Selection Tables For The Sb 1231 Rtd - Siemens SIMATIC S7 System Manual
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553BTechnical specifications
A.9 Analog signal boards (SBs)
Table A- 144 Wiring diagram for SB 1231 AI 1 x 16 bit RTD
SB 1213 AI 1 x 16 bit RTD (6ES7 231-5PA30-0XB0)
①
②
③
④
A.9.5.2
Selection tables for the SB 1231 RTD
Table A- 145 Ranges and accuracy for the different sensors supported by the RTD modules
Temperature
RTD type
coefficient
Pt 0.003850
Pt 10
ITS90
Pt 50
DIN EN 60751
Pt 100
Pt 200
Pt 500
Pt 1000
Pt 0.003902
Pt 100
Pt 0.003916
Pt 200
Pt 0.003920
Pt 500
Pt 1000
740
AI0 -
Loop-back unused RTD input
2-wire RTD
3-wire RTD
4-wire RTD
Under range
minimum
1
-243.0°C
-243.0°C
-243.0°C
Nominal
Nominal
range
range
low limit
high limit
-200.0°C
850.0°C
-200.0°C
850.0°C
-200.0°C
850.0°C
Over range
Normal
maximum
range
2
accuracy @
25°C
1000.0°C
±1.0°C
1000.0°C
±0.5°C
1000.0°C
± 0.5°C
S7-1200 Programmable controller
System Manual, 11/2011, A5E02486680-05
Normal
range
accuracy
0°C to 55°C
±2.0°C
±1.0°C
±1.0°C
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