Receive Procedure - Mitsubishi MELSEC L Series User Manual

11.2.3 Receive procedure

Procedure
(When the CH1 side interface of the Q series C24 receives data)
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The following shows the receive procedure when a message, including data with the
same arrangement as the specified user frame, is received and the arbitrary data is
read to the programmable controller CPU.
1 See Sections 11.2.1 and 11.2.2 regarding the reading of reception data using a
user frame and the timing of reception data reading to the programmable
controller CPU.
2 Sets the receive user frame registration No., etc. in the "non procedure system
setting" screen for GX Configurator-SC.
During debugging, the initial setting value for data reception shall be set prior to
data receiving, but after debugging is completed, it shall be set when the Q
series C24 starts up. (See Section 11.2.4.)
3 Reading (1) below) for checking which user frame was received by the Q series
C24 from the programmable controller CPU and reading of the receive data (2)
below).
1) Reads which of the user frames set in the receiver user frame designation
area was received from the receive user frame storage area (address:
25B ).
H
2) Reads the arbitrary data area of the receive message from the receive area
(default addresses: 600
11 DATA COMMUNICATIONS USING USER FRAMES
to 7FF ).
H H
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