Danaher Motion S20630, Installation Manual

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Shell Outer shield connection (wired to PE in the drive).
J12-12
CMD CH A+
J12-13
CMD CH A-
J12-14
CMD CH B+
J12-15
CMD CH B-
Channel A and B inputs can be configured to receive position
commands in 1 of 4 modes. The command channels can be placed
in quadrature, step and direction, up/down, or hold modes. Either
differential or single ended inputs can be received. The drive
defaults to differential quadrature mode.
In quadrature mode A leads B is a negative count, which
corresponds to CCW direction looking into the motor shaft.
In step and direction mode, channel B positive commands positive
direction. The step on channel A is counted on the rising edge.
In up/down mode, channel A is counted up on the rising edge and
channel B is decremented on the falling edge.
The maximum line frequency is 2 MHz, the maximum quadrature
count frequency is 8 MHz, and the minimum pulse width is 250 ns.
Please see Section 3 for more information regarding the use of the A
and B input channels.