WAGO-I/O-SYSTEM 750
Table of Contents
5
750-882 Media Redundancy ETHERNET Controller
Manual
1.5.0
Memory Areas ................................................................................... 88
Addressing of I/O Modules ........................................................... 92
IEC-61131-3 Address Areas ......................................................... 93
Absolute Addressing ..................................................................... 94
Data Exchange between MODBUS/TCP Master and I/O Modules ... 96
Data Exchange between EtherNet/IP Master and I/O Modules ........ 98
Data Exchange between PLC Function (CPU) and I/O Modules ...... 99
Data Exchange between Master and PLC Function (CPU) ............ 100
Example of MODBUS/TCP Master and PLC Function (CPU) .... 100
Application Example ........................................................................ 102
Connecting Client PC and Fieldbus Nodes .......................................... 104
Allocating the IP Address to the Fieldbus Node ................................... 104
Assigning IP Address via Address Selection Switch ....................... 105
Assigning IP Addresses via DHCP .................................................. 107
Enable DHCP ............................................................................. 107
Assigning the IP address permanently by option “use IP from
EEPROM“ ................................................................................... 108
Assigning IP Addresses via “WAGO Ethernet Settings“ ................. 110
Assigning the IP Address with a PLC program ............................... 111
Assigning the IP Address with a BootP Server ............................... 111
Note MAC IDs ............................................................................. 113
Determining IP addresses .......................................................... 114
Assigning the IP address ............................................................ 115
Assigning the IP address permanently by option “use IP from
EEPROM“ ................................................................................... 115
Reasons for Failed IP Address Assignment ............................... 117
Testing the Function of the Fieldbus Node .......................................... 118
Preparing the Flash File System .......................................................... 120
Synchronizing the Real-Time Clock ..................................................... 122
Restoring Factory Settings ................................................................... 125
Programming the PFC Using WAGO-I/O-
..................................... 126
Configuring the Fieldbus Controller using the I/O Configurator ........... 129
Configuration using the “EA-config.xml” File ................................... 132
ETHERNET Libraries for WAGO-I/O-
.......................................... 134
Functional Restrictions and Limits ....................................................... 135
General Information about IEC Tasks .................................................. 137
IEC Task Sequence ........................................................................ 139
Overview of Most Important Task Priorities ..................................... 139
Enabling/Disabling System Events .................................................. 141
Transfer the IEC Program to the Fieldbus Controller ........................... 143
Transfer via Serial Service Port ....................................................... 145
Transfer via Fieldbus and ETHERNET ........................................... 148
Configuring via the Web-Based Management System (WBM) ........... 150