Diagnostics Data of Signal Modules
B-7
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
B.4 Diagnostic Data of the SM 338; POS-INPUT
The structure and contents of the different bytes of the diagnostic data for position
detection module SM 338; POS-INPUT are described below. The following general
rule applies: When an error occurs, the bit concerned is set to “1”.
Section 5.4 includes a description of possible error causes and appropriate
remedies.
Bytes 0 and 1
Byte 0
76 0
Module problem
Internal malfunction
External malfunction
Channel error present
Module not parameterized.
Incorrect parameter in the module
54321
Byte 1
76 0
Channel information available
54321
Module class 05
H
00
00
0
Figure B-8 Bytes 0 and 1 of the Diagnostic Data for the SM 338; POS-INPUT
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