Mitsubishi Electric FR-A7AL Instruction Manual page 11

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Terminal
Terminal (Signal) Name Specification
Symbol
Encoder A-phase signal
PA
input
Encoder A-phase inverse
PAR
signal input
Encoder B-phase signal
PB
input
Encoder B-phase inverse
PBR
signal input
Encoder Z-phase signal
PZ
input
Encoder Z-phase inverse
PZR
signal input
Power supply (positive
PG
side) input
SD
Power ground
CAUTION
When the input power supply voltage to the encoder and its output voltage differ, the signal loss detection
(E.ECT) may occur.
Differential line
driver/
A-, B- and Z-phase signals are input from the encoder.
complementary
Input terminal for the encoder power supply.
Connect the external power supply (5V, 12V, 15V, 24V)
and the encoder power cable. When the encoder output
is the differential line driver type, only 5V can be input.
Make sure the voltage of the external power supply is the
same as the encoder output voltage. (Check the encoder
specification.)
PRE-OPERATION INSTRUCTIONS
Description
1
5

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