dokumentacja emc2 pisze: The Pluto-P is an inexpensive ($60) FPGA board featuring the
ACEX1K(((ACEX1K))) chip from Altera.

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== Pluto Servo[[sec:pluto-servo]](((pluto-servo)))

The pluto_servo system is suitable for control of a 4-axis CNC mill with servo motors, a 3-axis mill with PWM spindle control, a lathe with spindle encoder, etc. The large number of inputs allows a full set of limit switches.

This driver features:

• * 4 quadrature channels with 40MHz sample rate. The counters operate in '4x' mode. The maximum useful quadrature rate is 8191 counts per EMC2 servo cycle, or about 8MHz for EMC2's default 1ms servo rate.
  
  * 4 PWM channels, 'up/down' or 'pwm+dir' style. 4095 duty cycles from -100% to +100%, including 0%. The PWM period is approximately 19.5kHz (40MHz / 2047). A PDM-like mode is also available.
  
  * 18 digital outputs: 10 dedicated, 8 shared with PWM functions. (Example: A lathe with unidirectional PWM spindle control may use 13 total digital outputs)
  
  * 20 digital inputs: 8 dedicated, 12 shared with Quadrature functions. (Example: A lathe with index pulse only on the spindle may use 13 total digital inputs)
  
  * EPP communication with the PC. The EPP communication typically takes around 100 us on machines tested so far, enabling servo rates above 1kHz.

dziabi3 pisze:nie widzę ... rozwiązania innego niż właśnie lpt pod linuxacnc