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Omron R88D-WT - User Manual

Omron R88D-WT
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USER’S MANUAL
MODELS R88M-Wj
(AC Servomotors)
MODELS R88D-WTj
(AC Servo Drivers)
AC SERVOMOTORS/SERVO DRIVERS
OMNUC W SERIES
Cat. No. I531-E1-09

Table of Contents

Questions and Answers

  • T
    Tammy BrownAug 27, 2025
    What to do if Omron Servo Drives show overspeed?
    • P
      Patricia ThomasAug 27, 2025
      If you're encountering an overspeed error with your Omron Servo Drives, consider the following potential causes and solutions: * If the encoder signal between controllers is wired incorrectly, rewire correctly. * If the Servomotor power line is wired incorrectly, rewire correctly. * If the input command values are too large, input command values correctly. * If Pn300 (speed command scale), and Pn202 and Pn203 (electronic gear) settings are too large, set the parameters correctly. * If the speed limit is not performed during torque control, set Pn407 (speed limit). * If the rotation limit has been exceeded due to overshooting, adjust the gain. Lower the maximum specified speed.
  • J
    Joshua StevensonAug 26, 2025
    How to fix regeneration error on Omron Servo Drives?
    • G
      Gabriel JohnsonAug 27, 2025
      A regeneration error on Omron Servo Drives could be due to: * An error in the regenerative circuit parts. Replace the Servo Driver. * The External Regeneration Resistor is burned out. Replace the External Regeneration Resistor. * Apart from a short-circuit between B2 and B3, the external circuit resistor is not connected. Correctly connect the external circuit resistor (between B1 and B2).

Summary

Standard Models and Specifications

Standard Models

List of standard Servo Drivers, motors, and related cables/connectors.

Servo Driver and Servomotor Combinations

Table showing compatible Servo Driver and Servomotor models.

Servo Driver Specifications

Detailed specifications for OMNUC W-series AC Servo Drivers.

Servomotor Specifications

Performance and general specifications for Servomotors.

System Design and Installation

Installation Conditions

Guidelines for proper installation environment, mounting, and temperature.

Wiring

Operation

Operational Procedure

Preparing for Operation

Trial Operation

User Parameters

Explanation and setting procedures for user-configurable parameters.

Operation Functions

Making Adjustments

Guidelines for tuning servo parameters like gain for optimal performance.

Troubleshooting

Measures when Trouble Occurs

Preventive checks, analysis tools, and general troubleshooting steps.

Alarms

List of alarm codes, detected errors, causes, and countermeasures.

Troubleshooting

Detailed diagnostic procedures based on operating status and error codes.

Omron R88D-WT Specifications

General IconGeneral
TypeServo Drive
ModelR88D-WT
ManufacturerOmron
Ambient Operating Temperature0 to 55°C
Storage Temperature-20 to 85°C
SeriesG5 Series
Supply Voltage200 to 240 VAC
Input Voltage200-230V AC
Control MethodPosition, Speed, Torque control
CommunicationMECHATROLINK-III
Communication InterfaceRS-422/485
Protection FeaturesOverload, Overvoltage, Undervoltage
Humidity5 to 95% RH (non-condensing)
Vibration4.9 m/s²
WeightVaries by model
OutputVaries by model

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