Siemens SIMATIC C7-635, Руководство пользователя

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Technical Specifications
A-20
C7-635 Control System
A5E00155581-04
Encoder Selection Data
Input ranges (rated value)/input resistance
•
Voltage +/– 10 V/100 k Ω
0 V to 10 V/100 k Ω
•
Current +/– 20 mA/50 Ω
0 mA to 20 mA/50 Ω
4 mA to 20 mA/50
Ω
•
Resistance 0 Ω to 600 Ω /10 M Ω
•
Resistive thermometer Pt 100/10 M Ω
Permissible input voltage (destruction limit)
•
For voltage input Maximum 30 V continuous;
•
For current input Maximum 2.5 V continuous, maximum 24 V transient
Permissible input current (destruction limit)
•
for voltage input Maximum 0.5 mA continuous;
•
For current input Maximum 50 mA continuous;
Connection of signal encoders
•
For voltage measurement Possible
•
For current measurement
As 2-wire measuring
transducer
Possible, with external power supply
As 4-wire measuring
transducer
Possible
•
For measuring resistance
With 2-wire connection
Possible, without cable resistance compensation
With 3-wire connection Not possible
With 4-wire connection Not possible
Linearization of characteristic
curve
By software
•
For resistive thermometer Pt 100
Temperature compensation No
Technical unit for temperature
measurement
Degrees Centigrade/Fahrenheit/Kelvin