Omron SYSMAC CS Series User Manual

245
How to Use the Step Ladder Program Block Appendix A
List of Basic Instructions
Command Ladder
symbol
Operand Description Input
conditions
°:Can be used
×:Cannot be used
In logic
sequence
In step
sequence
Input
type
LOAD Read source
block
address/
ITEM number
Indicates a logical start of the
logic block, creates an ON/
OFF execution condition
based on the ON/OFF status
of the contact, and connects
to the next stage.
Not
required
°°
LOAD NOT Read source
block
address/
ITEM number
Indicates a logical start of the
logic block, creates an ON/
OFF execution condition
based on the reverse of the
ON/OFF status of the contact,
and connects to the next
stage.
Not
required
°°
AND Read source
block
address/
ITEM number
Takes a logical AND of the
status of the contact and the
current execution condition.
Required ° °
AND NOT Read source
block
address/
ITEM number
Reverses the status of the
contact and takes a logical
AND with the current execu-
tion condition.
Required ° °
OR Read source
block
address/
ITEM number
Takes a logical OR of the sta-
tus of the contact and the cur-
rent execution condition.
Required ° °
OR NOT Read source
block
address/
ITEM number
Reverses the status of the
contact and takes a logical
OR with the current execution
condition.
Required ° °
AND LOAD 000000 (fixed) Takes a logical AND between
circuit blocks.
Required
(2 or more)
°°
OR LOAD 000000 (fixed) Takes a logical OR between
circuit blocks.
Required
(2 or more)
°°
Circuit block
Circuit block
Circuit block
Circuit block

Omron SYSMAC CS Series Specifications

General

Brand	Omron
Model	SYSMAC CS Series
Category	Controller
Language	English