EM-362D is a full bridge DC-motor starter. It is designed to work with low voltage DC-motors (permanent magnet and brushed) in applications where a variety of special functions and settings are needed. Starter has adjustable acceleration and deceleration ramps, enabling the smooth starts and stops. Adjustable current limit protects the motor against overcurrent. Current limitation for braking is also available ( regeneration I-limit ). This driver is specifically designed for 12-36V applications, but it's still able to function when voltage is dropped down to 8V. The driver also has an integrated cooling fan, which improves cooling at continuous driving. This -D version has added Modbus Rs-485 control bus and the shutdown to minimize idle current consumption.
EM-362D has two selectable and settable speeds. This feature can be useful eg. in positioning applications. The FW and BW -inputs control the forward and backward runs. STOP input is used to stop the motor, but individual limit inputs are also available for FW and BW direction end stops, that will cause a motor shut-down. SPEED-2 input activates the presettable speed-2, but it can also be set for use as an analog speed control input (0-5V signal). FAULT terminal operates same time as an input and output. Fault line is internally pulled high (100kohm to Vsupply), but will be pulled down in overheat or conditionally also in current trip situation. If FAULT-line is pulled down externally it will cause a stop and disable a new start.
For example it is possible to link FAULT pins of several units together and achieve a syncronous stop this way.

Driving can be done with two selectable control modes, continuous and impulse. In continuous mode the motor runs as long as the command is on. In impulse mode a short command starts the motor, and only a new impulse will change the status. Inputs are divided into two groups, command and limit -inputs. These groups can be individually set to work with NPN (connect to zero control) or PNP (positive voltage control) -logic. The parameters are set digitally with a handheld EM-236 interface unit. With this unit the same settings (adjustments) can also be easily copied to multiple devices. Operation of the controller and some of its functional values can also be monitored with EM-236 interface unit.

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TECHNICAL DATA ( prog. EM-362D v2.1 / pcb version 362D )

Supply voltage nom. 12-36Vdc (abs. limits 10-45V )
Shutdown voltage 7.5V ( start up 9.5V )
Overvoltage limit adjustable 15-45V
Idle current typ 20mA or 1mA shutdown input conn. to gnd
Motor current max. cont. 160A ( at 50°C amb. temp. )
Motor current max. 30s. 200A ( at 50°C amb. temp. )
Motor current max peak 5s. 300A ( a start )
-Motor currents are about 30% lower with 16kHz pwm freq.
Braking load current (pin 16) max cont 50A peak 100A
Current limit adjustable 1-255A
NOTICE! current limit is 20% boosted during start ramp.
Over temp. limit 100°C
Start and stop ramp adjustable 0-5s
PWM frequency 2kHz / 16kHz
Speed input scale ( speed-2 ) 0-4.5V = 0-100% pwm
I-lim input scale 0-5V = 0-250A
Input control logic: high =4-30V, low=0-1V
Control input impedances typ. 10kohm
Control input response time typ 5ms.
Fault out. NPN open coll. max 42V / 0.5A
Fault in. actives Uin < 1V ( NPN with 100k pull up)
Fan-output switch on 55°C, off 50°C
Fan-output NPN 12V 100mA
Rs-485 bus, halfduplex, Modbus RTU, 9.6/19.2 kbps
Brake output NPN max. 50A
Motor and supply connectors 16mm²
Control connectors 1mm²
Dimensions 180x122x height 52
CE-tested for industrial environment ( EMC )
Operating ambient temp ( Ta ) -40...60°C
Weight 630g

Tiedostot

• EM-362D.pdf - Lataa tiedosto (1573 kt)
• EM-362_Application_sheet.pdf - Lataa tiedosto (107 kt)
• Modbus_common_part_10.2.2021.pdf - Lataa tiedosto (393 kt)
• Modbus_EM-C_Drivers_19.10.2020.pdf - Lataa tiedosto (190 kt)

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