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MELSEC-F
COMMUNICATION PROCEDURE5
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5.7.2 Example of pairing open settings
This section explains the settings in order to communicate in the pairing open method
by giving an example.
• Connection No. 1 and 2 are used.
(When connection No. 1 is specified at pairing open settings, connection No. 2 is
automatically used as pairing.
Therefore, connection No. 8 cannot be specified as pairing.)
(1) Fixed buffer (BFM#32 b0)
In the open pairing, the applicable connection No. and the subsequent
connection No. are paired. Set the applicable connection No. to "Receive" and
the next connection number to "Send".
(2) Existence confirmation (BFM#32 b1)
If existence confirmation is going to be executed, set the receiving connection to
"Confirm" and the sending connection to "No confirm".
If existence confirmation is not going to be executed, select "No confirm" for both.
(3) Pairing open (BFM#32 b7)
Set the receiving connection to "Pairs" and the sending connection to "No pairs".
(4) Protocol (BFM#32 b8)
Both "TCP/IP" and "UDP/IP" are allowed.
(5) Fixed buffer communication (BFM#32 b9, b10)
Both "Procedure exist" and "No procedure" can be selected.
(6) Open system (BFM#32 b14, b15)
All the open systems - "Active", "Unpassive", and "Fullpassive" - can be set.
[BFM#32 Connection usage setting area]
b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
(1) Fixed buffer
(2) Existence confirmation
(3) Pairing open
(4) Protocol
(5) Fixed buffer communication
(6) Open system