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YASKAWA VS-505WII User Manual

YASKAWA VS-505WII
20 pages
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Varispeed-50
1
)W11
INDUSTRIAL
USE
THYRISTOR
CONVERTER
UNITS
Before
initial
operation,
read
these
instructions
thoroughly,
and
retain
for
future
reference
.
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YASKAWA VS-505WII Specifications

General IconGeneral
CategoryMedia Converter
ManufacturerYASKAWA
ModelVS-505WII
Frequency50/60 Hz
Output Voltage24VDC
Weight0.5 kg
Humidity20 to 90% RH (non-condensing)
Cooling MethodNatural convection
Protection FeaturesOvervoltage, Short Circuit

Summary

Wiring Precautions

Main Circuit Wiring

Use 600 V PVC insulated wires or cabtyre cables for AC and DC main circuit terminals.

Field Circuit Wiring

Use 600 V PVC insulated wires for field power and twisted wires for terminals J, K.

Signal Circuit Wiring

Use shielded or twisted wires for speed setting, feedback, and tachometer circuits.

Maintenance

Periodic Inspection

Minimum inspection items and procedures for periodic maintenance.

Parts Replacement

Procedures for replacing thyristors, fuses, surge absorbers, and cooling fans.

Troubleshooting Guide

Control Circuit Board Replacement

Steps for replacing the control circuit board and related cautions.

Common Issue Diagnosis

Guide to identify and resolve common troubles like motor not running or failure lamps.

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