Camden CX 12 Switching Network Installation Instructions A128 Manual NF Rev1

User Manual: Camden CX-12 Switching Network Installation Instructions Instructions

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CX-12 Switching Network
& Bi-Directional Door Sequencer
Installation Instructions

Section 1__________________
General Description

For latching (ratchet or alternate action) functions, we
recommend our Model CX-1000/78 multi-purpose
timer, or Model SA-1 Switching Network.

The CX-12 is the latest generation multi-purpose
timer. It is designed to be versatile yet user friendly
with easy to understand terminology and
adjustments. (It supersedes Model CX-11 Ultra)

IMPORTANT: Do not apply power to the unit until
you have read the instructions fully and made the
required adjustments.

Used as a make/break relay (or Switching Network) it
eliminates the binding of locked automatic doors, by
delaying the door operator until the strike or
electromagnet (de) activates first.

Section 2__________________
Installation

A new feature of this model is the ability to select one
of 4 Modes of operation – momentary; maintained
with Relay 1 held; maintained with Relay 2 held; and
bi-directional door sequencing (SEE DIAGRAM 04).
In the Momentary position, even a stuck switch input
will allow the door to time out and close, thereby
providing security to occupants. The CX-12 will
however, still operate normally if one of the other
inputs is activated. Essentially, it ignores the faulty
activation source, as all inputs are isolated.
The inputs to the CX-12 may be either dry or wet
(powered), meaning that 3-terminal radio receivers
may be connected directly to the CX-12 without fear
of malfunction. SEE DIAGRAM 01.

Mounting
The LED’s are visible through the wrap-around
sleeve, which also has cutouts for adjusting the
potentiometers, and setting the dip-switch. Once the
unit has been adjusted, it may be tucked up into the
operator header or affixed using the supplied Velcro.

Wiring
Wiring of this unit is dependent on the mode desired,
however the following commonalities apply.
Note: Do not wire Safety devices to the CX-12.
If installed, wire your safety device directly to the
operator control box as per usual.

Additionally, we provide a direct connection from an
apartment interphone panel. Only Relay #1 (strike)
will operate when a voltage is applied to this input. A
vestibule courtesy switch will be energized for the
time set by Pot. 1. SEE DIAGRAM 03 a or b.

CAUTION: Do not apply power to the unit until all
secondary wiring is complete, and dip-switches have
been set.

Select Relay 1 Maintained for an Access Control
application. When a maintained signal is applied to
WET 1 input, the lock will remain energized, while the
DRY 2 input allows a wall switch to open the door. An
input on DRY 1 will always unlock and open the door.

Both relay outputs are Form C and are rated at 3
amps maximum. Use relay # 1 for the strike or
electromagnet. Generally the N.O. & COM. terminals
(#3 & 4) are used for a strike, and COM & N.C. (#4 &
5) are used with an electromagnet.

SEE DIAGRAM 02b.

Select Relay 2 Maintained if you are connecting the
CX-12 to a fire alarm panel, or to a presence sensor.
In this mode the lock will fire momentarily but the
operator relay will be held in as long as the input is
maintained. SEE DIAGRAM 02a.

The door operator will be wired to relay #2 N.O. &
COM terminals (#6 & 7). In a door sequencing
application, door 1 is relay #1, and door 2 is relay #2.
The unit will operate on 12 or 24 volts, AC or DC.
Connect to Terminals 1 & 2, which are non-polarity
sensitive.

Page 1 of 10

CX-12 Switching Network & Bi-Directional Door Sequencer Installation Instructions
An interior switch may be connected to DRY 1
(Terminals 11 & 12). This input will always unlock
and open the door when activated. (Regardless of
the status of input connected to WET 1).

APPLICATIONS
& SET-UP INSTRUCTIONS:
STANDARD TIMER MODE
Off / On

Set dipswitches as shown >
Refer also to Diagram 01.

1
2

If the interior switch is Wet (powered) connect to
WET 2 (Terminals 13 & 14).

EXTENDED TRIGGER MODE – RELAY 2

Connect a dry contact such as a wall switch to DRY1
(Terminals 11 & 12). A Wet (powered) output
connects to WET 2 (Terminals 13 & 14).

Off / On

Set dipswitches as shown >

1
2

Upon a switch activation the strike relay will fire for
the time set by potentiometer 1 (DOR RL1). After a
delay, adjustable by potentiometer 2 (DOO RL2), the
operator relay will fire. The hold time for relay #2 is
set with potentiometer 2 (DOR RL2).

Refer to Diagram 02a.

Most modern door operators have built-in time
delays, and if so, it is usually desirable to use them to
add sufficient hold-open time. In this case adjust the
CX-12 to send just a momentary pulse (1 or 2
seconds only).

Connect the Wet (powered) output of the Fire panel
to WET 2 (Terminals 13 & 14)

Observe the door and adjust timers until desired
operation is observed.

Suitable for connection to a Fire Alarm Panel, this
mode will fire the electric lock momentarily, then hold
in the operator relay until the input is released.

A device with a dry output such as a Presence
sensor will connect to DRY 1 (Terminals 13 & 14).

Bi-Directional Sequencing MODE
Off / On

The above dipswitch setting is also used for
applications such as apartment entries with an
interphone panel. Refer to Diagrams 03a & 03b.

Set dipswitches as shown >

In each case the interphone input (WET 1) will
activate the strike relay only. If a courtesy switch is
located in the vestibule, it is connected to DRY 2
(Terminals 15 & 16). This input is only active when
the strike relay is energized.

Turn on power and activate the Interior input (switch).
Observe LED1, which should light immediately. The
length of hold time is determined by adjusting the pot
marked DOR/RL1, clockwise for more time, counter
clockwise for less time.

Another application using this mode is door
sequencing in one direction only. Connect Door 1
operator to relay 1, and door 2 operator to relay 2.
The delay between the two doors is adjusted via the
DOO RL2 potentiometer.
For bi-directional
sequencing refer to specific set-up instructions below.

The delay between the two doors is adjusted via the
DOO RL2 potentiometer.

EXTENDED TRIGGER MODE – RELAY 1
Off / On

Set dipswitches as shown >
Refer also to Diagram 02b.

1
2

Typically the access panel (or time clock) will be wet
(powered) therefore connect to WET 1 (Terminals 9
&10).
The exterior activating switch is wired to DRY 2
(Terminals 15 & 16). This input signals the door
operator (Relay 2), and is only active when the strike
relay is energized.

Refer to Diagram 04.

1
2

After the above-mentioned delay, LED2 should light.
The length of hold time is adjusted by the pot marked
DOR/RL2.
The ideal time delay between the two doors is best
set by actual walk-testing. It should be set so that a
person can walk in either direction without having to
pause before the second door activates. Test in both
directions.
If an emergency (or anti-entrapment) switch is
desired in the vestibule, then wire that switch directly
to one of the operator inputs. Usually the exterior
door is used in this case.
Once the desired operation is achieved, proceed to
Section 4, for System Inspection Instructions.

Page 2 of 10

5502 Timberlea Blvd.,
Mississauga, ON Canada L4W 2T7

www.camdencontrols.com
Toll Free: 1.877.226.3369

File: CX-12_NF_Rev1.doc
Revised: 13 January 2010
Part No.: 40-82B103

CX-12 Switching Network & Bi-Directional Door Sequencer Installation Instructions

Section 4 _________________
System Inspection Instructions

Section 5_________________
Technical Data

After the Installation and operational check of the
system:

Model

CX-12

Size

3 ¼” x 2 ¼” x ¾”

Mounting

Velcro or double-sided tape

Enclosure

Protective paper sleeve.

Operating voltage

12 / 24 Volts, AC / DC

Current Draw

18 mA standby,
40 mA max.

Response time

0.3 seconds

Inputs

2 x “dry” contacts,
2 x “wet” contacts:
(3-30 V AC/DC, Optically
isolated, non-polarity
sensitive).

Relay Output

2 x Form C (SPDT)

Relay contact rating

3 amps @ 20 VDC

Time Delays

DOR #1 1 to 30 seconds
DOO # 2 1 to 30 seconds
DOR #2 1 to 30 seconds

Electrical Life

100,000 operations
@ rated capacity
500,000 operations
@ ½ rated capacity

1. Place warning label on the door (as per ANSI
A156.10 or A156.19 guidelines). This will
advise the person entering the swing side
zone that the door will move.
2. Instruct the owner on door system operation
and how to test it. This should be checked
on a daily basis.
3. Instruct the owner on what to do if the door or
any of its components become damaged.
4. Strongly recommend to the owner that the
complete entry be inspected twice a year as
part of the service agreement.

Section 6_________________
Warranty
Camden Door Controls guarantees the CX-12 to be free from manufacturing defects for 3 years from date of sale. If
during the first 3 years the CX-12 fails to perform correctly, it may be returned to our factory where it will be repaired
or replaced (at our discretion) without charge. Except as stated herein, Camden extends no warranties expressed or
implied regarding function, performance or service.

Questions?
Call us toll-free at 1-877-226-3369

Page 3 of 10

5502 Timberlea Blvd.,
Mississauga, ON Canada L4W 2T7

www.camdencontrols.com
Toll Free: 1.877.226.3369

File: CX-12_NF_Rev1.doc
Revised: 13 January 2010
Part No.: 40-82B103

Off / On

Radio
Receiver
3 - Term.

1
RL1 RL2
LED LED

DOR
RL1

DOO
RL2

DOR
RL2

2

3

4

5

6

7

8

24V

1 2

Com

Radio

CX-12

Wet Input
ie- Radio
Receiver

9 10 11 12 13 14 15 16

12 / 24 V
AC/DC
Power

Dry Input
ie- Push
Switch

Door Operator
Electric Strike

MOV

Camden Manufacturing
Wire MOV
(supplied)
directly to strike
or magnet

SCALE: NONE
Power
for Strike

DRAWN BY: DGW

DATE: 11/16/09

5502 Timberlea Blvd.
Mississauga, Ontario
L4W 2T7
REVISED:

CX-12 Application Diagram (typical Momentary Operation)
DRAWING No: DRG-CX-12-01

FILENAME:

CX_12 Diagram 1.vsd

Off / On

Fire Alarm
Panel
Shown with
maintained
& powered
signal (Wet)

1
RL1 RL2
LED LED

DOR
RL1

DOO
RL2

DOR
RL2

2

FIRE

CX-12
1 2

3

4

5

6

7

8

9 10 11 12 13 14 15 16

12 - 24 V
AC/DC
Power

Presence
Sensor
(Dry
contact
output)

Door Operator
Electric Strike
(If Mag lock
used, wire to
Terminals 4 & 5)

MOV

Camden Manufacturing
Wire MOV
(supplied)
directly to strike
or magnet

SCALE: NONE
Power
for Strike

DRAWN BY: DGW

DATE: 11/16/09

5502 Timberlea Blvd.
Mississauga, Ontario
L4W 2T7
REVISED:

CX-12 Application Diagram (with Maintained Operator output)
DRAWING No: DRG-CX12-02a

FILENAME:

CX_12 Diagram 2a.vsd

Off / On
1
RL1 RL2
LED LED

DOR
RL1

DOO
RL2

DOR
RL2

2

Exterior
Switch
(in circuit
only while
Lock Relay
is active)

CX-12
1 2

3

4

5

6

7

8

9 10 11 12 13 14 15 16

Interior
Switch
(Always
unlocks
and opens
door.

12 - 24 V
AC/DC
Power

CAccess Control
or
Time Clock
Sends a
powered &
maintained
signal
to keep door
unlocked for
desired time.

Door Operator
Electric Strike
(If Mag lock
used, wire to
Terminals 4 & 5)

MOV

Camden Manufacturing
Wire MOV
(supplied)
directly to strike
or magnet

SCALE: NONE
Power
for Strike

DRAWN BY: DGW

DATE: 11/16/09

5502 Timberlea Blvd.
Mississauga, Ontario
L4W 2T7
REVISED:

CX-12 Application Diagram (with Maintained Lock Output)
DRAWING No: DRG-CX12-02b

FILENAME:

CX_12 Diagram 2b.vsd

Optional
Vestibule mounted
Convenience Switch
(Only active when
Lock relay energized)
Switch opens door

Off / On
1
RL1 RL2
LED LED

DOR
RL1

DOO
RL2

DOR
RL2

2

CX-12
1 2

3

4

5

6

7

8

9 10 11 12 13 14 15 16

Interior Switch
Unlocks and
opens door

12 - 24 V
AC/DC
Power

Apartment
Interphone
Panel
(powered signal)
Unlocks door only

Door Operator
Electric Strike

MOV

Camden Manufacturing
Wire MOV
(supplied)
directly to strike
or magnet

SCALE: NONE
Power
for Strike

DRAWN BY: DGW

DATE: 11/16/09

5502 Timberlea Blvd.
Mississauga, Ontario
L4W 2T7
REVISED:

CX-12 Application Diagram for Apartment (typical)
DRAWING No: DRG-CX12-03a

FILENAME:

CX_12 Diagram 3a.vsd

NOTE: Use this diagram
in case the Interphone
outputs a dry contact
instead of a powered
signal.

Optional
Vestibule mounted
Convenience Switch
(Only active when
Lock relay energized)
Switch opens door

Off / On
1
RL1 RL2
LED LED

DOR
RL1

DOO
RL2

DOR
RL2

2

CX-12
1 2

3

4

5

6

7

8

9 10 11 12 13 14 15 16

Interior Switch
Unlocks and
opens door

12 - 24 V
AC/DC
Power

Apartment
Interphone
Panel
(DRY contact)
Unlocks door only

Door Operator
Electric Strike

Vestibule
Keyswitch
(Optional)
MOV

Camden Manufacturing
Wire MOV
(supplied)
directly to strike
or magnet

SCALE: NONE
Power
for Strike

DRAWN BY: DGW

DATE: 11/16/09

5502 Timberlea Blvd.
Mississauga, Ontario
L4W 2T7
REVISED:

CX-12 Application Diagram for Apt. (with Vestibule Keyswitch)
DRAWING No: DRG-CX12-03b

FILENAME:

CX_12 Diagram 3b.vsd

Door #2
Push
Switch

Off / On
1
RL1 RL2
LED LED

DOR
RL1

DOO
RL2

DOR
RL2

2

CX-12
1 2

3

4

5

6

7

8

9 10 11 12 13 14 15 16

Wet
output
ie - RF
receiver
(optional)

12 - 24 V
AC/DC
Power

Door #1
Operator

Wet
output
ie - RF
receiver
(optional)

Door #2
Operator

Door #1
Push
Switch

Camden Door Controls
SCALE: NONE

DRAWN BY: DGW

DATE: 11/16/09

5502 Timberlea Blvd
Mississauga, Ontario
L4W 2T7
REVISED:

CX-12 Application Diagram (Bi-Directional Sequencer operation)
DRAWING No: DRG-CX-12-04

FILENAME:

CX_12 Diagram 4.vsd



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