Chapter 9. Diagnostics
GFK-2950C February 2018 407
9.4.7 System Bus Error (Group 12)
The fault group System Bus Error occurs when the CPU encounters a bus error.
Default action: Diagnostic. Configurable.
4, Unrecognized VME Interrupt Source
The CPU generates this error when a module generates an interrupt not expected by the CPU
(unconfigured or unrecognized).
Correction
Ensure that all modules configured for interrupts have corresponding interrupt declarations in the
program logic.
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