Appendix CProgramming Console Operations
321
Operation/Description Modes* Key sequence
Hex/BCD Data Change
Used to edit the leftmost BCD or hex-
adecimal value displayed during a
Bit/Word Monitor operation. If a timer
or counter is leftmost on the display,
the PV will be the value displayed and
affected by this operation. It can only
be changed in MONITOR mode and
only while the timer or counter is op-
erating. SR words cannot be
changed using this operation.
P M
CHG
WRITE
[New data]
Bit/Word monitor in progress.
Currently monitored word ap-
pears on the left of the screen.
Binary Data Change
This operation is used to change the
value of IR, HR, AR, LR, or DM words
bit-by-bit. The cursor can be moved
left by using the up key, and right by
using the down key. The position of
the cursor is the bit that will be over-
written.
There are two types of changes on
the C200H, temporary and perma-
nent. Temporary changes result if 1
or 0 is entered. Permanent changes
are made by pressing SHIFT and
SET, or SHIFT and RESET. The for-
mer will result in an S being displayed
in that bit position. Similarly, SHIFT
and RESET will produce an R in the
display.
During operation of the PC, the bits
having 1 or 0 values will change ac-
cording to the program conditions.
Bits with S or R, however, will always
be treated as a 1 or 0, respectively.
NOT cancels S and R settings and
the bits will become 1 or 0, respec-
tively.
P M
CHG
B
1
A
0
WRITE
Binary monitor
in progress. Word
currently displayed.
SHIFT
REC
RESET
PLAY
SET
NOT
SHIFT
SV Change,
SV Reset
There are two ways of modifying the
SVs for timers and counters. One
method is to enter a new value.
The second is to increment or decre-
ment the existing SV. In MONITOR
mode the SV can be changed while
the program is being executed. Incre-
menting and decrementing can only
be carried out if the SV has been en-
tered as a constant.
P M
M
CHG
Timer/Counter
currently displayed
WRITE
[New SV]
WRITE
EXT
*Modes in which the given instruction is applicable: R = RUN, M = MONITOR, P = PROGRAM
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