Honeywell 5701 Operating Instructions Manual page 96

MAN0443.P65 Issue 13 Aug 04
05701-M-5001 A02279
CHAPTER 4 - INSTALLATION INSTRUCTIONS
Single Channel Control Card 4 - 20mA 05701-A-0301
Fitted with 4 - 20mA Sensor Drive 05701-A-0283
Opus/Lifeline II Transmitter
J4
SK4 6
J5
1
3
Note: Where the sensor is earthed locally, either to the 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, i.e. the
sensor or at the relay/interface card.
Three Wire Control Card Current Sink, Transmitter Current Source Connection for
Direction of Loop
Screen to
cable gland
Opus/Lifeline II (Signal Returned to 0V)
4 - 33
Relay/Field Interface Card
05701-A-0326
05701-A-0327
05701-A-0328
05701-A-0329
05701-A-0330
Arrows Indicate
Current Flow
Screened
Cable
5701 Control System
Cabinet
S
27
01
28
NS
29
Protective
Earth
Link Positions
LK12
LK10
LK7
LK3