Siemens ET 200pro Operating Instructions Manual page 423

Measuring method for 4 AI RTD High Feature
The following table lists the temperature coefficients and measuring ranges you can set for
each measurement method:
Disabled
4-wire resistor
3-wire resistor
2-wire resistor
3-wire thermal resistor
2-wire thermal resistor
4-wire thermal resistor
In accordance with EN 60751, ASTM E 1137, GOST 6651, JIS C1604
1
The preset temperature coefficient is valid for Europe.
2
This value can also be represented as α = 0.00385055 in the parameter assignment.
3
ET 200pro distributed I/O system
Operating Instructions, 03/2013, A5E00335544-08
Measuring method
1
1
1
15.7 Parameter overview for analog electronic modules
Temperature coefficient
–
–
Pt 0.003851 /
2 3
Pt 0.003916/
Pt 0.003902/
Pt 0.003920/
Pt 0.003850
Ni 0.006180 /
2
Ni 0.006720
Pt 0.003851 /
3
Pt 0.003916/
Pt 0.003902/
Pt 0.003920/
Pt 0.003850
Ni 0.006180/
Ni 0.006720
Analog electronic modules
Measuring range
–
150 Ω/300 Ω/600 Ω/3000 Ω
Pt 100 climatic range/
Pt 100 standard range/
Pt 200 climatic range/
Pt 200 standard range/
Pt 500 climatic range/
Pt 500 standard range/
Pt 1000 climatic range/
Pt 1000 standard range
Ni100 climatic range/
NI100 standard range/
Ni120 climatic range/
Ni120 standard range/
Ni200 climatic range/
Ni200 standard range/
Ni500 climatic range/
Ni500 standard range/
Ni1000 climatic range/
Ni1000 standard range
Pt 100 climatic range/
Pt 100 standard range/
Pt 200 climatic range/
Pt 200 standard range/
Pt 500 climatic range/
Pt 500 standard range/
Pt 1000 climatic range/
Pt 1000 standard range
Ni100 climatic range/
Ni100 standard range/
Ni120 climatic range/
Ni120 standard range/
Ni200 climatic range/
Ni200 standard range/
Ni500 climatic range/
Ni500 standard range/
Ni1000 climatic range/
Ni1000 standard range
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