14-4. PLC memory explanation
A remote I/O (RX/RY : Bit handling register) and a remote register (RWw/RWr : Word
handling register) secures the zone in the master station depends on the occupied station
number. As shown in the table below in case of this unit.
Type
Occupied station number
Remarks
4 stations
occupied
2 stations
occupied
1 station
occupied
Remote input 128 points 64 points 32 points
I/O for each 16 points is
occupied as a system area.
Remote output 128 points 64 points 32 points
Remote
resister
Master → Remote 16 points 8 points 4 points
Remote → Master 16 points 8 points 4 points
The address number of the remote station allocated to the mastering station is as shown in
the table below.
Station
No.
Remote input
Remote
output
Remote register
Remarks
Master → Remote Remote → Master
0
- - - - - - - - - - - - - - - - - - - -
Specify the
master station
1
RX0000 RY0000 RWw0000 RWr0000
2
RX0020 RY0020 RWw0004 RWr0004
3
RX0040 RY0040 RWw0008 RWr0008
-
10
RX0120 RY0120 RWw00024 RWr0024
-
64
RX07E0 RY07E0 RWw00FC RWr00FC
80
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