Справочник Пользователя для Mitsubishi Electronics A1SJ61BT11
15 - 5
MELSEC-QnA
15 FUNCTIONS (FUNCTION VERSION B OR LATER)
15.4.2 Asynchronous mode
Performs data link without synchronizing with the sequence program. The operation
overview in the asynchronous mode is shown in Figure 15.2.
overview in the asynchronous mode is shown in Figure 15.2.
1
Sequence scan > link scan
END
END
END
END
Send
LS : Link scan
SM : Sequence scan
No receiving
No
receiving
Send
Send
Send
Output transmission delay (SM + LS 2)
Input transmission delay
(LS 2)
Receive
Receive
Receive
Receive
Receive
Receive
Update data after completing send
2
Sequence scan < link scan
Input transmission delay
(LS 2)
END
END
END
END
END
END
END
END
END
Send
Link scan
Sequence
scan
No re
ceivin
g
Send
Send
Send
Send
Send
Send
Send
Send
Update data after completing send
Output transmission delay (SM + LS 2)
No r
ece
ivin
g
No r
ece
ivin
g
Receive
Receive
Receive
Receive
Receive
Figure 15.2 Operation overview in the asynchronous mode