WAGO I/O System 750 Table of Contents 7
750-8216 PFC200; G2; 2ETH RS CAN DPS
Manual
Version 1.4.0, valid from FW Version 03.06.09(18)
10.3.2 Function Block Limitation ............................................................... 187
10.3.3 Remanent Memory ........................................................................ 187
11 Modbus – CODESYS V2 ........................................................................ 188
11.1 General .............................................................................................. 188
11.2 Features ............................................................................................. 188
11.3 Configuration ...................................................................................... 189
11.3.1 Modbus Settings ............................................................................ 190
11.3.2 Modbus TCP Settings .................................................................... 191
11.3.3 Modbus UDP Settings .................................................................... 191
11.3.4 Modbus RTU Settings .................................................................... 191
11.4 Data Exchange ................................................................................... 194
11.4.1 Process Image ............................................................................... 195
11.4.2 Flag Area ....................................................................................... 196
11.4.3 Modbus Registers .......................................................................... 197
11.4.4 Modbus Mapping ........................................................................... 197
11.4.4.1 Modbus Mapping for Write Bit Services FC1, FC2 ..................... 197
11.4.4.2 Modbus Mapping for Write Bit Services FC5, FC15 ................... 198
11.4.4.3 Modbus Mapping for Read Register Services FC3, FC4, FC23 . 199
11.4.4.4 Modbus Mapping for Write Register Services FC6, FC16, FC22,
FC23 ......................................................................................... 201
11.5 WAGO Modbus Registers .................................................................. 203
11.5.1 Process Image Properties .............................................................. 204
11.5.1.1 Register 0x1022 – Number of Registers in the Modbus Input
Process Image .......................................................................... 204
11.5.1.2 Register 0x1023 – Number of Registers in the Modbus Output
Process Image .......................................................................... 204
11.5.1.3 Register 0x1024 – Number of Bits in the Modbus Input Process
Image ........................................................................................ 204
11.5.1.4 Register 0x1025 – Number of Bits in the Modbus Output Process
Image ........................................................................................ 204
11.5.2 Network Configuration .................................................................... 205
11.5.2.1 Register 0x1028 – IP Configuration ........................................... 205
11.5.2.2 Register 0x102A – Number of Established TCP Connections .... 205
11.5.2.3 Register 0x1030 – Modbus TCP Socket Timeout ...................... 205
11.5.2.4 Register 0x1031 – MAC Address for ETHERNET-Interface 1 (eth0)205
11.5.2.5 Register 0x1037 - Modbus TCP Response Delay ...................... 205
11.5.3 PLC Status Register ...................................................................... 206
11.5.4 Modbus Watchdog ......................................................................... 206
11.5.4.1 Register 0x1100 – Watchdog Command ................................... 208
11.5.4.2 Register 0x1101 – Watchdog Status ......................................... 210
11.5.4.3 Register 0x1102 – Watchdog Timeout ....................................... 210
11.5.4.4 Register 0x1103 – Watchdog Config ......................................... 210
11.5.5 Register 0x1104 – Watchdog Operation Mode ............................... 211
11.5.6 Modbus Constants Registers ......................................................... 212
11.5.6.1 Electronic Nameplate ................................................................ 212
11.5.6.2 Register 0x2010 – Revision (Firmware Index) ........................... 212
11.5.6.3 Register 0x2011 – Series Designator ........................................ 212
11.5.6.4 Register 0x2012 – Device ID ..................................................... 212
11.5.6.5 Register 0x2013 – Major Firmware Version ............................... 213