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EM-241C-JS1 DC-MOTOR CONTROLLER 12-24V 15A

EM-241C-JS1 is a full bridge DC-motor starter. It is designed to joystick controlled DC-motor applications. Drievr has adjustable acceleration and deceleration ramps, which make possible the smooth starts and stops. Adjustable current limit protects motor against overcurrent and it can also be used as an end-stop. This device has also two settable speeds, separate speed ranges for forward and reverse direction. Control input is specially designed for joystick control. The joystick range calibration is done automatically, when calibration function is activated. Calibration detects forward, reverse and midpoint positions. FAULT terminal has at the same time input and output function, the pin is normally high, but is pulled down in overheat and conditionally also in current trip situation. If FAULT-line is pulled down externally it will cause a stop and prevent the new start. For example, it is possible to link fault pins of several units together and achieve a syncronous stop.
There is also special settings as start-kick which could be used if there is danger of stuck. Limit input can be individually set for NPN or PNP logic. The parameters settings can be done with various EM- interface units. Operation of the controller and some of its functional values can also be monitored with interface units.


EM-241C-JS1Supply voltage cont. max. 10-35V
Overvoltage limit adjustable 15-40V ( connect motor to freewheel )
Overvoltage dynamic brake 40V ( shorting motor poles )
Start up voltage 9V, shutdown voltage 8V
Continuous current output when ambient temp. is < 50°C
15A at 100% speed / 10A at 5-99% speed ( pwm freq. 2kHz )
10A at 100%speed / 5A at 5-99% speed ( pwm freg 16kHz )
Peak current ( 5s. ) 30A at 2kHz / 25A at 16khz
Current limit adjustable 0.1-25A ( at start max. 30A )
Overheat limit 100°C
Start and stop ramp adjustable 0-5s
PWM frequency 2kHz / 16kHz ( selectable )
Joystick input scale 0-5V or 0-10V ( if dip 2 = ON )
Input control logic: high =4-30V, low=0-1V
Control input impedances typ. 47kohm
Limit FW / BW input imped. typ 10kohm
Control input response time typ 5ms.
Fault out. NPN open coll. max 30V / 50mA
Fault in actives Uin < 1V ( NPN )
Motor and supply connectors 2.5mm
Control connectors 1mm
Dimensions 42x72x25mm
Dimensions in DIN-rail base 45x80x45mm
CE-tested for industrial environment ( emc )
Operating temp ( Ta ) -40...60°C
Weight 75g

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