Mitsubishi Electric MELSEC-Q00U(J)CPU

236
(3) Accessible devices
The following table lists the accessible devices by the serial communication function.
*1 This is a code specified in MC protocol messages. When communicating data in ASCII code, specify the code in two
characters. If the code consists of only one character, add "*" (ASCII code: 2A
H
) or a space (ASCII code: 20
H
) after the
character.
*2 Devices of DX/DY1000 or later are not available. Use X/Y devices to access devices of X/Y1000 or later.
*3 The Q00UJCPU does not support these devices.
Category Device
Device code
*1
Device number range
ASCII Binary
Internal system
device
Function input --- ---
(Cannot be accessed)
Hexadecimal
Function output --- --- Hexadecimal
Function register --- --- Decimal
Special relay SM
91
H
Within the device number range of the CPU module
accessed. Note, however, that local devices cannot be
accessed.
Decimal
Special register SD
A9
H
Decimal
Internal user
device
Input X *
9C
H
Hexadecimal
Output Y *
9D
H
Hexadecimal
Internal relay M *
90
H
Decimal
Latch relay L *
92
H
Decimal
Annunciator F *
93
H
Decimal
Edge relay V *
94
H
Decimal
Link relay B *
A0
H
Hexadecimal
Data register D *
A8
H
Decimal
Link register W *
B4
H
Hexadecimal
Timer
Contact TS
C1
H
DecimalCoil TC
C0
H
Current value TN
C2
H
Retentive
timer
Contact SS
C7
H
DecimalCoil SC
C6
H
Current value SN
C8
H
Counter
Contact CS
C4
H
DecimalCoil CC
C3
H
Current value CN
C5
H
Link special relay SB
A1
H
Hexadecimal
Link special register SW
B5
H
Hexadecimal
Step relay S *
98
H
Decimal
Direct input
*2
DX
A2
H
Hexadecimal
Direct output
*2
DY
A3
H
Hexadecimal
Index register Index register Z *
CC
H
Within the device number range of the CPU module
accessed
Decimal
File register
*3
File register
R *
AF
H
Decimal
ZR
B0
H
Hexadecimal
Extended data
register
*3
Extended data register D *
A8
H
• Binary: Within the device number range of the CPU
module accessed
• ASCII: 000000 to 999999 (up to 976.6K points)
Decimal
Extended link
register
*3
Extended link register W *
B4
H
Within the device number range of the CPU module
accessed
Hexadecimal