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