
4-11. Major reasons of abnormal data transmission
In case data are not transmitted satisfactorily, check the followings
(J)
Cable is not wired in accordance with fig. 4-2.
(2) "51" c
omm
and is not executed in the first place.
0)
There may occur error in data reception function at 9600
baud
.
(4) There may occur error in EQUIVALE
NT
or MAG mode at the rate higher
than
4800 baud.
(5) The instrument mode does not concide with personal
com
puter
com
munication mode.
(6)
The
pers
on
al computer port setting
(CO
M I or COM 2) is not
correct.
(7)
If communication mode is changed,
tum
the instrument power off
and on.
4-12. Progra
mmin
g example
Following is the example of programs executed when the instrum
ent
is
connected with personal computer. Before connecting personal computer,
set the instrument in reference to the communication mode as described
in para
graph
3.4 (2). In this section, the programs for the personal
computer compatible with IBM pers
on
al computer is used as an example of
each functi
on
c
omm
and
.
Inp
ut signal
RS-232C interface cable
(Fig
. 4-2)
0 5-3020D
personal
oscilloscope
e---'
'---
c
omputer
103
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