M542C Full Digital Stepper Drive Manual V2.0
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1 Introductions
The M542C is a fully digital stepper drive developed with advanced DSP control algorithm based on the latest motion
control technology. It has achieved a unique level of system smoothness, providing optimal torque and nulls mid-range
instability. Its motor auto-identification and parameter auto-configuration feature offers quick setup to optimal modes
with different motors. Compared with traditional analog drives, M542C can drive a stepper motor at much lower noise,
lower heating, and smoother movement. Its unique features make M542C an ideal choice for high requirement
applications.
1.1 Features
Anti-Resonance provides optimal torque and nulls mid-range instability
Motor auto-identification and parameter auto-configuration when power on, offer optimal responses with different
motors
Multi-Stepping allows a low resolution step input to produce a higher microstep output, thus offers smoother
motor movement
15 selectable microstep resolutions including 400, 800, 1600, 3200, 6400, 12800, 25600, 1000, 2000, 4000, 5000,
8000, 10000, 20000, 25000
Soft-start with no “jump” when powered on
Input voltage 20-50VDC
8 selectable peak current including 1.00A, 1.46A, 1.91A, 2.37A, 2.84A, 3.31A, 3.76A, 4.20A
Pulse input frequency up to 200 KHz, optically isolated input
Automatic idle-current reduction
Suitable for 2-phase and 4-phase motors
Support PUL/DIR mode
Over-voltage and over-current protections
1.2 Applications
Suitable for a wide range of stepper motors, size from NEMA17 to 24. It can be used in various kinds of machines,
such as X-Y tables, engraving machines, labeling machines, laser cutters, pick-place devices, and so on. Particularly
adapt to the applications with low noise, low heating, high speed and high precision.
2. Specifications
2.1 Electrical Specifications
Parameters
M542C
Min Typical Max Unit
Output Peak Current 1.0 - 4.2 (3.0 RMS) A
Input Voltage +20 +36 +50 VDC
Logic Signal Current 7 10 16 mA
Pulse input frequency 0 - 200 kHz
Pulse Width 2.5 - - uS
Isolation resistance 500 MΩ
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