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If the system needs to use the drive enable signal without using the axis control cables, just connect the signal
directly to SOV.
Drive enable is set up inside Mach3 by setting one of the Enables to port 14 pin 1. Each enable signal
corresponds to an axis (Enable1 = X, Enable2 = Y, etc). Make sure that the axis corresponding to the enable
signal used is enabled under the Motor Outputs tab. For example, a lathe with only the X and Z axes enabled
should not use the Enable2 (Y axis enable) signal.
FIGURE 65 MACH3 DRIVE ENABLE SETUP
Now with the enable circuits set up, the next step is to set up the machine axes.
10 AXES
To set up the axes, the drives must be connected to the controller, the Apollo III controller must be configured,
and the Mach3 software must be set up as defined below.
10.1 Connecting Drives
The Apollo III motion controller uses step and direction to control the axes. It can use differential or single-ended
outputs. For differential outputs there are two signals for step (step + and step -) and two signals for direction
(direction + and direction -). For single-ended there is only one signal for both step and direction. All
MachMotion products use differential outputs.
10.1.1 Differential Control
Most systems use differential step and direction. The step and direction outputs are located on the bottom row of
RJ1, the large RJ45 jack block. See the diagram below.
Apollo III Using Mach3
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