Mitsubishi Electric MELSEC IQ-R series Reference Manual page 443

Data to be specified
■Extension specification
Specify the access target network No. in hexadecimal.
• ASCII code: Specify J (4AH) at the head of data. Convert the numerical value to 3-digit ASCII code (hexadecimal), and
send it from the upper digits.
• Binary code: Send 2-byte numerical values from the lower byte (L: bits 0 to 7).
Ex.
For network No.8
ASCII code
J 0 0 8
4A 30 30 38
H H H H
Using the index register of CPU module, the access target network No. can be specified indirectly.
Page 446 Access to index the network No. and start input/output number
■Device code and device number
Specify the following devices. (Page 67 Devices)
• Link input (X)
• Link output (Y)
• Link relay (B)
• Link special relay (SB)
• Link register (W)
• Link special register (SW)
For the values of device codes, refer to the following section.
Page 70 Device code list
Using the index register of CPU module, the access target device number can be specified indirectly.
Page 447 Access to index the device number
Device extension specification example
Access W100 (J1\W100) of network No.1 by specifying subcommand 0080.
■Data communication in ASCII code
Subcommand
specification
0 0 8 0 0 0 J
30 30 38 30 30 30 4A
H H H H H H H
■Data communication in binary code
Device
Subcommand number
80 00 00 00 00 01 00
H H H H H H H
Binary code
08 00
H H
Extension Device
code
0 0 1 0 0 0 W
30 30 31 30 30 30 57 2A
H H H H H H H
Device Extension
code specification
B4 00 00 01 00 F9
H H H H H H
Device number
* 0 0 0 1 0 0 0
30 30 30 31 30 30 30
H H H H H H H
Appendix 1 Read/Write by Device Extension Specification
0 0
30 30
H H H
APPENDICES APPENDIX
A
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