Mitsubishi Electric Q80BD-J61BT11N, User Manual

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MELSEC
APPENDIX
APPENDIX
Appendix 1 Buffer memory details
The following describes the details of the items shown in the buffer memory list in
Section 3.4.
(1) Remote input (RX) and remote output (RY)
When the remote net ver.1 mode or remote net additional mode is selected, the
number of points indicated below is used.
(a) Master station remote I/O station/remote device station/local
station
1) Master station
The input status from the remote I/O station, remote device station
(RX) and local station (RY) is stored.
Two words (32 points) are used per station.
2) Local station
Data to be sent to the master station is stored in the remote output
(RY) of the address corresponding to the host station number.
The input status from the remote I/O station, remote device station
(RX) and other local station is stored.
Two words (32 points) are used per station.
E0
H
RX F to RX 0
E1
H
E2
H
E3
H
E4
H
E5
H
E6
H
E7
H
E8
H
E9
H
15C
H
RX 1F to RX 10
RX 2F to RX 20
RX 3F to RX 30
RX 4F to RX 40
RX 5F to RX 50
RX 6F to RX 60
RX 7F to RX 70
RX 8F to RX 80
RX 9D to RX 90
RX7CF to RX7C0
RX7DF to RX7D0
RX7EF to RX7E0
RX7FF to RX7F0
Address
Remote input (RX)
X0F to X00
X1F to X10
Master station
Remote I/O station
(Station number 1: occupies 1 station)
160
H
161
H
162
H
163
H
164
H
165
H
166
H
167
H
168
H
169
H
1DC
H
1DD
H
1DE
H
1DF
H
Address
RY F to RY 0
RY 1F to RY 10
RY 2F to RY 20
RY 3F to RY 30
RY 4F to RY 40
RY 5F to RY 50
RY 6F to RY 60
RY 7F to RY 70
RY 8F to RY 80
RY 9D to RY 90
RY7CF to RY7C0
RY7DF to RY7D0
RY7EF to RY7E0
RY7FF to RY7F0
Remote output (RY)
Local station
(Station number 2: occupies 4 stations)
15D
H
15E
H
15F
H
For station
number 1
… The last two bits cannot be used for communication between the master
station and the local station.
(In the example below, RY9E and RY9F cannot be used.)
For station
number 2
For station
number 3
For station
number 4
For station
number 5
For station
number 63
For station
number 64
to to to to
For station
number 1
For station
number 2
For station
number 3
For station
number 4
For station
number 5
For station
number 63
For station
number 64
APP