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Geckodrive GR214V Manual

Bulletproof step motor drive
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GR214V MANUAL
BULLETPROOF STEP MOTOR DRIVE

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Summary of Contents for Geckodrive GR214V

  • Page 1 GR214V MANUAL BULLETPROOF STEP MOTOR DRIVE...
  • Page 2 This document seeks to quickly get your GR214V up and running and will explain each new feature and its utility for your application.

  • Page 3: Pin Number

    PHYSICAL DIMENSIONS AND PINOUT There are two connectors on the GR214V: A high power connector for motor and power supply connections called CN1 (P2 on the PCB) and a low power signal connector for I/O called CN2 (P1 on the PCB). The pinouts from left to right while facing the connector are below.

  • Page 4: Specification

    ELECTRICAL RATINGS SPECIFICATION DEVICE TEST CONDITION FUNCTION UNIT Input voltage Output current Input forward current HCPL2531 STP, DIR continuous Input forward current HCPL2531 STP, DIR peak Input forward voltage HCPL2531 IF=16mA STP, DIR 1.45 Input reverse breakdown HCPL2531 IR=10uA STP, DIR voltage Output current HCPL2531...

  • Page 5: Connection Diagram

    CONNECTION DIAGRAM...
  • Page 6 10% or less for best results. The drive has a 2 second power-on reset time before the motor is energized. CAUTION! Power supply voltage in excess of 80 VDC will damage the GR214V. The choice of power supply voltage depends on the high speed performance required of the motor; doubling the voltage doubles the motor’s high speed power.
  • Page 7 STEP 2: SETTING MOTOR PHASE CURRENT Motor phase current may be set one of three ways: The onboard DIP switches, an external current set resistor or an external voltage input. All current settings will be in reference to the single phase peak current of the stepper motor. ONBOARD DIP SWITCH SETTING Please consult the diagram below for the proper switch setting for your motor phase current.
  • Page 8 For example, a standard 1.8 degree (200 full steps per revolution) stepper motor with a GR214V set to 25 microstep will require 5,000 pulses per revolution.
  • Page 9 STEP 4: SETTING STANDBY CURRENT After the GR214V has not received step pulses for one second it will enter standby mode, where it will limit current to a user- set percentage of maximum current. The GR214V will enter reduced-heating switching mode during this time to further decrease motor temperature during times of inactivity.
  • Page 10 ENABLE: Freewheels motor and stops all motor switching when a logic '0' is applied. The motor will have no holding torque and can be manually manipulated. Upon a logic ‘1’ being applied the GR214V will move the motor to the nearest full step location.

  • Page 11: Explanation Of Features

    4.) Reverse polarity on power supply input. If the GR214V enters a FAULT state you can clear this by cycling the RESET input. This will put the drive back into a normal state, but if it faults again there may be a problem on the drive or the system.

  • Page 12: Environmental Ratings

    ENVIRONMENTAL RATINGS The GR214V is rated for commercial use, with an operating temperature range of 0C – 75C (32F – 167F) and a humidity range of 0 – 95% non-condensing. Use in environments outside of those ranges are not advised but Geckodrive support can recommend workarounds in some cases.

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