Siemens ET 200pro - Page 423

Analog electronic modules
15.7 Parameter overview for analog electronic modules
ET 200pro distributed I/O system
Operating Instructions, 03/2013, A5E00335544-08
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:
Measuring method
Temperature coefficient
Measuring range
Disabled
–
–
4-wire resistor
3-wire resistor
2-wire resistor
– 150 Ω/300 Ω/600 Ω/3000 Ω
3-wire thermal resistor
1
Pt 0.003851
2 3
/
Pt 0.003916/
Pt 0.003902/
Pt 0.003920/
Pt 0.003850
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
Ni 0.006180
2
/
Ni 0.006720
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
2-wire thermal resistor
1
4-wire thermal resistor
1
Pt 0.003851
3
/
Pt 0.003916/
Pt 0.003902/
Pt 0.003920/
Pt 0.003850
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
Ni 0.006180/
Ni 0.006720
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
1
In accordance with EN 60751, ASTM E 1137, GOST 6651, JIS C1604
2
The preset temperature coefficient is valid for Europe.
3
This value can also be represented as α = 0.00385055 in the parameter assignment.