Mitsubishi Electric MELSEC-Q Series User Manual page 57
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Also See for MELSEC-Q Series:
- User manual (834 pages) ,
- Reference manual (674 pages) ,
- Programming manual (624 pages)
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(1) Device codes and head device numbers
The following table lists the device codes and head device numbers.
The devices that can be accessed using device memory read/write vary, depending on the target CPU module.
For details, refer to the reference manual.
Device
Special relay
Special register
Input relay
Output relay
Internal relay
Latch relay
Annunciator
Edge relay
Link relay
Data register
Link register
Contact
Timer
Coil
Current value
Contact
Retentive timer
Coil
Current value
Contact
Counter
Coil
Current value
Special link relay
Special link register
Step relay
Direct input
Direct output
Index register
File register
Extended data register
Extended data register
Device type
Device code
Bit
Word
SM
SD
TS
TC
TN
SS
SC
SN
CS
CC
CN
SB
SW
DX
DY
ZR
CHAPTER 6 COMMUNICATION LIBRARY FUNCTIONS
Device No. range
(at default assignment)
X
Y
M
L
F
V
B
D
W
Specify the number within the device
number range of the module to be
accessed.
S
Z
R
Binary code:
Specify the number within the device
number range of the module to be
D
accessed.
ASCII code:
000000 to 999999
Specify the number within the device
W
number range of the module to be
accessed.
Notation
Decimal
Hexadecimal
55
6
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