Module Diagnostics Byte 2; Module Diagnostics Byte 3; Incorrect Measuring Range Module; Hardware Fault - Siemens SIMATIC S7-300 Manual

Data exchange with SM 335
3.4 Evaluating the diagnostics data of SM 335
3.4.5

Module diagnostics byte 2

Structure
Module diagnostics bytes 2 and 3 indicate error states.
Figure 3-12

Incorrect measuring range module

Bit 0 in module diagnostic byte 2 is set if SM 335 detects a missing or incorrectly inserted
measuring range module.
Operating status
Bit 2 is set in module diagnostics byte 2 if SM 335 does not have a valid parameterization.

Hardware fault

Bit 3 is set in module diagnostics byte 2 if SM 335 detects an internal hardware fault. SM 335
outputs 0 V in this case, all inputs return 7FFF
3.4.6

Module diagnostics byte 3

Structure
Module diagnostics bytes 3 and 2 indicate error states.
Figure 3-13
64
Module diagnostics byte 2
Module diagnostics byte 3
, and the counter input is set to FF FF FF
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SM 335 - High-speed analog mixed module for SIMATIC S7-300
Manual, 02/2009, A5E02409063-01
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