User guide

Health Status
204
890 USE 108 00 August 2001
Word 5
CPU Stop State
Conditions
If the bit is set to "1", the condition is TRUE.
Word 6
Number of
Segments in
Program
Number of segments in current system. This word is confirmed during power up to
be the number of EOS (DOIO) nodes plus 1 (for the end of logic nodes), if untrue, a
stop code is set, causing the run light to be off.
Word 7
Address of the
End of Logic
Pointer
The EOL pointer in page F. This EOL pointer gives the word offset into page 0 where
the user logic ends. To find this pointer examine word 7. Word 7 gives the word
offset into page F where the EOL pointer may be found. The EOL pointer may be
displayed in hexadecimal, decimal or binary using Modsoft. Most applications use
hexadecimal.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Bad PLC Setup
Coil disabled
in RUN mode
Logic Checksum error
Invalid Node in ladder logic
Not Used
CPU Failure
Real time clock error
Watch Dog Timer has expired
No end of logic (EOL) (Bad Tcop)
State RAM test failed
No start-of-network (SON) at the start of a segment
Invalid segment scheduler
Illegal peripheral intervention
Dim awareness
XMEM Parity Error
Peripheral port stop
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Number of Segments in the Current
ladder Logic Program
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Address of the End of Logic Pointer