6.3.1.1
Connection diagram for variant 2G
ä
ã
1
2
3
4
5
6
7
à
ß
9
8
Figure 13: Connection diagram of connection unit for variant 2G / Ex zone 1
1
Power supply 100 - 240 V /50 - 60 Hz
2
Connection (control line ) of Ex relay
3
Power supply GM32
4
CAN GM32
5
CAN to EvU /SCU
6
Gateway module
7
I/O module
8
Ethernet bus
9
Fiber optics connection
ß
Connections of temperature sensor (3-wire circuit): Pins 1, 2 and 3
à
Connections of pressure sensor: Pins 4 and 5
Purge air monitoring of sender/probe: Pins 6 and 7
Purge air monitoring - reflector: Pins 8 and 9
ã
Ex-p control unit
ä
Connection of P valve
6
ELECTRICAL INSTALLATION
40
O P E R A T I N G I N S T R U C T I O N S | GM32-Ex
8015558/YYJ8/V1.7/2016-07 | SICK
Subject to change without notice