WAGO-I/O-SYSTEM 750
Table of Contents
5
750-880, 750-880/025-000 ETHERNET Programmable Fieldbus Controller
Manual
Version 1.0.1
7.3.2 Addressing.......................................................................................... 87
7.3.2.1
Addressing of I/O Modules ........................................................... 88
7.3.2.2 Address
Ranges ............................................................................. 89
7.3.2.3 Absolute
Addressing...................................................................... 92
7.3.3
Data Exchange between MODBUS/TCP Master and I/O Modules... 94
7.3.3.1
Data Exchange between EtherNet/IP Master and I/O Modules .... 96
7.3.4
Data Exchange between PLC Function (CPU) and I/O Modules ...... 97
7.3.5
Data Exchange between Master and PLC Function (CPU)................ 98
7.3.5.1
Example of MODBUS/TCP Master and PLC Function (CPU) .... 98
7.3.6 Application
Example ........................................................................ 100
7.4
Memory Card Function ......................................................................... 101
7.4.1
System Start (Automatic Loading of Device Settings from the
Memory Card) .................................................................................. 101
7.4.2
Back-up Function (Saving Device Settings on the Memory Card).. 103
7.4.3
Restore Function (Loading of Device Settings from the Memory Card)104
7.4.4
Inserting a Memory Card During Operation .................................... 107
7.4.5
Removing the Memory Card During Operation............................... 108
7.4.6
SPS Access to the File System of the Memory Card ....................... 109
7.4.7
FTP Network Access to the File System of the Memory Card ........ 110
7.4.8 Directory
Structure ........................................................................... 111
8
Commissioning ......................................................................................... 112
8.1
Connecting Client PC and Fieldbus Nodes........................................... 113
8.2
Allocating the IP Address to the Fieldbus Node................................... 113
8.2.1
Assigning IP Address via Address Selection Switch ....................... 114
8.2.2
Assigning IP Address via DHCP...................................................... 116
8.2.2.1 Enable
DHCP............................................................................... 116
8.2.2.2 Disabling
DHCP .......................................................................... 117
8.2.3
Assigning the IP Address with a BootP Server ................................ 121
8.2.3.1
Note MAC ID .............................................................................. 122
8.2.3.2
Determining IP addresses ............................................................ 123
8.2.3.3
Assigning the IP address and Enable BootP................................ 124
8.2.3.4 Disabling
BootP........................................................................... 124
8.2.3.5
Reasons for Failed IP Address Assignment................................. 128
8.3
Testing the Function of the Fieldbus Node ........................................... 129
8.4
Preparing the Flash File System............................................................ 131
8.5
Synchronizing the Real-Time Clock..................................................... 133
8.6
Restoring Factory Settings .................................................................... 136
9
Programming the PFC using WAGO-I/O-
PRO
.................................... 137
9.1
Configuration using the WAGO-I/O-PRO I/O Configurator................ 139
9.1.1
Configuration using the "EA-config.xml" File ................................ 142
9.2
ETHERNET Libraries for WAGO-I/O-
PRO
........................................ 144
9.3
Functional Restrictions and Limits ....................................................... 146
9.4
General Information about IEC Tasks .................................................. 149
9.4.1
IEC Task Sequence........................................................................... 151
9.4.2
Overview of Most Important Task Priorities.................................... 151
9.5 System
Events ....................................................................................... 153
9.5.1
Enabling/disabling system events..................................................... 153
9.6
Transfer the IEC program to the controller........................................... 155
9.6.1
Transfer via Serial Service Port........................................................ 156
