300 Rockwell Automation Publication 2080-UM002K-EN-E - March 2019
Appendix D User Interrupts
Using the Event Input
Interrupt (EII) Function
The EII (Event Input Interrupt) is a feature that allows the user to scan a specific
POU when an input condition is detected from a field device.
EII0 is used in this document to define how EII works.
Configure EII Input Edge from the Embedded I/O configuration window.
Configure the EII from the Interrupt Configuration window.
Event Input Interrupt (EII)
Function Configuration and
Status
EII Function Configuration
The Event Input Interrupt Function has the following related configuration
parameters.
EII Program POU
This is the name of the Program Organizational Unit (POU) which is executed
immediately when this EII Interrupt occurs. You can choose any
pre-programmed POU from the drop-down list.
EII Auto Start (EII0.AS)
AS (Auto Start) is a control bit that can be used in the control program. The auto
start bit is configured with the programming device and stored as part of the user
program. The auto start bit automatically sets the Event User Interrupt Enable bit
when the controller enters any executing mode.
Sub-Element Description Data Format User Program
Access
AS - Auto Start binary (bit) read only
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