Mitsubishi Electric FR-F740 EC Instruction Manual page 56

Control circuit specifications
Set Pr. 73, Pr. 267, and a voltage/current input switch correctly, then input an analog signal
in accordance with the setting.
Applying a voltage signal with voltage/current input switch on (current input is selected) or
a current signal with switch off (voltage input is selected) could cause component damage
of the inverter or analog circuit of signal output devices. (For details, refer to section 6.15.1.)
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Wiring