Ladder Program - Omron Sysmac CJ Series Connection Manual

9.5. Ladder Program

9.5.1. Ladder Program Function Configuration
The functional configu
Major
classification
1.Initialization 1.1 Response code clear
processing 1.2 Operand setting for
1.3 Se
2.PMCR 2.1 PM
instruc tion
exe cution 2.2 P
management
2.3 Nor
3.Normal end 3.1 Normal end processing
state 3.2 Response code setting
management
4.Error end 4.1 Error end processing
state 4.2 R
management
ration of this program is as follows:
Minor classification
PMCR instruction
nd/rec eive symbol
se tting
CR in struction
ex ecutin g
MCR in struction
execution processing
mal/error detection
processing
esponse code setting
Description
Preparation for communications. The
area to be used is cleared and
initialization settings are performed.
The communicatio ns sequence (protocol
macro data) regi stered in the SCU Unit is
identified and exe cuted. Whether the
operation ended normally or abnormally is
determined based on the related flags
and receive data.
The normal completion flag is turned ON.
The response code which indicates the
normal end is set.
The error end flag is turned ON.
The response code is set according to the
error cause.
9. Program
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