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1 Introduction
1-2
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
1-1
Using this Manual
This manual provides information in the table below as would be required in actual applications. You
should read Section 1 Introduction first. Then read information in the rest of the manual and related
manuals as required by your specific application.
Information
Section
Item
Overview and appearance of the Unit
2-1 Component Names and Functions
Overview, features, and specifications of
serial communications modes
Basic procedures and operations
Selecting serial communications modes
1-7 Selecting the Serial Communications
Mode
System configurations for serial commu-
nications modes
Allocations of device variables for CJ-
series Units to the Unit and related sys-
tem-defined variables
2 Initial Settings and Allocations of
Device Variable for CJ-series Unit
2-2 Data Exchange with the CPU Unit
2-3 Device Variable for CJ-series Unit
Installing and wiring the Unit
---
Allocations of device variables for CJ-
series Units in each serial communica-
tions mode
4-2 Device Variables for CJ-series Unit
and System-defined Variables (Protocol
Macro Mode)
5-2 Device Variables for CJ-series Unit
and System-defined Variables (During
Serial Gateway Mode)
6-2 Device Variables for CJ-series Unit
and System-defined Variables (No-proto-
col Mode)
7-2 Device Variables for CJ-series Unit
and System-defined Variables (Modbus-
RTU Slave Mode)
8-2 Device Variable for CJ-series Unit
(Loopback Test)
Ladder diagram programming in protocol
macros
Loopback tests for communications
ports
Troubleshooting and maintenance
9 Troubleshooting and Maintenance
---
The contents of standard system proto-
cols and connection methods to OMRON
components
Ref A Standard System Protocol
---
Details on the protocol macro function
CX-Protocol Ver.1.9 OPERATION Manual (Cat.No. W344)
Содержание CJ1W-SCU22
Страница 192: ...4 Using Protocol Macros 4 56 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494...
Страница 250: ...6 No protocol Mode 6 22 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494...
Страница 460: ...A Standard System Protocol R 126 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494...
Страница 473: ...Index 1 CJ series Serial Communications Units Operation Manual for NJ series CPU Unit W494 I Index...