StepperOnline CL57T User Manual
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StepperOnline CL57T User Manual

(v4.0) closed loop stepper drive
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Record of Revisions
Revision
Date
1.00
Aug, 2019
4.00
Oct, 2020
User Manual
CL57T(V4.0)
Closed Loop Stepper Drive
Revision 4.0
Description of Release
Initial Release
Add S1 rotating switch, 5/24V selector switch, brake output.

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Summary of Contents for StepperOnline CL57T

  • Page 1 User Manual CL57T(V4.0) Closed Loop Stepper Drive Revision 4.0 Record of Revisions Revision Date Description of Release 1.00 Aug, 2019 Initial Release 4.00 Oct, 2020 Add S1 rotating switch, 5/24V selector switch, brake output.

  • Page 2: Table Of Contents

    CL57T(V4.0) Closed-Loop Stepper Drive Table of Content 1. Features.....................................1 2. Specifications..................................1 2.1 Electrical Specifications............................1 2.2 Environment................................1 2.3 Mechanical Specifications............................2 3. Connections and LED Indication............................3 3.1 P1 – Control and Digital Output Connections......................3 3.2 P2 - Encoder Signals Input Connector........................4 3.3 P3 - Motor Connector.............................

  • Page 3: Features

    CL57T(V4.0) Closed-Loop Stepper Drive 1. Features  Input voltage 18-50VDC (recommended 24-48VDC)  No loss of step, No tuning  500 KHz max pulse input frequency  16 microstep resolutions of 200-51,200 via DIP switches SW1 - SW4  3 output current settings of 2.8A, 5.6A and 7.0A via S1 rotating switch ...

  • Page 4: Mechanical Specifications

    It is recommended to mount the drive vertically to maximize heat dissipation. Mount a cooling fan nearby if  necessary. If multiple CL57T(V4.0) drives are installed, it is suggested to keep a minimal 30mm (12 inches) between two of  them.

  • Page 5: Connections And Led Indication

    CL57T(V4.0) Closed-Loop Stepper Drive 3. Connections and LED Indication A CL57T(V4.0) closed loop stepper drive has 4 connection blocks from P1 to P4 (see figure 2). Figure 2: CL57T(V4.0) connectors 3.1 P1 – Control and Digital Output Connections The P1 connector in Figure 2 contains connections for control signals and 2 digital output.

  • Page 6: P2 - Encoder Signals Input Connector

    The RED one is a alarm status indication light, which will be OFF while working normally but ON and flash some times in a 3-second period in the case of enabled alarm protections. 3.6 Switches The CL57T(V4.0) has one rotating switch, one 8-bit DIP switch and one 1-bit selector switch.

  • Page 7: Power Supply Selection

    4. Power Supply Selection The CL57T(V4.0) can power medium and large size stepping motors (frame size from NEMA 17 to 24). To get good driving performances, it is important to select supply voltage and output current properly. Generally speaking, supply voltage determines the high speed performance of the motor, while output current determines the output torque of the driven motor (particularly at lower speed).

  • Page 8: Switch Configurations

    Pulse filter time Microstep Rotation direction Pulse mode Control mode Figure 3: DIP switches 5.2.1 Micro Step (SW1-SW4) Each CL57T(V4.0) has 16 microstep settings which can be configured through DIP switches SW1, SW2, SW3 and SW4. See the following table for detail.

  • Page 9: Mode Setting (Sw5 - Sw8)

    Pulse Filter Time Yes (10ms) No (1.5ms) CL57T(V4.0) has an advanced feature called Pulse Filter Time to make the input pulse from pulse generator (controller, PLC, etc.) S-curve acceleration, to improve motion smoothness and high-speed start frequency in many circumstances.

  • Page 10: Typical Connection

    CL57T(V4.0) Closed-Loop Stepper Drive 6. Typical Connection A complete closed loop stepper system should include a stepper motor with encoder, CL57T(V4.0) drive, power supply and controller (pulse generator). A typical connection is as below. Figure 4: Typical connection Notes: (1) Pulse and direction inputs level 5V or 24V selected by selector switch S3. When it is 24 V, the S3 selection of 5V will damage the input photo-coupling.

  • Page 11: Fault Output Connection

    6.2 Fault Output Connection When over voltage or over current protection happens, CL57T(V4.0) red status LED light will blink and the impedance state between ALM and COM- will change (from low to high or high to low depending on configuration) and can thus be detected.

  • Page 12: Fault Protections & Troubleshooting

    CL57T(V4.0) Closed-Loop Stepper Drive Figure 10: Sequence chart of control signals Remark: t1: ENA must be ahead of DIR by at least 200ms. Usually, ENA+ and ENA- are NC (not connected). See “Connector P1 Configurations” for more information. t2: DIR must be ahead of PUL effective edge by 2us to ensure correct direction;...
  • Page 13 CL57T(V4.0) Closed-Loop Stepper Drive Restart the power supply, if the drive is Fail to auto tuning still alarm, please contact after-sale a) Set SW6 to “ON” to make motor run in open loop mode, If alarm disappears, Position following 0.3S 0.2S...
  • Page 14 CL57T(V4.0) Closed-Loop Stepper Drive Choose another power supply with lager Current setting is too small power or increase the output current of drive Motor is undersized for the application Choose another motor with higher torque Motor stalls during acceleration Acceleration is set too high...

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