Chapter 3
Connecting the UMI-7774/7772 to Drives and Other Devices
National Instruments UMI-7774/7772 User Manual
3-10
ni.com
Figure 3-7.
Example of Wiring a Sinking Output Device to the Fault Input
Figure 3-8.
Example of Wiring a High-Side Switch to the Fault Input
Current Limiter
NPN
(Sinking)
Output Device
Fault –
Fault +
Viso
Ciso
Vcc
UMI-7774/7772
V–
V+
Out
Fault –
Viso
Ciso
Vcc
UMI-7774/7772
High-Side
Switch
Current Limiter
Fault +