20-50V DC Max 4.2A CNC Digital DM542 2-phase Digital Stepper Motor Driver

20-50V DC Max 4.2A CNC Digital DM542 2-phase Digital Stepper Motor DriverSpecificationModel Name: DM542Type: 2-Phase Digital Stepper Motor DriverControl Method: Pulse Direction (PUL/DIR)Motor Compatibility: 2-phase and 4-phase hybrid stepper motorsRecommended Motor Types:NEMA 17, 23, and 24 (bipolar stepper motors)Rated current: ≤ 4.2AInput Power RequirementsPower Supply Voltage: 20V to 50V DCRecommended Supply Voltage: 36V to 48V DCMaximum Input Current: ≤5A (based on load)Protection Features:Overvoltage ProtectionUndervoltage ProtectionOvercurrent ProtectionOverheating ProtectionShort-circuit ProtectionOutput (Motor Drive) SpecificationsPeak Output Current: 1.0A to 4.2A (adjustable via DIP switch)Current Resolution: 8 selectable settings (from 1.0A to 4.2A)Current Control Type: Advanced bipolar constant current chopper controlHolding Current: Reduced automatically when idle to reduce heat (default 50%)Step Resolution: 1 to 128 microstepsStep Modes:Full StepHalf StepMicrostep modes (1/2, 1/4, 1/8, …, 1/128)Input Signal InterfaceLogic Signal Voltage:Low Level: 0 – 0.5VHigh Level: 4 – 5V (compatible with 3.3V/5V logic)Signal Inputs:PUL / PUL− (Pulse Input)DIR / DIR− (Direction Input)ENA / ENA− (Enable Input)Input Signal Frequency: Max 200 kHzIsolation: Opto-isolated input terminals for noise immunityDIP Switch SettingsCurrent Setting DIP Switch (SW1–SW3):SW1SW2SW3Peak Current (A)RMS Current (A)OFFOFFOFF1.000.71ONOFFOFF1.461.04OFFONOFF1.911.36ONONOFF2.371.69OFFOFFON2.842.03ONOFFON3.312.36OFFONON3.762.69ONONON4.203.00Microstep Setting DIP Switch (SW5–SW8):SW5SW6SW7SW8MicrostepOFFOFFOFFOFF400ONOFFOFFOFF800OFFONOFFOFF1600ONONOFFOFF3200OFFOFFONOFF6400ONOFFONOFF12800OFFONONOFF25600ONONONOFF51200OFFOFFOFFON1000ONOFFOFFON2000OFFONOFFON4000ONONOFFON5000OFFOFFONON8000ONOFFONON10000OFFONONON20000ONONONON25000Mechanical SpecificationsEnclosure Type: Aluminum heat sink with air ventsCooling Method: Natural air cooling or forced air coolingDimensions: 118mm × 75.5mm × 34mm (L × W × H)Weight: ~280gMounting Method: Vertical panel mounting / DIN rail (optional)Connectors: Screw-type terminal blocksTypical ApplicationsCNC Machines (Milling, Laser, Plasma, Engraving)3D Printers & PlottersRobotics and Actuator ControlIndustrial Automation SystemsCamera Sliders, Telescopic Machines, Conveyor SystemsVISIT OUR FACEBOOK PAGE FOR MORE INFO | MORE PRODUCT IN OUR SHOP SKU: LKMOD00162 Category: Module