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3 Pin Assignment and Description
3.1 Connector P1 Configurations
DM420Y:
Pin Function
The falling edge is valid and the pulse goes one step when the pulse goes from
high to low. Built‐in input resistor 384 ohms.
PU
Requirement: Low level 0~0.5V, high level is consistent with common anode end,
pulse width greater than 2.5 microseconds.
Used to change the direction of the motor. Built‐in input resistor 384 ohms.
DR
Requirement: Low level 0~0.5V, high level is consistent with common anode end,
pulse width greater than 2.5 microseconds.
When it is active （low level） , the motor coil current is turned off, the driver stops
working, and the motor is in a free state. Built‐in input resistor 384 ohms.
MF
Requirement: Low level 0~0.5V, high level is consistent with common anode end,
pulse width greater than 2.5 microseconds.
+3.3~24V can be driven, higher than +5V must add current limiting resistor,
3.3~5V does not need to connect current limiting resistor, 24V current limiting
+(5V)
resistor is connected to 2000 ohm, 12V current limiting resistor is connected to
820 ohm
DM542Y\DM556Y\DM860Y:
Pin Function
Connected to the signal power supply, +5~+24V can be driven, higher than 24V
PU+
need to be connected to the current limiting resistor in PU‐.
The falling edge is valid and the pulse goes one step when the pulse goes from
high to low.
PU‐
Requirements: Low level: 0~0.5V, high level 5~24V, pulse width greater than 2.5
microseconds.
Connected to the signal power supply, +5~+24V can be driven, higher than 24V
DR+
need to be connected to the current limiting resistor in DR‐.
Used to change the direction of the motor.
DR‐
Requirements: Low level: 0~0.5V, high level 5~24V, pulse width greater than 2.5
microseconds.
Connected to the signal power supply, +5~+24V can be driven, higher than 24V
MF+
need to be connected to the current limiting resistor in MF‐.
When it is active （low level） , the motor coil current is turned off, the driver stops
MF‐
working, and the motor is in a free state.
Details
Details
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4 Wiring
4.1 Control Signal Connector (P1) Interface
The Y series open‐loop drivers can accept differential and single‐ended inputs (including
open‐collector and PNP output). The Y series open‐loop drivers 3 optically isolated logic inputs which
are located on connector P1 to accept line drive control signals. These inputs are isolated to minimize
or eliminate electrical noises coupled with the drive control signals. Recommend using line drive
control signals to increase noise immunity for the drive in interference environments. In the following
figures, connections to open‐collector and PNP signals are illustrated.
+5V : R1=0, R2=0
+12V : R1=510Ω , R2=820Ω
+24V : R1=1.2KΩ , R2=1.8KΩ
Controller
Drive
Figure 5: Differential wiring method
Figure 7: Common anode wiring method
Controller
Drive
Figure 6: Independent common anode wiring
method
Figure 8: Independent common cathode wiring
method
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