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8. COMMUNICATIONS USING DEDICATED PROTOCOLS
MELSEC-A
8.1 1.3
Reading PC CPU model name
(1)
PC CPU model name and corresponding codes
PC CPU Model Name
Code To Be Read
/
(Hexadecimal)
I
PC CPU Model Name
I
(2) Reading PC CPU model name (ACPU common commands)
AOJ2HCPU
A1 CPU, A1 NCPU
A2CPU(-Sl), A2NCPU(-S1)
A2ACPU
A2ACPU-S1
lesianation Method
I
St. No. :Station number
Designation in protocol
1 is
shown below.
98H
A1 H
A2H
92H
93H
PC CPU module read command
I
A3CPU. A3NCPU
A3ACPU
A3HCPU, A3MCPU
A73CPU
AJ72P251R25
j e s i g n a t i o n
Example1
TO read PC CPU model name at station number "30" (Message wait time is
0
msec)
A3H
94H
A4H
A3H
ABH
1
Computer
;
This indicates PC CPU module name ofA3
or
A3N CPU
Sum check is calculated
within this range
.
Computer
AJ71 C24
E
f:
E
N
0
05"
I
ik,
H I L
P C
I
;
AJ71C24
Character B area
I
LE
H l L
r
E
I
,
5
s
Message
I
sf.
No.
H I L
This indicates station number
"30"
x
(1 E in hexadecimal)
I
check
code
H I L
F
F
46"
,
i b r
1
PC
NO.
H I L
A
;
I
PC
NO.
M I L
P
Sum check is calculated
within this
range
13"
1
St.
No.
H I L
I
PC
type
(2
characters)
H
I L
E
;
,
Sum
;pi , "
H I L
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