Mitsubishi Electric FR-F820-00077 Instruction Manual page 90

Control circuit
Confirming the 24 V external power supply input
● During the 24 V external power supply operation, "EV" flickers on the operation panel. The alarm
lamp also flickers. Thus, the 24 V external power supply operation can be confirmed even when
the operation panel is removed.
Fig. 2-43:
● During the 24 V external power supply operation, the 24 V external power supply operation signal
(EV) is output. To use the EV signal, set "68" (positive logic) or "168" (negative logic) in one of Pr. 190
to Pr. 196 (output terminal function selection) to assign function to an output terminal.
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Flickering
Confirming the 24 V external power supply input
Installation and wiring
Flickering
POWER ALARM
I002380E