Siemens SIMATIC ET 200SP HA System Manual page 74

Removal
7.2 Removing the Ex module group
Requirement
Note
Module in Zone 2
In general, it is not allowed to pull or plug modules in Zone 2.
Before starting work, ensure that no explosive atmosphere is present and that the power supply
is switched off.
Procedure
To remove the Ex power module, proceed as follows:
Step
1
2
3
74
Procedure
Disconnect the supply voltage plug from the Ex power
①
module .
Loosen the two fixing screws on the Ex power module to
②
the Ex BaseUnit .
Pull the Ex power module parallel out of the Ex BaseU‐
③
nit .
Illustration
Modules for devices in a hazardous area
System Manual, 04/2021, A5E50165138-AA