M542 Microstepping Driver
* Patented technology
* High performance, low cost
* Supply voltage up to +50VDC, current output up to 4.2A peak
* Optically isolated input signals, pulse frequency up to 400 KHz
* Automatic idle-current reduction
* 3-state current control for less motor heating
* 16 selectable resolutions in decimal and binary
* Suitable for 4,6,8 lead motors
* Stepping on upward or downward pulse edge (selectable)
* DIP switch current setting with 8 different value
* CW/CCW mode available (optional)
* Over-voltage and short-circuit protection
* Small size (118x75.5x33mm)
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I jeszcze link do manuala (po angielsku): M542-manual.PDF