Tyco Keystone F792 Users Manual Switchbox LP T/S

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Controls – F792 Switchbox LP Series

The well proven design of the Keystone F792 Low
Profile Switchbox has been upgraded to simplify
switch setting, site wiring and weatherproof integrity.

Features

•
•
•
•
•
•
•
•
•
•
•
•
•
*

Cams specially designed to operate
either V9 microswitches or
proximity sensors
General purpose dustproof and
weatherproof enclosure to IP65
rating.
Switches prewired to terminal strip.
Cable entries: 2-off Pg 13.5.
Suitable for direct mounting to
Keystone F790 actuators.
Simple screw driver cam setting.
Independently, top adjustable
cams, accessible at all degrees of
opening.
Infinitely adjustable.
Locking screw provides full face
friction of the cams ensuring
optimum repeatability, as cams
firmly lock after adjustment.
Clearly visible position indicator.
Anodised and ESPC* aluminium
enclosure provides full environmental
protection.
Readily adaptable to suit all rotary
actuators.
Terminal strip angled for easy
wiring.
Electrostatic powder coating.

Options

•
•
•
•

V9 microswitches.
Inductive proximity sensors.
Pneumatic switches.
Direct mounted High Visibility
Indicator.

General Applications
For position sensing on manual or
automated valves in general industrial
environments.
Refer F792-K series Switchboxes for
hazardous applications.

A.C.N. 000922690

© Copyright by Tyco International Ltd.

F792LPSB/11/98

Keystone reserves the right to change product designs and specifications without notice.

Controls - F792 Switchbox LP Series

142
Pg 13.5

94

Operating Specifications
Temperature Rating:
Minus 25°C to 60°C for Micro and
Proximity switches.
Minus 15°C to 60°C for Pneumatic
switches.

42

87

Enclosure Protection:
IP65 dust and weatherproof.
Action:
360° rotary normally set for 90° action.

5
9
2
1
79

93

6
7
8
4
Pg 13.5
11
Ø16

Parts List
No.

Description

Material

1

Body

2

Cover

Die cast aluminium LM24
(anodised and ESPC* coated)
Die cast aluminium LM24
(anodised and ESPC* coated)

3
4

Cams (not shown)
Shaft

Acetal
Acetal

5
6
7
8
9

Position Indicator
Fasteners
Fastener Seals
Gasket
Dome

A.B.S. (acrylonitrile butadiene styrene)
Stainless Steel
Nylon
Nitrile
Ektar (DN004 copolyester)

Note:
*Electrostatic powder coating.

© Copyright by Tyco International Ltd.

F792LPSB/11/98

Keystone reserves the right to change product designs and specifications without notice.

Controls – F792 Switchbox LP Series

Electrical Switch Plan

Electrical Switch Wiring Diagram

(Shown in mid travel)

Black

3
4

Blue

5

G/Y

6

Bottom
switch
(closed)
NC

Red
Brown

Option 1

Output
to lamp

2

Top
switch
(open)
NC

Mains
Supply
1

Yellow

Low profile switchbox with
two V9 single pole double
throw microswitches

Output
to lamp

Earth

Proximity Plan

Proximity Wiring Diagram

(Shown in mid travel)

6

Note:
2 Wire Schematic Illustrated.

Pneumatic Switch Plan

Earth

6

NAMUR SENSOR
8V DC

Black (A)
Brown (+)

5

5
Earth

Bottom
switch
(closed)

4

4

Brown (+)

Brown (+)
3

3
Blue (-)

2

2

Brown(+)

Bottom
sensor
(closed)

Black (A)

Top
switch
(open)

1

Blue (-)

1
Blue (-)

Top
sensor
(open)

NC NPN PROX
10 – 30V DC 200mA MAX

Note:
3 Wire Schematic Illustrated.

Pneumatic Switch Wiring Diagram

Open signal
1/8" BSP.T
Shut signal
1/8" BSP.T
(shown in closed position)

Option 3
Top
switch
(open)

Air supply
1/8" BSP.T

Low profile switchbox with
two pneumatic switches

Bottom
switch
(closed)

open pressure close
signal source signal

Caution:
Reverse air connections will
cause venting into enclosure.

© Copyright by Tyco International Ltd.

F792LPSB/11/98

Keystone reserves the right to change product designs and specifications without notice.

Controls - F792 Switchbox LP Series

Microswitch Specifications
Voltage
(Volts)

Resistive load
(Amps)

AC

125
250
DC Up to 15
30
50
75
125
250

Tungsten lamp load (amps)
NC
NO

10
10
15
10
3
1
0.5
0.25

2
1.5
3
3
0.8

1
1
1.5
1.5
0.8

0.6
0.5
0.25

0.6
0.5
0.25

Inductive load
(Amps)
10
10
15
10
2.5
0.5
0.07
0.03

Proximity Sensor Specifications – 2 & 3 Wire Specification
Proximity Sensor- 2 wire specification
Type:
Pepperl & Fuchs NJ2-V3-N or equivalent
Sensing Distance:
2mm maximum (metal face). NB separate amplifier
required
Supply:
8V DC (Ri approx. 1k0hm)
Output:
• Sensor absent - 3mA or above
• Sensor present - 1mA or below
Proximity Switch - 3 wire specification
Type:
Bailiff BES 5173
Supply Voltage:
10-30VDC
Current:
≤ 200mA
Frequency:
≤ 1500Hz

Pneumatic Switch Specifications
Signal connections:
Switch details:

Temperature range:

4mm O.D. tube.

• Telemecanique PXC–M111 or equivalent
• 2 switches per box
• Switches normally non passing (NNP)
• Capacity – 60 L/min at 550 kPa to atmosphere
• pressure range 300 – 800 kPa
Minus 15°C to 60°C

© Copyright by Tyco International Ltd.

F792LPSB/11/98

Keystone reserves the right to change product designs and specifications without notice.

For Trimming Only DO NOT PRINT

Controls – F792 Switchbox LP Series

© Copyright by Tyco International Ltd.

F792LPSB/11/98

Keystone reserves the right to change product designs and specifications without notice.

Controls - F792 Switchbox LP Series

Typical Description – Electrical Switches
F792

LSB

Figure No.

Limit Switchbox

LP

WP

2SPDT

240VAC

Type

Enclosure Rating

Switch Type

Voltage

(Low Profile)

(weatherproof)

Typical Description – Proximity Sensors/Switches
F792

LSB

LP

WP

Prox

NO

PNP

Figure No.

Limit Switchbox

Type
(Low Profile)

Enclosure Rating
(weatherproof)

Proximity

Action
Normally Open

Switch Style

Typical Description – Pneumatic Switches
F792

LSB

Figure No.

Limit Switchbox

LP

WP

Pneu

NNP

Type

Enclosure Rating

Pneumatic

Action

(Low Profile)

(weatherproof)

Switch

Normally Non Passing

Selection Guide
EDP Description

Part No.

Comments

F792 LSB LP WP 2SPDT 20-260VAC
F792 LSB LP WP PROX NAMUR
F792 LSB LP WP PROX NO PNP

422987
169555
642884

Weatherproof type with two 240 VAC electrical switches
Weatherproof type with two 8 VDC proximity sensors
Weatherproof type with two 10-30 VDC proximity switches

F792
F792
F792
F792
F792

764321
768482
252866
116538
812791

Weatherproof
Weatherproof
Weatherproof
Weatherproof
Weatherproof

Note:
SPDT
NO
NC
NNP

LSB
LSB
LSB
LSB
LSB

LP
LP
LP
LP
LP

WP
WP
WP
WP
WP

PROX NC PNP
PROX NO NPN
PROX NC NPN
PROX AC
2 PNEU NNP

=
=
=
=

Single Pole Double Throw
Normally Open
Normally Closed
Normally Non Passing

© Copyright by Tyco International Ltd.

type
type
type
type
type

with
with
with
with
with

two
two
two
two
two

24 VDC proximity switches
24 VDC proximity switches
24 VDC proximity switches
20-260 VAC proximity switches
pneumatic switches

F792LPSB/11/98

Keystone reserves the right to change product designs and specifications without notice.



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