Connection Diagram For Variant 3G - SICK GM32 Ex Operating Instructions Manual

6
ELECTRICAL INSTALLATION
6.3.1.1

Connection diagram for variant 3G

1
â
æ
æ
å
Figure 14: Connection diagram of connection unit for variant 3G / Ex zone 2
1
2
3
4
5
6
7
8
9
ß
à
á
â
ã
ä
å
æ
ç
NOTICE
In area æ , the intrinsically safe connections for temperature 9, pressure ß and two digital inputs à + á to
connect the pressure controller are provided. Only connect intrinsically safe simple operating means with suitable
connection data to these terminals in accordance with the Table below. Otherwise the explosion protection of the
connected sensors is not ensured.
Only connect intrinsically safe devices with suitable connection data to these terminals.
►
34 O P E R A T I N G I N S T R U C T I O N S | GM32 Ex
4
ä
3
2
ã
ä
Power supply 100 - 240 V /50 - 60 Hz
Power supply GM32
CAN GM32
CAN to EvU /SCU
Gateway module
I/O module
Ethernet bus
Fiber optics connection
Connections of temperature sensor (3-wire circuit): Pins , 1,2 and 3
Connections of pressure sensor: Pins 4 and 5
Pressure controller for purge air monitor, sender: Pins 6 and 7
Fit a bridge between pins 8 and 9
Ex-p control unit
Connection, Ex p valve
Status signal output (contact closed currentless)
Power supply of control unit
Fitted bridges (by manufacturer)
Connection area for intrinsically safe components
5 6
Ex ia
7
à à à á á á
8 9 9 ß ß
ç
8015558/1O6S/V1-9/2024-08 | SICK
Subject to change without notice