Mitsubishi Electric MELSEC-A Series User Manual page 88

4.A2CCPU
- - - - - - - - - - - - - - - - - - - - MELSEC-A
IREMARKSI
(1) I/O allocation of A2CCPUP21/R2l is possible only for the remote I/O station which
U88S
the
AJ72P25/R25 data link module.
For an I/O module connected to A2CCPUP21/R21 and a remote I/O station connected to
AOJ2P25/R25 data link module, it is not allowed to change the number of
I/O
points by
I/O
allocation.
(2) For the number of used points, vacant area, MIL area (for communications between master
and local stations) of an A2CCPUP21/R21 and an I/O module connected to AOJ2P25/R25,
set these assuming that an arbitrary input modules and output modules are loaded or that
vacant slots are provided.
With the following system configuration, the used I/O points
(XIYO
to 7F) of the host station
is allocated to "4 modules x vacant 32 points.
n
System Example
Allocation Range I/O Allocalion
Remote
I/O
statlon
Slot
Module
No.
0 S32
1
S32
2
S32
3
S32
4 S32
5 X16
6 Y16
Number of I/O
points used by
host station
X/Y used by
remote stations
F
10
o
7F
80
to
SF
IF
A2CCPU
'- AXl1C
>-
AXllC AY51C '- AY13C
P21/R21
II
Master station
PW
AJ72
Vacant AXl0
J
AY10
Vacant Vacant
P25/R25
132
points) (16 points)I(16 points)
POINT
I
(1) Do not set the following with a peripheral device.
a) Link range
b) Interruption counter
c) I/O number assignment
(2)
*
1
:
Up to 4032 comments can be created with a peripheral device.
(3)
*2:
Setting is possible with a system FD later SW4GP-GPPA.
Use a sequence program when a system FD of SW3GP-GPPA or
earlier version.
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