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National Instruments Corporation
3
MCA-7724 Motion Axis Router
3 + 1 Connectivity Option
Controller axes 1, 2, and 3 correspond to axes 1, 2, and 3 on connector C,
and controller axis 4 corresponds to axis 1 on connector D, as shown in
Figure 3.
Figure 3.
3 + 1 Connectivity Option
Axis Signals
The per axis and shared signals from the controller are listed below.
Note
A line above the signal name indicates that the signal is active-low.
Per Axis Signals from the Controller
Step (CW)
Dir (CCW)
Encoder Phase A
Encoder Phase B
Encoder Index
Forward Limit Switch
Reverse Limit Switch
Home Switch
Trigger
Breakpoint
Inhibit
Analog Output
Analog Input
Controller
Connector
Axis 1 Signals
Axis 2 Signals
Axis 3 Signals
Shared Signals
Axis 4 Signals
T
o
Controller
Axis
1 Signals
Axis
2 Signals
Axis
4 Signals
Shared
Signals
Axis 1 Signals
Shared Signals
Axis 2 Signals
Axis 3 Signals
Shared Signals
Axis 1 Signals
T
o
Dr
iv
e/Accessor
y
T
o
Dr
iv
e/Accessor
y
Connector
C
Connector
D
Axis
3 Signals
