Weidmuller CNDR - Universal galvanically isolated signal converter - Handbuch (Seite 19)

1
Equipmentrequirements
• Suitable precision 50 Ω, 200 Ω, 1 kΩ, 5 kΩ resistors (±0.05 % or
better accuracy)
• An Rtd simulator with ±0.05 % or better accuracy
• An accurate digital multimeter (accurate to 0.05 mV and ±0.1 μA)
Terminalconnectionsforinputcalibration
CalibrationStage Signaltype Terminal
Calibrating resistance
2
3
Pt100 RTD simulator
A 4
B 5
Bsense 6
Inputcalibrationprocedure
Whenthe
displayshows
Action/Description ENT ï
Put the instrument in setup mode
1.10
While the software version number is flashing,
remove the security link and press
ENT
rlay Display indicates that unit is /R type, press ENT
CIPn Press Å or ì to Calibrate the inputs or ENT to skip
CIPy Calibrate inputs? Start No
Connect the RTD Simulator to the inputs (for connections see over page).
OPEN Leave inputs 2 & 3 open circuit Calibrate Skip
20.00 Connect 50 Ω resistor Calibrate Skip
5.00 Connect 200 Ω resistor Calibrate Skip
1.00 Connect 1 kΩ resistor Calibrate Skip
0.20 Connect 5 kΩ resistor Calibrate Skip
rCLy Calibrate RTD Sensor? Start No
0C Set the RTD Simulator to 0 °C Calibrate Skip
200C Set the RTD Simulator to 200 °C Calibrate Skip
COPn Press Å or ì to Calibrate the outputs or ENT to skip to the next setup item