MAN0443.P65 Issue 13 Aug 04
5701 Control System
05701-M-5001 A02279
CHAPTER 4 - INSTALLATION INSTRUCTIONS
4 - 35
Apex
Link Settings:
SK4
(Comms
and
Power)
Apex
LK3
LK1
LK12
LK9
LK6
Three Wire Control Card Current Source, Transmitter Current Sink Connection for
Apex (Signal Returned to Regulated 23V Supply)
Note: The Apex transmitter should be earthed locally. The transmitter is
earthed through the Earth Stud, to avoid earth loops the screen
sheath of the cable should only be connected at the transmitter.
Link Positions
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
Screened
Cable
Arrows Indicate
Direction of Loop
Current Flow
S
01
NS
Cabinet
Protective
Earth
28
27
29
Apex Transmitter
+24V
4 - 20mA (+)
0V
J4
J5
1
2
3
4
5
6
7