Mitsubishi Electric MELSEC Q Series User Manual page 90

4
FUNCTION
(2) Timing of the Class3 Tag communication
Remark
4
- 14 4.2 Tag Communication Function
4.2.2 Class3 Tag communication
"Application Trigger" or "Cyclic" can be selected for the communication timing.
(a) Application Trigger (communication at any specified timing)
A read or write request can be sent only while the Application Trigger request
(Class3/UCMM)(Un\G27072 to Un\G27087) is on.
Select "Application Trigger" for "Trigger".
Turn on the Application Trigger request (Class3/UCMM)
(Un\G27072 to Un\G27087) on the Originator side
SET
Originator
Class3 Tag
Figure 4.13 Application Trigger (communication at any specified timing)
(b) Cyclic (cyclic communication)
Select this when sending a read or write request at intervals of RPI.
A request can be also sent when the Application Trigger request
(Class3/UCMM)(Un\G27072 to Un\G27087) is turned on.
If no Application Trigger request has been sent for a period longer than RPI, the
communication interval will return to RPI.
Select "Cyclic" for "Trigger".
Turn on the Application Trigger request (Class3/UCMM)
(Un\G27072 to Un\G27087) on the Originator side
SET
Originator
Class3 Tag
Figure 4.14 Cyclic (cyclic communication)
For details of the Application Trigger request (Class3/UCMM)(Un\G27072 to
Un\G27087), refer to the following.
Section 3.3.12 Application Trigger (Class3/UCMM)
Target
Request
Class3 Tag
Target
Request
Class3 Tag