Diagnostics data of signal modules
B.4 Diagnosis data from the SM 322; DO 16 x DC24 V/0.5 A (6ES7322-8BH10-0AB0)
S7-300 Module data
590 Manual, 06/2017, A5E00105505-AJ
B.4 Diagnosis data from the SM 322; DO 16 x DC24 V/0.5 A
(6ES7322-8BH10-0AB0)
Introduction
The section below describes the structure and content of the various bytes in diagnostics
data. In the bytoes 0...3, module errors are reported - errors that affect the entire module.
Starting at byte 4, channel-specific errors are reported.
General rule: A fault is indicated by a logic "1" at the relevant bit.
Byte 0 to byte 3 (diagnostic data records 0 and 1)
Through entries in the diagnostic bytes byte 0 (bit 4...7) byte 2 and byte 3, module errors are
reported, which cannot be turned off through the setting of the module.
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