Servicing During Operation - Siemens SIMATIC ET 200SP HA System Manual

Service and maintenance

9.2 Servicing during operation

9.2 Servicing during operation
Properties
Maintenance of the I/O station is essentially limited to visual inspections. The I/O station can be
in running operation.
Requirements
Note the following:
Special conditions for safe use (Page 37)
Procedure
When the distributed I/O is installed in an enclosure:
• Check the tightness and the integrity of the enclosure's cable entries.
• Check whether water has penetrated. If there is, find out how it got there.
Check that the wiring is secure (connectors, cables).
84
Modules for devices in a hazardous area
System Manual, 04/2021, A5E50165138-AA