Mitsubishi Programmable Controllers FX-232ADP Manual de usuario Pagina 136

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FX communication
FX
2N
-232IF 10
10-16
10.3 Hardware Hand Shake Operation
10.3.1 No Hardware Hand Shake
Setting BFM#0 (b9, b8)=(0, 0)
*1 Turn off using a program. When it is turned ON, the next data cannot be sent.
*2 Time set by BFM#20 (x10ms).
*3 Turn it off using a program. When it is turned ON, the next data cannot be sent.
*4 After receive is completed and the data is read, turn off the receive completion flag (BFM #28
b1) using a receive completion reset command (BFM #1 b2).
Send/receive
enable
(BFM#1 b0)
Send
command
(BFM#1 b1)
Send data
SD(TXD)
Send
completion
(BFM#28 b0)
Receive data
RD(RXD)
Receive
completion
(BFM#28 b1)
Receive
completion reset
command
(BFM#1 b2)
Data 1
Data 4
BFM#20
X10ms
BFM#20
X10ms
*1
OFF
OFF
OFF
OFF
OFF
The receive wait
stafus is started.
Data 2
ON
ON
Data 3
ON
ON
ON
*1
*2
*2
*3
*4
*4
*3
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