Appendix CAuto Read/Auto Write
112
Application Example of Command
Item Application Description Note
Command
transmission by
timer
Transmits next auto command after
response is returned.
R/W
Head
– When DC passes
through the
communications area of
R/W Head at fixed
intervals.
–
If a long time elapses
before next DC arrives.
–
Overlapping of the
same communication
with the same DC can
be avoided if wait time
during which DC leaves
the communication area
elapses after the end of
communication.
–
Keep transportation
speed constant.
–
Valid only for systems
where communication is
not made more than
once with same DC.
–
Make sure that another
DC does not pass
through the area.
Trigger Transmits next auto command when a
trigger is received after a response is
returned.
R/W
Head
Trigger
–
For example, auto
command is transmitted
after end of processing
for preceding process is
confirmed.
–
Trigger must be input
before the next DC
approaches.
–
Trigger processing is
necessary.
–
Make sure that the
trigger is accurately
input.