Honeywell 5701 Operating Instructions Manual page 97

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
6
5
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.
Opus/Lifeline II Four Wire Isolated Signal, Transmitter Connection for Opus/Lifeline II
Arrows Indicate
Direction of Loop
Current Flow
4 - 20mA (-)
4 - 20mA (+)
Screen to
cable gland
Screened
Cable
* The 24V supply for the transmitter
may be obtained from either the
Relay/Field
terminals 35 (+24V) and 36 (0V), or
a separate field supply.
4 - 34
Relay/Field Interface Card
05701-A-0326
05701-A-0327
05701-A-0328
05701-A-0329
05701-A-0330
Cabinet
+24V
NS
01
0V
Interface Card
5701 Control System
28
29
35 36
Protective Earth
Link Positions
LK12
LK9
LK6
LK1