Item Type: Stepper Motor Driver_x000D_ Parameter: DM542L_x000D_ Minimum Continuous Output Current: 1A_x000D_ Maximum Continuous Output Current: 4.2A_x000D_ Minimum Input Power Supply Voltage: 18V DC_x000D_ Typical Input Power Supply Voltage: 24V DC_x000D_ Maximum Input Power Supply Voltage: 48V DC_x000D_ Minimum Logic Input Current: 7mA_x000D_ Typical Logic Input Current: 10mA_x000D_ Maximum Logic Input Current: 20mA_x000D_ Maximum Power of The Whole Machine: 100W_x000D_ Pulse Frequency: 0-200kHz_x000D_ Minimum Insulation Resistance: 500M_x000D_ Maximum Logic Current of Digital Output Port: 100mA_x000D_ Maximum Withstand Voltage of Digital Output Port: 24V_x000D_ Cooling Mode: Natural cooling or external radiator. _x000D_ Usage: Avoid dust, oil mist and corrosive gas. _x000D_ Temperature: 0 - 50_x000D_ Ambient Humidity: 40-90% RH_x000D_ Operating Environment Vibration: 10~55Hz/0.15mm_x000D_ Storage Temperature: -20- +65 _x000D_ Interface definition:_x000D_ Terminal 1 Symbol: A+_x000D_ Terminal 1 Name: A Phase Motor Winding+_x000D_ Terminal 1 Wire Color _x000D_ Terminal 2 Symbol: A-_x000D_ Terminal 2 Name: A Phase Motor Winding-_x000D_ Terminal 2 Wire Color _x000D_ Terminal 3 Symbol: B+_x000D_ Terminal 3 Name: B Phase Motor Winding+_x000D_ Terminal 3 Wire Color _x000D_ Terminal 4 Symbol: B-_x000D_ Terminal 4 Name: B Phase Motor Winding-_x000D_ Terminal 4 Wire Color _x000D_ Terminal 5 Symbol: VCC_x000D_ Terminal 5 Name: Input DC Voltage Positive_x000D_ Terminal 5 Wire Color 18-48V DC_x000D_ Terminal 6 Symbol: GND_x000D_ Terminal 6 Name: Input DC Voltage Negative_x000D_ Terminal 6 Wire Color 18-48V DC_x000D_ Control Signal Terminal: _x000D_ Terminal 1 Symbol: DIR-_x000D_ Terminal 1 Name: Direction Negative Input_x000D_ Terminal 1 Signal source +5V~24V universal, no need to connect resistance in series. _x000D_ Terminal 2 Symbol: DIR+_x000D_ Terminal 2 Name: Direction Positive Input_x000D_ Terminal 2 Signal source +5V~24V universal, no need to connect resistance in series. _x000D_ Terminal 3 Symbol: PUL-_x000D_ Terminal 3 Name: Pulse Negative Input_x000D_ Terminal 3 Signal source +5V~24V universal, no need to connect resistance in series. _x000D_ Terminal 4 Symbol: PUL+_x000D_ Terminal 4 Name: Pulse Positive Input_x000D_ Terminal 4 Signal source +5V~24V universal, no need to connect resistance in series. _x000D_ Terminal 5 Symbol: ENA-_x000D_ Terminal 5 Name: Motor Enable Negative Input_x000D_ Terminal 5 When the signal is valid, the motor is in free state and does not stall. _x000D_ Terminal 6 Symbol: ENA+_x000D_ Terminal 6 Name: Motor Enable Positive Input_x000D_ Terminal 6 When the signal is valid, the motor is in free state and does not stall. _x000D_ Terminal 7 Symbol: ALM-_x000D_ Terminal 7 Name: Alarm Signal Negative Output_x000D_ Terminal 8 Symbol: ALM+_x000D_ Terminal 8 Name: Alarm Signal Positive Output_x000D_ Fault _x000D_ Fault Coding 1: Er01_x000D_ Fault Description 1: Motor Overcurrent_x000D_ Solution 1: Return to factory for inspection. _x000D_ Fault Coding 2: Er02_x000D_ Fault Description 2: Drive Overvoltage_x000D_ Solution 2: Detect whether the motor is short-circuited or reduce the current. _x000D_ Fault Coding 3: Er03_x000D_ Fault Description 3: Hardware Fault_x000D_ Solution 3: Check whether the input voltage is too high. _x000D_ Parameter Monitoring _x000D_ Function Coding 1: L-00_x000D_ Function Description 1: Speed_x000D_ 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. _x000D_ Function Coding 2: L-01_x000D_ Function Description 2: Pulse Speed_x000D_ 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. _x000D_ Function Coding 3: L-02_x000D_ Function Description 3: Given Pulse Number_x000D_ 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. _x000D_ Function Coding 4: L-03_x000D_ Function Description 4: Useless_x000D_ 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. _x000D_ Function Coding 5: L-05_x000D_ Function Description 5: Driver Fault Coding_x000D_ Function Introduction 5: Check the number of received pulses in real time to determine whether the motor is out of step._x00