Maintenance; Replacing An I/O Device - Siemens SIMATIC ET 200eco PN M12-L System Manual

Maintenance

10.1

Replacing an I/O device

Replacing an I/O device
Replacing an I/O device is not permitted during ongoing operation.
NOTICE
Material damage can occur
If you connect or disconnect the I/O devices with the power connected, this can lead to
undefined states in your system.
Material damage to the ET 200eco PN M12‑L distributed I/O device can occur as a result.
Only remove or replace I/O devices when the power is disconnected.
Always comply with the required standards and safety guidelines when configuring a
system.
Behavior of MultiFieldbus
When an I/O device fails in the MultiFieldbus line, the line remains active up to the failed I/O
device. After the I/O device has been replaced, the following I/O devices of the line log in
again automatically in MultiFieldbus.
NOTE
MRP ring with PROFINET
When set up as an MRP ring topology in the PROFINET bus protocol, only the affected I/O
device fails.
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Distributed I/O system ET 200eco PN M12-L
System Manual, 11/2023, A5E48753295-AG
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