Pull Ex I/O Module; Removing An Ex Power Module - Siemens SIMATIC ET 200SP HA System Manual

7.2.2

Pull Ex I/O module

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.
Removing I/O modules
To remove an I/O module, follow these steps:
Step Procedure
1 Simultaneously press the two release buttons
bottom of the I/O module.
2 Hold down the release buttons and pull the I/O module parallel to‐
wards the front and out of the slot
Avoid pulling out an I/O module at a slanted angle.
Additional information
• Plugging in an Ex I/O module or BU cover (Page 57)
• Replacing an Ex I/O module without changing the type (Page 86)
• Replacing an Ex I/O module and changing the type (Page 88)
7.2.3

Removing an Ex power module

Tools required
Screwdriver 4.5 mm or TORX T15 (recommended): For loosening the fixing screws for the Ex
BaseUnit.
Modules for devices in a hazardous area
System Manual, 04/2021, A5E50165138-AA
①
on the top and
②
.
7.2 Removing the Ex module group
Illustration
Removal
73