6.10
Connecting the Ex peripherals (control unit)
Ex peripheral connection for category 2G
1
2
3
4
5
6
7
1
Ex p valve control line (prewired)
2
Ex control unit FS850S
3
Control line Ex interface relay
4
Ex interface relay SR852
5
Signal line
6
PE
7
L1 to terminal 17 or 18
N to terminal 15 or 16
CAUTION
All electrical connections must be connected using Ex approved relays.
Ex peripheral connection for category 3G
1
2
3
4
1
Ex p valve control line (prewired)
2
Ex control unit FS850S
3
L1 to terminal 17 or 18
N to terminal 15 or 16
4
PE
NOTE
Further information:
•
Pressurized Enclosure System F850S Manual
•
For category 2G: Ex Relay SR852 (interface relay) Manual
6
ELECTRICAL INSTALLATION
48
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