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Auxiliary Area
■
Time of Switching
Name
Time of Switch from Duplex to
Simplex Operation
■
Previous Cause of Switching
Name
Duplex Verification Error
Switch Flag
Duplex Bus Error Switch Flag
Duplex Initialization Error
Switch Flag
CPU Unit Setting Switch Flag
CPU Error (WDT) Switch Flag A01904
FALS Instruction Error Switch
Flag
Cycle Time Overrun Switch
Flag
Program Error Switch Flag
Fatal Inner Board Error Switch
Flag (Process-control CPU
Units only)
Memory Error Switch Flag
■
Previous Time of Switching
Name
Time of Previous Switch from
Duplex to Simplex Operation
276
Address
A024 to
The time when operation was switched from duplex to sim-
A026
plex operation is stored.
The time is cleared when duplex operation is restored.
A02400 to A02407: Seconds (00 to 59)
A02408 to A02415: Minutes (00 to 59)
A02500 to A02507: Hours (00 to 23)
A02508 to A02515: Day of month (01 to 31)
A02600 to A02607: Month (01 to 12)
A02608 to A02615: Year (00 to 99)
Address
A01900
ON: A duplex verification error caused the previous switch
from duplex to simplex operation.
A01901
ON: A duplex bus error caused the previous switch from
duplex to simplex operation.
A01902
ON: An error during duplex initialization caused the previous
switch from duplex to simplex operation and duplex opera-
tion was never started.
A01903
ON: Changing the CPU Unit's switch from USE to NO USE
caused the previous switch from duplex to simplex opera-
tion.
ON: A CPU Unit error (WDT) caused the previous switch
from duplex to simplex operation.
A01906
ON: Execution of an FALS instruction caused the previous
switch from duplex to simplex operation.
A01908
ON: Exceeding the cycle time caused the previous switch
from duplex to simplex operation.
A01909
ON: A program error caused the previous switch from duplex
to simplex operation.
A01912
ON: A fatal Inner Board error caused the previous switch
from duplex to simplex operation.
A01915
ON: A memory error caused the previous switch from duplex
to simplex operation.
Address
A020 to
The time of the previous switch from duplex to simplex oper-
A022
ation is stored.
A02000 to A02007: Seconds (00 to 59)
A02008 to A02015: Minutes (00 to 59)
A02100 to A02107: Hours (00 to 23)
A02108 to A02115: Day of month (01 to 31)
A02200 to A02207: Month (01 to 12)
A02208 to A02215: Year (00 to 99)
Description
Description
Description
Section 8-11
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