Command Connection: In I.CODE1 Mode
Section 5-11
5-64
5-11 Command Connection: In I.CODE1 Mode
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 opera-
tions 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
Содержание V720S Series
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