Omron V600 Series User Manual page 116

Section 5
Communications
■ 1:N Communications
Command
Controller No.
@ x x
3
Data code specification
R/W Head No.
Write area start address
Write data
Response
Controller No. Command code
x
@ x
3
End code
RFID System
114
Operation Manual
Data code
R/W Head No.
specifica-
Command code tion Write area start address
P W A/H 1/2 x x
2 1 1
Specifies the type of code in which the write data is being sent.
A: ASCII
H: Hexadecimal
Specifies the Read/Write Head with which to communicate.
1: Read/Write Head 1
2: Read/Write Head 2
Specifies the first address to which to write data to the Data Carrier as a four-digit hexadecimal
number.
Specifiable range: 0000H to FFFFH
The data to write to Data Carrier memory. Up to 256 bytes can be written with one command.
• ASCII specification: 256 bytes (256 characters)
• Hexadecimal code specification: 256 bytes (512 characters)
Note: When using hexadecimal code, set two characters for each byte.
End code FCS Terminator
P W 0 0 x x
2 2 2
Indicates the results of command execution.
74: Polling command received.
The only error codes returned here are 74 and error codes for communications errors with the
host device.
Refer to End Codes for more information.
p.135
Write data
x x x x x x
4
n
* CR
2
FCS
Terminator
x x * CR
2 2