A-18
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Temperature coefficient of the SM 331; AI 8 x RTD
The table below contains the codes for the temperature coefficient which you enter
in the corresponding byte of data record 128 (refer to Figure A-5).
Table A-11 Codes of Temperature Coefficients of the SM 331; AI 8 x RTD
Temperature coefficient Code
Pt0.003850 Ω/Ω/°C (IPTS-68) 2#0000
Pt0.003916 Ω/Ω/°C 2#0001
Pt0.003902 Ω/Ω/°C 2#0010
Pt0.003920 Ω/Ω/°C 2#0011
Pt0.003850 Ω/Ω/°C (ITS-90) 2#0100
Ni 0.006180 Ω/Ω/°C 2#1000
Ni 0.006720 Ω/Ω/°C 2#1001
Cu0.00427 Ω/Ω/°C 2#1100
Smoothing of the SM 331; AI 8 x RTD
The table below contains the codes for all smoothing modes, which you enter in
the corresponding byte of data record 128 (refer to Figure A-5).
Table A-12 Codes Smoothing of the SM 331; AI 8 x RTD
Smoothing Code
None 2#00
Low 2#01
Average 2#10
High 2#11
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