A-32
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Structure of data record 128
Figure shows the structure of data record 128 for the parameters of the isolated
analog input module SM 331; AI 8 x 16 bits.
Byte 0
Bit number76 543210
Byte 1
Module mode (see Table A-24)
Interference
frequency suppression
Channel group 0
Channel group 1
Channel group 2
Channel group 3
Refer to Table A-25
Byte 2
Measuring method, channel group 0
(refer to Table A-26)
Byte 3
Measuring range, channel group 0
(refer to Table A-26)
Byte 4
Smoothing, channel group 0
(refer to Table A-12)
Byte 5
Measuring method, channel group 1
(refer to Table A-26)
Byte 6
Measuring range, channel group 1
(refer to Table A-26)
Byte 7
Smoothing, channel group 1
(refer to Table A-12)
Figure A-14 Data record 128 for parameters of the SM 331; AI 8 x 16 bits
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