Mitsubishi Electric MELSEC Q Series User Manual page 42

3
SPECIFICATIONS
(2) Timing chart
Tag communication start
request (Y00)
Tag communication start
process completion (X00)
Start/stop Tag
communication
Class1 send/receive data start
address (Un\G25856 to Un\G26367)
Class3/UCMM send/receive data start
address (Un\G26368 to Un\G26879)
Reserved Tag (Class1)
(Un\G27168 to Un\G27183)
Reserved Tag (Class3/UCMM)
(Un\G27216 to Un\G27231)
Communication Status (Class1)
(Un\G27136 to Un\G27151)
Communication Status (Class3/UCMM)
(Un\G27184 to Un\G27199)
Input Area
(Un\G0 to Un\G8191)
Output Area
(Un\G8192 to Un\G16383)
Class1 Diagnostics Information
(Un\G27392 to Un\G27647)
Class3/UCMM Diagnostics Information
(Un\G27648 to Un\G27903)
Remark
3
- 6 3.2 I/O Signals for the QCPU
3.2.2 Tag communication start request (Y00), Tag communication start process completion (X00)
(a) When Tag communication started (Normal)
Parameter setting
Figure 3.1 When Tag communication started (Normal)
For details of the handshaking for read/write of send/receive data, refer to the
following.
Section 4.2.1 Class1 Tag communication
Section 4.2.2 Class3 Tag communication
Section 4.2.3 UCMM Tag communication
Tag communication in process
Start Tag
communication
Start address
Reservation status
Communication status
Performed by user
Performed by the EtherNet/IP module
Stop Tag
communication
Send/receive data
0
0
0
0
0