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Description ToolboxST application detects a major difference in [ ] controller application code
Possible Cause
• Compressing variables, EGD pages, distributed I/O, or NVRAM
• Changing frame or background period
• Changing controller or network redundancy
• Changing controller platform or NTP client mode
• Changing controller host name or IP address
• Changing IONet IP address
• Adding/removing first/last linking device (PFFA), respectively
• Removing a WCBM module
• Changing from multicast to broadcast (vice-versa) I/O communication
• Adding the first shared I/O module or connecting the first Controller to Controller I/O variable
• Removing the last Modbus Slave point
• Disabling controller web pages
• Disabling Wind Compress Data Log
• Disabling Wind Farm Management System
Solution Rebuild the controller and download.
Note This alarm is not reported to the WorkstationST Alarm Viewer. This alarm is generated by the ToolboxST application,
not by the I/O pack or module.
448 GEH-6855_Vol_II GEH-6855_Vol_II Mark VIeS Functional Safety Systems Volume II
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