Rockwell Automation 2080-LC50 Micro830 and Micro850 Programmable Controllers User Manual - Manual (Page 242)

226 Rockwell Automation Publication 2080-UM002F-EN-E - December 2013
Appendix D User Interrupts
control program if you need to determine when a subroutine cannot execute
immediately.
This bit is automatically set and cleared by the controller. The controller can
process 1 active and maintain up to 1 pending user interrupt conditions before it
sets the lost bit.