Schneider Automation Modicon Quantum Ethernet Manuel d'utilisateur Page 169
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Transferring Data Using Communication Blocks
33002479 06 07/2008 169
Write Global Data
Description A write global data operation transfers data to the communication processor of the
current node; the data can be transmitted on the network as soon as the node
receives the token and then read by all nodes connected to the local network (see
Read Global Data, p. 170) .
A write global data operation is carried out in one cycle and does not require a
master transaction path. To program an MBP_MSTR block to write global data, use
function code 5 (see Operational Function Codes, p. 151).
Network
Implementation
A write global data operation can be performed only on Modbus Plus networks. The
read and write global data operations comprise a Modbus Plus capability known as
Peer Cop.
Control Block
Usage for
Modbus Plus
Register Meaning
CONTROL[1] 5 = write global data
CONTROL[2] Indicates the error status
CONTROL[3] Number of addresses to be written from state RAM into global data
memory (comm processor) (1...32)
CONTROL[4] Reserved
CONTROL[5] If global data is sent via a NOM, enter the NOM module slot in the most
significant byte of this register.
- Modicon Quantum with 1
- Document Set 3
- Table of Contents 5
- 6 33002479 06 07/2008 6
- 33002479 06 07/2008 7 7
- 8 33002479 06 07/2008 8
- 33002479 06 07/2008 9 9
- 10 33002479 06 07/2008 10
- Safety Information 11
- About the Book 13
- 33002479 06 07/2008 15 15
- Modicon Quantum with Unity 17
- Ethernet Products 17
- Product Description 19
- Introduction 21
- CPU 65* *0 23
- CPU 651 60S 23
- 1 Hang the module 24
- Controls and Displays 25
- 33002479 06 07/2008 27 27
- Indicators 29
- End CPU modules 30
- Using the LCD Display Screens 31
- 33002479 06 07/2008 33 33
- PLC Operations 35
- 33002479 06 07/2008 37 37
- ##.##.##.##.##.## 38
- 33002479 06 07/2008 39 39
- 33002479 06 07/2008 41 41
- Do Not Duplicate Address 45
- Use Permanent Felt-tip Pen 45
- Key Ethernet 46
- 33002479 06 07/2008 47 47
- 33002479 06 07/2008 49 49
- NWM 100 module 50
- Connectors and Cabling 51
- 33002479 06 07/2008 53 53
- 1.3 Installing the Module 54
- Before You Begin 55
- Cable Schemes 57
- Security 59
- 33002479 06 07/2008 61 61
- Connecting the Cable 62
- Establishing the FTP Password 68
- 33002479 06 07/2008 69 69
- Ethernet Configuration 70
- 33002479 06 07/2008 71 71
- HTTP User Name and Password 72
- Data Monitor Write Password 72
- 1.4 Customer Support 75
- Support 76
- Documentation 76
- MS-Windows documentation 76
- Contact Information 77
- 33002479 06 07/2008 81 81
- 33002479 06 07/2008 83 83
- Modbus Messaging 85
- Modbus/TCP server 86
- Global Data 89
- Time Synchronization Service 90
- Bandwidth Monitoring 92
- 33002479 06 07/2008 93 93
- FTP Server 94
- 33002479 06 07/2008 95 95
- Additional Ethernet Services 97
- Ethernet Modules Services 99
- Ethernet Services 100
- At a Glance 101
- 33002479 06 07/2008 102
- Overview 103
- Configure Network 105
- Properties of a network 106
- 33002479 06 07/2008 107 107
- GROUP NAME 109
- NET LINK 109
- 33002479 06 07/2008 113 113
- Address Server 114
- IP Configuration 115
- Parameter description: 116
- 33002479 06 07/2008 119 119
- Client / Server procedure 121
- Parameter description 121
- Unity Ethernet Services 123
- Using Ethernet Services 124
- Transferring Data Using 125
- Communication Blocks 125
- 4.1 Communications Issues 127
- Recommended 128
- CREAD_REG 130
- Elementary 131
- Description for 131
- WordArr5 with 131
- TCP/IP Ethernet 131
- 33002479 06 07/2008 133 133
- CWRITE_REG 134
- 33002479 06 07/2008 137 137
- READ_REG 138
- 33002479 06 07/2008 139 139
- WRITE_REG 141
- 33002479 06 07/2008 143 143
- TCP_IP_ADDR 144
- 33002479 06 07/2008 145 145
- 4.3 MBP_MSTR 146
- Block Description 147
- Input Parameters 149
- Parameters 149
- Operational Function Codes 151
- Control Block for 153
- SY/MAX Ethernet 154
- 33002479 06 07/2008 155 155
- Modbus Plus and 156
- Network Errors 156
- 33002479 06 07/2008 159 159
- SY/MAX-Specific Error Codes 161
- Read Data 163
- Write Data 165
- Get Local Statistics 167
- Clear Local Statistics 168
- Write Global Data 169
- Read Global Data 170
- Get Remote Statistics 171
- Control Block 172
- Usage for TCP/IP 172
- Ethernet 172
- Clear Remote Statistics 173
- Network 174
- Statistics 174
- 33002479 06 07/2008 175 175
- Peer Cop Health 177
- Reset Optional Module 178
- Read CTE 179
- Write CTE 181
- Send Email 183
- DATABUF 184
- Parameter 184
- Description 184
- Read/Write Data 185
- 33002479 06 07/2008 189 189
- 33002479 06 07/2008 191 191
- Multicast Filtering 192
- 33002479 06 07/2008 195 195
- 33002479 06 07/2008 197 197
- I/O Scanner 199
- I/O Scanner Concepts 200
- 33002479 06 07/2008 201 201
- Device Control 202
- 33002479 06 07/2008 203 203
- 33002479 06 07/2008 207 207
- Configuration 209
- Response Time 210
- 33002479 06 07/2008 211 211
- Address Server Configuration/ 213
- Faulty Device Replacement 213
- 33002479 06 07/2008 215 215
- 33002479 06 07/2008 217 217
- 33002479 06 07/2008 219 219
- 33002479 06 07/2008 221 221
- Network Management Service 223
- 33002479 06 07/2008 225 225
- ASN.1 Naming Scheme 227
- Configuring an NOE with SNMP 229
- 33002479 06 07/2008 231 231
- 33002479 06 07/2008 233 233
- 33002479 06 07/2008 235 235
- 33002479 06 07/2008 237 237
- Equipment 238
- Profile Subtree 238
- 33002479 06 07/2008 239 239
- 33002479 06 07/2008 241 241
- NTP Time Synchronization 243
- Using the NTPTime Service 244
- CPS CPU NOE77111 245
- NTP Time 246
- Synchronization 246
- Definitions 246
- Representation 247
- Description of parameters: 248
- Model Starting Date 249
- Configuring the 250
- 33002479 06 07/2008 251 251
- Customizing 252
- Time Zone 252
- Electronic Mail Notification 255
- CPS CPU NOE 257
- Mail Service 258
- 33002479 06 07/2008 261 261
- Mail Service Error Codes 262
- 33002479 06 07/2008 263 263
- Using the Mail Service 264
- Embedded Web Pages 265
- What's in this 266
- Chapter? 266
- Quantum Home Page 267
- Telemecanique 268
- Accessing the 274
- Module’s Home 274
- Do the following 274
- Configured Local 276
- Rack Page 276
- CPU Configuration Page 277
- Remote I/O Status 279
- Quantum PLC Data Monitor Page 280
- SNMP Configuration 281
- 33002479 06 07/2008 283 283
- 33002479 06 07/2008 285 285
- Address Server Configuration 289
- Mail Service Configuration 295
- ETHERNET MODULE STATISTICS 300
- 33002479 06 07/2008 301 301
- EMAIL DIAGNOSTIC 302
- 33002479 06 07/2008 303 303
- NTP Diagnostics Page 304
- 33002479 06 07/2008 305 305
- NOE Properties Page 306
- Hot Standby 309
- 33002479 06 07/2008 311 311
- Hot Standby Topology 312
- IP Address Assignment 314
- 33002479 06 07/2008 317 317
- Power Up and 318
- Services 318
- 33002479 06 07/2008 319 319
- Address Swap Times 320
- Appendices 325
- Maintenance 327
- NOE 771 xx 328
- 33002479 06 07/2008 329 329
- 33002479 06 07/2008 333 333
- Downloading a New NOE Exec 334
- 33002479 06 07/2008 335 335
- Downloading a New NOE Kernel 337
- Specifications 339
- 140 NWM 100 00 341
- Specification 341
- Application Protocol 343
- 33002479 06 07/2008 345 345
- 33002479 06 07/2008 347 347
- 33002479 06 07/2008 349 349
- TCP/IP Specific Issues 351
- Reference Documents 352
- Modicon Quantum Platform 353
- Installation 355
- 33002479 06 07/2008 357 357
- NOE 771 01 module in slot 4 358
- Setting Up the 359
- 33002479 06 07/2008 361 361
- I/O Scanning 364
- 33002479 06 07/2008 365 365
- Connecting the 367
- PC to the PLC 367
- 33002479 06 07/2008 369 369
- 33002479 06 07/2008 371 371
- Glossary 373
- 33002479 06 07/2008 381 381
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