WAGO I/O SYSTEM 750 XTR Table of Contents 11
750-8202/040-000 PFC200 2ETH RS XTR
Manual
Version 1.2.0, valid from FW Version 03.01.07(13)
9 e!RUNTIME Runtime Environment ........................................................ 287
9.1 General Notes ...................................................................................... 287
9.2 CODESYS V3 Priorities ....................................................................... 288
9.3 Memory Spaces under e!RUNTIME .................................................... 289
9.3.1 Program and Data Memory ............................................................. 289
9.3.2 Function Block Limitation ................................................................ 289
9.3.3 Remanent Memory .......................................................................... 289
10 Modbus – CODESYS 2 ........................................................................... 290
10.1 General ................................................................................................ 290
10.2 Features ............................................................................................... 290
10.3 Configuration........................................................................................ 291
10.3.1 Modbus Settings.............................................................................. 292
10.3.2 Modbus TCP Settings ..................................................................... 293
10.3.3 Modbus UDP Settings ..................................................................... 293
10.3.4 Modbus RTU Settings ..................................................................... 294
10.4 Data Exchange .................................................................................... 296
10.4.1 Process Image ................................................................................ 297
10.4.2 Flag Area ......................................................................................... 298
10.4.3 Modbus Registers ........................................................................... 299
10.4.4 Modbus Mapping ............................................................................. 299
10.4.4.1 Modbus Mapping for Write Bit Services FC1, FC2 ..................... 299
10.4.4.2 Modbus Mapping for Write Bit Services FC5, FC15 ................... 300
10.4.4.3 Modbus Mapping for Read Register Services FC3, FC4,
FC23 ........................................................................................... 301
10.4.4.4 Modbus Mapping for Write Register Services FC6, FC16,
FC22, FC23 ................................................................................ 303
10.5 WAGO Modbus Registers .................................................................... 305
10.5.1 Process Image Properties ............................................................... 306
10.5.1.1 Register 0x1022 – Number of Registers in the Modbus Input
Process Image ............................................................................ 306
10.5.1.2 Register 0x1023 – Number of Registers in the Modbus Output
Process Image ............................................................................ 306
10.5.1.3 Register 0x1024 – Number of Bits in the Modbus Input
Process Image ............................................................................ 306
10.5.1.4 Register 0x1025 – Number of Bits in the Modbus Output
Process Image ............................................................................ 306
10.5.2 Network Configuration ..................................................................... 307
10.5.2.1 Register 0x1028 – IP Configuration ............................................ 307
10.5.2.2 Register 0x102A – Number of Established TCP Connections.... 307
10.5.2.3 Register 0x1030 – Modbus TCP Socket Timeout ....................... 307
10.5.2.4 Register 0x1031 – MAC Address for ETHERNET-Interface 1
(eth0) .......................................................................................... 307
10.5.2.5 Register 0x1037 - Modbus TCP Response Delay ...................... 307
10.5.3 PLC Status Register ........................................................................ 308
10.5.4 Modbus Watchdog .......................................................................... 308
10.5.4.1 Register 0x1100 – Watchdog Command .................................... 310
10.5.4.2 Register 0x1101 – Watchdog Status .......................................... 312
10.5.4.3 Register 0x1102 – Watchdog Timeout ....................................... 312
10.5.4.4 Register 0x1103 – Watchdog Config .......................................... 313