Siemens SIMATIC S7-1200

Technical specifications
A.11 Thermocouple and RTD signal modules (SMs)
S7-1200 Programmable controller
1482 System Manual, V4.2, 09/2016, A5E02486680-AK
A.11.2.1
Selection tables for the SM 1231 RTD
Table A- 178 Ranges and accuracy for the different sensors supported by the RTD modules
Temperature coef-
ficient
RTD type
Under range
minimum
1
Nominal
range low limit
Nominal
range high
limit
Over
range
maxi-
mum
2
Normal
range ac-
curacy
@ 25 °C
Normal range
accuracy
-20 °C to
60 °C
Pt 0.003850
ITS90
DIN EN 60751
Pt 100 climat-
ic
-145.00 °C -120.00 °C 145.00 °C 155.00 °
C
±0.20 °C ±0.40 °C
Pt 10 -243.0 °C -200.0 °C 850.0 °C 1000.0 °
C
±1.0 °C ±2.0 °C
Pt 50
-243.0 °C -200.0 °C 850.0 °C 1000.0 °
C
±0.5 °C ±1.0 °C
Pt 100
Pt 200
Pt 500
Pt 1000
Pt 0.003902
Pt 0.003916
Pt 0.003920
Pt 100 -243.0 °C -200.0 °C 850.0 °C 1000.0 °
C
± 0.5 °C ±1.0 °C
Pt 200
-243.0 °C -200.0 °C 850.0 °C 1000.0 °
C
± 0.5 °C ±1.0 °C
Pt 500
Pt 1000
Pt 0.003910
Pt 10
-273.2 °C
-240.0 °C
1100.0 °C
1295 °C
±1.0 °C
±2.0 °C
Pt 50
-273.2 °C -240.0 °C 1100.0 °C 1295 °C ±0.8 °C ±1.6 °C
Pt 100
Pt 500
Ni 0.006720
Ni 0.006180
Ni 100
-105.0 °C -60.0 °C 250.0 °C 295.0 °C ±0.5 °C ±1.0 °C
Ni 120
Ni 200
Ni 500
Ni 1000
LG-Ni 0.005000 LG-Ni 1000 -105.0 °C -60.0 °C 250.0 °C 295.0 °C ±0.5 °C ±1.0 °C
Ni 0.006170
Ni 100
-105.0 °C
-60.0 °C
180.0 °C
212.4 °C
±0.5 °C
±1.0 °C
Cu 0.004270
Cu 10
-240.0 °C
-200.0 °C
260.0 °C
312.0 °C
±1.0 °C
±2.0 °C
Cu 0.004260
Cu 10
-60.0 °C
-50.0 °C
200.0 °C
240.0 °C
±1.0 °C
±2.0 °C
Cu 50
-60.0 °C -50.0 °C 200.0 °C 240.0 °C ±0.6 °C ±1.2 °C
Cu 100
Cu 0.004280
Cu 10
-240.0 °C
-200.0 °C
200.0 °C
240.0 °C
±1.0 °C
±2.0 °C
Cu 50
-240.0 °C -200.0 °C 200.0 °C 240.0 °C ±0.7 °C ±1.4 °C
Cu 100
1
RTD values below the under-range minimum value report -32768.
2
RTD values above the over-range maximum value report +32767.