Quick Guide function for SpeedControl E 1045
LS Control A/S
Industrivej 12
DK – 4160 Herlufmagle Page 5
Functions
Supply
The frequency converter is supplied by 230VAC ±10%. However it is possible to lower the voltage, but it
must be noted, that the power of the motor will be lowered as the main supply voltage decreases. It is not
recommended to use a supply less than 190VAC
Control Voltage
0 – 10 Vdc. Either by potentiometer or by external 0 – 10V signal. Control signal input is located on
terminal 6.
RUN Input
If the RUN input is activated (added to GND from internal supply) the frequency converter will start the
motor. The Run input is located on terminal 4.
DIR Input
If the DIR input is activated the frequency converter will change direction, but only when the motor is at a
stand still. The DIR input is located on terminal 3.
Alarm relay
The relay on the PCB will be activated when the motor is running.
LSC terminal
This input is designed for a software controlled thermo switch. As default, this input must be shortened
with GND. LSC input is located on Terminal 2
Temperature
The temperature function is set to ensure that if the frequency converter power unit registers an excess
temperature it will reduce the motor speed. However, the speed will never be reduced further than the
minimum speed. This motor speed reduction will happen slowly. Should the temperature continue to
increase, despite the speed reduction, the frequency converter will stop and indicate error.
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