Command Connection: In I.code1 Mode - Omron V720S Series Operation Manual

Command Connection: In I.CODE1 Mode

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)
• 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..
1 2
<Response Format>
(1) When completed successfully
STX Node No..
1 2
(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..
1 2
5-64
This excludes Special Read.
Command
(1)
Retry
Response
flag (1)
1
Retry
Command Response
flag
(1) Code code
1 2 2
Fixed Command
"+"
1
Fixed
"+"
1
ETX BCC
1 1
Section 5-11
ETX BCC
(2)
1
Response
(2)
1
ETX BCC
1 1