Input Area - Mitsubishi Electric MELSEC Q Series User Manual

3
SPECIFICATIONS
3.3.9

Input Area

Data received by Tag communication are stored in this area.
For details of the timing chart, refer to the following.
Section 3.2.2 (2) Timing chart
(1) Class1 Input Area (Un\G0 to Un\G4095)
The data received in Class1 communication are stored.
The data that Consumer Tag received from Producer Tag are stored.
(a) Storage location for each tag
(b) Data length and storing order
(2) Class3/UCMM Input Area (Un\G4096 to Un\G8191)
Data received in the Class3/UCMM communication are stored.
The storage location and data length are checked or stored in a similar way to the
Class1 Input Area (Un\G0 to Un\G4095).
The start addresses of data storage locations can be checked by either of the
following methods.
1) When checking in Utility Package
Figure 3.11 Checking storage location
2) When checking in the buffer memory
Section 3.3.7 Class1 send/receive data start address
The data length value set in Utility Package is applied. (
Display and settings of the "Producer Tag" window)
Data are stored in ascending order of tag No. (
The following is an example in which data lengths of tag No.1 and tag No.2 are set
to "6" and "2" respectively.
Address
Dec. (Hex.)
Un\G0
Consumer Tag No.1 receive data
Un\G5
Un\G6
Consumer Tag No.2 receive data
Un\G7
Figure 3.12 Assignment example of Class1 input area
Storage location is
displayed per Tag.
Section 7.9.2 (2)
Figure 3.11)
3.3 Buffer Memory
3.3.9 Input Area
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