Brush DC motor controller BMD-40DIN

Voltage

12 – 24 VDC

Rated current

up to 40 A

Peak current

100 A

Control methods

Analog speed control 0...5 V

BMD-40DIN

BMD‑40DIN is a driver for DC brush motor, which is used for speed, acceleration and deceleration control. Regulation methods: analog signal 0...5 VDC analog signal or internal potentiometer. Current limitation function prevents motor overloading.

Technical data

Operating voltage

12 – 24 VDC

Continuous output current, adjustable

1 - 40 A

Peak output current

100 A

Analog speed control

0...5 V

Speed control range

1 : 100

Operating voltage

12 – 24 VDC

Continuous output current, adjustable

1 - 40 A

Peak output current

100 A

Analog speed control

0...5 V

Speed control range

1 : 100

Dimensions of DC brush motor controller BMD-40DIN

Dimensions of DC brush motor controller BMD-40DIN

Description of DC brush motor controller BMD-40DIN

The device BMD-40DIN is a speed controller for a DC brush motor. The controller is designed to control DC brush motors with a supply voltage of up to 24V and a power of up to 960W. It is possible to control the speed of a DC brush motor with an analog voltage signal 0...5 VDC or with a built-in or external potentiometer. Acceleration, direction and deceleration are set by internal regulators included in the design of the device.

Motor speed can be adjusted with one of the follow methods:

  • internal potentiometer;
  • external potentiometer;
  • analog signal 0...5 VDC.

Parameters of external direction and start/stop signals:

  • input type: clean contact;
  • maximum resistance of the closed contacts: 4.7 kOhm;
  • maximum input current: 0.5 mA;
  • «START/STOP» and «DIR» inputs logic can be easily adjusted by a customer: the inputs can operate both as per signal level and as per a front of the signal; the default setting is operation as per a front of the signal for «START/STOP» input and as per a level of the signal for «DIR» input.

Changing the operation logic of input signals is carried out using the jumpers «START_PIN» and «DIR_PIN» at the controller board under the case. To change the logic, it is necessary to remove the back of the controller case, releasing the two latches next to the connectors. If the corresponding pair of contacts is closed by a jumper, their state corresponds to the «ON» value. If the jumper doesn’t close the contacts, the state of the contacts corresponds to the value «OFF».

If the jumper doesn’t close the contacts, the state of the contacts corresponds to the value «OFF». If the jumper doesn’t close the contacts, the state of the contacts corresponds to the value «OFF».

The logic of operation of the control inputs «START/STOP» and «DIR», as well as the «REVERSE» button with different positions of the jumpers «START_PIN» and «DIR_PIN» is shown in the figure below.

The logic of operation of the control inputs «START/STOP» and «DIR», as well as the «REVERSE» button with different positions of the jumpers «START_PIN» and «DIR_PIN» is shown in the figure below.

The DC brush motor speed controller BMD-40DIN performs the following functions:

  • start and stop a DC brush motor by a button on the front panel or by an external signal;
  • analog regulation of speed of a DC brush motor;
  • control of the rotation direction with a button on the front panel or an external signal;
  • setting the ration of acceleration and deceleration;
  • motor overload protection with adjustable rated current;
  • motor short circuit protection;
  • emergency stop of a DC brush motor «HARD STOP» in the event of a break in the electrical circuit of the protection circuit.

Connection of DC brush motor controller BMD-40DIN

Connection of DC brush motor controller BMD-40DIN

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