Item Type: Stepper Motor Driver Parameter: DM542L Minimum Continuous Output Current: 1A Maximum Continuous Output Current: 4.2A Minimum Input Power Supply Voltage: 18V DC Typical Input Power Supply Voltage: 24V DC Maximum Input Power Supply Voltage: 48V DC Minimum Logic Input Current: 7mA Typical Logic Input Current: 10mA Maximum Logic Input Current: 20mA Maximum Power of The Whole Machine: 100W Pulse Frequency: 0-200kHz Minimum Insulation Resistance: 500M Maximum Logic Current of Digital Output Port: 100mA Maximum Withstand Voltage of Digital Output Port: 24V Cooling Mode: Natural cooling or external radiator. Usage: Avoid dust, oil mist and corrosive gas. Temperature: 0 - 50 Ambient Humidity: 40-90% RH Operating Environment Vibration: 10~55Hz/0.15mm Storage Temperature: -20- +65 Interface definition: Terminal 1 Symbol: A+ Terminal 1 Name: A Phase Motor Winding+ Terminal 1 Wire Color Terminal 2 Symbol: A- Terminal 2 Name: A Phase Motor Winding- Terminal 2 Wire Color Terminal 3 Symbol: B+ Terminal 3 Name: B Phase Motor Winding+ Terminal 3 Wire Color Terminal 4 Symbol: B- Terminal 4 Name: B Phase Motor Winding- Terminal 4 Wire Color Terminal 5 Symbol: VCC Terminal 5 Name: Input DC Voltage Positive Terminal 5 Wire Color 18-48V DC Terminal 6 Symbol: GND Terminal 6 Name: Input DC Voltage Negative Terminal 6 Wire Color 18-48V DC Control Signal Terminal: Terminal 1 Symbol: DIR- Terminal 1 Name: Direction Negative Input Terminal 1 Signal source +5V~24V universal, no need to connect resistance in series. Terminal 2 Symbol: DIR+ Terminal 2 Name: Direction Positive Input Terminal 2 Signal source +5V~24V universal, no need to connect resistance in series. Terminal 3 Symbol: PUL- Terminal 3 Name: Pulse Negative Input Terminal 3 Signal source +5V~24V universal, no need to connect resistance in series. Terminal 4 Symbol: PUL+ Terminal 4 Name: Pulse Positive Input Terminal 4 Signal source +5V~24V universal, no need to connect resistance in series. Terminal 5 Symbol: ENA- Terminal 5 Name: Motor Enable Negative Input Terminal 5 When the signal is valid, the motor is in free state and does not stall. Terminal 6 Symbol: ENA+ Terminal 6 Name: Motor Enable Positive Input Terminal 6 When the signal is valid, the motor is in free state and does not stall. Terminal 7 Symbol: ALM- Terminal 7 Name: Alarm Signal Negative Output Terminal 8 Symbol: ALM+ Terminal 8 Name: Alarm Signal Positive Output Fault Fault Coding 1: Er01 Fault Description 1: Motor Overcurrent Solution 1: Return to factory for inspection. Fault Coding 2: Er02 Fault Description 2: Drive Overvoltage Solution 2: Detect whether the motor is short-circuited or reduce the current. Fault Coding 3: Er03 Fault Description 3: Hardware Fault Solution 3: Check whether the input voltage is too high. Parameter Monitoring Function Coding 1: L-00 Function Description 1: Speed Function Introduction 1: Monitor the current speed, voltage and current in real time, check whether the driver works normally, and solve it in time in case of abnormality. Function Coding 2: L-01 Function Description 2: Pulse Speed Function Introduction 2: Monitor the current speed, voltage and current in real time, check whether the driver works normally, and solve it in time in case of abnormality. Function Coding 3: L-02 Function Description 3: Given Pulse Number Function Introduction 3: Monitor the current speed, voltage and current in real time, check whether the driver works normally, and solve it in time in case of abnormality. Function Coding 4: L-03 Function Description 4: Useless Function Introduction 4: Monitor the current speed, voltage and current in real time, check whether the driver works normally, and solve it in time in case of abnormality. Function Coding 5: L-05 Function Description 5: Driver Fault Coding Function Introduction 5: Check the number of received pulses in real time to determine whether the motor is out of step._x00