Features CLOSED LOOP CONTROL: Digital stepper motor driver adopts advanced vector current, speed and position closed loop control algorithm CURRENT RANGE: The driver static current and dynamic current ratio can be set arbitrarily, in the range of 0‑7A APPLICABLE MODEL: Motor standard 1000 line high accuracy encoder, can drive 42‑60 full series of two phase hybrid stepper servo motor SIGNAL AND FREQUENCY: Stepper motor driver uses optocoupler to isolate differential signal input, pulse response frequency up to 300KHZ VARIOUS PROTECTION: With overcurrent, overvoltage, overspeed, overheating, tracking error and other protection functions, support for command control mode Specification: Item Type: Stepper Motor Driver Color: Black shell Model: HBS57H Terminal Interface: A+, Access Mode: A phase motor winding + Terminal Interface: A-, Access Mode: A phase motor winding - Terminal Interface: B+, Access Mode: B phase motor winding + Terminal Interface: B-, Access Mode: B phase motor winding - Terminal Interface: +VDC. Access Mode: Power input positive Terminal Interface: GND, Access Mode: Power input negative Terminal Interface: EB+, Access Mode: Motor encoder B phase positive input Terminal Interface: EB-, Access Mode: Motor encoder B phase negative input Package List: 1 x Stepper Motor Driver Package List 1 x Stepper Motor Driver