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RG511A DC Motor Control

RG501 Series

The RG511A is a dual voltage full-featured regen drive with a field supply in a rugged enclosure. This high performance drive maintains motor speed with automatic motoring and braking torque, while allowing high-duty cycle reversing and braking.

The RG511A has conveniently mounted operators, which include a power on/off switch and separate forward and reverse speed potentiometers so independent speeds for each direction are easily set. Controlling the motor is easy too, by pressing a button on the membrane panel for stop, run, reverse or jog (jog speed is adjustable). The user can also wire in remote pushbuttons in conjunction with the on-board buttons.

Included and wired into the RG511A package is a limit switching logic board. This mini-PLC can operate in one of nine modes between limit switches including continuous cycling, single cycle, dwell and more--including adjustable stop and dwell times!


Contact the factory for volume pricing

Enclosure Maximum
Power Range Field / Shunt
Braking Reversing Isolation
RG511A NEMA 4X 3 115 0 - 90 1/20 - 1/4 .04 - .19 50 / 100 Yes
230 0 - 90 1/20 - 1/4 .04 - .19 100 / 200
0 - 180 1/10 - 1/2 .07 - .37


  • Cycling Mode: Designed to run in automatic cycle, single cycle, or jog mode with 1 or 2 limit switches
  • Membrane Switches: Front cover includes built-in membrane switches
  • Independent Forward and Reverse Speeds: Two potentiometers on front cover allow different speeds in the forward and reverse directions
  • NEMA 4X Enclosure: Water resistant and dust proof enclosure
  • Field Supply: Voltage output to energize the field winding of a shunt-wound motor
  • On-board Fusing: Drives include on-board fusing
  • 4Q Reversing: Regenerative / 4-Quadrant drives have the ability to perform quick and contractorless braking and/or reversing-on-the-fly
  • Tach Feedback: Accepts tachogenerator feedback for tighter speed regulation
  • Case LEDs: Forward, Reverse, Stop, Jog
  • Pre-Wired Switches: ON/OFF

Technical Data

  • 1.37 Form Factor
  • 1% Base Speed Regulation
  • 0.1% Base Speed Regulation with Tach Feedback
  • 60:1 Speed Range

Trim Pots

  • Maximum Speed
  • Minimum Speed
  • Forward Acceleration
  • Forward Deceleration
  • Forward Torque
  • Reverse Torque
  • IR Compensation
  • Tach Feedback
  • Deadband
  • Forward Jog
  • Reverse Jog
  • Dwell Time