Mitsubishi Electric FR-A800, Instruction Manual

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Connection of motor with encoder (vector control) Installation and wiring
2 - 62
Terminals of the FR-A8AP
Terminal
symbol
Terminal name Description
PA1 Encoder A-phase signal input terminal
A-, B- and Z-phase signals are input from the encoder.
PA2 Encoder A-phase inverse signal input terminal
PB1 Encoder B-phase signal input terminal
PB2 Encoder B-phase inverse signal input terminal
PZ1 Encoder Z-phase signal input terminal
PZ2 Encoder Z-phase inverse signal input terminal
PG Encoder power supply (positive side) input terminal
Input terminal for the encoder power supply.
Connect the external power supply (5 V, 12 V, 15 V,
24 V) and the encoder power cable. When the encoder
output is the differential line driver type, only 5 V can
be input. Make the voltage of the external power
supply same as the encoder output voltage.
(Check the encoder specification.)
SD Encoder power supply ground terminal
PIN
Not used.
PO
Tab. 2-30: Terminals of the FR-A8AP
NOTES When the encoder's output voltage differs from its input power supply voltage, the signal loss
detection (E.ECT) may occur.
Incorrect wiring or faulty setting to the encoder will cause a fault such as an overcurrent (E.OC
첸
)
and an inverter overload (E.THT).
Correctly perform wiring and setting to the encoder.