Siemens Simatic S7-300 - Page 489

Parameter Sets for Signal Modules
A-21
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Structure of data record 128
The figure below shows the structure of data record 128 for SM 331;
AI 8 x TC.
Byte 0
76 543210
Byte 1
Module filtering mode (refer to Table A-14)
Interference suppression
Channel group 0
Channel group 1
Channel group 2
Channel group 3
(refer to Table A-15)
Byte 2
Measuring method, channel group 0
(refer to Table A-16)
Byte 3
Measuring range, channel group 0
(refer to Table A-16)
Byte 4
Reaction with open thermocouple, channel group 0
(refer to Table A-17)
Byte 5
Measuring method, channel group 1
(refer to Table A-16)
Smoothing, channel group 0 (refer to Table A-18)
Byte 6
Measuring range, channel group 1
(refer to Table A-16)
Byte 7
Reaction with open thermocouple, channel group 1
(refer to Table A-17)
Smoothing, channel group 1 (refer to Table A-18)
Figure A-9 Data Record 128 of the SM 331; AI 8 x TC