OverviewThe BLAR series is a general-purpose, high-performance intelligent digital brushless DC drive family combining positioning control and brushless drive functions in one unit. The BLAR-09050-MH is intended for speed and torque control of permanent-magnet BLDC motors with Hall-sensor or sensorless feedback and supports integration into motion-control systems when voltage, current, feedback and installation conditions are confirmed.
Key Highlights- Supply voltage: 18–90 VDC
- Continuous current: 50 Arms
- Peak current: 100 Arms
Primary RatingsSupply Voltage: 18–90 VDC
Continuous Current: 50 Arms
Peak Current: 100 Arms
Confirmed Technical SpecificationsPower capability: up to 15 kW (series capability)
Control modes: speed control and torque control
Current-loop sampling: 16 kHz (62.5 µs)
Speed-loop sampling: 2 kHz (500 µs)
Current-loop bandwidth: typically 1.5 kHz (dependent on settings and motor inductance)
Feedback: Digital Hall or incremental A/B quadrature encoder (up to 5 Mline/s)
Mechanical Dimensions ReferenceApplicable Dimensions Table Row: BLAR-50A~85A
Dimension Units: mm
Control & PerformanceMotor compatibility: permanent-magnet brushless DC motors (Hall or sensorless)
Feedback phase (Hall): U/V/W, 120 electrical degrees
Encoder rate: up to 5 Mline/s
Command & CommunicationSpeed/torque command: PWM or ±10 V analog
PWM: unipolar 0–100% (selectable polarity) or bipolar 50% ±50% — frequency 1 kHz–100 kHz, min pulse width 220 ns
Analog: ±10 V input, 5 kΩ differential impedance
RS232: 9,600–115,200 baud, ASCII or binary
RS485: 9,600–115,200 baud, Modbus RTU
CAN (optional): 20 kbit/s–1 Mbit/s; CANopen DS-301 V4.02 and DS-402 device profile
LED: status and CAN network indication
Digital I/O & ProtectionDigital inputs: 6 ports (NPN, active-low) — configurable for enable, reset, limits, PWM sync, run/stop, high-speed pulse input
Digital outputs: 2 ports (NPN, active-low), max. 300 mA / 30 VDC — configurable for fault, brake, sync, user events
Protections: overvoltage, overcurrent, undervoltage, overload, overtemperature, encoder fault, I²t, output short circuit
Operating ConditionsSupply range (shared tech page): 18–90 VDC (variants to 135 / 180 VDC noted)
Installation: no corrosive or flammable gases
Altitude: below 1,000 m
Ambient temperature: −20 °C to +50 °C
Humidity: 5%–95% RH, non-condensing
Vibration / shock: < 4.9 m/s² / < 19.6 m/s²
Connectors & Pinouts — J1 Motor & Main PowerPin 1/2/3: U / V / W motor phases
Pin 4: 0 V
Pin 5: DC 20–90 V
Protective earth: connect motor PE to ground per wiring overview
J2 Motor Feedback (15-pin)Pin 1/2: NTC* / NTC*
Pin 3/4/5/6: U+ / +5 V / 0 V / V+
Pin 7/8: not assigned
Pin 9/10: W+ / not assigned
Pin 11/12: B− / B+
Pin 13/14: A− / A+
Pin 15: IN5* temperature-control switch
Ordering note: specify NTC resistor input or temperature-switch option when ordering; switch option uses pins 1 and 15
J3 Control Signals (10-pin)Pin 1/2: OUT2 brake (BRK) / OUT1 fault (ERR)
Pin 3: IN2 single-ended analog direction (F/R)
Pin 4: IN3 (HS) PWM direction (DIR)
Pin 5: IN4 (HS) PWM pulse (PUL)
Pin 6: IN1 enable (EN)
Pin 7/8: +5 V output / GND
Pin 9/10: AREF− / AREF+ analog reference
Single-ended analog wiring: AREF− = 0 V; AREF+ = 0–10 V
Differential analog wiring: AREF− = −10 V; AREF+ = +10 V
J4 / J5 — RS485 & CAN (Optional)Pin 1: 485A (CAN_H optional)
Pin 2: 485A (CAN_H optional)
Pin 3/4: GND_C / GND_C
Pin 5/6: 485B (CAN_L optional) / 485B (CAN_L optional)
Communication note: CAN signal names in parentheses are optional per technical page
J6 RS232 Debug & J7 Auxiliary PowerJ6 Pin 1/2: No Connection / RxD
J6 Pin 3/4: Signal Ground / Signal Ground
J6 Pin 5/6: TxD / No Connection
J7 GND: 0 V
J7 +AUXHV: +24 V or main supply voltage
Technical specifications- Series: BLAR Series
- Model (page reference): BLAR-09050-MH
- Supply voltage range: 18–90 VDC (variants to 135 / 180 VDC noted)
- Continuous current: 50 Arms
- Peak current: 100 Arms
- Power capability: up to 15 kW (series capability)
- Control modes: speed control, torque control
- Current-loop sampling: 16 kHz (62.5 µs)
- Speed-loop sampling: 2 kHz (500 µs)
- Feedback: Digital Hall or incremental A/B encoder; encoder rate up to 5 Mline/s
- Command inputs: PWM (unipolar/bipolar) or ±10 V analog
- Communication: RS232, RS485 (Modbus RTU), optional CAN / CANopen
- Digital I/O: 6 digital inputs (NPN, active-low); 2 digital outputs (NPN, active-low; max. 300 mA / 30 VDC)
- Protection features: overvoltage, overcurrent, undervoltage, overload, overtemperature, encoder fault, I²t, output short circuit
- Operating ambient: −20 °C to +50 °C; 5%–95% RH non-condensing
- Installation altitude: below 1,000 m