Origin Search Instructions - Omron SYSMAC CJ Series User Manual

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Origin Search Instructions

ORIGIN SEARCH (ORG(889)) Instruction
Execute the ORG(889) instruction in the ladder program to perform an origin search with the specified
parameters.
ORG
P
C
Precautions for Correct Use Precautions for Correct Use
Limit Sensor Application
Create a program that can detect the limit sensor when performing an origin search.
The OUT instruction is used in the ladder program to write signals received from the CW limit
sensor and CCW limit sensor connected to normal inputs to the Auxiliary Area bits.
Normal input from
CW limit sensor
Normal input from
CCW limit sensor
Bits Written in the Auxiliary Area
Auxiliary Area
bit
Word Bit
A540 08
09
A541 08
09
A542 08
09
A543 08
09
CJ2M CPU Unit Pulse I/O Module User's Manual
P: Port specifier
Pulse output 0: 0000 hex
Pulse output 1: 0001 hex
Pulse output 2: 0002 hex
Pulse output 3: 0003 hex
C: Control data
Origin search and CW/CCW method: 0000 hex
Origin search and pulse + direction output method: 0100 hex
CW limit input signal
A540.08 to A543.08
CCW Limit Input Signal
A540.09 to A543.09
Pulse Output 0 CW Limit Input Signal Flag
Pulse Output 0 CCW Limit Input Signal Flag
Pulse Output 1 CW Limit Input Signal Flag
Pulse Output 1 CCW Limit Input Signal Flag
Pulse Output 2 CW Limit Input Signal Flag
Pulse Output 2 CCW Limit Input Signal Flag
Pulse Output 3 CW Limit Input Signal Flag
Pulse Output 3 CCW Limit Input Signal Flag
8 Pulse Outputs
Name
Signals received from external sen-
sors connected to normal inputs
must be written to the Auxiliary Area
bits in the user program.
8
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