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StepperOnline BLD-550S User Manual
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StepperOnline BLD-550S User Manual

Brushless dc motor driver
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User Manual
BLD-550S
Brushless DC Motor Driver
©2023 All Rights Reserved
Address: 15-4, #799 Hushan Road, Jiangning, Nanjing, China
Tel: 0086-2587156578
Web: www.omc-stepperonline.com
Sales: sales@stepperonline.com
Support: technical@stepperonline.com
Read the operating instructions carefully before putting the driver into operation with power

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Summary of Contents for StepperOnline BLD-550S

  • Page 1 User Manual BLD-550S Brushless DC Motor Driver ©2023 All Rights Reserved Address: 15-4, #799 Hushan Road, Jiangning, Nanjing, China Tel: 0086-2587156578 Web: www.omc-stepperonline.com Sales: sales@stepperonline.com Support: technical@stepperonline.com Read the operating instructions carefully before putting the driver into operation with power...

  • Page 2: Specifications

    BLD-405S BLDC Brushless Driver Introduction BLD-550S motor driver is a closed-loop speed controller and employs IGBT and MOS power devices. It utilizes the Hall signals of the DC brushless motor after frequency multiplication to achieve closed-loop speed control. The control loop has a PID speed regulator, making the system control stable and reliable.
  • Page 3 BLD-405S BLDC Brushless Driver 3. Terminal and Signal 3.1 Control Interface Terminal Name Description COM terminal CW/CCW terminal Stop/Start terminal Brake terminal Analogy signal input terminal Speed output terminal ALARM Alarm output terminal +5V power output terminal 3.2 Hall Signal Terminal Name Description Hall sensor Negative...
  • Page 4 BLD-405S BLDC Brushless Driver SV: External speed attenuation: It can be attenuated from 0 to 100%. When the external speed command is connected to 5V, the speed can be adjusted through this potentiometer. +5V: Speed control voltage output, which can be continuously adjusted by the potentiometer on SV and GND. Wiring diagram of the driver and the brushless motor: Dimension: 86x55x21mm...

  • Page 5: Mechanical Specification

    BLD-405S BLDC Brushless Driver 4. Mechanical Specification (Unit: mm [1inch=25.4mm]) 5. Functions and Usage 5.1 Speed Adjustment Method 5.1.1 Internal potentiometer speed regulation: Rotate the potentiometer on the driver panel counterclockwise to reduce the motor speed, and clockwise to increase the speed. When the user uses external input to adjust the speed, the potentiometer must be set to the minimum state.
  • Page 6 BLD-405S BLDC Brushless Driver The potentiometer performs 0~1.0 ratio attenuation processing on the amplitude of the SV digital signal. Generally, the R-SV is adjusted to 1.0, and the SV input data Word signals are not attenuated. 5.2 Motor Operate/Stop Control (EN) By controlling the on/off state of the EN terminal relative to GND, the operation and stop of the motor can be controlled.
  • Page 7 BLD-405S BLDC Brushless Driver 6. Display and Keyboard Operation Remark: "SET": Start/stop, (backspace) " △ ": "+", Plus 1 " ▽ ": "+", Minus 1 "ENT": "ENTER" （ Recall setting parameter) 6.1 System Parameter Setting Please ensure that the motor is under the stop situation when setting the parameter. That is, in the case of panel mode, the motor is in the stop state or an external port mode, the motor is enabled to disconnect.
  • Page 8 BLD-405S BLDC Brushless Driver Err-01 Stall Err-02 Over Current Err-04 Hall Fault Err-05 Stall and Hall Fault Err-08 Under-Voltage Err-10 Over-Voltage Err-20 Peak Current Alarm Err-40 Temperature Alarm 6.4 Drives Parameter Setting P00X:Operating Parameter Code Name Setting Range Unit Default Value Change 00 External port mode P000...

  • Page 9: System Usage

    BLD-405S BLDC Brushless Driver P015 Reserved P016 Reserved 7. System Usage First, connect the motor and driver wires (motor winding wires, Hall signal wires, and power wires) strictly according to the requirements. Brushless motors cannot achieve forward and reverse rotation by changing the wiring like asynchronous motors.
  • Page 10 BLD-405S BLDC Brushless Driver The second byte: temperature corresponds to alarm point 30FH 15 Have a feeling 16 No feeling $8005 External speed setting 0-65535 2000 $8006 Braking force 0-1023 1023 $8007 First byte: site address 1-250 Second byte: reserve 08-0F $8010-$8017 Reserved...
  • Page 11 BLD-405S BLDC Brushless Driver BK: when NW=0, 0: external BK low level effective 1: external BK high level effective when NW=1, 0: BK ineffective 1: BK effective NW1: 0: Control terminal external effective(EN,FR,BK) 1: Internal effective 0: Speed external effective 1: Speed internal effective (under panel speed adjusting mode, PWN speed adjusting mode and segmental speed adjusting mode, it must set to1) 0: Closed loop control...
  • Page 12 BLD-405S BLDC Brushless Driver The successful feedback message is explained as follows: Message 11 1B 00 05 70 0D The start register The wrote Explain Address Function Code CRC testing code address Register number 9. Communication Wires Connection RS-485 communication can be carried out through a regular 3-pin 2.54 wiring port. The pin definitions of a regular 3-pin 2.54 wiring port are as follows: Function...