Technical data

MODBUS Functions • 161
Internal Variables
WAGO-I/O-SYSTEM 750
ETHERNET TCP/IP
0x1024 R 1-2 Number of digital output data in the process image (in bits)
0x1025 R 1 Number of digital input data in the process image (in bits)
0x1028 R/W 1 Boot configuration
0x1029 R 9 MODBUS-TCP statistics
0x102A R 1 Number of TCP connections
0x1030 R/W 1 Configuration MODBUS/TCP Timeout
0x1031 W 1 Read out the MAC-ID of the controller
0x2000 R 1 Constant 0x0000
0x2001 R 1 Constant 0xFFFF
0x2002 R 1 Constant 0x1234
0x2003 R 1 Constant 0xAAAA
0x2004 R 1 Constant 0x5555
0x2005 R 1 Constant 0x7FFF
0x2006 R 1 Constant 0x8000
0x2007 R 1 Constant 0x3FFF
0x2008 R 1 Constant 0x4000
0x2010 R 1 Firmware version
0x2011 R 1 Series code
0x2012 R 1 Controller code
0x2013 R 1 Firmware versions major revision
0x2014 R 1 Firmware versions minor revision
0x2020 R 16 Short description controller
0x2021 R 8 Compile time of the firmware
0x2022 R 8 Compile date of the firmware
0x2023 R 32 Indication of the firmware loader
0x2030 R 65 Description of the connected busmodules (module 0–64)
0x2031 R 64 Description of the connected busmodules (module 65-128)
0x2032 R 64 Description of the connected busmodules (module 129-192)
0x2033 R 63 Description of the connected busmodules (module 193-255)
0x2040 W 1 Software reset (Write sequence 0x55AA or 0xAA55)