WAGO -I/O-SYSTEM 750 XTR Manual page 6

6 Table of Contents
11 Fieldbus Communication ..................................................................... 138
11.1 Implemented Protocols ....................................................................... 138
11.1.1
11.1.1.1
11.1.1.2
11.1.1.3
11.1.2
11.1.2.1
11.1.2.2
11.1.2.3
11.1.2.4
11.1.2.5
11.1.2.6
11.1.2.6.1
11.1.2.6.2
11.1.3
11.2 Modbus Functions .............................................................................. 152
11.2.1
11.2.2
11.2.3
11.2.3.1
11.2.3.2
11.2.3.3
11.2.3.4
11.2.3.5
11.2.3.6
11.2.3.7
11.2.3.8
11.2.3.9
11.2.3.10
11.2.3.11
11.2.4
11.2.5
11.2.5.1
11.2.5.2
11.2.5.3
11.2.5.4
11.2.5.5
11.2.5.6
11.2.5.7
11.3 EtherNet/IP (Ethernet/Industrial Protocol) ........................................... 187
11.3.1
11.3.2
11.3.3
11.3.4
11.3.5
11.3.5.1
11.3.5.2
11.3.5.3
11.3.5.4
Manual
Version 1.3.0
Communication Protocols .............................................................. 138
IP (Internet Protocol) ................................................................. 138
TCP (Transmission Control Protocol) ........................................ 143
UDP (User Datagram Protocol) ................................................. 143
Configuration and Diagnostics Protocols ........................................ 144
BootP (Bootstrap Protocol) ........................................................ 144
DHCP (Dynamic Host Configuration Protocol) ........................... 145
HTTP (Hypertext Transfer Protocol) .......................................... 148
DNS (Domain Name Systems) .................................................. 148
FTP-Server (File Transfer Protocol) ........................................... 148
SNMP (Simple Network Management Protocol) ........................ 149
MIB II Description .................................................................. 150
Traps .................................................................................... 150
Application Protocols...................................................................... 151
General .......................................................................................... 152
Use of the MODBUS Functions ...................................................... 154
Description of the MODBUS Functions .......................................... 155
Function Code FC1 (Read Coils) ............................................... 156
Function Code FC2 (Read Discrete Inputs) ............................... 157
Function Code FC3 (Read Multiple Registers) ........................... 159
Function Code FC4 (Read Input Registers) ............................... 160
Function Code FC5 (Write Coil) ................................................. 161
Function Code FC6 (Write Single Register) ............................... 162
Function Code FC11 (Get Comm Event Counter) ..................... 163
Function Code FC15 (Write Multiple Coils) ................................ 164
Function Code FC16 (Write Multiple Registers) ......................... 165
Function Code FC22 (Mask Write Register) .............................. 166
Function Code FC23 (Read/Write Multiple Registers) ............... 167
MODBUS Register Mapping .......................................................... 168
MODBUS Registers ....................................................................... 171
Accessing Register Values ........................................................ 172
Watchdog Registers .................................................................. 172
Modbus Watchdog Register ....................................................... 173
Diagnostic Registers .................................................................. 177
Configuration Registers ............................................................. 178
Firmware Information Registers ................................................. 183
Constant Registers .................................................................... 185
General .......................................................................................... 187
Protocol overview in the OSI model ............................................... 188
Characteristics of the EtherNet/IP Protocol Software ..................... 189
EDS File......................................................................................... 189
Object Model .................................................................................. 190
General ..................................................................................... 190
Class Overview ......................................................................... 191
Explanation of the Table Headings in the Object Descriptions ... 192
Identity (01 ) ........................................................................... 192
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WAGO-I/O-SYSTEM 750 XTR
750-352/040-000 FC ETHERNET G3 XTR