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Page 1
High-Torque DC Motor Driver w/t PWM Interface [RMCS-230X]
RHINO MOTION CONTROLS
RMCS-2302
50V 20A DC motor driver w/t PWM speed control
(Max. 50Vdc and 20A)
Installation Manual and Datasheet
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http://www.rhinomotioncontrols.com
Page 2
High-Torque DC Motor Driver w/t PWM Interface [RMCS-230X]
RHINO MOTION CONTROLS
RMCS-2302
50V 20A DC motor driver w/t PWM speed control
(Max. 50Vdc and 20A)
Key Features
• Smooth and quiet operation at all speeds
• Zero-Backlash DC Servo Motor Performance
• Input supply voltage from 12VDc to 50VDC
• Selectable Gain Multiplier
• Selectable Error Limit
• Pots for tuning of Speed, Back Emf and Dampness.
• LED indication for power and error states
Description
Thank you for purchasing RMCS-2302 50V 20A drive/controller. The Speed and Direction of the DC motor
are controlled by PWM and DIRECTION digital interface.
Technical Specifications
Specification
Min Max Units Comments
Supply Voltage
12 50
Volts DC
Between +Ve and GND
Current
0.5 20
Amps
Current Limit Pot
DIR voltages
0 5 Volts DC
Between + and – input pins
Ambient Temp.
0 70
Celsius
Humidity 0
95% Non condensing
PWM Frequency
1 20
kHz
Mechanical Specifications
Specification
Details
Dimensions (L * W * H)
Weight
Heat Sink
Mounting Screw Holes
100mm * 75mm *25mm
155gms
Anodized Aluminum 3mm thickness
3.6mm minimum diameter
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http://www.rhinomotioncontrols.com
Page 3
High-Torque DC Motor Driver w/t PWM Interface [RMCS-230X]
RHINO MOTION CONTROLS
RMCS-2302
50V 20A DC motor driver w/t PWM speed control
(Max. 50Vdc and 20A)
Power and Motor Terminal Assignments
Terminal No.
Terminal Name
Description
Terminal 1
GND
Power Ground or Power –Ve
Terminal 2 +V
Power +Ve (12VDC to 50VDC Max wrt. GND)
Terminal 3
Motor 1
DC motor connection 1
Terminal 4
Motor 2
DC motor connection 2
INPUT Terminal Assignments
Terminal No.
Terminal Name
Description
Terminal 1
PWM+
PWM signal input
Terminal 2
PWM-
GND
Terminal 3
DIR+
0/5V input for altering DIR
Terminal 4
DIR-
GND
Potentiometer settings
(From left of board)
Pot No. Pot Name Description
Pot 1
Pot 2
Pot 3
Proportional Gain
Proportionally increase or decrease the speed gain
Integral Gain
To compensate for load using back EMF setting
Differential Gain
To reduce or increase the dampness of the PWM and direction input
Power Supply Selection
A high-torque DC motor requires high current during startup and during high load or irregular load
conditions. The general rule of thumb to make sure your power supply is adequate for a DC motor is to
make sure it can supply the maximum current required by the motor during stall condition. It is also good
practice to have sufficient low –ESR decoupling capacitors on the output of the supply before you connect
it to a DC motor drive. This is to make sure that the motor driver does not reset or suffer from variations
in speed due to an insufficient or unregulated supply.
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Page 4
High-Torque DC Motor Driver w/t PWM Interface [RMCS-230X]
RHINO MOTION CONTROLS
RMCS-2302
50V 20A DC motor driver w/t PWM speed control
(Max. 50Vdc and 20A)
Service and Support
Service and support for this product are available from the Rhino Motion Controls Web site (http://www.rhinomc.com) and
our customer service email: info@rhinomc.com
Six-Month Warranty
Rhino Motion Controls (rhinomc.com) warrants its products against defects in materials and workmanship for a period of 6
months from shipment delivery. During the warranty period, Rhino Motion Controls will either, at its option, repair or
replace products which proved to be defective.
Exclusions
The above warranty does not extend to any product damaged by reasons of improper or inadequate handlings by
customer, improper or inadequate customer wirings, unauthorized modification or misuse, or operation beyond the
electrical specifications of the product and/or operation beyond environmental specifications for the product.
Obtaining Warranty Service
To obtain warranty service, please contact our customer service department at info@rhinomc.com before returning
product for service. Please make sure that you have gone through this entire installation manual and datasheet before
deciding that your product is liable for replacement or repair under this 6-month warranty Customer shall prepay shipping
charges for products returned to Rhino Motion Controls for warranty service, and Rhino Motion Controls shall pay for
return of products to customer.
Warranty Limitations
Rhino Motion Controls makes no other warranty, either expressed or implied, with respect to the product. Rhino Motion
Controls specifically disclaims the implied warranties of merchantability and fitness for a particular purpose. Some
jurisdictions do not allow limitations on how long and implied warranty lasts, so the above limitation or exclusion may not
apply to you. However, any implied warranty of merchantability or fitness is limited to the 6-month duration of this written
warranty.
Disclaimer
Copyright © Rhino Motion Controls, 2012
Neither the whole nor any part of the information contained in, or the product described in this manual, may be adapted or
reproduced in any material or electronic form without the prior written consent of the copyright holder.
This product and its documentation are supplied on an as-is basis and no warranty as to their suitability for any particular
purpose is either made or implied.
This document provides preliminary information that may be subject to change without notice.
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