WAGO I/O System 750 Handbuch Seite 7

WAGO I/O System 750
750-890 Controller Modbus TCP; G4; 2ETH; SD
12.1.1
12.1.1.1
12.1.1.2
12.1.1.3
12.1.2
12.1.2.1
12.1.2.2
12.1.2.3
12.1.2.4
12.1.2.5
12.1.2.6
12.1.2.7
12.1.2.7.1
12.1.2.7.2
12.1.2.8
12.1.2.8.1
12.1.2.8.2
12.1.3
12.2 Modbus-Funktionen ............................................................................ 241
12.2.1
12.2.2
12.2.3
12.2.3.1
12.2.3.2
12.2.3.3
12.2.3.4
12.2.3.5
12.2.3.6
12.2.3.7
12.2.3.8
12.2.3.9
12.2.3.10
12.2.3.11
12.2.4
12.2.5
12.2.5.1
12.2.5.2
12.2.5.3
12.2.5.4
12.2.5.5
12.2.5.6
12.2.5.7
13 I/O-Module ............................................................................................. 282
13.1 Übersicht ............................................................................................ 282
13.2 Aufbau der Prozessdaten für Modbus-TCP ........................................ 283
13.2.1
13.2.1.1
13.2.1.2
13.2.1.3
Kommunikationsprotokolle ............................................................. 224
IP (Internet Protocol) ................................................................. 224
TCP (Transmission Control Protocol) ........................................ 229
UDP (User Datagram Protocol) ................................................. 230
Konfigurations- und Diagnoseprotokolle ......................................... 230
BootP (Bootstrap Protocol) ........................................................ 230
DHCP (Dynamic Host Configuration Protocol) ........................... 231
HTTP (Hypertext Transfer Protocol) .......................................... 233
DNS (Domain Name Systems) .................................................. 234
SNTP-Client (Simple Network Time Protocol) ............................ 234
FTP-Server (File Transfer Protocol) ........................................... 234
SNMP (Simple Network Management Protokoll) ....................... 235
Beschreibung der MIB II........................................................ 236
Traps .................................................................................... 237
Syslog-Client ............................................................................. 237
Syslog-Meldungen ................................................................ 238
Konfiguration ......................................................................... 239
Anwendungsprotokolle ................................................................... 240
Allgemeines ................................................................................... 241
Anwendung der MODBUS-Funktionen ........................................... 244
Beschreibung der MODBUS-Funktionen ........................................ 245
Funktionscode FC1 (Read Coils) ............................................... 246
Funktionscode FC2 (Read Discrete Inputs) ............................... 248
Funktionscode FC3 (Read Holding Registers) ........................... 250
Funktionscode FC4 (Read Input Registers) ............................... 251
Funktionscode FC5 (Write Single Coil) ...................................... 252
Funktionscode FC6 (Write Single Register) ............................... 253
Funktionscode FC11 (Get Comm Event Counter)...................... 254
Funktionscode FC15 (Write Multiple Coils) ................................ 255
Funktionscode FC16 (Write Multiple Registers) ......................... 257
Funktionscode FC22 (Mask Write Register) ............................. 258
Funktionscode FC23 (Read/Write Multiple Registers) ............... 259
MODBUS-Register-Mapping .......................................................... 261
Modbus-Register ............................................................................ 264
Zugriff auf Registerwerte ........................................................... 265
Modbus-Watchdog .................................................................... 265
Modbus-Watchdog-Register ...................................................... 267
Diagnoseregister ....................................................................... 272
Konfigurationsregister ................................................................ 273
Konstantenregister .................................................................... 275
Firmware-Informationsregister ................................................... 277
Digitaleingangsmodule ................................................................... 284
1-Kanal-Digitaleingangsmodule mit Diagnose ........................... 284
2-Kanal-Digitaleingangsmodule ................................................. 284
2-Kanal-Digitaleingangsmodule mit Diagnose ........................... 284
Inhaltsverzeichnis
Handbuch
Version 1.2.2
7