Mitsubishi Electric FR-A7AP Instruction Manual page 15

INSTALLATION
(2) Connection with the NC (numerical controller)
When one position detector is shared between the FR-A7AP and NC, its output signal should be
connected as shown on the right. In this case, the wiring length between the FR-A7AP and NC should
be as short as possible, within 5m.
10
Position detector
Inverter
(FR-A7AP)
Maximum 5m
(two parallel cables)
Encoder
NC