00000686_Documation_M 600_L_Technical_Manual_Feb79 00000686 Documation M 600 L Technical Manual Feb79
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IOOOOD000000000009000DooeDooooonnnn~'
IZl4511"~"U""~MU~~aDnDMa.8.~
11 1 , 11111 11111 111111111111 •
2222222222222222222222333333333333333 1 1 1 1
44444""
5555
UF
11
© DOCUMATION. INCORPORATED. 1971
Contents of this ma'" may DOl be repr~
duced in wbole or ia pert witbollt written
permislion of Docl.lJUliae. Incorpor..ed.
00000686
ill-bee L
L~PtD PtE~DEPt
DDCla'MaTI(Q)~
."lNCORPO"RATED
·PQSi OFFICE BOX 1e40
Mel.SOURNe, Fl.b~IOA 32901
IMPORTANT NOTICE
THIS TECHNICAL MANUAL IS SUPPLIED
WITH DOCUMA TION MACHINE SERIAL
~NUMBER
THIS MANUAL SHOULD, REMAIN WITH THAT
-
. MACHINE.
MANUAL HISTORY AND REVISION INSTRUCTIONS
eQUIPMENT: ___
C_A_R_D_R_E_A_D_E_R
_____________________________
PUB. PART NO. _ _00_0_00_68_6_ __
MODEL: _____M
__
OO_O_L_________________________________
NOTE
THE USER SHOULD DISREGARD PAGE IDENTIFIERS,
LOCATED ON MARGINS OF PAGES, IN THIS DOCU·
MENT. THESE ALPHANUMERICS ARE FOR INTERNAL
USE ONLY.
MANUAL HISTORY
REV NO.
·REV TYPE
DATE ISSUED
REVISION DESCRIPTION
-
R
5n8
Rewrite to current configuration
1
I
9/78
Corrections
2
I
10178
Corrections
3
I
llnS
Correcti ons
4
R
2/79
Rewrite of IPB
I
'"
","
• I = INTERIM REVISION (LESS THAN 25% OF THE PAGES CHANGED)
F = FORMAL REVISION (25% OR MORE OF THE PAGES CHANGED)
R = REISSUE (A COMPLETE REWRITE OF THE PUBLICATION)
REVISION INSTRUCTIONS
DELETE AND ADD PAGES AS INDICATED IN THE FOLLOWING TABLE.
REV NO.
ADD
DELETE
12~10,
1
12-5, 12-6, 12-9, 12-10, 12-11, 12-12
12-5. 12-6. 12-9,
2
4-9,4-10
4-9,4-10
3
12-1, 12-2, 12-3, 12-4, 12-5, 12-6
12·1, 12-2, 12-3, 12-4, 12-5, 12·6
l
iii/iv
12-11, 12·12
TECHNICAL MANUAL CHANGE RECORD
The technical manual change record has been generated to reflect changes to the technical manual
due to the inclusion of options, addendums and changes to meet customer specification.
The change pages following this page are either a direct replacement for the standard pages of the
manual (reference page numbers), or are additional pages.
The pages are generated to meet the requirements of customer specification number 366.
Customer:
Computer Election Systems
Equipment:
Card Reader
Model: M 600 L
Voltage:
Options Included:
No. -
03 - No Logo
No.No.No. No.Addendums -
None
App Iicable Page Changes -
None
115V
. Frequency: 60 Hz
TABLE OF CONTENTS
SECTION 1
INTRODUCTION
Paragraph
1.1
1.2
1.3
General
Description
Specifications
. ...
. . .. . . . .
. . . . . . . . . . ..
·.
.......
..
. .. . ..
Page
1- 1
1- 1
1- 1
SECTION 2
UNPACKING AND INITIAL CHECKOUT
2.1
2.2
..
Unpacking
Initial Checkout
e •
e
e •
•
· ..
•
·.
•
2- 1
2- 1
e- • •
SECTION 3
OPERATION
3.1
3.2
3.3
3.4
3.5
..
· . .· ..
·.
·
. ..
........ · .
Loading the Input Hopper
e • e • e • e
Unloading the Output Stacker
Control and Indicator Description
Operating Procedures
•••••••
Operational Flow Chart
·. .. . ..
·. ... . .
e •
33333-
1
1
1
3
6
SECTION 4
THEORY OF OPERATION
4.1
4.2
4.3
4.4
..
. . . . . . .. .
....... · . ..··... .· ..· .·. . . . . . ·. . ··.. . . . .
·· .... ·. ·. . . ·. . ..
·.
Card Feeding Mechanism
••
Data Recovery
Detailed Functional Description
Power and Signal Distribution
SECTION 5
INTERFACE
..J
0
0
0
i
;0
-"
('of
a2
4- 1
4- 2
4- 4
4-10
5.1
5.2
5.3
5.4
5.5
.. . .. .. . · . .. · . · .
. . . .. ·.
...
.. . .. . ..
... .. ..· .. · . .
·.
General
Reader Timing
Signal Characteristics
C orurectors
Grounding
·. . . . . .
e e
55555-
1
1
4
5
5
SECTION 6
ADJUSTMENT PROCEDURES
6.1
6.2
. . .. . . . . ...........
General
Tension on the Main Drive Motor Belt
v
· ..... · ...
6- 1
6- 2
Paragraph
6.3
6.4
6.5
6.6
6.7
6. 8
6.9
6.10
6.11
6. 12
Pag~
........
Magnetic Pickup Adjustmen~ " ••••••••
Adjustm ent of Stack ?hoto cell ., ••••••
Stacker Roller Shaftrt model).
Power:
1650 VA (max) starting load for 3 sec
600 VA (max) running load
Height:
16-1/4 inches
41.2 em
Width:
23-1/16 inches
58.6 em
Depth:
18 inches
45.7 em
77 pounds
34.4 kg
SIZE:
WEIGHT:
OPERATING ENVIRONMENT:
Dry Bulb Temperature
Relative Humidity
Wet Bulb Temperature
Thermal Shoek
Altitude
STORAGE
50 to 1000 F.
30 to 90% non-condensing
80 F. maximum
150 F. per hour
.
1000 feet below to 6000 feet above sea level
0
E~-VmONl\-rENT:
Dry Bulb Temperature
Relative Humidity
Altitude
-25 to +135 0 F.
5 to 95% non-condensing
1000 feet below to 12,000 feet above sea level
1-3
CARD STOCK:
The card must meet American National Standards specification ANSI X3.11-1969,
Specification for General Purpose Paper Cards for Infonnation Processing.
PUNCH DATA:
Punch data must meet American'National Standards specification ANSI X3. 21-1967.
.....
Q)
I\,)
U'I
~
o
o
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r-
1-4
SECTION 2
UNPACKING AND INITIAL CHECKOUT
2. 1
UNPACKING
M-Series Card Readers are packed in a sturdy triple container, (Figure 2-1), with protective padding to prevent damage to the equipment during shipment. Inspect the outside of
the container and report any physical damage to the carrier immediately.
The pO,wer cord and technical manual are included in the container. After removing these
items, lift the card reader straight up and place on a fiat, sturdy surface. Inspect the
reader for any physical damage; report any damage to Documation Incorporated. With the
reader tilted in an upright position, remove the two red 8 x 32 Phillips screws in the bottom
plate. These screws secure the blower motor plate to prevent damage to the vibration isolators during shipment. If the reader is reshipped, these screws must be installed.
2.2
INITIAL CHECKOUT
Perform the following steps to test reader readiness:
a.
Ensure that input voltage and frequency are correct. Plug in the ac power cord.
b.
Operate the CIRCUIT BREAKER (rear connector panel) to ON.
c.
Operate the MODE switch (rear panel) to LOCA I..
d.
Operate the SHUTDOWN switch (rear panel) to AUTO.
e.
Operate the POWER pushbutton switch to energize the reader. The POWER indicator
will illuminate and, after a delay of approximately 3 seconds, the STOP and HOPPEH
CHECK indicator will illuminate.
f.
Depress and hold the LAlVIP TEST pushbutton switch (rear panel) and observe that all
front panel indicators illuminate. Release switch •
g.
Pull the hopper follower back and load approximately 3 inches of unpunched cards into
the hopper.
h.
Operate the RESET pushbutton switch. The RESET indicator will illuminate and the
STOP indicator will extinguish. The drive motor and vncuulu/blower should come on
and, after a delay of approximately 3 seconds, the cards should be picked and stacked.
The drive motor and vacuumiblower will then shut off and the STOP and HOPPER
CHECK indicators will illuminate.
i.
Operate the POWER pushbutton switch to rurn off the reader. All indicators will
extinguish.
....J
g
,...0
~
rn
("If
co
2-1
.1.
Thi~
Pull the stacker pi:.lte toward the front of the reader and remove the cards.
cOITlpletes the initial off-line test.
,l"
-,
8o
Figure 2-1. Unpacking
2-2
SECTION 3
OPERATION
3. 1
LOADu'iG THE INPUT HOPPER
To load the input hopper:
a.
Pull the hopper follower back and place the card deck in the hopper; the first card
to be read_must be at the front with the "9" edge down, column "l" to the left. Continue placing cards into the hopper until it is loosely filled (approximately 1000 cards).
CAUTION
DO NOT PACK THE HOPPER SO FULL
THAT RIFFLE ACTION IS INHIBITED
b.
The hopper may be loaded while cards are being read if the operator is careful to
maintain tens ion on the front of the deck while loading additional cards at the rear.
This may be done when the input hopper is one-half to one-third full. Use just enough
pressure to maintain the riffle action.
c.
To unload the input hopper, reverse the loading procedure. Normally all cards are
proces sed through the reader, but if it becomes necessary to unload the hopper, pull
the follower back and remove, the card deck. Exercise care in handling cards to
maintain proper deck order.
3.2
CNLOADING THE OUTPUT STACKER
To unload the output stacker:
a.
Pull the stacker follower back and remove the front.or rear portion of the card deck
from the stacker :lrea. Exercise care in handling cards to maintain proper deck
order.
b.
To unload the stacker during operation, pull the stacker follower back and remove
a portion of the deck, taking care to ease the stacker follower back to its normal
position.
3.3
CONTROL AND
I~ICATOR
DESCRIPTION
Reader controls and indicators, Figure 3-1, are located on the front control panel, the
rear of the card cage, and the rear subframe. Control and indicator descriptions are as
follows:
3-1
READ
CHECK
PICK
CHECK
BB
HOPPER
CHECK
STACK
CHECK
" -.. . . . . . . . . , . . - - - - - -.......t
1
1
-
I
I
0
LAMP TEST
c@)
c:::>
c:::>
c:::>
c:::>
c:::>
c:::>
I
0
SHUTDOWN
M A N e . ? AUTO
MUD~
~
REMOTE(
0/
,
COCOC
--"
0
0
"
~
J
1
L
J£
c=J
I
r1
,
I
D
I
.....,
00
w
~
00
~
0
o@:-
0
0
Figure 3-1. Controls,- Indicators, and Connectors
3-2
0
r-
3.3.J.
FRONT PANEL CONTROLS AND INDICATORS
Three pushbutton switch/indicators are located on the front control panel.
POWER
STOP
RESET
(white) .,
(red)
(green)
Four other status indicators are also located on the front control panel:
READ CHECK
PICK CHECK
3.3.2
STACK CHECK
HOPPER CHECK
REAR READER CONTROLS
Two mode switches and a LAMP TEST pushbutton switch are located on the card cage
rear panel. The two mode switches are:
SHUTDOWN Mode - lVIAN/AUTO
Operating MODE - REMOTE/LOCAL
A circuit breaker and power and signal connectors are located on the rear subframe panel.
3.4
OPERATING PROCEDURES
To operate the card reader, perform the following steps in order:
a.
Place the circuit breaker in the· ON position.
b.
Select the mode of operation, M.ANUAL or AUTO. When M.;\NUAL is selected, the
drive motor and vacuum/blowers. will run continuously when ac power is applied.
When AUTO is selected, all motors will turn off after the last card is read.
c.
The second mode switch is used to select either REMOTE or LOCAL operation.
\Vhen LOCAL is selected, card reader operation is controlled from the front
control panel. In normal operation the card reader
is connected to the appropriate
.
interface logic and the switches should be in the AUTO and REMOTE positions.
~
80
.-
~
~
-
(C
N
'XI
I'
d.
Select LOCAL and operate the POWER switch on the front panel to apply primary
power to the reader. The drive motor and vacuum/blowers will not come on at this
time if the input hopper is empty and AUTO shutdown mode has been selected.
e.
Depress and hold the LAMP TEST pushbutton switch and check that all front panel
indicators illuminate. Release switch.
3-3
Change 1
.-nIE flOWER
COIIO IS COIIINICTED
TOPIICPE"-'IIC£
TMI!"CL.OU
CIIICUIT _LUtaR
CALL._INTIIIIAIIICI
T~
--
.....
" . .T
MfTCM
Q)
...
N
Ol
~
0
0
0
,...
.IOIN
_1IA11OII
A27~
Figure 3-2 Operational Flow Chart (Sheet 1 of 2)
3-4
-Il1O
11IIOIC&~
"CIC_J04~
WITH COMTINUOUS "CIC
CHICIC ~TlllltAO.
UGHT ST..TIOII ..... LUM
_.---
CAU
T~
RP.,1I0.. MAI,~UNCT1ON CAUllNI
!ltAO OtIClC .1
MYQIIIO CAr_Un
TOR;CAU
Ofl_.
~
T~
Figure 3-2 Operational Flow Chart (Sheet 2 of 2)
3-5
f.
Load the input hopper and operate the RESET pushbutton switch indicator. The RESET
switch is used to clear any error conditions and establish the card reader "ready" condition. When the ready condition is established, the RESET indicator will illuminate
green. All motors will start and riffling action begins on the first half inch of cards.
g.
As the cards are being read, the PICK CHECK indicator will illuminate if a card has
failed to reach the read head after a -pick command has been received. Inspect the
cards in the input hopper for excessive leading edge damage, interlocked webs or
cards stapled together. If no apparent card damage is present, check for excessive
card warpage.
h.
The READ CHECK indicator will illuminate and the "stop" condition will be,established
when any of the following conditions are detected:
1.
2.
S.
4.
5.
Failure of leading or trailing edge dark check.
Failure of trailing edge light check.
Card slippage.
Failure of control logic.
Two cards picked.
i.
The STACK CHECK indicator will illuminate if the previous card read has not reached
the output stacker. Check the card track to make sure it is clear and check the output
stacker for incorrectly stacked cards.
j.
The HOPPER CHECK indicator will Uluminate when the input hopper is empty or when
the output stacker is full.
k.
The STOP Switch/indicator is used to terminate card reader operation at the end of a
read cycle. The STOP indicator will illuminate red when the "stop" condition is
established.
3.5
OPERATIONAL FLOW CHART
Figure 3 -2 is a flow chart of possible problems which may be encountered in operating the
reader. If trouble is experienced, refer to this check list before calling for maintenance
assistance.
.....
CD
W
A
~
o
o
o
r-
3-6
SECTION 4
THEORY OF OPERATION
4.1
CARD FEEDING MECHANISM
The card feeding mechanism, Figure 4-1, is designed around an air flow system that
uses air pressure to separate the cards and a vacuum to pick the cards. Pressurized air
riffles the first half inch of cards in the input hopper so that they stand apart, individually
"air cushioned" from the rest of the card deck and each other. This prevents the cards
from sticking together in case of static electricity, hole locking, or torn webs and elimInates frictional forces between the cards. The vacuum picker pulls the bottom card in
and holds it against the picker's rubber surface. When a pick command is received,
electronic circuitry drives a rotary solenoid coupled to the picker sector, causing -it to
rotate. As the solenoid rotates the sector, the card is accelerated into the pinch rollers,
which pull the card into the card track. As the card in the track clears the picker surface,
the next card in the hopper is drawn against the picker sector, ready for the next pick
command.
AT~ . PRESSURE
SEPARATES CARDS
AlR VACUUM IN P!ClC.
SECTOR HOlES PULLS CARDS
lit AGAINST SECTOR AftI)
CARD MOVES TOWARO PINCH
WHEN SECTOI TUMS
..J
3
~
;E
MOTOR
"
~
~
"';)47
Figure 4-1. Card Feeding Air Flow
4-1
4.2
DATA RECOVERY
The logic block diagram for the M Series Card Reader is shown in Figure 4-2.
Data recovery is accomplished by the functions of Reader Control, Data Detection and
Data Storage. Reader Control synchronizes the electronic scanning of the card with the
mechanical actions of the reader. This involves card picking, card movement through
the read station, data flow control and card stacking. Data Detection converts the light/
dark conditions of the read station into usable digital signals for Data Storage. Data
Storage provides the data synchronization, buffering and retainm ent required for data
transfer from the reader.
4.2. 1
READER CONTROL
Primary control timing is established by the 4. 8 MHz logic oscillator and the four-phase
generator. These are used to shift, store and control other logic operations. Card Dlovement speed is established by the hysteresis synchronous drive motor, belts and steel
drive rollers. Electronic tracking of card movement is accomplished by a timing disc
comprised of a ferrous notched wheel mounted to one of the steel drive roller shafts. A
magnetic reluctance pickup is used with the timing disc to provide the synchronization
signals to the reader electronics.
When Pick Command (PICK CMD) is received from the controlling device, card proee:::sing
will be started provided no alarm conditions exist. The Pick logic then produces a PICK
signal to the solenoid driver, a PC'L'K signal to the Control logic, and a Pick Command Heset (PeR) to the column counter. These actions iniUnlize the various control circuits
and energize the solenoid to pick a card from the input hopper. If a card does not reach
the read station, the PICK CHECK alarm is raised.
The read station and stacker utilize phototransistor sensors to read the punched hole
pattern and to monitor movement of the card. When a card is picked and moved into the
card track, the leading edge interrupts light to the read station. This produces nONE Dl'\ Hi<.
signal that is used by the Control logic to generate a Good Pick Reset (G PR) which
initializes the synchronization of card movement through the read station. The column
counter then counts columns via the Data Control and Sync logic as the card moves past
the read station, thus synchronizing the mechanical card movement with the electronic
circuits. The column counter generates a Dark Check (DARK CHECK) signal at Colunlns
o and 81, and a Light Check (LT CHECK) signal at Column 84. Figure 4-3 shows these
check pOSitions. These checks monitor performance of the read station and mechanical
card movement.
4.2.2
DATA DETECTION
As the card passes between the Light Emitting Diodes (LEDs) of the light station and the
phototransistors of the read station, the light and dark conditions are sensed and amplifh'd
by the read station phototransistors. The light (punched hole) and dark conditions are converted to electronic signals at the phototransistor emitters and used to drive the data
4-2
IV
IJ'I
~o
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r-
78125JM1OOOl
I~EADER
fUNCTIONAL AREAS
--~f
r-----------'r-----DATA OEHClION - - - - - - -
---------------READ[R CONTROL
--~r--------
DATA STORAGE
I
I
I
I
I
I
I
I
I
I
I
I
fA12~~· INVERHR1I
I
I
1
-.J
ONE DARK
,
12"
....---
""
0
S
IDVl
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~
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'--
r-
--.""
~E 1--.
~ Cl
Vl
tl~
~r.:
I~ATA
AMPliFIERS
AND
INVE.RHRS
-
YONE L1GItTl--
CONTROl
SWITCifES
1
I
ONE DARK
I
12 /.
1'-.0'
DATA
REGISTER
!~
f
l
q:ig
t->
TSTl
I
I
DATA
02i
CSOS
1
.......
I
DATA
CONTROL &
SytiC lOGIC
TIMING
STROBE
LOGIC
t
MAG
PICK UP
Figl.lre 4-2.
"T~(
ST~D
:
I
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u _
""6
..... t-
:a:: ....
ox:
u
+
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....
~
I
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PSH )
READY/STOll INDICATORS
1
,2/
~ I~
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READ\,-.
CONTROL
LOGIC.
ox: I~
f+--.PCR
t
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INDEX
HARKS-.
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-
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or::
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DATA ....
12"
ZS
u
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HOPPER CIlECI< •
HOTiON CIIECI< ..
ERROR ...
r:.... II
lell
6----0
III
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ERROlt INDICATOItS
ERROR
lOGIC
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ONE llGIiT
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HOPPER EMPTY
/STACI-l
SWITCH
DEPRETS~~SWlTCH
RESET ""5------------~,... ~
POR
+
r>-,
RESET ~5------------~i
I
is
RELEASE
~I
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_ _ _ _ _ _--Il,SOOl_ _ _ _ _'_ _----;
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Ul
ONE DARK ~---------------------'£~~f----~
.•
_
Q
...
GPR ~5----------------------~f~~i----~---4i~S~--------~--ANY CHECK
CONDITION j,..--------------~.s__;f-f-----...,Ali>------~
OR STOP
Figure 4-5. Block and Timing Diagram, Control Logic
4-6
a
a
I
co~ter.
POR OR'ed with RESET to form POR + RESET resets the Error logic. The
reader is now brought to the ready state by the operator depressing and releasing the
RESET pushbutton switch. Note that while the RESET switch is depressed, RESET is
routed to initialize the Pick logic and column counter t and RESET activates PaR + RESET
to the Error iogic. The Reset control "is designed to ignore all RESET switch signals
while a read cycle is· in progress. Signals PCI:K and 84CR or CR identify the beginning
and end of a read cycle.
\Vhen the RESET switch is released, READY is signalled to the controlling device by the
Ready/Stop logic provided HOPPER CHECK is not being presented by the Error logic.
(All other Error logic check signals will be reset by PaR and RESET.) Ready status is
indicated to the operator by the RESET switch/indicator illuminating (green). The controlling device can now begin a read cycle by transmitting PICK CMD to the reade r.
READY will be reset on receipt of any CHECK signal from the Error logic or if the STOP
switch is depressed by the operator and RESET INHIBIT is not present. The Ready/Stop
logic gates the STOP signal with RESET INHIBIT preventing READY from being reset
due to STOP during a card read cycle. RESET INHIBIT, generated by the Reset control,
is set by peLK and reset by 84eR or CR. The Stop condition is indicated by the STOP
switch/indicator illuminating (red).
.
The Good Pick Sync control is initialized by Pick Command Reset (PCR). During a card
read cycle, the Good Pick Syn~ control detects a ONE DARK and processes this signal
with clock signals 0C and 0D to produce Good Pick Reset (GPR). GPR is used to:
a.
Initialize the column counter.
b.
Begin the data synchronization process by the Data Control and Sync logic.
c.
Verify to the Pick logic that a pick cOlnmand has been successful.
The Blower control provides signals to control ac power to the blo~er motors. The
blower motors automatically shut down when a Hopper Empty Check (HECK) signal exists
and switch Sl is in the AUTO position. After the hopper empty condition is corrected by
reloading the input hopper, operating the RESET switch will cause the Blower control
logic to activate the !:i-second PORe The 3-second POR provides sufficient time for the
blower to reach operating speed before reader operation can begin. When the SHUTDOWN
switch is in the :MA~~AL position, the blower remains on as long as reader power is
applied.
1.3. 1.3
Pick Control
After the reader is brought to a ready condition, a PICK C:vrD from the controlling device
can be accepted by the Pick control (Figure 4-6).
The Pick Logic will then:
a.
Generate PCLK.
b.
Initiate a PICK pulse that drives the picker solenoid.
4-7
c.
Control the PICK pulse length.
d.
Wait out the interval while the card leading edge is accelerated to the read station
(14 to 27 ros).
e.
If the leading edge has not arrived in 50 ms t generate another pick pulse.
f.
Repeat the pick attempt six times and if the leading edge has not appeared, generate
a pick fail alarm (PS'ET).
The Pick control generates PCLK (Figure 4-6) until GPR is received or READY goes
FALSE due to the pick fail signal, PSET. PC'LK gated from Pick control is divided by
two decade MSI counters to a frequency of 1.2 kHz. The 1. 2 kHz is then counted by the
Pick Control counter. At the count of one the Pick Control counter sets the Pick flip-
lOCAl
-
S1
FROM CONTROLlING
OEVICE
FRCI'I {
CONTROL
LOGIC
----,-
0
REMOTE
COUNTER --
FROM COLUMN
FROM 4. 8MHZ OSC {
AND FOUR PHASE
GENERATOR
FROM CONTROL
--
--
LOGIC
~
·
PICK CHO
GPR
POR
RESET
84CR +CR
·
·
~
Ci
i
F
.
PICK
CONTROL
COUNTER
~
+,;
~
to
~~
"~
1
flO
0C
READY
I
1
- I
I
L.OGIC
--
TO CONTROlL.ING
DEVICE
...........
peR
~
IX:
--
TO CONTROL
LOGIC
~-
pyr:1\
,~
FF
P1CK
ORIVER
SOLENOID
~ TO
DRIVER
+
OR
~'
--I
TO eotmOL
I-
.
POR
&PR
PICK CMO
BSY (BUSY)
PCl"
':2.£0_ KHZ)
-.1
'1+ 10\+ 10
PICK
CONTROL
RESET
READY
--
Pm"
~
~
~
-.
r,~
. .' "
PICK
ATTEJIflT
COUNTER
I
'i
I
TO ERROR
~ LOGIC
I
'--1:,.!.r--_.:.l.:,:US:..,;M,;.:,I.:.:.,:."_ _ _ _ _".). ,.~_ _~I""","",,"""""","~",",,,"~'
~Aiiiiiki
I
I
'i):
PCIT _ _.......,'~
·
I
C1
I
~-------~~~-------i
I I
I
I
')~
I
~R----~1~,~I~I!~-----4~>--'~---~~~---~---~
GPR----'~h~-------~I-----~~----~----~~~------~----~
1--7.5 or 4.2 MS--I
I
I DEPENDING UPON I
'b
BSy----I,).!I~...:...-'_MOOE_L_S_PE_E_D___' _ _~~_~
!
~~~CR---~'~t~---------------~)----~----~~~------~!----~
.-..---PICK INTERYAI..-----+-CARD IN READ STATlOH---i
,
Figure 4-6. Block and Timing Diagram, Pick Logic
4-8
flop. This begins the PICK pulse interval. The Pick Control counter continues to count
the 1.2 kHz until 10 is decoded, generating a reset to the Pick flip-flop and ending the
PICK pulse. PCR, generated by the Pick flip-flop is used by the Control logic to initialize
the Good Pick Sync control. The Pick Control counter continues to count the 1.2 kHz
while awaiting G PRe If no GPR is received by the count of 63, the Pick Control counter
resets to all zeros and begins its count cycle again generating another PICK and PCR.
PICK and PCR pulses will continue to be generated until G PR is received or the Pick
Attempt counter counts six PCRs and the Pick Control counter- reaches count 56. When
six PCRs have been counted and count 56 is reached PSET is generated. PSET will cause
READY to go FALSE. terminating PCLK.
Upon receipt of a G PR, the Pick control signals a Busy (BSY) to the controlling device to
indicate a card has entered the read station. BSY remains true until 84CR indicates
the card has left the read station and another PICK Cl\ID will be accepted.
The position of the MODE switch determines the source of the PICK Cl\ID. In LOCAL,
the PICK Cl\ID signal is held TRUE so that whenever the reader is READY, a PICK CMD
is generated internally each time 84CR is reached. When in REMOTE, only a PICK
CMD from the controlling device can initiate a read cycle.
4.3.1.4
Column Counter
The Column Counter (Figure 4-7) provides a record keeping control function by counting
and decoding columns as the card passes through the Read Station. Following G PR,
ST0C followed by a ST0D (Refer to timing diagram of Figure 4-7) will be generated for
each column by the Data Control and Sync logic. ST0C is used to drive the Column Counter
and ST0D to sample the Count Gating. The Column Counter generates OCR (0 Column
reset), lCR, 81CR and 84CR. These signals are used by the Control logic, Data
Control and Sync logic, Pick logic and Error logic as follows:
COUNT
USED BY
OCR
E.rror logic for a Dark Check
lCR
Data Control and Sync logic to set the Index Mark
Control Flip Flop (IMFF) •
81CR
Data Control and Sync logic to reset the Il\1FF.
Error logic for a Dark check.
Error logic for a Stack check.
84CR
Control Logic to reset the Reset Inhibit Flip Flop.
Pick logic to enable the Pick control for the next PICK
CMD and reset BUSY.
Error logic for a Light check.
Data Control and Sync logic to reset the Sync Control
logic.
...J
0
0
(0
:2
<:5
I'
('II
co
I'
4-9
-.. ST0C
FROM DATA {
CONTROL &
SYNC LOGIC
---
-
COLUMN
COUNTER &
COUNT GATING
ST00
~
FROM~CONTROL
~
-
~
LOGIC
POR
GPR
....
4~
-... RESET
....
OR
~
ex:
u
ex:
u
ex:
u
--
0
co
ex:
u
ex:
u
OR
DCKS •
..
...
.~
c:t
co
.....
...
......
.....
...
COLUMNS
ST0C
~
STf)D
S
0
1
CD I
80
2
81
82
83
TO DATA CONTROL &
SYNC LOGIC, PICK LOGIC,
ERROR LOGIC, AND
CONTROL LOGIC
84 203 204 205 206 207
I 55 I I I I I Ss I I I
S
~
5
S~
)~
1 CR S
SS
SS
81 CR S
SS
55
'5
I
~~ I
OCR 5
84 CR S
TO ERROR LOGIC
§
s
S5
SS
5JS
Figure 4-7. Block and Timing Diagram, Column Counter
4-10
I
I
-:3""
0
~
C)
I
CR S
....,
0)
....,
5
r-
ONE DARK
84 CR
FROM ONE DARK
FROM COLUMN
COUNTER
Vee
ERROR
"''''''lI'tU""..J
I
DARK CHECK
ONE LIGHT
FROM ONE LI GHT
FROM COLUMN
COUNTER
TO CONTROlL! NG
DEVICE
''''.l"II1"""\
\ \JTO LI.." J
PICK CHECK
T'OGiC"-
STACK CHECK
FROM PICK lOGIC
ffiT
FROM STACK
PHOTOTRANSISTOR
STACK
TO CONTROlL! riG
DEVICE
OCR
FROM COLUMN {
COUNTER
EMPTY SWITCH {
LOGIC
FROM STACKER
FULL SWITCH
Vee
STACK CHECK
INDICATOR
HECK
81 CR
HOPPER EMPTY
FROM HOPPER
FROM CONTROL
,n rn."""
POR
HOPPER CHECK INDICATOR
Vee
RESET
+
TO CONTROL
LOGIC
TO CONTROlL! NG
DEVICE
RESET INHIB IT
STACKER FULL
PICKC~NO
RECEIVED --------~--~;~s----------------------------------------~~
I
I
RESET INHIBIT
I
~~J----------------------~
' I
I
I
OCR, 81 CRt
& S4Uf
t
I
I
--------~,----~;~s------~I--------------------------~I~!~----~
IOCR
81 CR I I 84 CR
I
51
I
I
I
I
r--=300 u S-;
I
COL COL
;
CHECK CONDITIONS
5S7n~~,
PICK CHECK
DARK CHECK
HOPPER E"1PT"f
SWTrCH CLOSURE
LJARK CHECK,
STACK CHECK
Figure 4-8. Block and Timing Diagram, Error Logic
4-11
LIGHT CHECK,
STACKER FULL
The Column Counter counts until 84CR is generated. The Column Counter is reset to
zero by each GPR and RESET or PORe
4.3.1.5
Error Logic
The Error Logic of Figure 4-8 contains the error/alarm detection circuits and the Ready
gate.
After a PICK Cl\ID ~is accepted by the re'ader, the Error Logic is sampled at intervals of
card processing for error and reader conditions. The first test is a Pick Check. If a
PSET is signalled to Pick Check logic, a Motion Check (MOCK) signal will be sent to the
controllinK device. PSET will occur approximately 300 ms after PICK CMD was received
and READY will be reset. Pick Check status is signalled to the operator by the PICK
CHECK indicator. If a Pick Check (PCK) signal does not occur, a read cycle is in process
and OCR will sample the Dark Check circuits. If ONE LIGHT is present during the check,
indicating a failed LED, phototransistor, or a torn card leading edge, an ERROR signal
will be sent to the controlling device and READY dropped. The READ CHECK indicator
will illuminate.
The Hopper Empty circuit senses closure of the hopper empty microswitch. This switch
is located under the riffle cap and senses when the last card has left the hopper. The
hopper empty switch will close between columns 18 and 22 of the last card. A Hopper
Check (HCK) signal is sent to the coittrolling device and READY is reset. The HOPPER
CHECK indicator will illuminate.
OCR will be followed by 81CR which samples the Stack Check circuits and again samples
the Dark Check circuits. The stack check sensor is located at the exit of the card track
and detects that the taU of a 'card has cleared the card track and the card is therefore
fully seated in the output stacker. The Stack Check logic is designed to test the stack
sensor dark-to-light transition (i. e., track clear) between the time an 8ICR signal occurs
(card tail leaving the read station) and the OCR signal of the next card. If this transition
has not taken place, a STACK CHECK signal is generated. This signal generates a MOCK
signal to the controlling device and resets the READY line. The STACK CHECK indicator
will illuminate.
84CR occurs next in the read cycle and samples the Light Check circuitry. A ONE DARK
present at 84CR indicates a failed LED, phototransistor, excessive card slip in the read
track or that two cards were transported thru tl;te card track. An ERROR signal is sent
to the controlling device and the READY line is reset. The READ CHECK indicator
will illuminate.
Since 84CR is also used to reset RESET INHIBIT, the Stacker Full circuit will be checked
for a closure of the Stacker Full switch. If the switch is closed, the Stacker Full circuitry
will send HCK to the controlling device and reset READY. The HOPPER CHECK indicator
will illuminate.
All error conditions are cleared by operation of the RESET switch.
4-12
4.3.2
DAT A DETECTION
The following are detailed descriptions of blocks sho\\TI1 under data detection in Figure 4-2,
Block Diagram, M Series Card Reader.
4.3.2.1
Data Amplifiers and Inverters
The light station contains one infrared Light Emitting Diode (LED) and the read station one
phototran'sistor for each of the 12 punched card rows. Light emitted by an LED is allowed
to pass to its corresponding phototransistor when a punched hole in the tab card is present.
Figure 4-9 presents a block diagram and typical waveform for the data amplifiers and
inverters. Light reaching a phototranststor is amplified by the phototranststor and converted into an electrical signal at its emitter. A typical emitter waveform is shown as
ROW 12 (A). As the leading edge of the card passes over the phototransistor lens, the
received light is reduced, thereby causing a reduction in the phototransistor output voltage.
The emitter is coupled across pull-down resistor R to the input of a high impedance TTL
inverter. When the emitter voltage passes through the switching threshold of the inverter
(nominally 1.4 volts) the inverter changes state. The output of the high impedance inverter
is amplified by the inverter and then used to drive the one light and one dark logic. Each
time the threshold of the high impedance inverter is crossed the device switches states,
producing waveform ROW 12 (B) at the output of the inverter.
4.3.2.2
One Dark and One Light
In order to provide the dark check at OCR and SICR and the light check at 84CR, the outputs
of the data amplifiers and inverters are OR' ed in a one light NOR gate and inverted and
ORted in a one dark NOR gate. These NOR gates each consist of 12 open-collector TTL
inverters in a wired OR configuration. Figure 4-10 is a block and timing diagram for the
one dark and one light logic.
When OCR occurs, ONE LIGHT should be low indicating all phototransistors are dark.
The same is true for SICR. At 84CR, ONE DARK should be low, indicating that light is
being received by all phototransistors. If the foregoing conditions are not met, a READ
CHECK will result and READY will be reset.
~-.
4.3.3
DATA STORAGE
0-
o
o
i'
:.
The following are detailed descriptions of blocks shown under data storage in Figure
Block Diagram, M Series Card Reader.
~-2,
('II
ca-
l'
4.3.3.1
Data Control and Sync LogiC
The data control and sync logic provides the synchronization and control necessary for
data storage. Reference to Figure 4-11 will aid in understanding the follOwing description.
Following a GPR, the data control and sync logic must measure, by means of logic
counters, two distances to determine where the Column Storage Data Strobe (CSDS) should
4-13
__- - - - - DATA AMPLI FI E R S - - - - - - "
ROW 12 AMPLIFIER
ROW 12@
I
I:
ROW 11
AMP
ROW 11
ROW 0
ROW 0
AMP
..
..
.:
TO ONE DARK
& ONE LIGHT
LOGIC
I
ROW 1 THRU 8 AMPLIFIERS
I
I
I
I
I
ROW Y
ROW 9
AMP
....
(~j
TYPICAL
PUNCHED
I HOLE
CARD TRAILIN(; Illcr
\
:~
--- :--------;7f-----
ROW 12@
TYPICAL
I
I
ROW 12@
I
I
I
s
55
5S
.1
I
'";oure 4-9. Block and Timing Diagram, Data Amplifiers and Inverters
4-14
r.1
'"
~.
~
IJ
o
o
r-
,in. The first measurement is the Preset Distance. Preset is the distance from the
card's leading edge (GPR) to the point in column 0' where the CSDS should begin. This
distance is O. 063 inch. The Preset Dista...'1ce is predeterm tHen :lnG a Preset count is
calculated using the Preset distance, card velocity and the input ('11)('k rate to the Preset
counter. The sole purpose of the Preset Distance is to establish an end point for measuring Offset.
As the Preset Distance is being counted, the Offset Distance is measured. The Offset is
the distance' from the trailing edge of the last timing disc tooth to pass the magnetic pick-
up to the point where CSDS should begin~ Since there are precisely two timing disc teeth
for each column on the card, the reader logic can now count the trailing edges of the next
two teeth, add the Offset count, and again be positioned to provide CSDS.
Because th~ timing disc teeth rotate past the magnetic pickup asynchronously with respect
to the arrival of the leading edge of a card at the read station,. the Offset Distance is a
variable and consequently measured and stored for each card read
f
The synchronization process is initialized when a GPR is received by the Sync Control
logic and PreSet counter. GPR presets the predetermined count in the Preset counter and
causes the:Sync Contr~llogic to generate PReLK (Figure 4-11). A zero crossing ampli-
r----+
ONE DARK
(NOR GATE)
ONE OARK
~
.... ~lZ
FROM DATA
N'IPlIFtERS
--
t
INVERTERS
J
,
12/
I2L
"
....
ONE LIGJ!r
(NOR GATE)
I
-
TO lRROR LOGIC &
CONTROL
LOG tC
DATA
---
ro
ONE. LIGHT
--
TO ERROR LOGf:C
DATA
R~GIS1ER
1
t---CARO DATA FtElO----l I
I~
'I
---orI -~""""""""""""""'f(-~""""'"""*"",'"""""'~""'~""'~""-rl- - -
K
GPR
\
ONE DARK
: 0 CR
~
3ICR :
~~4%Wfiir:] :
I
ONE
/1
I
I
LEADING EDGE
Figure 4-10. Block and Timing Diagram, One Dark
and One Light
4-15
:1\
I
84CR
~:-~
llGl+T~:""i___~rJl~=:=:::;.~_::;:::::=:~,. . .-:-:__~
CORNER NOTCH
I
IS
---
fier .(AMP) converts the sine wave produced by the magnetic pickup to a TTL compatible
squarewave, TSTI. Following GPR, the first negative transition of TSTI (corresponds to
tooth trailing edge) generates TST2 that causes the Sync Control logic to generate Offset
Clock (OSCLK). OSCLK at 120 kHz drives the eight-stage Offset Storage counter, counting
it upward until the Preset counter reaches all ones. ZERO is now generated by the Preset
counter, terminating both PRCLK and OSCLK. The Offset has now been measured electronically and stored in the Offset Storage counter.
The Sync control counts two negative transitions of TSTI and generates Offset Up-Clock
(OSUCLK). OSUCLK is used to count the Offset counter up until the Comparator detects
an equal value between the Offset Storage counter and Offset counter. CSDS for Column 0
is now generated by the Strobe logic. The Strobe logic ST£1B resets the Sync Control
logic, ST0C resets the Data Register and ST0C and ST£1D are used to drive the Column
Counter. The Sync Control logic repeats this cycle for every other TSTI causing the
Strobe logic to generate CSDS, ST£1B, ST0C and ST0D each time.
ICR from the Column Counter sets the Index Mark Control Flip Flop (IMFF) in the Strobe
logic. The Strobe logic generates 6 jJ.S Index Marks (IM) for each Column. The 1M
indicates to the controlling device the begtnning of the guaranteed data period. When 81CR
is received by the StroDe lOgic, the 1MFF resets preventing any further index marks from
being sent to the controlling device. The Data Control and Sync logic will continue to
generate CSDS signals until 84CR (or CR) resets the Sync Control logic.
4.3.3.2
Data Registers
Data detected by the Data Amplifiers and Inverters is routed through the One Dark and One
Light circuitry to the Data Register for transfer to the controlling device (Figure 4-12).
The 12-bit Data Register is reset each time ST0C is generated by the Data Control and
Sync logic. The 1 jJ.S ST0C is followed in approximately 4 jJ.S by CSDS. CSDS is synchronized
with card movement by the Data Control and Sync logic so that it will occur in the center
of a punch data column. Any ROW input to the Data Register that is low during CSDS will
cause a TTl" to be stored for the row. When CSDS goes low, a period of guaranteed data
occurs. This period lasts until CSDS again goes true.
The data drivers provide the necessary buffering between the Data Register and the controlling device.
-..J
CD
p..J
0'1
~o
o
o
I"""
4-16
fROH{.COLUMN
.-•
COUNTER
OSCILLATOR AND
fOOR PIiASE GEN.
HAGNHIC
PIU UP
-.
(jffSH
,'----
fROM 4 .8HHI {
lCR
81eR
84(R
CLOCK ..
OS(uC""
(l
0C
.~
"""
C~
TIMING
STROBE
GEN.
~,.
~
,"
TST2
SYNC
~
CONTROl
lOGIC
_.....
ST~B
OffSET
STORAGE
COUNTER
)"1
COHPARAfOR
OSR
t
,, I
"
~~
TSH:
r--+
-,---
FROH{
CONTROL
lOGIC
~PR
RESET
....
PRESET
COUHTER
-...
.I
ZERO
OSUCLK ...
....
HARKS) •
I
4~
V
1M (INDEX
~,
CSOS
SHlO
OfFSET
COUNTER
STtaC
t
GPR
..
•
-
TO ERROR
lOGIC
TO CONTROLl lUG
DEVICE
TO DATA
REGISTER'
TO COLUMN
COUNTER
TO COLUMN
COUNTER & OA TA
REGIST£R
o
01
CARD COlUHNS
•
STROBE
'lOGIC
PRCl.K
I
IHff
PRESET
DISTANCE
OSUCllC sST08t }sT0
CSOS
r--,
i--
I
COL
IMS
}-
1 eM
~
I
01
l
I
I
I
GPR
Figure 4-11. Block and Timing Diagram, Data Control and Sync Logic Drivers
<:
CARD HOTlDH
=
FROM ONE DARK &
ONE LIGHT LOGIC
---------
ROW 12 ...
ROW 11 Ii...
- . ROW 0 ...
ROW 1
ROW 2 ....
...
ROW 3 ...
P"
----....
---------.
-.
.......
lI"
-........
~-..
...
.......
~
R'5W4
....
ROW
ROW
ROW
ROW
ROW
.....
~
5
6
7
8
9
D 12
D 11
o0
-~
~
DATA
REGISTER
(12 BIT
STORAGE)
-.,.
...
-......
...
.......
....
....
-....
.......
.......
....
....
.......
.......
........
.t~
CSDS
_(DATA ENABLE)
..- ST0C (DATA RESET)
~~
DATA
DRIVERS
o1
D2
D3
D4
D5
D6
D7
D8
D9
-------------....-----....----...
-~
TO CONTROLLING
DEVICE
--...
[I
FROM DATA
CONTROL ~
----
ST~C ~~------~~~----~----------~--~5
CSDSS~----...-.I,
-...I
CD
~
5
ROW N S
N
(j1
~
->
0
0
0
r-
ON $"-----...."
---;
I
Figure 4-12. Block and Timing Diagram, Data Register and Data Drivers
4-18
SECTION 5
INTERFACE
5.1
GENERAL
This section covers the interface between the M -Series punched card reader and the
external equipment which controls the reader operation and into which the reader
transfers data..
READER TIl\fiNG
5. 2
Two types of card reader signals are available to an external system through the Input/Output connector: signals which control or report the status of card proc~ssing. and the data
signals and associated timing marks. Refer to the timing diagram (Figure 5-1).
5.2.1
PICK CONTROL
The Pick Command (pICK CrdD) signal initiates the card read cycle, and depending upon its
duration, the card reader will either run contib.uously or operate in a card-at-a-time mode.
This signal can be presented to the reader at any time, but the reader will only accept it
when the READY line is ·TRUE. The READY signal indicates that the card reader is
cleared of errors and Is ready to receive a PICK CMD from the external program control.
The green RESET indicator on the front control panel provides a visual indication of the
READY line status.
In order for the READY signal to be TRUE:
..J
§
i
~
N
co
t-oo
a.
Power must be appUed and the 3-second runup completed.
b.
The input hopper muSt be loaded.
c.
The RESET pushbutton switch must be operated.
If these conditions are satisfied, and the unit is in the REMOTE mode of operation, the controller can initiate the required sequence to enable the command lines. The presence of a
PICK CMD will generate the PICK pulse to the picker solenoid. The first card is intro.duced into the card track, and after a delay (At Figure 5-1), the leading edge arrives at the
read station. The Busy (BUSY) signal goes TRUE as soon as the leading edge of the card
enters the read station.
To initiate the card pick cycle, PICK CMD must be present for at least 1 microsecond Q.,Ls)
concurrently with READY. After the pick cycle is initiated, the PICK Cl\1D line is ignored
until BUSY goes FALSE, indicating the end of the card read cycle. In card-at-a-time operation, it is suggested that PICK CMD be held TRUE until receipt of the column 1 index
5-1
I--- TI"E
v ••UAIL£
PIC" CO .... A.. O
__~~ril
PIC'" (SOLENOIOl
n
u
r'·_··JTI
I
I
~~~-I-~-S-EC----------~ ~---------
r··-r-··~
IUS'"
------+-1~I
14--J
I
OAIA LI"E S
L .t~"TI
orr
INDEX M"ltIitS
~----------------------------~
BUSY
DATA LINES
ml
~----------~----------------------------------------~
t fiiItiibii~ C.LU.::~•• ia
I· c ----1
OAT .. COLU". Z
m.
II--I- - - - B
~
I-- ao u --111
J
IEGIN CAitO
"EAO CYCLE
U'OEX M"II"S
"'~""""""'P'!
GUARANTEEO
0:..
.~
Ii
."
SHADED AitEA "Of GUAitANTEED
1
---1 t--
L.
. "'.
2JI SEC
____________~n~------------------~n~---------
-1 ~6~SEC
.1
0
____~n~____~
PICK
---i r---
(SOLENOIDI
luSY
I
~
SEC
-------------------------------~I
~-
OATA COLU .... aD
DaTA LI .. ES
INDEX M.. II.S
-.U"."NTEEO
1
. ·.....________________+-___________
_
t
I
-.Jl
!=.==~~-E-------I~I------END CAIIO "£"0 CYCLf.
I.j
11'
.!2!!..:..
W"VEP'O""S IIOT
SHOWN TO SC"~,
MODEL.
A
(MIN)
M300
24
2600
435
M600
24
2600
4:1:)
M1000
15
1860
240
M SEC
.-SEC
~EC
B
C
Figure 5-1. Interface Timing Diagram
5-2
o
E
PICK
CYCLE
~
a
a
o
r
1910
I ...sEC
......SE"C
tl:-GO
,IlSF.C
mark. In the continuous-run mode, PICK CMD may be left in the TRUE state and a new
PICK signal will be automatically generated within 1 J,AS of BUSY going FALSE.
Should the picker fall to engage the card, the Pick Control logic will wait 50 milliseconds
(ms) and automatically try againc It will continue to generate a PICK pulse eve.ry 50 ms
until six attempts have been made. After six unsuccessful attempts (300 ms), a Pick Check
(PCK) signal is generated, inhibiting the READY line.
5.2.2
DATA READOUT
The card read cycle starts with the recognition that the card leading edge has entered the
read station. At this time the BUSY line goes TRUE. Eighty equally spaced Index Marks
of 6.0 Il s duration are generated while the BUSY signal is present. The time spacing
of the Index Marks and the BUSY signal is shown by intervals B, D and E (Figure 5-1).
Data signals may appear on the data output lines before the occurrence of the associated
Index Mark. Since torn webs are sometimes encountered which could partially obscure the
hole, Documation card readers feature a wide data acceptance interval to provide greate·r
tolerance to this damage. During this interval, any signal from the read station sensors
indicates a hoie, and therefore is recognized as a valid data bit and stored in the Character
Buffer. Since the contents of the Character Buffer are subject to change throughout this
interval, the data are not guaranteed until the end of the acceptance interval. This period
is terminated 2 I.L s prior to the Index Mark.
By the time the Index Mark is generated, the data will have been read and stored, and the
data lines will be settled. Data levels are guaranteed to remain on the output lines available for transfer to the external equipment for interval C.
5.2.3
STATUS AND ALARM SIGNALS
Status signals available to the external system are Hopper Check, Busy, Error, Motion
Check and Ready. These signals are available through the Input/Output connector, J2.
5.2.3.1
Hopper Check
The Hopper Check (HCK) signal remains FALSE during normal card reader operation, but
goes TRUE if either the input hopper is empty or the output stacker is full. If the input
hopper is empty and the SHUTDOWN switch is in AUTO, the motors are also automatically
switched off; when the input is reloaded and the RESET switch operated, the motors will be
automatically energized.
When the last card leaves the input hopper, the switch which senses the empty condition
immediately signals HCK and inhibits the READY signals. This occurs at the Blst data column. The reader continues the read cycle; however, when the BUSY line next goes FALSE
the reader is stopped. In the case of a full output stacker, HCK only appears at the end of
the read cycle during which it occurred.
5-3
5.2.3.2
The BUSY signal is TRUE during the card read cycle but goes FALSE at the end of the card
read cycle and remains FALSE until the next card is picked and it reaches the read station
(approximately 24 milliseconds).
5.2.3.3
Error
The Error (ERROR) signal is produced by failure of a light check or dark check. A card
that has a tear at the leading or trailing edge will cause a dark check. A read station
emitter/sensor failure while reading a card, will cause a light check. Either type of
malfunction will cause the ERROR line to go TRUE and the READ CHECK indicator to
illuminate.
_5.2.3.4
Motion Check
The Motion Check (MOCK) signal is a composite of the Pick Check (PCK) and Stack Check
(SCK) signals. Either condition requires operator intervention and both signals are furn~shed to the interface on a single status line. The condition is indicated on the front panel
as a PICK CHECK or a STACK- CHECK. MOCK will occur-withi.n300 ms of the initiation of
an unsuccessful pick attempt or in time to inhibit the picking of the second card after the
stacker sensor detects that a card has not completely cleared the card track.
5.2.3.5
Ready
The READY signal is true if the following conditions are met:
Condition
Indication
1.
Reader power is on.
POWER indicator illuminated.
2.
Input hopper loaded, output
stacker not full.
HOPPER CHECK indicator extinguished.
3.
RESET pushbutton switch has
been depressed and released.
RESET indicator illuminated (green).
5.3
SIGNAL CHARACTERISTICS
The standard interface is applied as the output of TTL type 7416 or 7417. Circuit characteristics are shown in Figure 5-2.
Change 2
5-4
Vee
OutPUt Orive
TTL Type 74160r 7417
Iload = -0.4 mA @ 2.4V min (with A==5.6k)
'sink = 18 mA@O.4V max
-
..lVet:.
330 ohms
Input Impedance
(PICK COMMANO.
10TL
load
.01 ufd
Figure 5-2. Circuit Characteristics
5.4
CONNECTORS
5.4.1
INPUT/OUTPUT CONNECTOR
The 38-pin output connector provides access for all control, data and status/alarm lines.
The output connector Is Elco Part No. 00-8016-038-000-707 and the mating connector is
Elco Part No. 00-8016-038-217:-704 with solder-type pins (No. 60-8017-0513). This mating
connector assembly Is available from Documation Incorporated and is shipped unassembled
as a kit (P/N 10139401).
5.4.2
POWER CONNECTOR
The power connector Is Hubbell Part No. 7486 (115V), Hubbell Part No. 7595 (115V, UL) or
CorCom Part No. 6EFI (230V). The appropriate mating connector is supplied on the
accessory power cord furnished with the equipment.
5.5
GROUNDING
Grounding in M-Series card readers maintains ac power and Signal ground separate.
Signal ground is the logic power return 0lcc return) and is transformer isolated from the
ac power distribution system. The chassis is protected by connection to the safety wire
(green) in the ac power cord.
5-5
It is recommended that twisted pair cable be used to connect the M-Series card reader
to external equipment. The signal returns should be terminated as close as possible to
the signal receivers.. It should be noted that pin EE (Index Mark Return) is designated as
SIGNAL GROUND on the pin assignment chart. If twisted pair interconnection is not used,
it is recommended that pin EE be connected to the external equipment signal return.
The standard M-Series pin assignment configuration is given in the following Table 5-1.
Table
PIN
A
B
C
0
E
F
H
J
K
L
M
N
p'
R
S
T
U
V
W
SIGNAL
012
011
DO
01
012 (RTN)
011 (RTN)
DO (RTN)
01
02
03
04
05
02
03
04
05
06
07
06
s..1.
Signal Connector Pin List
DESCRIPTION
Row
Row
Row
Row
PIN
X
12 Data
11 Data
0 Data
1 Data
Z
AA
CC
DO
EE
FF
Data
Data
Data
Data
HH
JJ
KK
(RTN)
(RTN)
(RTN)
(RTN)
LL
MM
NN
pp
Row 6 Data
Row 7 Data
RR
SS
(RTN)
TT
1M (RTN)/GRD
ROY(RTN)
ERROR
HCK
MOCK
PC
BSY
Error (RTN)
HCK (RTN) .
MOCK (RTN)
PC (RTN)
BSY (RTN)
NOTE
For Non-Standard Units, see Wiring Diagram, Figure 10-3.
Table 5-2. Power Connector Wiring
CIRCUIT
WIRE COLOR
Safety Ground
Neutral
Line (115 or 230 Vac)
Change 4
Green
White
Black
5-6
Row 8 Data
Row 9 Data
Index Mark
Ready
I'M
ROY
08 (RTN)
09 (RTN)
8B
Row 2
Row 3
Row 4
Row 5
DeSCR IPTION
07 (RTN)
08
09
~Y
(RTN)
SIGNAL
Signal Ground
~
Error
Hopper Check
Motion Check
Pick Command
Busy
SECTION 6
ADJUSTMENT PROCEDURES
6.1
GENERAL
Adjustment procedures required to maintain proper reader operation are listed in this
sec~on. These adjustments should be checked when minor malfunctions occur and before
major repair is attempted. They must be performed after any related major repair or
replacement.
To perform adjustments described in this section,' it will be necessary to remove the
front. top and rear panels.
a.
Remove six screws which hold front panel and remove panel, Figure 6-1.
b.
Remove four screws which hold top cover and remove cover.
c.
Remove six screws which hold rear panel, Figure 6-2.
d.
Move rear panel out slightly and disconnect fan, then remove panel.
TOP COVER SCREWS
RIFFLE CAP
FRONT PANEL
SCREWS
POOl
Figure 6-1. Front Panel and Top Cover Removal
6-1
REAR PANEL SCREWS
REAR PANEL SCREWS
Figure 6-2. Rear Panel Removal
6.2
TENSION ON THE MAIN DRIVE MOTOR BELT
The drive motor belt tension is adjusted to ensure constant card speed and tinling.
a.
LOOSEN four motor mounting plate screws, Figure 6-3.
CAUTION
THE DRIVE MOTOR BELT TENSION IS CRITICAL. TOO
MUCH TENSION MAY CAUSE EXCESSIVE WEAR OF DRIVE
ROLLER BEARING. IT MAY ALSO CAUSE DEFLECTION
OF DRIVE ROLLER BEARING SHAFT RESULTING IN READ
CHECKS. TOO LITTLE TENSION MAY CAUSE BELT TO
JUMP A COG OR CREATE A NON-CONSTANT TRACK
SPEED RESULTING IN LOSS OF TIMING, INCORRECT DATA,
t:)R READ CHECKS.
6-2
Move motor mounting plate back and forth to be sure it slides freely. Attach spring
b.
scale to motor so that pulling on spring scale from rear of. card reader and in line with
motor mounting slots will apply tension< to main drive motor belt. Pull on spring scale
until it reads 24 ounces. Maintain tension at that level and tighten four motor mounting
plate screws.
DEFLECT BELT
MOTOR MOUNTING SCREWS
1
·1
DR IVE ROLLE R
SHAFT.PULLEY
Figure
6.3
6~3.
Drive Motor Belt Tension Adjustment·
MAGNETIC PICKUP ADJUSTMENT
The magnetic pickup is adjusted to ensure that timing pulses of optimum level and modulation ratio (run-out) are developed. There are two adjustments: ,horizontal aligmnent and
air gap (Figure 6-4). If either of these adjustments Is incorrect, card synchronization
may be erratic and cause read checks.
CAUTION
IF THE TIMING DISC MUST BE REMOVED,
HANDLE IT WITH CARE. DAMAGE TO DISC
MAY RESULT IN ERRONEOUS CARD
PROCESSING.
a.
Loosen timlng diso set screw.
b.P-Oaitkm tlmlngd1ac -em·ahaftto '"1P-ttum.3,.hol't~ontAl.~ with etmitr of m~neUe
pickup tip.
c.
Hold diso in position and tighten let ICHW on flAt ~td@ of .mAlt.
MAGNETIC PICKUP
AIR GAP -0.003 (MIN)
Figure 6-4. Magnetic Pickup Adjustment
d.
Loosen magnetic pickup set screw.
e.
Position magnetic pickup assembly to adjust air gap between pickup and timing disC'.
Initial air gap should be 0.006 ±0.001 inch.
f.
Remove card cage rear panel and place Timing card (J3) on an extender board.
g.
Connect an oscilloscope across magnetic pickup output (J3-S and J3-T).
h.
Apply reader power.
REAR CARD CAGE COVER
A315
Figure 6-5. Card Cage Repositioning
Change 4
6-4
CAUTION
NIINIMUM PERIvIISSIBLE AIR GAP BETWEEN
TIP OF MAGNETIC PICKUP AND TEETH OF
TIIY1L.'fG DISC IS 0.003 INCH.
i.
Carefully adjust magnetic pickup to obtain output waveform shown in Figure 6-4A.
1.
Output level should measure between 1.5 and 6.0 volts peak-to-peak.
2.
Modulation ratio should not exceed 2:1.
NOTES:
1. Amplitude range = 1.5V to 6.0V p.p.
2 Maximum modulation ratio =2: 1.
A494
Figure 6-4A. Magnetic Pickup Output
j.
Remove reJ.der power; remove extender board and install timing card in its normal
position.
k.
Replace rear panel and card cage rear panel.
6-4A
Change 4
6.4
ADJUSTMENT OF STACK PHOTOCELL
The stack photocell is adjusted to ensure that it correctly monitors the stacking of cards
and that it is not in the way of the cards entering the output stacker.
The card cage must be repositioned in this adjustment to allow easy access to the rear of
the stacker photocell.
a.
Remove the four screws retaining the rear card cage cover, Figure 6-5.
b.
Remove the four screws retaining the main card cage cover.
c.
Remove the three screws from the underside of the mainframe which are holding the
card cage in place, Figure 6-5.
d.
Move the card cage to the rear of the reader, approximately 3 inches and replace one
of the rear mounting screws.
e.
To gain access to the stack photocell set screw, the drive roller must be removed.
Loosen the set screw in the drive roller and remove the roller, Figure 6-6.
f.
Loosen the set screw in the stacker casting which retains the stack photocell,
Figure 6-6.
PHOTO CELL SETSCREW
DRIVE
ROLLER
SET SCREW
o-'
o
o....
E
U)
N
00
.....
P004
Figure 6-6. Location of Photocell Set Screw
6-5
STACK PHOTOCELL
P005
Figure 6-7. Stack Photocell
g.
R~move photocell from rear of stacker casting and inspect photocell lens for any
damage, Figure 6-7. _
h.
Repla~e
i.
Tighten photocell set screw.
j.
Replace drive roller and adjust for proper preload per paragraph 6.5.
k.
Reinstall card cage in its normal position.
6.5
stack photocell and align photocell lens flush with surface of stacker casting.
STACKER ROLLER SHAFT BEARING PRELOAD
The preload of bearings on drive and stacker roller shafts is very important. This ensures
that there is no detectable end play in shafts. If there is detectable end play, excessive
wear of the support bearings will result.
a.
To reload bearings rotate roller of shaft to be adjusted to expose the set screw.
Loosen the set screw in top roller, Figure 6- 8.
b.
From bottom side of mainframe push shaft upward as far as possible.
6-6
-..I
(Xl
I\.)
(11
~o
~
A346
Figure 6-8. Roller Shaft Bearing Preload Adjustment
c.
Using a feeler gauge set, select gauge that will shim shaft in this position.
selected gauge between bottom roller and main frame.
Place
NOTE
The size of the gauge required may be
different for each ~haft (0.005 to 0.025 inch).
d.
Ensure that set screw is on fiat side of shaft.
e.
With feeler gauge in place, exert downward pressure on top roller and tighten set
screw.
If end play is excessive, a chattering noise will be detected when the drive motor is on.
6.6
HOPPER EMPTY SWITCH ADJUSTMENT
oJ
§
~
~
The adjustment of the hopper empty switch, located Wlder the riffle air cap, ensures that
~ input hopper empty condition is detected.
a.
Remove two screws holding riffle air cap, Figure 6-1.
b.
Check that operating arm of switch is parallel to top of picker casting and that arm
is not bent.
6-7
SWITCH ACTUATOR
CENtERED IN NOTCH
BLACK WIRE
MOUNTING PLATE SCREWS
Figure 6-9. Hopper Empty Switch Adjustment
c.
Loosen two screws holding switch mounting plate, Figure 6-9.
d.
Center switch arm in picker casting counterbore. Exert slight pressure on switch
arm, pressing arm into casting. Tighten switch mounting plate set screws.
e.
Replace riffle air cap.
If hopper empty switch is faulty or misadjusted, an erroneous status condition will be
developed. Refer to paragraph 9.20, Hopper Empty Switch.
6.7
STACKER FULL SWITCH ADJUSTMENT
The stacker full switch is adjusted to ensure that an output stacker full condition is detected.
a.
Place apprOximately one inch of cards in hopper. Operate POWER switch to place the
reader in operati 0n.
b.
After a few moments, the STOP indicator should illuminate. Pull stacker follower
toward front of reader. Approximately 1/8" before end of travel, HOPPER CHECK indi, cater should illuminate. If this condition is not met, stacker full switch must be
repositioned.
c.
Loosen two screws retaining stacker full switch bracket, Figure 6-10.
d.
Adjust switch bracket horizontally until HOPPER CHECK indicator illuminates when
stacker follower is approximately 1/8" before end of travel. Tighten bracket mounting
screws.
6-8
SET SCREW
UPPER
NEGATOR
SPRING
UPPER NEGATOR
SPRING SCREW
STACKER FULL
SWITCH SCREWS
STACKER FULL
DFHJM SHAFT
SET SCREW
STACK SHAFT
SUPPORT
;>006.
Figure 6-10. Stacker Full Switch Adjustment
6.8
PICKER SECTOR ADJUSTMENT
The picker sector is adjusted to ensure that cards are picked properly. There are six
adjustments to picker sector assembly; height, vacuum adapter air gap, rest stop, throat
block, sole.p.oid coupling, and forward bumper stop.
PICKER BU\i1PER
ADJUSTMENT SCREW
RIFFLE
CAP
PICKER
.~~-H---rr-
.007 to.OO8
.....I
o
o
o
LO
N
....
ex)
r--
f
002 to .003
VACUUM ADAPTER
PLI'.TE SET SCREW
A",,,"
HEIGHT
ADJUSTMENT
A289
Figure 6-11. Picker Sector Adjustment, Real! View
6-9
PICK BUMPER
o
PICK SHAFT
SET SCREWS
PICK
SECTOR
PICK STOP
SCREWS
SWITCH
SCREWS
A263
Figure 6-12. Pick Sector Adjustment, Front View
CAUTION
IT IS VERY IMPORTANT THAT THE ADJUSTMENTS BE PERFORMED IN THE SEQUENCE
STATED.
a.
Check pick sector height adjustment. Measure the distance from top of mainframe to
center of middle row of holes in pick sector. This should be exactly 1-5/8", Figure 6-11.
ORIFICE
......
J
0'1
~o
8
r
MOVE BEYOND FRONT EDGE OF
CHASSIS TO REMOVE SCREW
STACK FOLLOWER
SH AFT SUPPORT
SCREWS
[>U17
Figure 9-20. Stacker Negator Spring Replacement
9,-32
SET SCREW
UPPER
NEGATOR
SPR!NG
UPPER NEGATOR
SPRING SCREW
I
I
STACKER FULL
SWITCH SCREWS
I
f
STACKER FULL
SWITCH
J.
~
.
t
t
LOWER
NEGATOR
SPRING
DRUM SHAFT
SET SCREW
Pull I;
Figure 9-21. Stacker Full Switch Replacement
..J
0
0
0
b.
Remove two screws each side of card cage cover, slide cover back slightly and lift
off, Figure 9-7.
c ..
Remove two screws holding front stack follower shaft support, Figure 9-20.
d.
Loosen set screw in rear stack follower shaft support, Figure 9-21.
e•
Remove stack follower shaft, Figure 9-20.
f.
Move stack follower sufficiently beyond front edge of chassis to reveal negator spring
screw.
g.
Hold spring, remove screw, and pull spring from roller.
h.
Reroll new spring onto roller and replace spring screw.
l"
Reassemble in reverse order of disas.sembly~
i
U)
...co,...
N
9-33
9.19
UPPER STACKER NEGATOR SPRING
a.
Remove two screws each side of card cage cover, slide cover back slightly and lift
off.
b.
Remove upper stacker negator spring screw, Figure 9-21.
c.
Pull spring from roller and roll new spring onto roller.
d.
Replace spring screw.
e.
Replace card cage cover.
9.20
HOPPER EMPTY SWITCH
a.
Remove top panel cover per paragraph 6.1.
b.
Remove two screws holding riffle cap.
c.
Remove two connectors from hopper empty switch, Figure 9-17.
d.
Remove two screws holding switch.
e.
Replace switch and adjust per paragraph 6. 6.
f.
Reassemble in reverse order of disassembly.
9.21
STACKER FULL SWITCH
a.
Remove two screws on each side of card cage cover, slide cover back slightly and
lift off.
b.
Remove two screws holding stacker full switch, Figure 9-21.
c.
Unsolder leads from switch, and solder to new switch.
d.
Mount switch and adjust per paragraph 6.7.
e.
Replace card cage cover.
9.22
......
~
N
U1
~
....
8o
r
INDICATOR LAMPS
a.
Grasp indicator lens with thumb and forefinger and pull upward with a rocking motion
to remove lens.
b.
Pull lamp from lens.
9-34
c.
Insert new lamp into lens.
d.
Press lens firmly into switch.
9-35
SECTION 10
ASSEMBLY AND SCHElVIATIC DIAGRAMS
10·0
(B)
78199/M600L
81
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MOTOR
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Figure 10-1. Wiring Diagram, AC Power Distribution, 115 Vac, 60 Hz
(Dwg. No. 40156201)
.
~OT
78125/M600L
TO
POWfR SWITCH
ADJPTE2-
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Figure 10-lA. Wiring Diagram, AC Power Distribution, 230 Vac, 50 Hz
(Owg. No. 40160301)
CLOCK - J3
CARD
ERROR - J4
CARD
SYNC- J5
CARD
CONTROL - J8
CARD
Figure 10-2. Card Cage, P.C. Card Location
10-2
78125/Ml000l
tlo-rf;.s:
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Figure 10-3. Wiring Diagram, Card File
(Dwg. No. 40099401)
pwR~"J~
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OS2
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OS3
PICK CHECK
red
Figure 10-4. Schematic Diagram, Control P3nei
(Dwg. No. 200147)
10·4
78199/M600L
____________________. -__________________________________
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INPUT _
C1
A4
~~----~~--___4}~---------4----~3
.11JF
r-----I9
1r-----*-~A~~AA~4_------~
1000
Me 1469 R
RIU
2
4~----~------~----------~
CASE
7
__
A3
<;S.81K
').%W 1%
AS
>1K
%W 10%
OUTPUT =-t> 4
LIGHT STATION
ATN
t>10
---------------.-----------------------------------------------------------------------------------------Figure 10-5. Schematic Diagram, 5 Volt Regulator
(Dwg. No. 302085)
~--------------------------------------------------------~~------------------------~--------.--------------------------
r-----------__
........ PIN 5 (DB+)
------.1I~.--
~
CRl
;a-----4I~~
PI N 3
(TO SOLENOID)
--
9
Ol
PIN 1 ~'------I
Ql
..._---------------1..... PIN 4
<'
>
,>
R2
10K
1/2W
CAPACITOR
PADS
Q2
Rl
PIN2
~-------------------------------------~---------~~-----~.~P'N6(DB-)
.
Figure 10-6. Schematic Diagram, Solenoid Driver
(Dwg. No. 20010101)
7H125/Ml000L
~
-
O@H@@P@Wt@§I..------.
B B~ B0: EJ ,~ B~~ B B
8 BC~ B B;~ B~~ B B
Ot
YI
I
-'
a
~
<1ZD
-Qu
L___
-rnJ- Cf!§:>
18, . r
Figure 10-7. Assembly Diagram, Clock Card
(Dwg. No. 400765XX)
-flTI-
16,
CI'
78125/M1000L
Ci ..~ "'-14
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Figure 10-8. Schematic Diagram, Clock Card (Sheet 1 of 3)
(Dwg. No. 40080001)
- - - - - - - - -... -
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p
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a
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. Diagrarn, Clock Car d (Sheet 2 of 3)
8 Schematic
Figure 10- .
(Dwg.
N
o.
40080001)
.-_1
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ow ClK
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D'lagram, Clock C
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Figure 10-8• Schematic
(Dw 9. No. 40080001)
ard (Sheet 3 of 3)
7U126/Ml000L
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Figure 10-9. Assembly Diagram, Error Card
(Dwg. No. 400610XX)
78125/Ml000L
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Figure 10-10. Schematic Diagram, Error Card (Sheet 1 of 2)
(Dwg. No. 40081401)
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Figure 10-10. Schematic Diagram, Error Card (Sheet 2 of 2)
(Dwg. No. 40081401)
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Figure 10-11. Assembly Diagram, Sync Card
(Dwg. No. 400353XXt
78125/MlO00L
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Figure 10-12. Schematic 0'lagram, Sync Card (Sheet 1 of 3)
(0 wg. No. 40094301)
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Figure 10-12. Schematic Diagram. Sync Card (Sheet 2 of 3)
(Dwg. No. 40094301)
5r~
115
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Figure 10-12. Schematic Diagram, Sync Card (Sheet 3 of 3)
(Dwg. No. 40094301)
TO
PlU:Srf COUNTER
CD
::3
1
CD
~
PRESET TIMING REQUIREMENTS
T~--------------~--------------=~,
1
2
~ll ~lO
"
);2
a
16
32
64
121
6g66~
9
4
Model
Count
M 200 (310 C?M)
M 300/600
M 1000
M 1200
164
75
43
35
Time in J,.lsee
1
Bt
?S~8
?6 ?7 ~
1366.6
6250
358.3
291.7
lK
Figure 10-13. Preset Counter Strapping
ADJUSTMENT OF PRESET AND CSDS TIMING
Program the counters with the complement of the required count as follows:
=
~
....
1.
Let ground represent logic "1,It and strap output pins to pins 5, 6 7 or 8 to
create the required count.
2.
Strap all other output pins to Vce pins 13, 14, 15 or 16.
TO CSDS
DURA nON COUNTER
CSDS ilMING REQUIREMENTS
I
Model
0
0
0
Count
Time in lJSee
72
31
18
15
600.0
258.3
150.0
125.0
.-
:E
~
N
.CO
,....
DS .
o
0
0
0
M200 (310 CPM)
M 300/600
M 1000
M 1200
t::....t.J::J
16
.
~VCC
1K
Figure 10-14. CSDS Duration Counter Strapping
10-18
78125/M1000l
Figure 10-15. Assembly Olanram, Control Card
(Dwg. No. 400619XX)
78125/M 1OOOL
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(Dwg. No. 40065001)
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