6.3.1.2
Connection diagram for variant 3G
ã
ä
Figure 14: Connection diagram of connection unit for variant 3G / Ex zone 2
1
Power supply 100 - 240 V /50 - 60 Hz
2
Power supply GM32
3
CAN GM32
4
CAN to EvU /SCU
5
Gateway module
6
I/O module
7
Ethernet bus
8
Fiber optics connection
9
Connections of temperature sensor (3-wire circuit): Pins , 1,2 and 3
ß
Connections of pressure sensor: Pins 4 and 5
à
Purge air monitoring of sender/probe: Pins 6 and 7
Purge air monitoring - reflector: Pins 8 and 9
Ex-p control unit
ã
Connection of P valve
ä
Power supply of control unit
ELECTRICAL INSTALLATION
6
8015558/YYJ8/V1.7/2016-07 | SICK
O P E R A T I N G I N S T R U C T I O N S | GM32-Ex
41
Subject to change without notice