Siemens SIMATIC S7-1200

Technical specifications
A.14 Analog signal boards (SBs)
S7-1200 Programmable controller
1526 System Manual, V4.2, 09/2016, A5E02486680-AK
A.14.5.2
Selection tables for the SB 1231 RTD
Table A- 234 Ranges and accuracy for the different sensors supported by the RTD modules
Temperature
coefficient
RTD type
Under range
minimum
1
Nominal
range
low limit
Nominal
range
high limit
Over range
maximum
2
Normal
range accu-
racy @
25 °C
Normal
range accu-
racy -20 °C
to 60 °C
Pt 0.003850
ITS90
DIN EN 60751
Pt 100 climatic
-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
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 ° ±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 are reported as -32768.
2
RTD values above the over-range maximum value are reported as +32768.