User's Manual

Table Of Contents
5-8
A communication command can specify the following ten types of communication designation:
Communication
designation
code
Name Description
ST Single trigger When a command has been received, the communication with a tag is
executed and the response is returned.
st Tag-specified single trig-
ger
The communication with the tag to which the last communication was
executed and the response is returned. This operation is the same as
the single trigger (ST).
SA Single auto After the command is received, the communication is executed when
a tag has been detected in a communication area and the response is
returned.
sa Tag-specified single auto The communication with any tag other than the tag to which the last
communication was executed and the response is returned. This
operation is the same as the single auto (SA).
SI Single input trigger After the command is received, the communication with the tag is exe-
cuted at the leading edge timing of external input (TRG) and the
response is returned.
RA Repeat auto "SA" designation is repeated. The communication with the same tag,
which exists continuously, is executed only once. Processing is termi-
nated by an abort command.
RI Repeat input trigger "SI" designation is repeated. Processing is terminated by an abort
command.
PA Polling auto "SA" designation is executed and the response is returned by a query
(polling). Acceptance response is made when a command has been
received.
pa Tag-specified polling auto The communication with any tag other than the tag to which the last
communication was executed and the response is returned. This
operation is the same as the palling auto (PA).
PI Polling input trigger "SI" designation is executed and the response is returned by a query
(polling). Acceptance response is made when a command has been
received.
Correct Usage
For details of communication designation, refer to "4-1 Communication Designation Function".
5-5 Communication Designation List