Omron V600 - Page 69

67
RFID System
User's Manual
Section 3
l
Communications Commands
Section 3
Commands
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.
Communications Procedure
256 characters max. per frame
250 characters
254 characters
254 characters max.
XR
CR
CR
CR
00
Read data 1
Read data 2
Read data (n-1)
Read data n
Frame 1
Frame 2
Frame
(n-1)
Frame n
:
XR CR CR CR CR
Frame 1 Frame 2 Frame nFrame n-1
Host
Hand-held Reader Writer
Command
Delimiter
Delimiter
Delimiter Delimiter
Res
p
onse 1 Res
p
onse 2 Res
p
onse nRes
p
onse n-1
...
CR