Zmotion ECI2820, Hardware Manual, Page: 22 / 28

ECI2820 Network Motion Control Card Hardware Manual Version1.0
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2.2.13.2 Wiring reference for High-speed Differential Pulse or Encoder
Axis
If the low-speed differential pulse meets speed requirement, use low-speed
differential pulse preferentially. Or if need to use high-speed differential pulse, do
connect internal digital GND of controller with GND of high-speed pulse interface
of drive.
High-speed Differential Pulse Connection