Allen-Bradley Micro800

Rockwell Automation Publication 2080-RM001D-EN-E - February 2015 3
Table of contents
In This Manual ..................................................................................................... 13
Supported Controllers ......................................................................................... 13
Additional Resources ........................................................................................... 14
Chapter 1
Instruction blocks ................................................................................................. 15
Operators ........................................................................................................ 16
Functions ........................................................................................................ 16
Function blocks.............................................................................................. 18
Instruction set in alphabetical order ................................................................. 19
Instruction set by type and function ................................................................. 23
Chapter 2
LD program ........................................................................................................... 29
LD program development environment .......................................................... 30
Chapter 3
Rung ................................................................................................................. 31
Instruction Block (LD) ................................................................................ 35
Coil ................................................................................................................... 39
Contact ............................................................................................................ 44
Return .............................................................................................................. 48
Jump ................................................................................................................. 49
Instruction blocks in LD programs ................................................................... 49
Working in the LD language editor .................................................................. 50
Ladder Diagram (LD) program examples ........................................................ 52
Example: R_TRIG function block ............................................................. 52
Example: Comparing Real Values using Subtraction (-) ABS, and Less
than (<) ........................................................................................................... 53
LD Keyboard shortcuts ....................................................................................... 54
Chapter 4
LIM_ALRM .......................................................................................................... 58
Preface
Finding information about
instructions and ladder
elements
Ladder Diagram (LD)
language
Ladder Diagram (LD)
elements
Alarm instruction