Using outputs on Mitsubishi PLC to control motor

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Fran Repash

I'm having trouble getting outputs to control an inverter to regulate speed of a motor. I can run the motor from the PU operation of the inverter but when I switch to the external mode, the corresponding LEDs on the PLC light up but there is no output voltage. I believe the program was tempered with but I have no means of interfacing. Any suggestions.
 
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