
2.LCD-MOUNTED TYPE 16i/18i/21i-A, Power Mate i-D/H OPERATION B-62714EN/04
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DI/DO data allocation of the master function
DO data allocation
A DO data area can be set for each slave station according to [DO
ADDR] and [DO SIZ].
NOTE
A DO data area can be shared by slave stations by
setting the same DO data area start address and the
same DO data area size for each slave station.
DI data allocation
A DI data area can be set for each slave station according to [DI
ADDR] and [DI SIZ].
CAUTION
No DI data area can be shared by slave stations.
Example:
A 32-byte DO data area for slave station #1 is allocated starting
at R0100, a 32-byte DI data area for slave station #1 is allocated
starting at R0300, a 48-byte DO data area for slave station #2 is
allocated starting at R0200, and a 48-byte DI data area for slave
station #2 is allocated starting at R0400. The DI data area and DI
data areas are allocated as shown below.
R0100
DO data from the master station to
slave station #1
↑
32 bytes
↓
R0200
DO data from the master station to
slave station #2
↑
48 bytes
↓
R0300
DI data from slave station #1 to
the master station
↑
32 bytes
↓
R0400
DI data from slave station #2 to
the master station
↑
48 bytes
↓