Class3/Ucmm Send/Receive Data Start Address - Mitsubishi Electric MELSEC Q Series User Manual

3
SPECIFICATIONS
3.3.8

Class3/UCMM send/receive data start address

Start addresses of Class3/UCMM Tag communication data are stored in this area.
For details of the timing chart, refer to the following.
Section 3.2.2 (2) Timing chart
(1) Class3/UCMM receive data start address (Un\G26368 to Un\G26623)
Start addresses of receive data in Class3/UCMM Tag communication are stored in
this area.
The following tag data are stored.
Data read out from the target device by read request
Data written by write request from the target device
Address
Dec. (Hex.)
Un\G26368
Tag No.1
Un\G26369
Tag No.2
Un\G26623
Tag No.255
Figure 3.8 Class3/UCMM receive data start address (Un\G26368 to Un\G26623)
(2) Class3/UCMM send data start address (Un\G26624 to Un\G26879)
Start addresses of send data in Class3/UCMM Tag communication are stored in this
area.
The following tag data are stored.
Data to be written to the target device Tag by write
request
Data to be read out from the target device by read
request
Address
Dec. (Hex.)
Un\G26624
Tag No.1
Un\G26625
Tag No.2
Un\G26879
Tag No.256
Figure 3.9 Class3/UCMM send data start address (Un\G26624 to Un\G26879)
Table 3.16 Receive data of Class3/UCMM Tag
Item
Start address of receive data
Start address of receive data
Start address of receive data
Table 3.17 Send data of Class3/UCMM Tag
Item
Start address of send data
Start address of send data
Start address of send data
3.3.8 Class3/UCMM send/receive data start address
Class3/UCMM Tag setting in EtherNet/IP module
Target/Originator
Originator
Target
b15
4096 to 8191 : Start address of receive data
\ FFFF : No receive data assigned,
Un G26368
H
or receive data assigned to
Extension Class3/UCMM
Input Area
Class3/UCMM Tag setting in EtherNet/IP module
Target/Originator
Originator
Target
b15
12288 to 16383 : Start address of send data
Un\G26624
FFFF : No send data assigned,
H
or send data assigned to
Extension Class3/UCMM
Output Area
3.3 Buffer Memory
1
2
3
Read/Write
Read
Write
b0
4
5
6
Read/Write
Write
Read
7
b0
8
3
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