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186
Programming Console Operations
Section 8-2
Incrementing and
Decrementing a Constant
This operation can be used to increment and decrement an SV constant. It is
possible only when the SV has been entered as a constant.
1,2,3...
1.
Press the CLR Key to bring up the initial display.
2.
Display the desired timer or counter.
3.
Press the Down Arrow, CHG, and then the EXT Key.
The constant on the left is the old SV and the constant on the right will be-
come the new SV constant in step 5.
4.
Press the Up and Down Arrow Keys to increment and decrement the con-
stant on the right. (In this case the SV is incremented once.)
5.
Press the CLR Key twice to change the timer’s SV to the new value.
8-2-22 Hexadecimal, BCD Data Modification
This operation is used to change the BCD or hexadecimal value of a word
being monitored using the procedure described in
. It is possible in MONITOR or PROGRAM mode only.
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 the status of the desired word according to the procedure de-
scribed in
8-2-14 Bit, Digit, Word Monitor
. If two or more words are being
monitored, the desired word should be leftmost on the display.
(Word monitor)
2.
Press the CHG Key to begin hexadecimal, BCD data modification.
3.
Input the new PV and press the WRITE Key to change the PV.
TIM
SRCH
00201SRCH
TIM
000
↓
CHG
EXT
00201DATA ? U/D
T000 #0123 #0123
↓
00201DATA ? U/D
T000 #0123 #0124
CLR
CLR
00201 TIM DATA
#0124
RUN
MONITOR
PROGRAM
No
OK
OK
,
'
CHG
PRES VAL?
D0000 0119
????
Содержание CPM2C-S100C
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