DM542T(V4.0) Digital Stepper Drive User Manual
4
4. Control Signal and Output Signal
4.1 Control Signal Connection
The DM542T(V4.0) can accept can accept differential or single-ended control signals (pulse, direction, and enable) in
open-collector or PNP connection through the P1 connector (figure 2). It is recommend to add an EMI line filter
between the power supply and the drive to increase noise immunity for the drive in interference environments.
Figure 4
: Connections to open-collector signal
Figure 5
: Connections to PNP signal
(common-anode)
(common-cathode)
Notes:
(1) ENA signal is no-connected as default;
(2) Control signal amplitude is 24 V as default. If it is 12 V, please set the S2 (Figure 2) selector switch to 5 V first, then
connect 1KΩ resistor; If it is 5V, please set the S2 to 5V.
4.2 Fault Output Connection
When over voltage or over current protection happens, DM542T(V4.0) red status LED light will blink and the
impedance state between ALM+ and ALM- will change (from low to high or high to low depending on configuration)
and can thus be detected. Fault output connection is optional, and it can be connected either in sinking or sourcing.
Figure 6
Sinking output
Figure 7
Sourcing output
5. Motor Connection
The DM542T(V4.0) can drive 2-phase and 4-pahse bipolar hybrid stepper motors.
The 4 lead motors are the least flexible and easy to connect. The output current from drive that is multiply the
specified phase current by 1.4 to determine the peak output current.
Figure 9: 4-lead Motor Connections
Drive
Controller
VCC
PUL-
PUL+
ENA-
PUL
DIR
ENABLE
DIR-
DIR+
ENA+
Drive
Controller
VCC
PUL-
PUL+
ENA-
PUL
DIR
ENABLE
DIR-
DIR+
ENA+