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MAN0443.P65 Issue 13 Aug 04
5701 Control System
05701-M-5001 A02279
CHAPTER 4 - INSTALLATION INSTRUCTIONS
Three Wire Control Card Current Sink, Transmitter Current Source Connection for
Searchpoint 500 (Signal Returned to +0V)
Arrows Indicate
Direction of Loop
Current Flow
Screened
Cable
Cabinet
Protective
Earth
Note: Where a sensor is earthed locally, either to the Earth Stud or
through the sensor casing or mounting, to avoid earth loops the
screen sheath of the cable should only be connected at one
end. ie. At the sensor or at the Interface/relay Card.
Single Channel Control Card 4 - 20mA 05701-A-0301
Fitted with 4 - 20mA Sensor Drive 05701-A-0283
Relay/Field Interface Card
05701-A-0326
05701-A-0327
05701-A-0328
05701-A-0329
05701-A-0330
28
27
29
LK3
Link Positions
LK12
LK10
LK7
SC SK
N/C
_
+
E
m A
24V
S
NS
01
+24V
0V
4 - 20mA (-)
Searchpoint 500