Connecting Switches To Umi-7774/7772 Sinking Inputs - National Instruments UMI-7774 User Manual

Vcc
UMI-7774/7772
© National Instruments Corporation
Chapter 3
Current Limiter
Figure 3-18. UMI-7774/7772 Optically Isolated Sourcing Digital Output Interface
Circuit and Connection to an External Load
Connecting Switches to UMI-7774/7772 Sinking
Inputs
Figure 3-19 shows an example of connecting a physical switch to a general
purpose Digital Input on the UMI-7774/7772. You can make the same type
of connection for the following UMI-7774/7772 sinking inputs:
• Limits and Home
• Triggers
• Inhibit All
• Shutdown
• General-Purpose Digital Input
Connecting the UMI-7774/7772 to Drives and Other Devices
3-29 National Instruments UMI-7774/7772 User Manual
Viso
Current
Sense
Digital
Output
Load
Ciso