Allen-Bradley MicroLogix 1400 User Manual

Publication 1766-RM001A-EN-P - October 2008
Using Interrupts 315
3. Add the Decimal Values if you selected more than one type of
interrupt.
4. Enter the sum into the UID instruction.
For example, to disable EII Event 1 and EII Event 3:
EII Event 1 = 32, EII Event 3 = 4
32 + 4 = 36 (enter this value)
UIE - User Interrupt
Enable
Instruction Type: output
The UIE instruction is used to enable selected user interrupts. The table
below shows the types of interrupts with their corresponding enable bits:
UIE
User Interrupt Enable
Interrupt Types 4
UIE
Execution Time for the UIE Instruction
Controller When Rung Is:
True False
MicroLogix 1400 3.4226 µs 0.1968 µs
Types of Interrupts Disabled by the UIE Instruction
Interrupt Element Decimal
Value
Corresponding
Bit
EII - Event Input Interrupt Event 4 16384 bit 14
HSC - High-Speed Counter HSC2 8192 bit 13
EII - Event Input Interrupt Event 5 4096 bit 12
HSC - High-Speed Counter HSC3 2048 bit 11
EII - Event Input Interrupt Event 6 1024 bit 10
HSC - High-Speed Counter HSC4 512 bit 9
EII - Event Input Interrupt Event 7 256 bit 8
HSC - High-Speed Counter HSC5 128 bit 7
EII - Event Input Interrupt Event 0 64 bit 6
EII - Event Input Interrupt Event 1 32 bit 5
HSC - High-Speed Counter HSC0 16 bit 4
EII - Event Input Interrupt Event 2 8 bit 3
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Allen-Bradley MicroLogix 1400 Specifications

General

Brand	Allen-Bradley
Model	MicroLogix 1400
Category	Controller
Language	English