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SECTION 5
V680 Commands
RFID System
User’s Manual
SECTION 5
Communications
Polling Input Trigger Designation (PI)
A polling auto designation causes the ID Controller to return a response indicating reception of a poll-
ing command and then perform the operation for a single input trigger designation (SI). The ID Control-
ler does not return a response until it receives the POLLING QUERY command (PC) (see note 1). The
POLLING QUERY command (PC) (see note 2) is also used to cancel processing.
Note 1. A process designation of C is used to request the response.
2. A process designation of E is used to cancel polling.
(Accepted) (No communication)
(Results of communications)
PC command
PI Mode command
Host device to Controller
Controller to host device
External input
Between Controller and Tag
- Processing completed -
Communi-
cations
Waiting for input
Response
PC command
Response
Response
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