Cleaning - Siemens SIMATIC ET 200iSP Operating Instructions Manual

Maintenance

7.5 Cleaning

Procedure
1. Check that the cable inlets in the enclosure are sealed and intact.
2. Check whether there is any water or dust inside the enclosure. If there is, find out how it
got there.
3. Check that the wiring is secure (connectors, cables).
7.5 Cleaning
Safety information for zone 1 and zone 2
Plastics can develop an electrostatic charge when they are cleaned. If you are operating the
ET 200iSP in zone 1 or zone 2, this can represent a danger:
Clean the ET 200iSP only with damp cloths.
A sign with the warning "Clean the ET 200iSP only with damp cloths" must be placed inside
the enclosure.
Following cleaning, run a functional check of the ET 200iSP.
Safety information for zone 21 and zone 22
The dust layer on the enclosure of the ET 200iSP must not exceed a depth of 5 mm.
Remove the dust layer on the enclosure at regular intervals! During cleaning, make sure there
is no risk of explosion!
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WARNING
WARNING
Operating Instructions, 11/2017, A5E00247483-07
ET 200iSP