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8013741/16LH/V1-7/2020-04| SICK
O P E R A T I N G I N S T R U C T I O N S | MCS300P Ex
Subject to change without notice
INSTALLATION
3
3.5.2
Connecting Ex peripherals (for MCS300P Ex category 3G)
▸
Check the power voltage specified in the System Documentation and on the type plate of
the solenid valve.
3.5.2.1
Ex control unit FS840 main power supply
Fig. 11: FS840 power connection
3.5.2.2
Alarm signal of the pressurized enclosure system
▸
Connect the alarm signal (relay-switching contact) of the pressurized enclosure system
as described in the Manual of the pressurized enclosure system and in the System
Documentation of the MCS300P Ex.
3.5.2.3
Ex power relay SR853 (optional)
Ex power relay SR853 connection,
see “Connecting Ex peripherals (for MCS300P Ex cate-
L1 to terminal 9 or 10
N to terminal 7 or 8
PE
Further information
→
Pressurized enclosure system FS840 Manual