This is a dedicated DC motor control module.The module has multiple built-in fixed operating modes, allowing users to quickly select the appropriate motion trajectory. It can save and set time/speed/delay/cycle count even after power failure. It can operate independently or be used with other systems. Suitable for general industrial control applications.Uses a TTL serial port interface, communication protocol is MODBUS-RTU, baud rate is 9600. This product only supports function codes 0x03, 0x06, and 0x10.Product Model: ZK-DMC02 DC Motor Control Driver with Brushed Speed ControlCompatible Motor: DC MotorPower Supply Range: DC 12-30V UniversalDrive Method: H-bridgeDrive Capacity: Up to 10A RMSDrive Frequency: 1kHzControl Modes: 23 typesCommunication Method: MODBUSInstruction Features: Simplified and optimized multiple commonly used instructionsAcceleration/Deceleration Control: YesInput Reverse Connection Protection: YesRemote Communication Control: TTL Serial PortMain System Functions: Automatic, Manual, Setting, Serial Port ControlCycle Count: 1-9999 timesInput Power Supply: DC Power SupplyProtection Function: Settable Protection CurrentExpansion Interfaces: Power Supply/Button/Limit/OutputOperating Environment: -10℃~60℃ (Non-condensing)Color: As ShownMaterial: plasticPackage Contents:1 * DC Motor ControllerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.