258 Rockwell Automation Publication 1715-UM001J-EN-P - December 2020
Appendix B          1715-IB16D Digital Input Module Diagnostics
Figure 75 - Threshold Settings
Threshold Diagnostics Settings
There are three types of threshold diagnostics settings to choose from in the 
Logix Designer application:
• Full Diagnostics Configuration
• None Diagnostics Configuration
• Custom Diagnostics Configuration
Short 
Circuit
On
Indeterminate
On
Off
Off
Open 
Wire