5-9 Command Connection: I.CODE1 Mode only
5-9
5-66
This Command Connection works in I.CODE1 Mode Only, and does not support ISO Mode.
A command connection function allows the Reader/Writer to perform a pair of read and write operations
at a time by sending a command only once.
Any of the following six commands can be paired.
•
Read (RD)
This excludes Special Read.
•
Write (WT)
•
Polling Single Auto Read (PR)
•
Polling Single Auto Write (PW)
•
Memory Check (MC)
•
Memory Calculation (MK)
Example of command connection
In a command connection function, a single STX, Node No., BCC and ETX are shared each, and connected
to each other using "+."
<Command Format>
STX Node No..
Command
(1)
Fixed
“+”
Command
(2)
ETX BCC
1
2
1
1
1
<Response Format>
(1) When completed successfully
STX Node No..
Retry
flag
Response
(1)
Fixed
“+”
Response
(2)
ETX BCC
1
2
1
1
1
1
(2) When completed unsuccessfully
When a command has not completed successfully, the command code of the command (1) and a
response code are returned.
STX Node No..
Retry
flag
Command
(1) Code
Response
code
ETX BCC
1 2 1 2
2 1
1
