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188
Programming Console Operations
Section 8-2
4.
Press the WRITE Key to write the changes in memory and return to the
binary monitor.
8-2-24 Signed Decimal Data Modification
This operation is used to change the decimal value of a word being monitored
as signed decimal data, within a range of –32,768 to 32,767. The contents of
the specified word are converted automatically to signed hexadecimal (two’s
complement format).
Words SR 253 to SR 255 cannot be changed.
!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, Expansion Units, or Expansion I/O Units may operate
unexpectedly.
1,2,3...
1.
Monitor (signed decimal) the status of the word for which the present value
is to be changed.
(Signed decimal monitor)
2.
Press the CHG Key to begin decimal data modification.
3.
Input the new PV and press the WRITE Key to change the PV. The opera-
tion will end and the signed-decimal monitoring display will return when the
WRITE Key is pressed.
The PV can be set within a range of –32,768 and 32,767. Use the SET Key
to input a positive number, and use the RESET Key to input a negative
number.
If an erroneous input has been made, press the CLR Key to restore the sta-
tus prior to the input. Then enter the correct input.
The buzzer will sound if a value outside the specified range is input, allow-
ing no writing.
WRITE
c010
MONTR
1010010101010101
RUN
MONITOR
PROGRAM
No
OK
OK
D0200
-00016
CHG
PRES VAL?
D0200-00016
RESET
D
3
C
2
7
6
8
WRITE
D0200
-32768
Содержание CPM2C-S100C
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