Mitsubishi Electric FX3U-ENET User Manual page 75

5 COMMUNICATION PROCEDURE
The following communication can be performed with an open device on other end.
• Communication using MC protocol
• Sending/receiving in fixed buffer communication (procedure exists)
When receiving communication request data from an external device
PLC
Receive completion signal
Receive data acquisition
processing
* For receiving when the
Receive data normal
communication is open
completion BFM operation
Device memory, etc.
Data
5 - 2
NOTE
Ethernet module
Fixed buffer communication
Store data
(Procedure exists)
received
(communication)
Communication using
the MC protocol
(read/write)
(Subheader code)
60
H
Request from an external
E0
H
device (receive)
OS
Confirm the
request contents
with the
subheader.
Head
00 to 05
H
Response to the request (send)
13 to 16
H
80 to 85
H
93 to 96
H
MELSEC-F
Header
Header
Head
5 - 2
5