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Selection Tables For The Sm 1231 Rtd - Siemens SIMATIC S7-1200 System Manual

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

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