23
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
3.4.3
Fitting the Ex power relay and Ex interface relays
▸
Install the Ex power relay (SR853) and the Ex interface relays (SR852) near the
MCS300P Ex.
3.4.4
Connecting the tubes of the measured and test medium
3.4.5
Connecting the protective gas
Fig. 5: Protective gas connections for MCS300P Ex category 2G
Fig. 6: Protective gas connections for MCS300P Ex category 3G
→
Ex power relay (SR853) Manual and Ex interface relays (SR852) Manual.
The operator is responsible for correct connection of the tubes of the measured
medium as well as for the supply with zero and test medium.
Information
→
Operating Instructions of the connected cell.
Protective gas inlet:
G 3/8" thread or
hose connection for 8 mm diameter
Protective gas outlet:
Enclosure 2G: G 1" thread
Protective gas inlet:
G 3/8" thread or
hose connection for 8 mm diameter
Protective gas outlet:
Enclosure 3G: G
3
/
4
" thread