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Service and maintenance
5.4 Module replacement
Communications module RF120C with application blocks for S7-1200 and S7-1500
Operating Instructions, 07/2013, C79000-G8976-C328-01
61
5.3.3
Warnings
Byte 3 of the STATUS output parameter indicates warnings if byte 0 of the STATUS
(function numbers) has the value "Fxh" or "Dxh".
No warnings are indicated with the RF120C.
5.4
Module replacement
The configuration data of the RF120C is stored on the local CPU. When necessary, this
allows simple replacement of this communications module without needing to re-load the
project data on the module.
When the CM starts up again, the CPU automatically transfers the stored data to the CM.
You will find information on installing/removing a CM in the section "Installing and
commissioning the RF120C (Page 12)".