Parameter sets of signal modules
A.5 Parameters of analog input module SM 331; AI 8 x RTD
S7-300 Automation System Module data
Manual, 08/2006, A5E00105505-04
A-17
Measuring method Code Measuring range Code
Thermal resistance + linearization 3-wire
connection
2#1001 Pt 100 Klima
Ni 100 Klima
Pt 100 Standard
Ni 100 Standard
Pt 500 Standard
Pt 1000 Standard
Ni 1000 Standard
Pt 200 Klima
Pt 500 Klima
Pt 1000 Klima
Ni 1000 Klima
Pt 200 Standard
Ni 120 Standard
Ni 120 Klima
Cu 10 Klima
Cu 10 Standard
Ni 200 Standard
Ni 200 Klima
Ni 500 Standard
Ni 500 Klima
Pt 10 GOST climatic
Pt 10 GOST Standard
Pt 50 GOST climatic
Pt 50 GOST climatic
Pt 100 GOST climatic
Pt 100 GOST Standard
Pt 500 GOST climatic
Pt 500 GOST Standard
Cu 10 GOST climatic
Cu 10 GOST Standard
Cu 50 GOST climatic
Cu 50 GOST Standard
Cu 100 GOST climatic
Cu 100 GOST Standard
Ni 100 GOST climatic
Ni 100 GOST Standard
2#00000000
2#00000001
2#00000010
2#00000011
2#00000100
2#00000101
2#00000110
2#00000111
2#00001000
2#00001001
2#00001010
2#00001011
2#00001100
2#00001101
2#00001110
2#00001111
2#00010000
2#00010001
2#00010010
2#00010011
0x14
0x15
0x16
0x17
0x18
0x19
0x1A
0x1B
0xC
0xD
0xE
0xF
0x20
0x30
0x22
0x23
Temperature coefficient of SM 331; AI 8 x RTD
The table below contains the temperature coefficient codes to be entered at the
corresponding byte of data record 128 (refer to the previous figure.)
Table A-11 Temperature coefficient codes of SM 331; AI 8 x RTD
Temperature coefficient Code
Pt 0.003850 Ω/Ω/°C (IPTS-68) 2#0000
Pt 0.003916 Ω/Ω/°C 2#0001
Pt 0.003902 Ω/Ω/°C 2#0010
Pt 0.003920 Ω/Ω/°C 2#0011
Pt 0.003850 Ω/Ω/°C (ITS-90) 2#0100
Pt 0.003910 Ω/Ω/°C 2#0101
Pt 0.006170 Ω/Ω/°C 2#0111
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