Omron V600 User Manual page 73

When the read data is 251 characters or higher.
The data received from the host device is divided into frames according to the delimiters (CR), as
shown in the following diagram.
Frame 1
Frame 2
Frame
(n-1)
Frame n
Communications Procedure
Command
Host
Hand-held Reader Writer
256 characters max. per frame
250 characters
NR 00
254 characters
Read data 2
Read data (n-1)
254 characters max.
Read data n
Delimiter Delimiter Delimiter
NR CR
Frame 1 Frame 2
Response 1 Response 2
Read data 1 CR
CR
CR
CR
Delimiter
CR CR CR
Frame n-1 Frame n
Response n-1 Response n
Section 3
Commands
RFID System
71
User's Manual