Special Signal modules
5-18
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Diagnostic messages of the SM 338; POS INPUT
The table below gives an overview of the diagnostic messages for the SM 338.
Table 5-5 Diagnostic messages of the SM 338; POS INPUT
Diagnostics Message
LED Scope of the Diagno-
stics
Module problem SF Module
Internal malfunction SF Module
External malfunction SF Module
Channel error present SF Module
External auxiliary supply missing SF Module
Module not parameterized. SF Module
Wrong parameters SF Module
Channel information available SF Module
Time monitoring triggered SF Module
Channel error present SF Channel
(encoder input)
Configuring/parameter assignment error SF Channel
(encoder input)
External channel error (encoder fault) SF Channel
(encoder input)
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