3-8
SIMATIC TD 200 Operator Interface
C79000-G7076-C272-01
Fatal Error Messages
The following is a list of possible fatal error messages, in order of importance:
FATAL WATCHDOG TIMEOUT
FATAL CHECKSUM ERROR
FATAL EEPROM FAILURE
FATAL MC FAILURE [MC is memory cartridge]
FATAL RUNTIME ADDR ERROR
Non-fatal Error Messages
The following is a list of possible non-fatal error messages, in order of importance:
NON-FATAL DIVIDE BY ZERO
NON-FATAL QUEUE OVERFLOW
NON-FATAL I/O ERROR MOD x [x = module number]
The NON-FATAL I/O ERROR MOD x failure message displays the number of
the I/O module that has failed. In the case of multiple failures, this message is
displayed multiple times, one time for each failed module. The module
numbering is zero to six, corresponding to the CPU specification for expansion
modules. Failures in the I/O of the CPU are displayed as module C.
NON-FATAL RUNTIME PROG ERR
The non-fatal run-time program error includes:
– Indirect addressing
– HSC setup and execution errors
– Attempting to execute an illegal instruction (ENI, DISI, or HDEF) inside an
interrupt routine
– Subroutine nesting errors
– TODW data errors
– Simultaneous XMT and RCV errors
Operatin
the TD 200
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