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MELSEC-
A
5 PRELIMINARY INFORMATION
2) When connecting four R2 modules
Master station automatic update buffer (1000H) –
(Initialization (1A0
H) + Status storage area (20H))
×
4 = 900H
The size of the areas, other than the initialization area, which can be
used by the four R2 modules will be 900
H.
The size per module will be 240H.
Master station (1000
H
worth)
1st station automatic
update buffer
2nd station automatic
update buffer
Total 900
H
(240
H
per module)
3rd station automatic
update buffer
4
th station automatic
update buffer
Initialization, status storage area (1C0H worth)
Other area
Initialization, status storage area (1C0H worth)
Other area
Initialization, status storage area (1C0H worth)
Other area
Initialization, status storage area (1C0
H
worth)
Other area
3) When connecting eight R2 modules
Master station automatic update buffer (1000H) –
(Initialization (1A0
H) + Status storage area (20H))
×
8 = 200H
The size of the areas, other than the initialization area, which can be
used by the eight R2 modules will be 200
H.
The size per module will be 40H.
Master station (1000
H
worth)
1st station automatic
update buffe
r
2
nd station automatic
update buffe
r
Total 200H
(40
H
per module)
3rd station automatic
update buffer
4
th station automatic
update buffer
Initialization, status storage area (1C0
H
worth)
Other area
5th station automatic
update buffer
6th station automatic
update buffer
7th station automatic
update buffer
8th station automatic
update buffer
Initialization, status storage area (1C0
H
worth)
Other area
Initialization, status storage area (1C0
H
worth)
Other area
Initialization, status storage area (1C0
H
worth)
Other area
Initialization, status storage area (1C0
H
worth)
Other area
Initialization, status storage area (1C0
H
worth)
Other area
Initialization, status storage area (1C0
H
worth)
Other area
Initialization, status storage area (1C0
H
worth)
Other area