Mitsubishi MELSEC Q Series Reference Manual page 452
With melsec communication protocol
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Also See for MELSEC Q Series:
- Programming manual (1296 pages) ,
- User manual (814 pages) ,
- Structured programming manual (268 pages)
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Device
1
Device (
)
code
D0
Data register
(44
, 20
H
W0
Link register
(57
, 20
H
R0
File register
(52
, 20
H
TN
Current value
(54
, 4E
H
TS
Timer
Contact
(54
, 53
H
TC
Coil
(54
, 43
H
CN
Current value
(43
, 4E
H
CS
Counter
Contact
(43
, 53
H
CC
Coil
(43
, 43
H
X0
Input
(58
, 20
H
Y0
Output
(59
, 20
H
Internal relay
M0
Including latch relay
(4D
, 20
H
and step relay
B0
Link relay
(42
, 20
H
F0
Annunciator
(46
, 20
H
6 - 19
(2) Designation method and accessible range of devices.
(a)
In device read/write, each device is set by a device code and number as
shown in the diagram below.
B15
to
B0 B31
Device code
[Example] In case of D100
D100 = 4420 00000064
(b) The following table outlines the device codes and numbers.
Device list (CPU module without restriction)
Device range
Device number
D0 to D1023
0000
D1024 to D6143
0400
)
H
D9000 to D9255
2328
W0 to W3FF
0000
)
W400 to WFFF
0400
H
R0 to R4095
0000
)
R4096 to R8191
1000
H
T0 to T255
0000
)
T256 to T2047
0100
H
T0 to T255
0000
)
T256 to T2047
0100
H
T0 to 255
0000
)
T256 to T2047
0100
H
C0 to C255
0000
)
C256 to C1023
0100
H
C0 to C255
0000
)
C256 to C1023
0100
H
C0 to C255
0000
)
C256 to C1023
0100
H
X0 to X0FF
0000
X100 to X1FF
0100
)
X200 to X3FF
0200
H
X400 to X7FF
0400
Y0 to Y0FF
0000
Y100 to Y1FF
0100
)
Y200 to Y3FF
0200
H
Y400 to Y7FF
0400
M0 to M2047
0000
M2048 to M8191
0800
)
H
M9000 to M9255
2328
B0 to B3FF
0000
)
B400 to BFFF
0400
H
F0 to F255
0000
)
F256 to F2047
0100
H
6 WHEN COMMUNICATING USING THE A COMPATIBLE 1E FRAMES
to
Device number (Set in hexadecimal)
H
Device number (hexadecimal)
Device code
A1S,
A1S-S1 A2S,
A1SH,
A1SJ,
A1SJH(-S8),
A1,
A1N
to 03FF
H
H
–
–
to 17FF
H
H
to 2427
H
H
to 03FF
H
H
–
–
to 0FFF
H
H
–
–
to 0FFF
H
H
–
–
to 1FFF
H
H
to 00FF
H
H
–
–
to 07FF
H
H
to 00FF
H
H
–
–
to 07FF
H
H
to 00FF
H
H
–
–
to 07FF
H
H
to 00FF
H
H
–
–
to 03FF
H
H
to 00FF
H
H
–
–
to 03FF
H
H
to 00FF
H
H
–
–
to 03FF
H
H
to 00FF
H
H
–
to 01FF
H
H
–
–
to 03FF
H
H
–
–
to 07FF
H
H
to 00FF
H
H
–
to 01FF
H
H
–
–
to 03FF
H
H
–
–
to 07FF
H
H
to 07FF
H
H
–
–
to 1FFF
H
H
to 2427
H
H
to 03FF
H
H
–
–
to 0FFF
H
H
to 00FF
H
H
–
–
to 07FF
H
H
B0
: Accessible
: Not accessible
A2SH-S1,
A3,
A2A
A2SH,
A2S-S1,
A3N
A2,
A2-S1,
A2N,
A2N-S1
A2C,
A2CJ,
A0J2H
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
(Continued to the next page)
– : No device.
A2A-S1 A3A
–
–
–
–
6 - 19
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