Mitsubishi Electric FR-A800, Instruction Manual

Page: 94 / 1042

Connection of motor with encoder (vector control) Installation and wiring
2 - 64
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Motor and switch setting
Set according to the motor (encoder).
Prepare an encoder's power supply (5 V/12 V/15 V/24 V) according to the encoder's output voltage.
When the encoder output is the differential line driver type, only 5 V can be input.
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Encoder specification
Motor
Encoder type selection
switch (SW3)
Terminating resistor
selection switch (SW1)
Power supply
specification
Mitsubishi standard motor with
encoder
Mitsubishi high-efficiency motor with
encoder SF-JR Differential ON 5 V
SF-HR Differential ON 5 V
Other
Mitsubishi constant-torque motor
with encoder
SF-JRCA Differential ON 5 V
SF-HRCA Differential ON 5 V
Other
Vector control dedicated motor SF-V5RU Complementary OFF 12 V
Other manufacturer's motor with encoder
Tab. 2-31: Motor used and switch setting
NOTE The SW2 switch is for manufacturer setting. Do not change the setting.
Item Encoder for SF-JR Encoder for SF-V5RU
Resolution 1024 pulses/rev 2048 pulses/rev
Power supply voltage 5 V DC ±10% 12 V DC ±10%
Current consumption 150 mA 150 mA
Output signal form
A, B phases (90° phase shift)
Z phase: 1 pulse/rev
A, B phases (90° phase shift)
Z phase: 1 pulse/rev
Output circuit Differential line driver 74LS113 equivalent Complementary
Output voltage
H level: 2.4 V or more
L level: 0.5 V or less H level: (Power supply for encoder-3V) or more
L level: 3 V or less
Tab. 2-32: Encoder specification