Omron V600 Series Operation Manual page 20

Data Carrier Motion and Command Conditions
1, 2, 3...
18
path to the host computer is cleared and the host computer can then send com-
mands to the ID Controller's other R/W Head.
(Host Computer) (ID Controller)
Polling auto
command
(Head 1)
Response
Polling auto
(Head 1)
command
(Head 2)
Response
(Head 2)
Sub-
command
(Inquiry to head 1)
Response
(Not close
Sub- to head 1)
command
(Inquiry to head 2)
Response
(Not close
to head 2)
Read/Write
Processing
Head 1
Sub-
command
(Inquiry to head 1)
Response
Head 1
processing
completed
1. A polling auto command is sent to Head 1.
2. The ID Controller receives the command and returns a response indicating
that it has received the command.
3. A polling auto command is sent to Head 2.
4. The ID Controller receives the command and returns a response indicating
that it has received the command.
5. The host computer can query the status of processing using subcommands
or suspend polling auto processing.
6. When the DC is not close to the specified R/W Head, a "not close" response
is returned in response to a query subcommand.
7. When the DC passes in front of a R/W Head, write or read processing is per-
formed.
Section
(DC)
Not close
Not close
Not close
Not close
DC
Passes on
3-1