DM542S
USER MANUAL
www.cloudratmotor.com
5
When central tapping used, half of the winding connected, and the inductance was lower. This is suitable for high
speed required.
3.4 Control signal connection
3.4.1 PUL, DIR port: connection for pulse command
The signal interface of standard DM series drive is
switch.
The upper controller can be the pulse signal generating device, such as PLC, MCU, control card and controller.
The pulse level that DM 542S drive can be used: 3.3V-24V (
no need to connect resistor
)
Pulse&Direction
（
PUL + DIR
）
Dual Pulse
（
CW +CCW
）
Orthogonal Pulse
（
A/B
）
3.4.2
ENA port: used to enable or disable
When the default optocoupler is off, the driver outputs current to the motor. When the internal optocoupler is
turned on, the driver will cut off the current of each phase of the motor to make the motor free. At this time, the
step pulse is not responded.
The ENA input can be used to restart the drive when the motor is in an error state. First, the existing fault should
be eliminated, and then a falling edge signal is input to the ENA terminal, and the drive can be re-energized.
The level logic of the ENA signal can be set to the opposite, with the logic being opposite to the above.
4.
The setting of DIP switches and operating parameters
The setting of current
Semi / Full current option
The setting of pulse per revolution
SW1
SW2
SW3
SW4
SW5
SW6
SW7
SW8
