8.
COMMUNICATIONS
USING
DEDICATED
PROTOCOLS
M.ELSEC4
(3)
Extension comment memory batch write
Batch write
of
data to the extension comment memory using an AnACPU
dedicated command is shown below.
Designation
Method
I
si.No.:adonnumbu
Designation in protocol 1 is shown below.
Extension comment memory batch write
command
\
1
byte uses
2
characters.
Therefore,
1
byte data is ex-
pressed in
2
digits (hexadecimal).
POINT)
To
set the number
of
bytes, the following conditions must be met:
0
1
I
number
of
bytes
I
128
0
(Head address)
+
[(number
of
bytes)
-
11
s
extension comment
memory capacity
Deslanatlon
Example
I
To
write
4
bytes
of
extension comment to the extension comment memory area beginning
with OBB8H
(3000
in
decimal) in station number
'0".
(Message wait time
is
0
msec)
Check sum is calculated within this range
Indicatas that:
(1) 56H
is written to addresa
OBB8H,
(2)
9AH
is written to address
OBBSH,
(3)
B5H
is written to address
OBBAH,
and
(4)
12H
is written
to
address
OBBBH.
8-102
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
To Next Page
Loading...
