Siemens SIMATIC ET 200eco PN - Page 175

I/O device analog input/analog output
10.1 I/O device analog input
ET 200eco PN
Operating Instructions, 08/2016, A5E01250250-AJ
175
Parameters
Range of values
Default setting
Range of effectiveness
Smoothing
• None
• Weak
• Medium
• Strong
None
Channel
Diagnostics, wire break
• Disable
• Enable
Disable Channel
Diagnostics, underflow
• Disable
• Enable
Disable
Channel
Diagnostics, overflow
• Disable
• Enable
Disable Channel
1
This value can also be shown as α = 0.00385055 in the parameter assignment.
Measuring type with 8 AI RTD
The following table lists the temperature coefficients and measuring ranges you can assign
for each measurement type:
Measurement type
Temperature coefficient
Measuring range
Thermoresistor 4-conductor
Thermoresistor 3-conductor
Thermoresistor 2-conductor
Pt 0.003851
1, 2
/
Pt 0.003916/
Pt 0.003902/
Pt 0.003920
Pt100 Climatic range /
Pt100 Standard range /
Pt200 Climatic range /
Pt200 Standard range /
Pt500 Climatic range /
Pt500 Standard range /
Pt1000 Climatic range /
Pt1000 Standard range
Ni 0.006180
1
/
Ni 0.006720/
Ni 0.005
3
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
The default settings for the temperature coefficients apply according to the standard EN60751.
2
This value can also be shown as α = 0.00385055 in the parameter assignment.
3
The thermoresistor LG-Ni1000 corresponds to the thermoresistor Ni1000 with the temperature coef-
ficient 0.005
Note
For a thermoresistor, the climatic type is only possible with temperature units Celsius
(°C)
and Fahrenheit (°F).