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Operating Environment and other Specifications
Cooling
Environment
Ambient Temperature
Operating Environment
Humidity
Operating Temperature
Vibration
Storage Temperature
Weight
3. Pin Assignment and Description
The DM432C has two connectors, connector P1 for control signals connections, and connector P2 for
power and motor connections. The following tables are brief descriptions of the two connectors.
More detailed descriptions of the pins and related issues are presented in section 4, 5, 9.
Connector P1 Configurations
Pin Function
Pulse signal: In single pulse (pulse/direction) mode, this input represents pulse
signal, each rising or falling edge active (software configurable); 4-5V when
PUL+
PUL-HIGH, 0-0.5V when PUL-LOW. In double pulse mode (pulse/pulse) ,
this input represents clockwise (CW) pulse，active both at high level and low
level (software configurable). For reliable response, pulse width should be
PUL-
longer than 2.5μs. Series connect resistors for current-limiting when +12V or
+24V used. The same as DIR and ENA signals.
DIR signal: In single-pulse mode, this signal has low/high voltage levels,
representing two directions of motor rotation; in double-pulse mode (software
DIR+
configurable), this signal is counter-clock (CCW) pulse，active both at high
level and low level (software configurable). For reliable motion response, DIR
signal should be ahead of PUL signal by 5μs at least. 4-5V when DIR-HIGH,
0-0.5V when DIR-LOW. Please note that rotation direction is also related to
DIR-
motor-driver wiring match. Exchanging the connection of two wires for a coil
to the driver will reverse motion direction.
Enable signal: This signal is used for enabling/disabling the driver. High level
ENA+
(NPN control signal, PNP and Differential control signals are on the contrary,
namely Low level for enabling.) for enabling the driver and low level for
ENA-
disabling the driver. Usually left UNCONNECTED (ENABLED).
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DM432C Digital Stepping Driver Manual V1.0
Natural Cooling or Forced cooling
Avoid dust, oil fog and corrosive gases
0 ℃ －50 ℃ (32℉－122℉)
40%RH－90%RH
70 ℃ (158℉) Max
2
5.9m/s
Max
-20 ℃ －65 ℃ (-4℉－149℉)
Approx. 190g (6.8 oz)
Details
3
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Selecting Active Pulse Edge and Control Signal Mode
The DM432C supports PUL/DIR and CW/CCW modes and pulse active at rising or falling edge. See
more information about these settings in Section 13. Default setting is PUL/DIR mode and rising
edge active (NPN, and PNP control signal is on the contrary).
Connector P2 Configurations
Pin Function
+Vdc
Power supply, 20~40 VDC, Including voltage fluctuation and EMF voltage.
GND
Power Ground.
A+, A-
Motor Phase A
B+, B-
Motor Phase B
4. Control Signal Connector (P1) Interface
The DM432C can accept differential and single-ended inputs (including open-collector and PNP
output). The DM432C has 3 optically isolated logic inputs which are located on connector P1 to
accept line driver control signals. These inputs are isolated to minimize or eliminate electrical noises
coupled onto the drive control signals. Recommend use line driver control signals to increase noise
immunity of the driver in interference environments. In the following figures, connections to
open-collector and PNP signals are illustrated.
Figure 2: Connections to open-collector signal (common-anode)
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DM432C Digital Stepping Driver Manual V1.0
Details
4
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