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Specification — 24V BLDC Motor Controller

24V BLDC Motor Controller For Conveyors, Sorting Lines And Industrial Automation.

24V is the SCADA / PLC standard voltage worldwide — sitting below the 50V SELV safety threshold and sharing the same DIN-rail rail as PLCs, sensors and field I/O. Shenghe Motor's BLD22010 24V BLDC motor controller drives 100W–300W three-phase brushless motors with Hall-sensor closed-loop velocity control, RS232/RS485 Modbus communication and full cabinet protection. Available standalone or as a pre-tested motor + controller kit for OEM automation builds where commissioning time matters.

  • DC 18–60V input — same hardware drives 24V, 36V and 48V systems
  • 100W–300W BLDC motor coverage at 24V (10A continuous current limit)
  • Hall velocity closed-loop and trapezoidal commutation, sensorless option
  • 0–5V PLC analog input, RS485 Modbus — drops directly into existing automation cabinets
  • Fault flags over RS485 — PLC can log and trip the line on overcurrent / stall / undervoltage
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ISO 9001 Certified Manufacturing 10+ Years OEM / ODM Experience Ships from Cixi, Ningbo — 2–3 week lead time CE / RoHS Compliant
24V BLDC motor controller (BLD22010) shown with brushless DC motor for conveyor and automation applications
Why 24V Controllers Matter

The Controller Decides Whether Your 24V Cabinet Drives — Or Just Hums.

A 24V brushless DC motor is the workhorse of modern automation panels — efficient, brushless, runs off the same rail as the rest of the cabinet — but only if the controller speaks PLC. The BLD22010 24V BLDC motor driver accepts 0–5V analog from a standard PLC analog output card, 0–100% PWM and RS485 Modbus directly. Closed-loop Hall feedback maintains speed under varying belt load. Fault flags expose overcurrent, overvoltage and stall over RS485 so the PLC can log events and trip the line on fault. Designed in-house at the Cixi factory and supplied as a tested motor + controller kit for OEM automation volume.

24V BLDC PLC Analog RS485 Modbus SCADA Ready Closed Loop OEM Kit
Controller Specifications

BLD22010 — 24V BLDC Motor Controller Technical Parameters

ParameterValue
Input VoltageDC 18–60V (covers 24V, 36V, 48V industrial systems)
Working Current≤10A continuous / 25A peak
Motor Power Range at 24V100W – 300W
Motor Pole Pairs2, 4, 5
Working ModeOpen loop / Hall velocity closed loop / Sensorless (back-EMF)
Speed Regulation0–20,000 RPM
Speed Control InputInternal, external, 0–5V analog (PLC analog output), 0–100% PWM (1–20 kHz), pulse frequency, RS485 Modbus
Communication ProtocolRS232, RS485 / Modbus RTU
Overvoltage Protection>55V (protects against PSU spike / regen)
Undervoltage Protection<18V (PSU dropout / battery cut-off)
Overcurrent Protection>50A
Short Circuit ProtectionYes
Fault OutputRS485 status flags + dry-contact relay (configurable)
Dimensions120×76×33 mm
Weight~0.3 kg
CoolingNatural air cooling — no fan required
IP RatingIP21 (cabinet mount); IP54 enclosure available
Typical Applications

Where 24V BLDC Motor Controllers Are Used

01
Conveyor and sorting lines

The 24V rail powers the PLC, sensors, indexer drives and the conveyor motor from the same DIN-rail PSU. RS485 Modbus lets the line controller adjust belt speed in real time based on upstream sensor data, with closed-loop holding speed flat under product surge.

02
Packaging machines and indexing tables

Cutter feeders, capping heads, label applicators and rotary indexers — all the secondary drives in a packaging line. Pulse-frequency input enables synchronization with the master axis; 0–5V analog for simple PLC speed setpoints.

03
Light AGVs and lab automation

Sub-100 kg payload AGVs, automated lab carts and pipetting robot drives. RS485 Modbus integrates with AGV navigation, fleet dispatch and lab automation middleware. Battery undervoltage cut-off at 18V protects 7S Li-ion packs on battery-powered builds.

04
Cordless tool batteries and instrumentation

24V tool batteries on cordless drills, screwdriver assemblies, valve actuators and small instrumentation drives. Sensorless mode is preferred where Hall wires are hard to seal against dust or moisture.

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Need A 24V BLDC Motor Controller For Your Automation Cabinet?

Send motor power, target application (conveyor / packaging / AGV / lab) and required interface (PLC analog / RS485 Modbus / pulse-direction). An engineer will recommend a controller (or full motor + controller kit) and quote within one working day.

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How It Works

How A 24V BLDC Motor Controller Works

A 24V BLDC motor controller converts the 24V cabinet bus into a three-phase variable-frequency output for a brushless DC motor. The signal path is identical in concept to a 36V or 48V controller — only the MOSFET voltage rating and the PSU dropout threshold change.

  1. DC bus filtering at 24V: Bulk electrolytic capacitors stabilize the 24V cabinet input (typically a DIN-rail switching PSU shared with the PLC, sensors and field I/O) and absorb regenerative current returned by the motor during deceleration. On AGV builds running off a 7S Li-ion pack, the bus floats from ~21V flat to ~29V fully charged.
  2. Six-MOSFET three-phase inverter: Three half-bridges (six 60V-rated MOSFETs) sequentially energize motor phases U, V and W. 60V parts give comfortable margin over the 24V bus and absorb regenerative spikes during deceleration without breakdown.
  3. Hall-sensor (or sensorless) commutation: Three Hall sensors inside the motor read rotor position; the MCU determines which phase pair to energize next, producing trapezoidal drive waveforms. Sensorless variants detect position from back-EMF — preferred in sealed conveyor drives and dusty packaging environments where Hall wiring is hard to maintain.
  4. PLC-friendly closed-loop control: Hall pulses also provide rotor speed. A PID controller compares actual speed against the setpoint (0–5V from a PLC analog output card, 0–100% PWM, pulse-frequency or RS485 Modbus command) and adjusts duty cycle every cycle. Closed-loop maintains setpoint within ±1% under variable belt load.
  5. Cabinet protection: Overcurrent (>50A), overvoltage (>55V — guards against PSU spikes and regen), undervoltage (<18V — flags PSU dropout or 7S Li-ion cut-off) and short-circuit detection trigger gate shutoff within microseconds. Fault flags exposed on RS485 let the PLC log events and trip the line on fault.
24V BLDC motor controller circuit diagram — DC bus, three-phase MOSFET inverter, Hall-sensor closed-loop, PLC analog input and RS485 fault flags
24V BLDC motor controller topology — three-phase inverter with Hall-sensor closed-loop feedback, 0–5V PLC analog input and RS485 Modbus fault output. Full schematic and PLC wiring in the pairing guide.
200W Conveyor Variant

24V 200W BLDC Motor Controller

For 24V brushless DC motors rated 200W — the workhorse band for conveyor drives, sorting indexers and packaging feeders — the BLD22010 delivers continuous current up to ~8A at 24V (~200W output). Closed-loop Hall feedback holds belt speed within ±1% under variable load.

  • Continuous current: ~8A at 24V (~200W output)
  • Compatible motors: 60BL and 80BL 24V frames at 150–200W
  • RS485 Modbus integrates with Siemens S7, Mitsubishi FX, Allen-Bradley CompactLogix
  • 0–5V analog accepts most PLC analog output cards directly
  • Closed-loop holds setpoint within ±1% under variable belt load
100W Lab / Tool Variant

24V 100W BLDC Motor Controller

For lower-power 24V applications — lab automation, instrumentation, valve actuators, small AGVs and cordless tool spindles — the BLD22010 runs underrated, extending MOSFET life. Natural air cooling means no fan to fail in lab or workshop environments.

  • Continuous current: ~4A at 24V (~100W output)
  • Natural air cooling — no fan required
  • IP21 enclosure for cabinet mount; IP54 option for outdoor / lab-bench use
  • Pairs with 57BL and 60BL motor frames
  • 0–100% PWM input — ideal for microcontroller-driven lab builds (Arduino, ESP32, Raspberry Pi)
Motor + Controller Kit

24V Brushless DC Motors Compatible With BLD22010

The motors below are tested and supplied as matched kits with the BLD22010 24V BLDC motor controller. Kit purchase eliminates parameter mismatch (pole pairs, Hall sequence, current rating) and shortens commissioning. Kits ship pre-wired with Hall sensor cable and ready-to-deploy PID parameters.

Motor SeriesPowerTorqueSpeedUse
57BL100W0.32 N·m3000 RPMLab automation, instrumentation
57BL150W0.48 N·m3000 RPMLight conveyor, packaging feeder
60BL200W0.64 N·m3000 RPMConveyor drive, sorting indexer
80BL250W0.80 N·m3000 RPMHeavy conveyor, light AGV
80BL300W0.96 N·m3000 RPMPackaging line main drive
Download The 24V BLDC Motor + Controller Pairing Guide BLD22010 spec, motor compatibility table, PLC analog wiring diagram, RS485 Modbus register map and torque–speed curves — PDF format.
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Frequently Asked Questions

Common Questions About 24V BLDC Motor Controllers

  • What 24V motors can this controller drive? The BLD22010 works with 24V brushless DC motors from 100W to 300W — 57BL, 60BL and 80BL frames. Supports 2, 4 and 5 pole-pair motors with Hall-sensor or sensorless commutation. Typical pairings are conveyor drives, sorting indexers, packaging feeders, light AGVs and lab automation drives.
  • Why is 24V the standard for industrial automation? 24V DC sits below the 50V SELV safety threshold and shares the same DIN-rail rail as PLCs, sensors and field I/O. One PSU powers the entire automation cabinet — simpler wiring and lower commissioning cost than a separate motor PSU.
  • Can the same controller run 36V or 48V motors? Yes. The BLD22010 has a DC 18–60V input range — same hardware drives 24V, 36V and 48V systems. Continuous power: ~240W at 24V, ~360W at 36V, ~480W at 48V (10A current limit).
  • Does the 24V controller integrate with PLC and SCADA? Yes. Accepts 0–5V analog from PLC analog output cards, 0–100% PWM, pulse-frequency and RS485 Modbus. Works with Siemens S7, Mitsubishi FX, Allen-Bradley CompactLogix, Omron Sysmac and most other industrial PLCs. Fault flags exposed over RS485.
  • Can I get a 24V motor and controller as a tested kit? Yes. Shenghe supplies matched motor + controller kits with pole-pair count, Hall sequence and current rating pre-configured. Kits ship pre-wired with Hall cable and ready-to-deploy PID parameters.

Compatible 24V BLDC Motors

The BLD22010 is sold standalone or paired with these motors. Click through for full motor specifications.

Series overview

24V Brushless DC Motor

50W–400W direct-drive 24V series With gearbox

24V BLDC Gear Motor

Planetary / worm geared 24V drives Application

BLDC Motor for Conveyor

24V conveyor drives with PLC integration Controller hub

BLDC Motor Controller

Full controller line — 12V to 110V
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Include motor power, application (conveyor / packaging / AGV / lab), PLC and protocol so we can recommend the right controller or full motor + controller kit. Quotation returned within one working day.

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