Vital CNC Control User Guide
© 2014 Vital Systems, Inc.
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Digital I/O can be configured by going to the Ports and Pins Menu, then the “Input Signals” and Output
Signals tab.
Digital I/O Signals on the DSPMC can be mapped by using setting the Port as 1, and pins 0 – 63. Below is
a table showing the physical pin layout and its corresponding Mach3 pin layout.
Inputs
DSPMC Port
Mach3 Ports and Pins
J4
Port 1, pins 0 – 15
J5
Port 1, pins 16 – 31
J11
Port 1, pins 32 – 47
J12
Port 1, pins 48 – 63
Outputs
DSPMC Port
Mach3 Ports and Pins
J4
Port 1, pins 0 – 7
J5
Port 1, pins 8 – 15
J11
Port 1, pins 16 – 23
J12
Port 1, pins 24 – 31
The image below shows an example for X Home and Limit switches connected to J4 and the Y homing
and limit switches connected on J5. Both must be wired using the 7535 I/O Board.
