Siemens SIMATIC ET 200SP HA, System Manual

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8.2 Set the I/O module to the maintenance position
CAUTION
Using the maintenance position
If I/O modules are in the maintenance position, you must ensure the following:
That no dangerous situations can occur by pushing the I/O modules into the terminal block.
You can avoid this in principle if you completely remove the I/O modules from the IO device.
Procedure
Step Procedure Illustration
1 Perform change in runtime: Read section "Removing I/O modules (Page 114)".
2 Simultaneously press the two release buttons
②
on
the top and bottom of the I/O module.
3 Hold down the release buttons and pull the I/O mod‐
ule slightly (approx 3 mm) towards the front and out
of the slot
③
.
Avoid pulling out an I/O module at a slanted angle.
4 Release the release buttons.
5 Pull the I/O module further out of the terminal block
until it locks into the maintenance position. When the
maintenance position has been reached, the I/O
module cannot be fully pulled out without pressing
the release buttons.
Maintenance
8.2 Set the I/O module to the maintenance position
ET 200SP HA Distributed I/O system
System Manual, 08/2019, A5E39261167-AD
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