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21X MICROLOGGER OVERVIEW
Display Shows
Key
(lD:Data)
Explanation
A
02:0000
Enter repetition and advance to
the second
parameter
which specifies the first lnput Storage
location
to sample.
1
O2:1
lnput Storage location
1,
where
the panel
temperature is stored.
A
04:P00
Enter location and advance to
fourth instruction
location. Note that
a
value is not entered into
i
memory
untilA
is
keyed.
lf *0
was keyed after the
]
1 in
the previous step, the location would not
be
]
"ntered
and
would remain
0.
I
*0
:LOG
1
Exit
Table
1,
enter
"0 mode, compile program, and
]
log data.
I
The
21X is
fow
programmed
to
measure
the
paneltemperature every
5
seconds and
send each
reading to
Ffalstorage.
Values in
Final Storage can be viewed using the
*7
Mode (Section 2.3):
I
Display Shows
Key
(lD:Data)
Explanation
*7
07:
13.000
Enter
*7 Mode. The Data Storage Pointer (DSP)
is
displayed showing
the next available Final Storage
Location (location 13
in
this example).
A
01:
0102
Advance to the first value, the output array
ldentifier (lD).
The lD indicates the Output Flag
was set
in
Table
1 by
the second instruction
(Section 2.1).
A
02:21.23
Advance to the first
temperature stored. Note that
there are only 4 digits
displayed (low resolution)
while
the readings in Input Storage displayed
5
digits (Section2.2 and
lnst.78).
A
01:
0102
Advance to
the next output array. Same output
array
lD.
A
02:21.42
Advance to 2nd stored temp.
*0
:LOG
1
Change to
*0 Mode.
ln the abovq example, no time information is stored with the
data.
ln the second example,
lnstruction
77
is used to save the time of the measurements.
OV4.2
EDITING
AN
EXISTING PROGRAM
When editing an
existing program
in
the 21X,
entering
a npw instruction inserts the
instruction;
fntering a
new value for
an
instruction
flarameter replaces the previous
To insert an instruction, enter the program table
and advance to
the position where the
instruction
is
to be inserted (i.e., P
in
the data
portion
of
the display) key
in
the instruction
number, and
then key
A.
The new instruction
value.
ov-l1
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