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Inspection, maintenance, and troubleshooting, 0kw to 3.0kw – Yaskawa SGDB User Manual

Page 541

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INSPECTION, MAINTENANCE, AND TROUBLESHOOTING

6.2.3 Internal Connection Diagram and Instrument Connection Examples cont.

532

• 2.0kW to 3.0kW

Three-phase
200 to 230VAC
(50/60 Hz)

Line filter

Power

ON

Power

OFF

Surge

suppressor

Open when

Servo alarm

occurs.

Voltage

detection

isolator

Optional

printed board

(not mounted)

Analog voltage

conversion

Analog monitor

output for observation

Relay

driver

Base driver, Overcurrent

protection isolator

PMW

generator

Digital

current

amplifier

Current

reference

operation

Selection

Axis address

Serial port

Speed

control

Position

control

PG

signal

proces-

sing

Divi-

der

Reference

pulse pro-

cessing

Servomotor

(PG output)

(Reference pulse

input)

(Speed/torque

reference input)

(Sequence

input/output)

Digital operator,

personal computer

FAN2 is not

used for 2.0 kW

Gate driver

isolator

Current

detection

DC/DC

conver-

sion

Voltage

adjust-

ment

Voltage

detection

isolator

+10
−15

%

SGDB

-CCjjAA

SGDB

-CBjjAA

6