... mm) Features:1. By using of DSP chip.2. Communication with RS485.3. Wide velocity ratio, constant torque ratio, speed ... arithmetic to accomplish the PWM controlFeedback signalIncremental encoder 2500P/R with U, V,W signal(standard)Control modePosition, Speed,Test, ... drive forbidden 4.reverse rotation driver forbidden, 5.error counter clear/internal speed choose 1 6.command pulse forbidden/internal ...