Omron CJ Series - Page 132

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4 Data Exchange with the CPU Unit

4-6

CJ-series PROFIBUS Master Unit Operation Manual for NJ-series CPU Unit (W509)

An 8 point Input Unit and 8 point Output unit are configured for use with the SmartSlice GRT1-PRT I/O

Coupler as shown above.

Main Page

Introduction3
Relevant Manuals4
Manual Configuration5
Manual Structure10
Sections in this Manual12
- Table of Contents14
Contents18
Read and Understand this Manual18
Safety Precautions21
Precautions for Correct Use32
Regulations and Standards35
Unit Versions37
Related Manuals39
Revision History40
- Features and System Configuration41
Overview of PROFIBUS42
- Introduction42
- PROFIBUS Communication Protocol43
- Device Types44
- Bus Access Protocol45
- Diagnostic Functions46
- Protection Mechanisms47
- Network Operation Modes47
- Configuring the PROFIBUS Master48
- FDT/DTM Technology48
- GSD File Technology50
PROFIBUS Master Unit51
- PROFIBUS Master Unit Features51
- Specifications52
CX-Configuratorfdt57
- CX-Configuratorfdt Features57
- Specifications59
Basic Operating Procedure62
- Overview62
- Preparations for Communications63
- Procedures Prior to Starting Communications63
Section 2 Nomenclature and Installation66
Unit Components66
- Nomenclature66
- Indicators66
- Switch Settings67
- PROFIBUS Connector68
Installing the PROFIBUS Master Unit70
- System Configuration Precautions70
- Mounting70
- Handling Precautions71
- External Dimensions71
Network Installation72
- Network Structure72
- Bus Termination74
- PROFIBUS Cable Connector75
- Shielding Precautions76
Software Configuration77
- Configuration Software79
Section 3 Configuration Software80
CX-Configuratorfdt80
- Starting CX-Configuratorfdt80
- CX-Configuratorfdt Main Window80
- Device Catalogue83
- Updating the Device Catalogue86
- Adding Devices to the Network86
- Saving and Opening Projects87
- Exporting to HTML87
- Error Logging and FDT Monitoring88
- Access Control and User Management89
CJ1W-PRM21 PROFIBUS Master DTM93
- Configuration User Interface93
- Diagnostic User Interface106
- Connecting to the CJ1W-PRM21112
Generic Slave Device DTM116
- Configuration User Interface116
- Diagnostic User Interface124
  - Data Exchange with the CPU Unit127
4-1 Data Exchange with the CPU Unit128
- Data Flow128
- Data Exchange with the CPU Unit128
- Accessing from the User Program131
Device Variables for CJ-Series Unit (Software Switches, Statuses)134
- Software Switches (*_Swcmd)135
- Global-Control Command (*_Globctlcmd)137
- Unit Status (*_Unitsta)141
- Master Status (*_Mstrsta)143
- Master Errors (*_Mstrerrsta)145
- Slave Status (*_Slvsta)147
- Actual Bus Cycle Time (*_Actcycletm)148
- Slave Data Exchange Active Flags (*_Slvdatxchg, *_Slvdatxchgl, *_Slvdatxchgh)148
Introduction155
- Adding Devices to the Network158
- Changing Device and DTM Addresses160
5-2 Setting up a Network164
Configuring the Slave Devices164
- Defining the I/O Configuration164
- Setting Parameters166
- Selecting the Group Assignment167
Configuring the Master169
- Setting the Master Parameters170
- Setting the Bus Parameters171
- Defining and Changing the I/O Mapping172
- Configuring CX-Server173
- Downloading the Configuration175
I/O Communication Characteristics177
- I/O Data Configuration177
- Mapping I/O Data177
- Supported Data Types186
- Exchanging I/O Data over PROFIBUS187
- I/O Response Time189
- System Startup Time192
Operating the Network193
- User Access to the Network193
- Changing PROFIUS Mode of the Master Unit194
- Transmitting Global-Control Commands195
- Using Auto-CLEAR199
Monitoring the Network201
- Monitoring the Master Unit and the Network201
- Monitoring Slave Status204
- Using the Error Log206
PROFIBUS DP-V1 Services209
- Configuring and Monitoring Slaves Using Dtms209
- PROFIBUS Services from CPU210
Overview212
Sending Acyclic Messages Using Sendcmd Instructions213
Acyclic Messages217
- Explicit Message Send (2801)217
- Profibus Message Send (2809)219
- Memory Area Read (0101)230
- Error Log Clear (2103)231
  - Troubleshooting and Maintenance233
Overview234
Troubleshooting with the PROFIBUS Master Unit Indicators235
- Indicators235
- Unit Startup Errors235
- Unit Operational Errors236
- Unit Configuration Errors237
- Network Errors238
Troubleshooting Using Error Status241
- Unit Status Word241
- Master Errors Word243
Troubleshooting the Network245
- Troubleshooting Parameter Download245
- Troubleshooting the Network Using CX-Configuratorfdt246
- Troubleshooting I/O Communication250
- Troubleshooting PROFIBUS DP-V1 Communication254
Error Log Functions255
- Overview of the Error Log255
- Error Codes and Detailed Codes256
Event Logs258
- Overview of the Event Logs258
- Error Table258
- Error Table260
- Error Descriptions261
Maintenance and Replacement264
- Cleaning264
- Inspection264
- Replacing Faulty Units265
- Addition/Replacement of Units on the PROFIBUS Network265
Appendices267
Differences in Available Functions Depending on the CPU Unit (NJ/CJ Series) to be Connected268
- Differences in Available Functions268
- A-1-2 Differences in Accessing from User Program268
- Differences in Accessing from User Program268
Bus Parameters274
Application Notes278
Application Program279
CX-Configuratorfdt Warning and Error Messages280
I/O Data Type Definitions287
- Integer Data Conversions287
- A-6-2 Floating Point Data Conversions288
- A-6-3 Text String Data Conversion288
- A-6-4 Date/Clock Time Data Conversions289
Slave Diagnostics Message290
- A-7-1 Slave Diagnostics Data Message290
- Standard Diagnostics Data Bytes291
- A-7-3 Extended Diagnostics Data Bytes293
- A-7-4 PROFIBUS DP-V1 Error Codes298

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