SDC107 –DC motor driver user manual
www.wobit.com.pl
10
4
Problems and solutions
The motor does not
revolve
1) Check if the green POWER LED is on. If not - no power supply to the driver or
damaged driver.
2) Check if a signal is given to the ENABLE input.
3) Check if the LIMIT LED is flashing. If so, it means that the limit input is active
(chapter 3.4)
4) Check if the red ERR LED is flashing. If so, it means the driver is
in error mode. To clear the error, remove and re-enter the ENABLE signal.
5) Check the configuration of the S1 / S2 switches (chapter 3.1).
6) If external control is active, check that the control voltage has been applied
(0..5 V).
The driver signals an
error after changing the
direction of rotation or
switching on.
The motor starting current is too high. The driver signals when the max current is
reached or goes into error mode (the ERROR LED flashes). It is recommended to
enable the SOFT-START function (switch S3 = ON).
The driver signals an
error during braking.
For the active BRAKE-STOP S4 = ON mode, braking returns energy from the
motor to the power supply, which may increase the power supply voltage. If the
power supply is not able to receive such energy (too small electrolytic capacitors
at the power output), the driver supply voltage may exceed the max. value (40
V). Then the driver will go into error condition.
The driver signals an
error as soon as the
ENABLE signal is
activated.
Check for a short circuit between motor leads or between the M + or M- signal
and GND or VDC.
If the error repeats and cannot be cleared, the driver has been damaged.
The motor is spinning
slowly, the red LED is
on.
The motor current limit is active. Check the configuration of the S1 switches
and S2 and depending on the set mode, increase the current limit with the built-
in potentiometer or an external 0-5V signal.
5
Technical parameters
Mechanical parameters
Housing dimensions:
101 x 18 x 80 mm
Weight: approx.
100 g
Operating temperature
range:
5..50 °C
Protection degree:
IP20
Mounting
DIN rail
18
