Procedure for IC693ALG390 Field Calibration
What you will need:
❍ Calibrated DVM capable of displaying 10VDC +/- 0.1mV.
❍ IBM PC / Compatible running LM90 or a HHP.
❍ Resistor - 2K ohm @ 1% tolerance, Capacitor - 2000pF
❍ Non-Conductive Potentiometer adjuster.
1. Power off the 9030 PLC that has the analog card that is in need of calibration.
2. Remove any field wiring.
3. Wire the Resistor and Capacitor across terminals 3 and 5 as shown.
4. Wire the Voltage input and Common leads on the DVM to terminals 3 and 5 on the Analog Card respectively
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