WAGO -I/O-SYSTEM 750 Manual page 207

WAGO-I/O-SYSTEM 750
750-882 Media Redundancy ETHERNET Controller
Loss of fieldbus detection through MODBUS protocol:
For detailed information about the watchdog register, refer to Section "MODBUS
Functions", in particular Section "Watchdog (Fieldbus failure)".
Protocol-independent detection of loss of fieldbus:
The library "Mod_com.lib" with function block 'FBUS_ERROR_INFORMATION' is
normally included in the setup for the WAGO-I/O-PRO. You can integrate the
library via register "Resources" at the bottom on the left of the workspace. Click
Insert and then Other libraries. The "Mod_com.lib" is located in folder
C:\Programme\WAGO Software\CODESYS
V2.3\Targets\WAGO\Libraries\32_Bit
Diagnostics 207
Manual
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