CI
...
P
--4
P
L-
L
r
L.,
r
L
--
P
rr
c
L.
P
8.
COMMUNICATIONS USING DEDICATED PROTOCOLS
MELSEGA
(b) Using the
JR
command (AnACPU dedicated command)
)eslgnation Method
I
St
No.
:
Station
number
Designation
in
protocol
1
is shown below.
Batch
read
(bii
command
Character
areaA
\
0(3oH)indicatbSOFF,and
1
(314
indii
ON.
II
I
No.
k.
HIL
HlL
POINT
To
designate the device range, the following conditions must be met:
0
1
5
number of device points
s
256
(setting for
256
points is OOH)
0
(Head device number)
+
[(number
of
device points)
-
11
s
maximum
device number
To
read the data at
5
points from
X40
to
X44
in
station
'5".
(Message wait time is
100
msec.) (Assume that
X40
and
X43
are OFF and
X41, X42,
and
X44
are
ON.)
Check
sum
is
calculated
within
this
range
A
C
05FF
&*I3
46
K
POINT]
The message wait time is designated in the range of
0
to
150
msec in
units
of
10
msec, using hexadecimal notation of
0
to FH. Therefore,
100
msec CorresDonds to 'A".
8-29
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
To Next Page
Loading...
