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59,00 € /unit

EM-170 motor controller is designed for small DC-motors. The controller operates in 4-quadrants, in other words it is possible to drive the motor in varible speed, change motor running direction and brake. The power stage operates with PWM-principle and has thus high efficiency.

Speed set value is given as analog voltage signal. Motor voltage is fed back to controller, so changes in operating voltage will not affect motor running speed. 10V regulated auxillary voltage can be used for speed set potentiometer reference voltage. The acceleration speed can be adjusted with acceleration and deceleration ramp. Deceleration ramp can also be bypassed when rapid braking is desired. Additionally the unit is equipped with speed2-feature, which can be activated individually. This is especially practical in positioning applications. Current limit can be used to restrict motor torque and is dip-switch settable. Control inputs work with positive (PNP) logic. EM-170 is EMC-tested in accordance with industrial standards.



Technical data

Supply  12-35V
Current cons.  max 2A
Idle current  20mA
Output voltage  0-25V
Output current  1.5A continuous
  2A (10s)
Current limit  0.2, 0.3, 0.4, 0.5, 0.6
  0.7, 0.8, 0.9, 1, 1.1, 1.2
  1.3, 1.4, 1.5, 1,7 and 2A
Ramp time  0, 0.1, 0.2, 0.3, 0.5
  0.7, 1.0, 1.5s
Input control voltage  0-10V (Rin 100kohm)
ON/OFF control  0-1V =”off” 4-30V=”on”
Input impedance  10kohm
Auxiliary voltage  10V (max. 5mA)
Operation freq.  16kHz
Operating temp.  0-60°C
EMC EN-50081 and EN-50082-2
Measures  60x60x20mm
Weight  30g

Product files


  • 283 pcs. in stock


  • 59,00 € /unit