Siemens S7-300 - Page 312

Diagnostics data of the signal modules
A.2 Structure and Content of Diagnostic Data
Fail-safe signal modules
312 Installation and Operating Manual, 01/2010, A5E00085586-10
Diagnostics with SM 336, F-AI 6 x 0/4 ... 20 mA HART
The figure below shows the contents of bytes 4 to 19 of the diagnostics data.
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Figure A-10 Diagnostics data record as of byte 4 with SM 336, F-AI 6 x 0/4 ... 20 mA HART