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MELSEC-Q
10 DEVICES
10 DEVICES
This chapter describes all devices that can be used in the High Performance model
QCPU.
10.1 Device List
The names and data ranges of devices which can be used in the High Performance
model QCPU are shown in Table 10.1 below.
Table 10.1 Device List
Default Values
Class
Type
Device Name
Number of Points
Range Used
Parameter
Designated
Setting Range
Reference
Section
Input
3
8192 points
X0 to X1FFF
Section 10.2.1
Output
3
8192 points
Y0 to Y1FFF
Section 10.2.2
Internal relay
8192 points
M0 to M8191
Section 10.2.3
Latch relay
8192 points
L0 to L8191
Section 10.2.4
Anunciator
2048 points
F0 to F2047
Section 10.2.5
Edge relay
2048 points
V0 to V2047
Section 10.2.6
Step relay
3
8192 points
S0 to S511 / block
Section 10.2.9
Link special relay
3
2048 points
SB0 to SB7FF
Section 10.2.8
Bit devices
Link relay
8192 points
B0 to B1FFF
Section 10.2.7
Timer
1
2048 points
T0 to T2047
Retentive timer
1
0 points
(ST0 to ST2047)
Section 10.2.10
Counter
1
1024 points
C0 to C1023
Section 10.2.11
Data register
12288 points
D0 to D12287
Section 10.2.12
Link register
8192 points
W0 to W1FFF
Section 10.2.13
Internal user
devices
Word devices
Link special register
1
2048 points
SW0 to SW7FF
Changeable within
29k words.
3
Section 10.2.14
Function input
5 points
FX0 to FX4
Section 10.3.1
Function output
5 points
FY0 to FY4
Section 10.3.1
Bit devices
Special relay
2048 points
SM0 to SM2047
Section 10.3.2
Function register
5 points
FD0 to FD4
Section 10.3.1
Internal
system
devices
Word devices
Special register
2048 points
SD0 to SD2047
Unchangeable
Section 10.3.3
Link input
8192 points
Jn\X0 to Jn\X1FFF
Link output
8192 points
Jn\Y0 to Jn\Y1FFF
Link relay
16384 points
Jn\B0 to Jn\B3FFF
Bit device
Link special relay
512 points
Jn\SB0 to Jn\SB1FF
Link register
16384 points
Jn\W0 to Jn\W3FFF
Link direct
devices
Word device
Link special register
512 points
Jn\SW0 to Jn\SW1FF
Unchangeable
Section 10.4
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