Table of Contents
Advertisement
3.
SPECIFICATIONS
MELSEC-A
(2)
Functions available with the AnACPU dedicated commands
Table 3.4 Functions List When Usina a Dedicated Protocol
Description
PC CPU State
-
Refer-
ence
Sec-
tions
-
8.7.2
-
8.7.3
-
8.7.4
-
8.7.5
-
8.7.6
-
8.7.7
-
8.7.8
-
8.8.6
-
8.8.7
-
8.12.7
Nurnbwof
Poim
Processed
per Com-
munications
luring RUh
1
p
Batch
256 points
32 words
(51 2 points)
64 points
4AH. Writes bit devices (such as
X.
Y . M) in
57H
umts of 1 device.
JW
I I
160 points
10 words
(160 points)
64 points
Batch
units
units
Writes bit devices (such as
X, Y ,
M) in
C) i n units of 1 device.
4AH, Specifies bit devices (such as
X,
Y , M)
JT
54H
and device number in units of 1 device
at random and setsiresets the device.
Specifies bit devices (such
as
X, Y , M)
and device number in units of 16
devices at random and setsiresets the
s l ~ ,
device.
QT
54H
Specifies word devices (such
as
D, R,
T,
C) and device number i n units of 1
device at random and setsiresets the
device.
20 points
levice
lernory
(random
units
10 words
(160 points)
10 points
4AH, Sets bit devices to be monitored (such
4DH
as
X.
Y . M) in units of 1 device.
JM
I I
40 points
units
Monitor
regist- Wo
ration
Units
Sets bit devices to be monitored (such
(such as
D,
R.
T.
C)
in units of 1 device.
20 words
1320 oointsl
20 points
units
Monitor
units
Reads data from devices for which
device data has been registered.
Reads data i n units of 1 device by desig
nating the device numbers continuously
regardless of the extension file register
block numbers.
Direct Word
xten.
read
units
sgister
Direct Word
write
units
34 points
34 points
-
DW
: ; $
Writes the extension comment data.
POINT/
The commands given in Table 3.4 can be used when the AJ71C24 is used
together with
the
A Z A C P U ( S 1 )
or
A3ACPU. The
whole range
of device
memory is accessible using these commands.
For functions other than those listed in Table 3.4, use the commands given
in Table 3.3.
Advertisement
Table of Contents
