Table of contents
6 Rockwell Automation Publication 2080-RM001D-EN-E - February 2015
MSG_CIPSYMBOLIC .................................................................................... 184
CIPSYMBOLICCFG data type ............................................................... 187
CIPAPPCFG data type .............................................................................. 189
CIPCONTROLCFG data type ............................................................... 190
CIPSTATUS data type .............................................................................. 191
CIPTARGETCFG data type .................................................................... 193
Supported Data Packet Size for CIP Serial Function ........................... 196
MSG_MODBUS ............................................................................................... 197
Modbus error codes ..................................................................................... 199
MODBUSLOCPARA data type ............................................................. 200
Message execution process (Rung = TRUE) .......................................... 202
MODBUSTARPARA data type .............................................................. 204
MSG_MODBUS2 ............................................................................................. 205
Modbus2 error codes .................................................................................. 208
MODBUS2LOCPARA data type ........................................................... 209
MODBUS2TARPARA data type ........................................................... 210
Message execution processes and timing diagrams ....................................... 213
Message execution process (general) ........................................................ 214
Message execution sequence (general) ..................................................... 215
Message execution process (Rung = TRUE) .......................................... 215
Message execution timing diagram (Rung = TRUE) ........................... 217
Message execution process (Rung = FALSE) ......................................... 218
Message execution timing diagram (Rung = FALSE) ........................... 220
Message execution process (Error) ........................................................... 221
Message execution timing diagram (Error) ............................................. 221
Using the communication (message) function blocks ................................. 222
Configuring object data values for explicit messaging
(MSG_CIPGENERIC) ............................................................................. 222
Example: How to create a MSG_CIPGENERIC messaging program to
read data from a controller ......................................................................... 225
Example: How to create a MSG_CIPSYMBOLIC messaging program
to write a value to a variable ....................................................................... 239
Example: How to configure Modbus communication to read from and
write to a drive .............................................................................................. 251
Communication protocol support .................................................................. 257
Embedded communication channels ....................................................... 258
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