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4-4
Section
4-4-17 Unsigned Decimal Monitor
This operation is used to convert hexadecimal data in a word to unsigned
decimal for display. The operation can be executed while using I/O monitor-
ing, multiple address monitoring or 3-word monitoring.
RUN
MONITOR
PROGRAM
OK
OK
OK
1, 2, 3...
1. Monitor the word that is to be used for decimal monitor without sign. During
multiple address monitoring, the leftmost word will be converted.
Multiple address monitoring
1 1
0
2. Press the SHIFT+TR+NOT Keys to display the leftmost word as unsigned
decimal.
SHIFT
TR
NOT
1
*))
At this point, the contents of the displayed word can be changed with an
unsigned-decimal input. Refer to
4-4-23 Unsigned Decimal Data Modifica-
tion
.
3. Press the CLR Key or the SHIFT+TR Keys to end the unsigned decimal dis-
play and return to normal monitoring.
CLR
1 1
0
4-4-18 3-Word Data Modification
This operation is used to change the contents of one or more of the 3 con-
secutive words displayed in the 3-Word Monitor operation. It is possible in
MONITOR or PROGRAM mode only.
RUN
MONITOR
PROGRAM
No
OK
OK
Caution
Before changing the contents of I/O memory, be sure that the changes will not
cause equipment to operate unexpectedly or dangerously. In particular, take
care when changing the status of output bits. The PC continues to refresh I/O
bits even if the PC is in PROGRAM mode, so devices connected to output points
on the CPU Unit or Expansion I/O Units may operate unexpectedly.
1, 2, 3...
1. Monitor the status of the desired words according to the procedure
described
4-4-15 3-Word Monitor
.
(3-word monitor)
-)* ".
2. Press the CHG Key to begin 3-word data modification. The cursor will
appear next to the contents of the leftmost word.
CHG
-)* ".
3. Input the new value for the leftmost word on the display and press the CHG
Key if more changes will be made.
(Input the new value and press the WRITE Key to write the changes in
memory if no more changes will be made.)
B
1
CHG
-)* ".
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