A-2-2 Basic I/O Processing Instructions - Omron CP1E - INTRODUCTION Introduction Manual

A-2 Instructions

A-2-2 Basic I/O Processing Instructions

Instruction Name
Contact LOAD
LOAD NOT
AND
AND NOT
OR
OR NOT
Coil OUT
(Output)
A
OUT NOT
SET
RESET
KEEP RELAY
Note
Writing Contacts
LD (LOAD) / LD NOT (LOAD NOT) Instructions
108
SYSMAC CP1L/CP1E Introduction Manual
Basic I/O processing instructions are used for writing to contacts and coils.
Instruction
LD Used for contacts connected to the bus bar or to the beginning of a
rung block.
LD NOT Used for closed contacts connected to the bus bar or to the
beginning of a rung block.
AND Used for contacts connected in series.
AND NOT Used for closed contacts connected in series.
OR Used for contacts connected in parallel.
OR NOT Used for closed contacts connected in parallel.
OUT Turns relay coil ON when execution condition is 1, and OFF when
execution condition is 0.
OUT NOT Turns relay coil OFF when execution condition is 1, and ON when
execution condition is 0.
SET Turns relay coil ON when execution condition changes from OFF to
ON. The relay coil will remain ON even when the execution
condition changes back to OFF.
RSET Turns relay coil OFF when execution condition changes from OFF
to ON. The relay coil will remain OFF even when the execution
condition changes back to OFF.
KEEP(011) Makes the specified relay function as a keep relay.
When programming in CX-Programmer, there is no need to think of contacts and
coils (OUTs) as instructions. They can be written into the program by simply
selecting the corresponding symbols.
Use at the bus bar or at the beginning of a rung block.
000000
Bus bar
000001
Function