Chapter 3
Connecting the UMI-7774/7772 to Drives and Other Devices
National Instruments UMI-7774/7772 User Manual
3-26
ni.com
Breakpoint
The breakpoint outputs are pass-through signals on the UMI-7774/7772.
The breakpoint connector includes both +5 V output and digital ground.
Refer to Figure 3-1 to locate the Trigger/Breakpoint connector on the
UMI-7774/7772. Refer to Figure 3-17 for the pin locations of the
trigger/breakpoint connector and to Table 3-8 for the corresponding
signals for each pin. Refer to the appropriate National Instruments motion
controller documentation for information about trigger inputs and
breakpoint outputs.
Refer to the
Voltage Considerations for the UMI-7774/7772
section for
voltage information that applies to the trigger input and breakpoint output
wiring.
Table 3-8.
Trigger/Breakpoint Connector Pin Assignment
Pin
Signal
Optically Isolated
1
Breakpoint 1
No
2
Breakpoint 3
No
3
+5 V (Output)
No
4
Digital Ground
No
5
Iso Common
Yes
6
Trigger 1
Yes
7
Trigger 3
Yes
8
Iso Power (Output)
Yes
9
Breakpoint 2
No
10
Breakpoint 4
No
11
Digital Ground
No
12
NC
No
13
Trigger 2
Yes
14
Trigger 4
Yes
15
Iso Common
Yes
