Table of Contents
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WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
Connecting PC and Fieldbus Node ............................................... 69
Determining IP Addresses ............................................................ 70
Allocating the IP Address to the Fieldbus Node........................... 70
Testing the Function of the Fieldbus Node................................... 73
Deactivating the BootP Protocol................................................... 74
Transmission Mode Configuration ............................................... 76
Programming the PFC with WAGO-I/O-
CAA......................... 77
CAA library elements for ETHERNET........... 81
Restrictions in the Function Range ............................................... 82
Some Basic Facts about IEC Tasks .............................................. 84
Flowchart of an IEC Task ............................................................. 84
3.1.8.3.2
Overview of the Most Important Task Priorities (descending
priority) .................................................................................... 85
Events ............................................................................... 86
IEC 61131-3-Program transfer ..................................................... 87
Transmission via the Serial Interface............................................ 88
Transmission by the Fieldbus ....................................................... 89
Information on the Web-Based Management System ....................... 90
Description of MIB II ................................................................... 98
Group........................................................................... 99
Group ........................................................................ 99
Address Translation Group .................................................... 100
Group ................................................................................. 101
Table......................................................................... 102
Group........................................................................... 102
Group ............................................................................. 104
Group............................................................................. 104
Group.......................................................................... 105
3.1.10.1.11 EGP-Group............................................................................. 106
3.1.10.2 Traps ........................................................................................... 106
3.1.11 LED
Display .................................................................................... 107
status............................................................................. 108
Node Status – Blink code from the 'I/O' LED ............................ 109
3.1.11.3 ‘USR‘-LED ................................................................................. 116
3.1.11.4
Supply voltage status .................................................................. 117
behavior .................................................................................. 117
failure ........................................................................... 117
Internal bus fault ......................................................................... 118
Data ................................................................................. 119
Fieldbus Communication ....................................................................... 121
4.1 ETHERNET ......................................................................................... 121
4.1.1 General............................................................................................. 121
4.1.2
Network Architecture – Principles and Regulations ....................... 122
Media.................................................................... 123
Topologies.................................................................... 125
Modules......................................................................... 128
Mode..................................................................... 128