Common Phase 1,2
This output can be connected to the center tab of Winding B of a two-
phase stepper motor. The voltage seen at this pin is pulse-width
modulated with a maximum amplitude of 48V DC.
Travel Limit(+) Input
This input is pulled-up to +5V with a 4.7KΩ resistor by the controller
and represents the stage negative direction hardware travel limit. The
active true state is user-configurable. (default is active HIGH).
Travel Limit(-) Input
This input is pulled-up to +5V with a 4.7KΩ resistor by the controller
and represents the stage negative direction hardware travel limit. The
active true state is user-configurable (default is active HIGH).
Encoder A(+) Input
The A(+) input is pulled-up to +5V with a 1KΩ resistor. The signal is
buffered with a 26LS32 differential receiver. The A(+) encoder
encoded signal originates from the stage position feedback circuitry
and is used for position tracking.
Encoder A(-) Input
The A(-) input is pulled-up to +5V and pulled down to ground with
1KΩ resistors. This facilitates both single- and double-ended signal
handling into a 26LS32 differential receiver. The A(-) encoder
encoded signal originates from the stage position feedback circuitry
and is used for position tracking.
Encoder B(+) Input
The B(+) input is pulled-up to +5V with a 1KΩ resistor. The signal is
buffered with a 26LS32 differential receiver. The B(+) encoder
encoded signal originates from the stage position feedback circuitry
and is used for position tracking.
Encoder B(-) Input
The B(-) input is pulled-up to +5V and pulled down to ground with
1KΩ resistors. This facilitates both single- and double-ended signal
handling into a 26LS32 differential receiver. The B(-) encoder
encoded signal originates from the stage position feedback circuitry
and is used for position tracking.
Encoder Ground
Ground reference for encoder feedback.
C-4 Appendix C – Connector Pin Assignments
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