User Manuals: Omron CJ1W-SCU32 Communications Unit

Manuals and User Guides for Omron CJ1W-SCU32 Communications Unit. We have 1 Omron CJ1W-SCU32 Communications Unit manual available for free PDF download: Operation Manual

Omron CJ1W-SCU32 Operation Manual (478 pages)

Machine Automation Controller, CJ / NJ-series, Serial Communications Units, CPU Unit

Brand: Omron | Category: Controller | Size: 4 MB

Introduction

3
Relevant Manuals

4
Manual Configuration

5
- Using Protocol Macros 6
  6
- Serial Gateway 7
  7
Manual Structure

9
Sections in this Manual

11
- Table of Contents
  12
Contents

13
Read and Understand this Manual

17
Safety Precautions

20
Precautions for Safe Use

25
- No-Protocol Mode
  30
Precautions for Correct Use

31
Regulations and Standards

34
Unit Versions

37
Related Manuals

39
Revision History

40
- Introduction
  41
Using this Manual

42
Overview

43
- Loopback Test
  44
Protocol Overview

45
- Protocol Macros
  46
- Loopback Test
  46
- Serial Gateway Mode
  46
- No-Protocol Mode
  47
- Modbus-RTU Slave Mode
  47
Features

48
- Serial Communications Units
  48
- Protocols
  48
System Configurations

50
- Protocol Macro, Serial Gateway, No-Protocol, or Modbus-RTU Slave
  50
Specifications

54
- Serial Communications Unit
  54
- General Specifications
  55
Selecting the Serial Communications Mode

62
Basic Operating Procedure

63
- Overview
  63
- Explanation of Procedure
  64
Component Names and Functions

76
- Troubleshooting and Maintenance
  77
Data Exchange with the CPU Unit

82
- Data Flow
  82
- How to Specify and Create Variables
  86
Device Variable for CJ-Series Unit

88
System-Defined Variable

108
Installing Serial Communications Units

112
Wiring

114
RS-232C and RS-422A/485 Wiring

129
- Recommended RS-232C Wiring Examples
  129
- Recommended RS-422A/485 Wiring Examples
  130
- Wiring RS-232C Connectors on the CJ1W-SCU22/42
  132
- Soldering
  133
- Assembling Connector Hood
  134
- Wiring RS-422A/485 Terminal-Block Connectors on the CJ1W-SCU32/42
  135
- Connecting to Unit
  136
  - Using Protocol Macros
    137
Overview of the Protocol Macro Function

138
- Protocol Macros
  138
- Using the Protocol Macros
  138
- Protocol Structure
  140
- Data Exchange Method for Link Words
  146
Device Variables for CJ-Series Unit and System-Defined Variables (Protocol Macro Mode)

149
Using Protocol Macros

176
- Executing Communications Sequences
  176
- User Program Example
  178
  - Serial Gateway
    193
Serial Gateway Overview

194
- Overview
  194
- Operating Conditions
  194
- Features
  195
- Serial Gateway Specifications
  196
Device Variables for CJ-Series Unit and System-Defined Variables (During Serial Gateway Mode)

197
Using the Serial Gateway

204
Protocol Conversion

214
- Types of Protocol Conversion
  214
- Converting to Compoway/F
  215
- Compoway/F Connection Examples
  217
- Converting to Modbus-RTU
  218
- Converting to Modbus-ASCII
  220
Serial Gateway

221
Communications Frames

225
- Compoway/F
  225
- Modbus-RTU
  226
- Modbus-ASCII
  228
  - No-Protocol Mode
    229
Section 6 No-Protocol Mode

230
Overview

230
- Definition
  230
- Specifications
  231
- Connections for No-Protocol Mode
  232
Device Variables for CJ-Series Unit and System-Defined Variables (No-Protocol Mode)6-5

233
Using Serial Port I/O Instructions

240
- System Settings
  240
- Instruction Execution Methods
  240
  - Using Modbus-RTU Slave Mode
    252
Modbus-RTU Slave System

252
- Modbus-RTU Specifications
  252
- Communicating with NJ-Series CPU Units Using Modbus
  253
Device Variables for CJ-Series Unit and System-Defined Variables (Modbus-RTU Slave Mode)

255
Command and Response Details

263
- Supported Modbus-RTU Commands
  263
  - Loopback Test
    274
Executing Loopback Tests

274
- Overview
  274
- Connection Method
  274
- Procedure
  274
- Indicators Used for the Loopback Test
  275
Device Variable for CJ-Series Unit (Loopback Test)

276
- Device Variables for CJ-Series Unit for System Settings
  276
- Device Variables for CJ-Series Unit for Status
  277
  - Troubleshooting and Maintenance
    279
Indicator Error Displays

280
Communications Status Error Notification

281
- Status Area Error Information
  281
Troubleshooting

282
- Serial Gateway (Serial Gateway or Protocol Macro Mode)
  282
- No-Protocol Mode
  288
- Protocol Macros
  294
- Protocol Macros
  297
- Modbus-RTU Slave Mode
  300
Error Logs

303
- Error Log Data
  303
- Error Contents and Details
  304
- Error Codes and Troubleshooting
  306
Event Logs

308
- Overview of the Event Logs
  308
- Error Table
  308
- Error Descriptions
  314
- Error Table
  314
Cleaning and Inspection

331
- Cleaning
  331
- Inspection
  331
Replacement Precautions

333
- Precautions When Replacing Unit
  333
- Settings after Replacing Unit
  333
- Replacing the Unit
  334
A Standard System Protocol

337
- Reading Reference Documents
  
  337
  - R-1-1 Using Standard System Protocols
    337
  - R-1-2 Standard System Protocols
    340
- Compoway/F Master Protocol
  
  341
- Mitsubishi Computer Link Master (A-Compatible 1C Frame, Model 1
  
  375
  - R-3-1 Communications Specifications
    375
  - Model 1
    375
  - Communications Specifications
    375
  - Command/Response Formats
    376
  - Command Frame Contents
    377
  - R-3-4 Mitsubishi Computer Link Master Protocol Sequences
    377
  - R-3-5 Structure of the Protocol
    377
- V500/V520 Bar Code Reader Protocol
  
  399
  - R-4-1 Connections
    399
  - Connections
    399
  - R-4-2 System Setting
    400
  - System Setting
    400
  - R-4-3 Protocol Configuration
    401
  - Protocol Configuration
    401
- 3Z4L Laser Micrometer Protocol
  
  412
- Hayes Modem at Command Protocol
  
  451
  - R-6-1 Protocol Configuration
    451
  - Connections
    453
  - Compatible Modems
    453
  - R-6-2 Connections
    453
  - R-6-4 Modem Settings
    454
  - R-6-5 Communication Errors
    459
Appendices

461
- A-1 Differences in Available Functions Depending on the CPU Unit (NJ or CJ Series)
  
  461
  - A-1-1 Functional Differences
    462
  - A-1-2 Differences in Methods for Access from a User Program
    463
- Version Information
  
  472

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User Manuals: Omron CJ1W-SCU32 Communications Unit

Omron CJ1W-SCU32 Operation Manual (478 pages)

Table of Contents

Introduction

Relevant Manuals

Manual Configuration

Manual Structure

Sections in this Manual

Contents

Read and Understand this Manual

Safety Precautions

Precautions for Safe Use

Precautions for Correct Use

Regulations and Standards

Unit Versions

Related Manuals

Revision History

Using this Manual

Overview

Protocol Overview

Features

System Configurations

Specifications

Selecting the Serial Communications Mode

Basic Operating Procedure

Component Names and Functions

Data Exchange with the CPU Unit

Device Variable for CJ-Series Unit

System-Defined Variable

Installing Serial Communications Units

Wiring

RS-232C and RS-422A/485 Wiring

Overview of the Protocol Macro Function

Device Variables for CJ-Series Unit and System-Defined Variables (Protocol Macro Mode)

Using Protocol Macros

Serial Gateway Overview

Device Variables for CJ-Series Unit and System-Defined Variables (During Serial Gateway Mode)

Using the Serial Gateway

Protocol Conversion

Serial Gateway

Communications Frames

Section 6 No-Protocol Mode

Overview

Device Variables for CJ-Series Unit and System-Defined Variables (No-Protocol Mode)6-5

Using Serial Port I/O Instructions

Modbus-RTU Slave System

Device Variables for CJ-Series Unit and System-Defined Variables (Modbus-RTU Slave Mode)

Command and Response Details

Executing Loopback Tests

Device Variable for CJ-Series Unit (Loopback Test)

Indicator Error Displays

Communications Status Error Notification

Troubleshooting

Error Logs

Event Logs

Cleaning and Inspection

Replacement Precautions

A Standard System Protocol

Reading Reference Documents

Compoway/F Master Protocol

Mitsubishi Computer Link Master (A-Compatible 1C Frame, Model 1

V500/V520 Bar Code Reader Protocol

3Z4L Laser Micrometer Protocol

Hayes Modem at Command Protocol

Appendices

A-1 Differences in Available Functions Depending on the CPU Unit (NJ or CJ Series)

Version Information

Related Products

Omron Categories