Key Features: * Supports MACH3, KCAM4, EMC2 etc ... * Can drive four channels 4.5A stepper motors, input voltage up to 18V - 40V. * Resolution 1, 1/2, 1/4, 1/8, 1/16 micro stepping output. * 100% Full DC-DC optical isolation to protect the user's computer and equipment. * Four channels of 0.4 - 4.5A adjustable output current for 2/4 phase bipolar stepper driver. * Build with 2 ways relay output and 5 ways limit interface * Automatic idle-current reduction. Electrical Properties(ambient temperature Tj = 25 C): * Input Voltage: 12V-45VDC, Recommend DC24V or DC36V * Output Current: Peak Current 5A/phase, 8 Options available * Driving Mode: Constant current PWM Control * Exciting Mode: 1, 1/2, 1/4, 1/8, 1/16 Current Setting Warning: * Make sure the power supply voltage dose not exceed the drive's input range. Double check the connections and make sure the power lead polarity is correct. * Do not set high current to small stepper motor. It is possible that the motor will be damaged. * Disconnect the motor from the load if you are not sure the move direction. Adjust the axis in the middle before trying to run the motor. * Never disconnect the motor lead when the power source is energized.
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