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Summary of Contents for Servo Dynamics 1525-BRS
- Page 1 1525-BRS SERVO DRIVE FOR BRUSH SERVOMOTORS USER GUIDE September 2004...
- Page 2 Important Notice This document is subject to the following conditions and restrictions: • This document contains proprietary information belonging to Servo Dynamics. This information is provided for the purpose of assisting users of the servo drive in its installation. • The text and graphics in this document are for the purpose of illustration and reference only.
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Page 3: Table Of Contents
J1 – Control I/O Connection ....................9 3.3.2 J2 - Servomotor Connection....................10 Wiring Diagram ......................11 3.4.1 DynaDrive 1525-BRS and Motor with Encoder ..............11 Potentiometers -Adjustments ..................12 Operational Modes......................13 Torque Mode......................... 13 4.1.1 Torque Mode – Factory Potentiometer Settings..............13 4.1.2... -
Page 4: Introduction
(torque and velocity) and troubleshooting procedures for the brush DynaDrive 1525-BRS. Description The DynaDrive 1525-BRS supplies 15 amps continuous current and 25 amps peak current at 164 VDC for a total of 2460 watts of continuous power. The DynaDrive is a current source type PWM amplifier. -
Page 5: Technical Specifications
Weight 2.4 lbs Ambient Temperature – Operating 0 °C to 50 °C Shutdown Temperature 80 °C at heat sink Relative Humidity 5 - 95% non-condensing Table 1: Technical Specifications for DynaDrive 815 – BR-3 DynaDrive 1525-BRS - User Guide Page... -
Page 6: Safety Information
Safety Information 2. Safety Information Electrical Cautions Make sure that all voltages and tests are made with battery powered or electrically isolated instruments. DynaDrive 1525-BRS - User Guide Page... -
Page 7: Installation
3. Installation Matching the DynoDrive to the Motor The factory preset potentiometer settings of the DynaDrive 1525-BRS may need to be adjusted to match the continuous current rating of your motor. To accomplish this, find the continuous current rating of the motor to be used and adjust the RMS, PEAK CURR LIMIT and SIGNAL pot per Table 2 below. -
Page 8: Mounting Dimensions
Installation Mounting Dimensions Note: Units in inch DynaDrive 1525-BRS - User Guide Page... -
Page 9: Connector Information
Current monitor output. +/- 4 VDC out equals approx. +/- 25 CURR MONITOR OUT amps. Normally pulled up to +12 volts thru a 10 K resistor. Will sink 10 FAULT OUTPUT mA max to ground when a fault occurs. COMMON See pin 3 above. DynaDrive 1525-BRS - User Guide Page... -
Page 10: J2 - Servomotor Connection
Installation 3.3.2 J2 - Servomotor Connection Label Description MOTOR + Output power to motor MOTOR - Output power to motor DynaDrive 1525-BRS - User Guide Page... -
Page 12: Potentiometers -Adjustments
The RMS potentiometer is for changing the level of the RMS current. The amplifier is capable of providing maximum RMS current when fully CW. The minimum current is approximately 0 amps when fully CCW. DynaDrive 1525-BRS - User Guide Page... -
Page 13: Operational Modes
Torque Mode 4.1.1 Torque Mode – Factory Potentiometer Settings The DynaDrive 1525-BRS is shipped in the torque mode by installing the torque mode jumper at J3 and presetting the potentiometers for the torque mode. The factory potentiometer settings for the torque mode are as follows: (See ADJUSTMENTS section for a more complete description of the potentiometer functions). -
Page 14: Torque Mode - Setup
Operational Modes 4.1.2 Torque Mode - Setup The factory preset potentiometer settings are adjusted for the torque mode operation. To set up and run the DynaDrive 1525-BRS in the torque mode, perform the following: 1. Turn power off. 2. Remove J1. -
Page 15: Velocity Mode
To match the motor to the DynaDrive 1525-BRS, set the RMS and SIGNAL pots per Table 2. Set the PEAK CURR LIMIT pot to full CCW. Set the remaining pots per Table 4 below. Now perform the Velocity Mode Setup procedure on the next page. -
Page 16: Velocity Mode- Setup
Operational Modes 4.2.2 Velocity Mode- Setup To set up and run the DynaDrive 1525-BRS in the Velocity mode, perform the following: 1. Turn power off. 2. Remove J1. 3. Check all wiring connections. Verify that the J3 jumper is removed. -
Page 17: Troubleshooting
• Over temperature - The heat sink has exceeded 80 °C. An over temperature condition may exist for the following reasons: 1. Insufficient airflow across the heat sink. 2. Ambient cabinet temperature too high. DynaDrive 1525-BRS - User Guide Page... -
Page 18: Other Conditions
TACH input wiper COMPPENSATION POT wiper PEAK CURR LIMIT POT wiper TACH IN signal directly connected to J1, pin 3 thru a 10K resistor RMS current setting pot wiper Front-end opamp output (J3, pin 2) DynaDrive 1525-BRS - User Guide Page... -
Page 19: Contact Information
Troubleshooting Contact Information If you are unable to resolve the problem, consult our web page located at: http://www.servodynamics.com/ Contact the service department at Servo Dynamics: Servo Dynamics 21541 Nordhoff Street Chatsworth, CA 91311 U.S.A. Tel: +1 (818) 700 8600 Fax: +1 (818) 718 6719...
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