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3 SPECIFICATION
MELSEC-QnA
2
Local station
• Data to be sent to master station is stored in the remote output (RY)
corresponding to the host station.
• Input status from remote I/O station, remote device station (RX) and
other local station are stored.
• Two words are used per station.
... The last 2 bits cannot be used when the master station and the
local station are communicating.
160
H
1DB
H
1DCH
1DDH
1DEH
1DF
H
For station No.1
For station No.2
For station No.3
For station No.4
For station No.5
For station No.6
For station No.7
For station No.8
For station No.9
For station No.63
For station No.64
to to
Local station
(station No.5: occupies 4 stations)
Local station
(station No.4: occupies 1 station)
161H
162H
163H
164
H
165H
166H
167H
168
H
169
H
16AH
16BH
16C
H
16D
H
16EH
16F
H
170
H
171H
172H
Remote output (RY) AddressRemote output (RY)
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 7D to RY 70
RY 8F to RY 80
RY 9F to RY 90
RY AF to RY A0
RY BF to RY B0
RY CF to RY C0
RY DF to RY D0
RY EF to RY E0
RY FD to RY F0
RY10F to RY100
RY11F to RY110
RY7CF to RY7C0
RY7DF to RY7D0
RY7EF to RY7E0
RY7FF to RY7F0
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 7D to RY 70
RY 8F to RY 80
RY 9F to RY 90
RY AF to RY A0
RY BF to RY B0
RY CF to RY C0
RY DF to RY D0
RY EF to RY E0
RY FD to RY F0
RY10F to RY100
RY11F to RY110
RY7CF to RY7C0
RY7DF to RY7D0
RY7EF to RY7E0
RY7FF to RY7F0
to
Local station's buffer memory address and station number correspondence table
Station
number
Buffer memory
address
Station
number
Buffer memory
address
Station
number
Buffer memory
address
Station
number
Buffer memory
address
Station
number
Buffer memory
address
1 160H to 161H 14 17AH to 17BH 27 194H to 195H 40 1AEH to 1AFH 53 1C8H to 1C9H
2 162H to 163H 15 17CH to 17DH 28 196H to 197H 41 1B0H to 1B1H 54 1CAH to 1CBH
3 164H to 165H 16 17EH to 17FH 29 198H to 199H 42 1B2H to 1B3H 55 1CCH to 1CDH
4 166H to 167H 17 180H to 181H 30 19AH to 19BH 43 1B4H to 1B5H 56 1CEH to 1CFH
5 168H to 169H 18 182H to 183H 31 19CH to 19DH 44 1B6H to 1B7H 57 1D0H to 1D1H
6 16AH to 16BH 19 184H to 185H 32 19EH to 19FH 45 1B8H to 1B9H 58 1D2H to 1D3H
7 16CH to 16DH 20 186H to 187H 33 1A0H to 1A1H 46 1BAH to 1BBH 59 1D4H to 1D5H
8 16EH to 16FH 21 188H to 189H 34 1A2H to 1A3H 47 1BCH to 1BDH 60 1D6H to 1D7H
9 170H to 171H 22 18AH to 18BH 35 1A4H to 1A5H 48 1BEH to 1BFH 61 1D8H to 1D9H
10 172H to 173H 23 18CH to 18DH 36 1A6H to 1A7H 49 1C0H to 1C1H 62 1DAH to 1DBH
11 174H to 175H 24 18EH to 18FH 37 1A8H to 1A9H 50 1C2H to 1C3H 63 1DCH to 1DDH
12 176H to 177H 25 190H to 191H 38 1AAH to 1ABH 51 1C4H to 1C5H 64 1DEH to 1DFH
13 178H to 179H 26 192H to 193H 39 1ACH to 1ADH 52 1C6H to 1C7H – –