8.
COMMUNlCATtONS
USING
DEDICATED
PROTOCOLS
MELSECIC\
(2)
Parameter memory batch read (ACPU common command)
3erlgnatlon Method
I
St
No.
:
§idon
number
Designation in protocol
1
is shown below.
.
~~
Chdr area
B
POINT]
To
designate the byte length,
the
following condition must be met:
0
1
I
byte
length
I
128
3esignrtlon Example
I
To
read 4-byte parameter data
in
parameter memory addresses 280H to 283H
of
the
PC
CPU in station number
'5".
(Message wait time is
0
msec)
wtthin
thir
range
Check
sum
ir
calculated
'Om-
Check rum
is
calculated
Eo5FFPRooazroo421
A
COSFF
Pder
9
A171
C24
0
within
thir
fango
K
6
4&,%
&&,&
/;7
n~,h
a,%
ha^^&
3"
%,52~
a*,##
&,I%
T
X
X
E
F
2
T
0
FIE D!A
SIC
B
F
F
0
S
Ill
aM,sn
S1,n.
ok
a
%l~,441~
B.!u~
Q"
%,*
indicates that:
The contents
of
parameter memory addresr 280H
is
OFH
The contents
of
parameter memory addrers 281 H is
EDH
The contents
of
parameter memory address 282H is A9H
The contents
of
parameter memory address 283H is CBH
*A
1
,.
n
u
8-84
w
I!
bi
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