Siemens SIMATIC User Manual

Diagnostics data of signal modules
B.5 Diagnostics data of SM 331; AI 6 x TC isolated
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ
593
B.5 Diagnostics data of SM 331; AI 6 x TC isolated
Introduction
The section below describes the structure and content of the various bytes in diagnostics
data. 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)
Figure B-9 Diagnostic data records 0 and 1

Siemens SIMATIC Specifications

General

Product type designation	SIMATIC
CPU	Varies by model
Memory	Varies by model
Input/Output	Varies by model
Communication	Varies by model
Programming Language	STEP 7
Operating Temperature	0°C to 60°C (varies by model)
Protection Class	IP20
Category	Programmable Logic Controller (PLC)