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Mitsubishi Electric FX5 User Manual page 70

Melsec iq-f series, ethernet communication
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■If a cancel request is issued upon completion of transmission
The following figure shows the operation when transmission has been completed while the protocol execution status is "2: Sending".
SP.ECPRTCL instruction
Completion device (d)
Completion status
indication device (d)+1
Protocol cancellation
(for the connection number
specified by (s1))
Send or receive data
External device
■If a cancel request is issued while waiting for reception
The following figure shows the operation when the protocol execution status is "3: Waiting for data reception".
SP.ECPRTCL instruction
Completion device (d)
Completion status
indication device (d)+1
Protocol cancellation
(for the connection number
specified by (s1))
Send or receive data
External device
6 PREDEFINED PROTOCOL SUPPORT FUNCTION
68
6.6 Predefined Protocol Support Function Instruction
OFF
OFF
Standby time
Send packet
Send packet
OFF
OFF
1: Cancellation requested
t: Receive wait time or destination
existence confirmation time
1:
Cancellation
requested
The CPU module will
no longer receive data
nor execute protocols.
ON
OFF
ON
Completed with an error
OFF
2: Cancellation completed
The CPU module will
no longer execute protocols.
The processing
stops.
ON
OFF
Completed with
ON
an error
OFF
2:
Cancellation
completed

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