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Switch
cams
Switches
Terminal block
Part Front View
(showing switchpack arrangement)
Feedback 3-lobe cam
Exhaust
1/4 BSP
Part view on arrow 'A'
(showing switchpack arrangement)
Designation of connections: A & B = Working Lines
Rotary pneumatic positioner F793
Installation and Maintenance Instructions
234
170
22.5
Signal or pressure gauge
Connection 1/8 BSP
93.5
Supply connection
1/4 BSP
Outlet
connection 1/4 BSP
(to actuator open port)
Outlet connection 1/4 BSP
(to actuator close port)
P - Compressed Air Connection
Switch details
Micro-switch details
Standard V9 type, single pole double throw (SPDT).
Switch ratings as table below:
Voltage
Resistive
load
(volts)
(Amps)
AC
125
10
250
10
DC
Up to 15
15
30
10
50
3
75
1
125
0.5
250
0.25
Proximity switch details
Type
Pepperl & Fuchs NJ2-V3-N or as specified
Quantity
2 switches per unit
Sensing distance
2 mm maximum (metal face). NB. Separate amplifier required
Supply
8 V DC (Ri approx. 1kOhm)
Temperature range
-25°C to +70°C
Repetition
<0.01 mm
Hysteresis
=0.05 mm Typ 3%
Output
Sensor absent - 3mA or above
Sensor present - 1mA or below
Switching rate - 1kHz maximum.
Switch identification
Switch number
Switch function
1
close limit
2
open limit
Pentair reserves the right to change the contents without notice
Feedback
3-lobe cam
85
(direct or
reverse acting)
73
4 - off M5 mounting screws
(protruding 9 mm thro)
41.3
T- Exhaust Point
Tungsten lamp load
Inductive
(Amps)
load
NC
NO
(Amps)
2
1
10
1.5
1
10
3
1.5
15
3
1.5
10
0.8
0.8
2.5
0.6
0.6
0.5
0.5
0.5
0.07
0.25
0.25
0.03
90
83
16 mm dia. x 11 A/F
Valve Body
Visual position
indicator
Conduit entry - M20
X - Control Line
page 3
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