Description: Adopt the latest 32-bit DSP technology, suitable for driving 57, 86 series motors Can drive 4-wire, 8-wire two-phase stepper motors Voltage input range: 18~48 VDC; Maximum current: 4.2A, resolution: 0.1A; Segment range: 400~25600ppr; Signal input: differential/single-ended, pulse/direction or double pulse, compatible with 5~24VDC level; Pulse response frequency: 200KHz; Built-in micro-segmentation Power parameters automatic setting function; Precision current control greatly reduces motor heating. The current is automatically halved at rest; Optical isolation signal input, strong anti-interference ability; With overvoltage, overcurrent protection Specification: Material: Plastic + Metal Size: 85*120*34mm/3.35*4.72*1.34'' Package Includes: 1 piece Two-Phase Stepper Motor DM542