Description: 1: New 32-bit DSP technology, optically isolated differential signal input (26LS32), ultra-low vibration noise 2: Subdivision setting range is 2-128, built-in 500 octave high segment (selected subdivision value) 3: drive 4.6.8 line two-phase stepper motor, the current setting can be directly selected at rated 4: static current automatically halved, the impulse response frequency up to 250KHZ 5: with overvoltage, undervoltage, short circuit protection, alarm output function I / O port, alarm clear input ENA Specification: Electrical indicators 1: Supply voltage 30VAC (DC40V) ~ 80VAC (DC110V) 2: normal working output current 2.1 -8.4A 3: Logic input current 10mA 4: step pulse corresponding to the maximum frequency of 250KHZ Package Includes: 1 Piece 2DM860H stepper motor driver