553BTechnical specifications
A.7 Thermocouple and RTD signal modules (SMs)
S7-1200 Programmable controller
System Manual, 11/2011, A5E02486680-05
717
A.7.2.1
Selection tables for the SM 1231 RTD
Table A- 104 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
accuracy
@ 25°C
Normal
range
accuracy
0°C to 55°C
Pt 10
-243.0°C
-200.0°C
850.0°C
1000.0°C
±1.0°C
±2.0°C
Pt 50
Pt 100
Pt 200
Pt 500
Pt 0.003850
ITS90
DIN EN 60751
Pt 1000
-243.0°C
-200.0°C
850.0°C
1000.0°C
±0.5°C
±1.0°C
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 0.003902
Pt 0.003916
Pt 0.003920
Pt 1000
-243.0°C
-200.0°C
850.0°C
1000.0°C
± 0.5°C
±1.0°C
Pt 10
-273.2°C
-240.0°C
1100.0°C
1295°C
±1.0°C
±2.0°C
Pt 50
Pt 100
Pt 0.003910
Pt 500
-273.2°C
-240.0°C
1100.0°C
1295°C
±0.8°C
±1.6°C
Ni 100
Ni 120
Ni 200
Ni 500
Ni 0.006720
Ni 0.006180
Ni 1000
-105.0°C
-60.0°C
250.0°C
295.0°C
±0.5°C
±1.0°C
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 10
-60.0°C
-50.0°C
200.0°C
240.0°C
±1.0°C
±2.0°C
Cu 50
Cu 0.004260
Cu 100
-60.0°C
-50.0°C
200.0°C
240.0°C
±0.6°C
±1.2°C
Cu 10
-240.0°C
-200.0°C
200.0°C
240.0°C
±1.0°C
±2.0°C
Cu 50
Cu 0.004280
Cu 100
-240.0°C
-200.0°C
200.0°C
240.0°C
±0.7°C
±1.4°C
1
RTD values below the under-range minimum value report -32768.
2
RTD values above the over-range maximum value report -32767.
