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SELECTED OPERATING DETAILS
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1.
StorinolData - Data is stored in
Final
PROMs are available which have different
Storag-{
only by Output
Processing
combinations of
instructions. Appendix
B
Instruiiions and only when the Output
Flag
describes the options available and gives
is
set.
i(Sections
OV2
and
OV3.3)
the signatures of the current PROMS.
3.
Data
Tians{er
-
On-line data transfer
f
rom
INSTRUCTIONS
Final
Qtorage
to peripherals (tape,
printer,
Storagp Mo.-dule,'etc.)occurs onty
if
enabied
Case Statement (83 & 93,
Section
12)
with Inptruction 96
in
the datalogger
prografn or
in
the *4
Mode.
(se-clion
+.t)
Arc Tangent (66
Section
10)
2.
Storing Date and
Trme
Date and time are
stored
in Final Storage ONLY
if
the
Reat
Time lrlrstruclionTT is
used.
(Section
11)
Final
$torage Resolution
-
All Input Storage
values]are displayed ("6 mode) as
high
resolulion with a maximum value
ol99999.
Howerier, the default resolution for data
stored in
FinalStorage is low resolution,
maxin'lum value of
6999.
Results
exceefling 6999 are stored as 6999 unless
InstruOtion
78 is used to store the values
in
Final
$torage as high resolution values.
(Sections
2.2.1 and 11\
Floatirlrg
Point Format
-
The computations
pedorfned
in
the
21X use floating point
arithnletic.
CSI's 4 byte
floating point
numbFrs contain
a
23 bit binary mantissa
and
a16
bit binary
exponent. The largest
and
srinallest
numbers that can be stored
and
piocessed are
9
x
1018
and
1
x
10'1e,
respeptively. (Section 2.2.2)
Erasinrg
Final
Storage
Data in Final Storage
can be erased without altering
the program
by repartitioning memory
in
the'A
Mode.
(Section
1.5.2)
ALL memory
can
be
erased and the 21X
completely reset by entering 978 for the
numler
of bytes left in Program Memory.
(Section
1.5.2)
The set of instructions available
in
the 21X
is delermined by
the PROM (Programmable
Read Only
Memory)that it
is
equipped with.
9.
Significant changes
in
the current PROM
release
(OSX-0.1
,
OSX-1
.1
,
and
OSX'2.1)
include:
Wind Vector (69 replaces 76, Section
1
1)
Serial Output has an option to send
a
file mark
to a Storage Module (96, Section
12)
Low Pass Filter: on the first execution after
compiling,
the input value is used for the filtered
result
Commands
to set, toggle and pulse porls
are
now available
for Program Control Instructions
(Section
12)
Revision
3 of
the above PROMS includes
the
capability to sense
status(O
V low,
5
V high)
on
the high side of
a
differentialchannel
(lnstruction
91
,
Section
12).
FEATURES
Ports
can now be manually toggled from the
keyboard or
TERM (PC208 software)
The.B
Mode now displays PROM version
and
revision, execution overruns, and accumulated
error 8s in addition to signatures.
The capability of transferring programs via
cassette
tape is no longer supported
in
the
standard PROM options.
4.
5.
o.
7.
8.
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