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4
.
Overview
4
4. Overview
This document describes the procedures for connecting Displacement Sensor (hereinafter
referred to as Sensor Controller) to CJ-series Programmable Cont Serial
Communications Unit (hereinafter referred to as PLC) using serial communications, both
produced by OMRON Corporation (hereinafter referred to as OMRON), and for checking their
connections.
Refer to
Section 6. Serial Communications Settings
and
Section 7. Serial Communications
Connection Procedure
to understand setting methods and key points to send / receive
messages using the serial communications.
The ladder program in a prepared CX-Programmer project file and the protocol macro data in
a prepared CX-Protocol project file are used to check the serial connection by sending or
receiving a message of ''version information acquisition'' to/from Sensor Controller.
■ Sending /receiving the ''version information acquisition'' message
PLC
Serial communications
(RS-232C)
Sensor Controller
Sending the command data
Executing the command
Receiving the response data
and storing in memory
Returning the response data
Prepare latest project files of both CX-Programmer and CX-Protocol beforehand.
To obtain a project file, contact your OMRON representative.
Name
File name
Version
CX-Programmer project file
(extension: cxp)
P652_CJ_PMCR232C_OMRON_ZW-7000_
EV100.cxp
Ver.1.00
CX-Protocol project file
(extension: psw)
P652_CJ_PMCR232C_OMRON_ZW-7000_
EV100.psw
Ver.1.00
This document aims to explain wiring methods and communications settings
necessary to connect corresponding devices and to provide setting procedures.
The program used in this document is designed to check if the connections are
properly established, and is not designed to be constantly used at a site.
Therefore, functionalities and performances are not sufficiently taken into
consideration.
When you construct an actual system, please use the wiring methods,
communications settings and setting procedures described in this document as
a reference and design a new program according to your application needs. .
Command data
Response data
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