P1 - Control Connector; P2 - Fault And Brake Output Connector; P3 - Motor And Power Supply Connector; Led Light Indication - StepperOnline DM542T User Manual

3.1 P1 - Control Connector

PIN
Pulse and Direction Connection:
PUL+
(1) Optically isolated, high level 4.5-5V or 24V, low voltage 0-0.5V
(2) Maximum 200 KHz input frequency
PUL-
(3) The width of PUL signal is at least 2.5μs, duty cycle is recommended 50%
DIR+
(4) DIR signal requires advance PUL signal minimum 5 μs in single pulse mode
(5) The factory setting of control signal voltage is 24V,
DIR-
Enable Connection: (default no connection)
ENA+
(1) Optically isolated, differential.
(2) Disable the drive by 4.5- 24V input connection; enable the drive by 0-0.5V connection
(3) ENA signal requires advance DIR signal minimum 5μs in single pulse mode
ENA-
(4) Enable time to be at least 200ms
Notes:
(1) Shield cables are required for P1;
(2) Don't tie P1/P2 cables and P3 cables together.
3.2 P2 - Fault Output Connector
Pin
(1) Maximum 30V/100mA output
ALM+
(2) Sinking or sourcing
(3) The resistance between ALM+ and ALM- is low impedance as default, and will change to
high when the drive goes into error protection.
ALM-
(4) Fault connection refer to

3.3 P3 - Motor and Power Supply Connector

Pin Function
GND Power supply ground connection.
+Vdc Power supply positive connection. Suggest 24-48VDC power supply voltage
A+, A- Motor Phase A connections. Connect motor A+ wire to A+ Pin; motor A- wire to A-
B+, B- Motor Phase B connections. Connect motor B+ wire to B+ Pin; motor B- wire to B-
!
Warning: Don't plug or unplug the P1&P2&P3 terminal block to avoid drive damage or injury when
Warning
DM542T(V4.0) is powered on.

3.4 LED Light Indication

There are two LED lights for DM542T(V4.0). The GREEN one is the power indicator which will be always on generally.
The RED one is a protection indicator which will flash 1-2 times in a 3-second period, when protection enabled for a
DM542T(V4.0). Different number of flashes indicates different protection type (read section 11 for detail).
DM542T(V4.0) Digital Stepper Drive User Manual
Details
must need
Details
chapter 4.2
Details
3
to set S2 (figure 2) if it is 5V