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Mitsubishi Electric MELSEC Q Series User Manual Page 95

Ethernet/ip network interface module for programmable controller.
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4
FUNCTION
(b) Write request
QCPU
1)
[ SET Y0 ]
Originator
Device
Class3/UCMM Output Area
2)
(Un\G12288 to Un\G16383)
Figure 4.18 Tags used for UCMM Tag communication (write request)
POINT
EtherNet/IP module
(request source)
3)
UCMM Tag (Write)
4)
1) The Tag communication start request (Y00) is set to on.
2) Device data are stored in the Class3/UCMM Output Area (Un\G12288 to
Un\G16383).
3) The Application Trigger request (Class3/UCMM)(Un\G27072 to Un\G27087) is
turned on to send a write request.
(
(2) Timing of the UCMM Tag communication in this section)
Whether communication is normal or not can be checked in the
Communication Status (Class3/UCMM)(Un\G27184 to Un\G27199).
4) Tag data are written.
5) Data in the Class3/UCMM Input Area (Un\G4096 to Un\G8191) are stored in
the device.
When Extension Class3/UCMM Input Area is used, the steps 2) and 4) above are
performed by the auto refresh. (
EtherNet/IP module
(request target)
Target
UCMM Tag (Write)
Class3/UCMM Input Area
5)
(Un\G4096 to Un\G8191)
Section 7.9.7 "Refresh Parameter" window)
4.2 Tag Communication Function
4.2.3 UCMM Tag communication
1
QCPU
1)
2
[ SET Y0 ]
Device
3
4
5
6
7
8
4
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