Siemens SIMATIC ET 200SP HA System Manual page 87

Procedure
Please note if necessary: Replacing an Ex I/O module and changing the type (Page 88)
Table 9-2 Replacing an I/O module without changing the type
Step Procedure
1 Perform change in runtime: Read section "Actions during operation - Overview (Page 83)".
2 Simultaneously press the two release buttons
the top and bottom of the Ex I/O module.
Hold down the release buttons and pull the Ex I/O
module parallel towards the front and out of the
②
slot .
Avoid pulling out an Ex I/O module at a slanted angle.
3
1. Remove the loose part of the coding element
from the new Ex I/O module at the rear (see fig‐
ure).
2. Note:
Plug the loose part of the coding element onto
the removed I/O module.
4 • Plug the new Ex I/O module (same module type)
into the Ex BaseUnit until it clicks into place.
Note:
Avoid inserting an Ex I/O module at an angle.
• Mark the new Ex I/O module (labeling strips and
equipment labeling plate).
Note
Coding element
After replacing the I/O module, ensure that the coding plug of the replaced I/O module is
completed again.
Modules for devices in a hazardous area
System Manual, 04/2021, A5E50165138-AA
Illustration
①
on
Service and maintenance
9.4 Change Ex module group
87