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

Maintenance

7.1

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 PROFINET IO
When an I/O device fails in an PROFINET IO line, the line remains active up to the failed I/O
device. After the I/O device has been replaced, the devices of the line log in automatically in
PROFINET IO.
Procedure
To replace an I/O device, follow these steps:
1. Disconnect the supply voltage to the I/O device to be replaced.
2. Completely remove all cables connected to the I/O device.
3. Loosen the fixing screws of the I/O device completely.
4. Replace the I/O device.
Note
"New" I/O device
Replace the remote I/O device with an I/O device of the same type.
5. Fasten the I/O device with a torque of 3 Nm.
6. Connect all cables.
7. Turn the supply voltage on.
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Distributed I/O system ET 200eco PN M12-L
System Manual, 06/2021, A5E48753295-AC
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