Mitsubishi Electric QJ71E71-100 User Manual page 147

Confirm the normal completion of the initial process. (Initial normal completion signal (X19): ON)
1
Establish a connection between the E71 and the connected device and confirm the normal completion of the
2
open process of the connection number 1.
Receive data from the connected device.
3
• Fixed buffer reception status signal (address: 5005
Execute the BUFRCV instruction to read the receive data length and receive data from the fixed buffer number 1.
4
• Fixed buffer reception status signal (address: 5005
End the receive process. If the data receive process is abnormally ended, execute the BUFRCV instruction again
5
to repeat the receive process.
● The items configured in the open setting become enabled when Open completion signal of an E71 is started up.
● When the buffer memory area that stores Fixed buffer reception status signal is turned off and on, execute the BUFRCV
instruction.
● When abnormal data is received, Fixed buffer reception status signal does not turn on. In addition, data is not stored in
the fixed buffer number 1 area.
CHAPTER 12 COMMUNICATIONS USING A FIXED BUFFER
(b0)): ON
H
(b0)): OFF
H
12
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