Weidmuller UPIR - Analog to frequency converter Manual de usuario Pagina 23

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• Calibration
General
The UPI/R is factory calibrated. Once calibrated it will operate with any
input format.
Allow the instrument 15 minutes of powered operation (to reach a
stable temperature) before calibration.
During calibration allow a few seconds for signals to stabilise before
accepting the value.
Equipment requirements
• A suitable current or voltage source
• An accurate digital multimeter (accurate to 0.05 mV and ±0.1 μA)
Terminal connections for input calibration
Calibration Stage Signal type Terminal
Current (mA) inputs
Millivolt source + 2
Millivolt source 3
Voltage (V) inputs
Voltage source + 4
Voltage source − 3
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