Mitsubishi Electric MELSEC IQ-R series Reference Manual page 70

Device codes
Specify the device name to be accessed.
Specify the device within the range of the access target module.
For the values of each device code, refer to the following section.
Page 70 Device code list
■Data communication in ASCII code
Convert the numerical value to 2-digit or 4-digit ASCII code (hexadecimal), and send it from the upper digits.
• For MELSEC-Q/L series: 2-digit ASCII code
• For MELSEC iQ-R series: 4-digit ASCII code
The '*' in a device code can also be specified with a space (code: 20H).
■Data communication in binary code
Send the 1-byte or 2-byte numerical value from the lower byte (L: bits 0 to 7).
• For MELSEC-Q/L series: 1 byte
• For MELSEC iQ-R series: 2 bytes
Ex.
For input (X)
Subcommand type
For MELSEC-Q/L series
For MELSEC iQ-R series
8 DEVICE ACCESS
68
8.1 Data to be Specified in Commands
ASCII code
X *
58 2A
H H
X * * *
58 2A 2A 2A
H H H H
Binary code
9C
H
9C 00
H H