8 BUILT-IN ETHERNET FUNCTION INSTRUCTIONS
8.3 Predefined Protocol Support Function Instruction
1115
8
• 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".
• If a cancel request is issued during receiving
The following figure shows the operation when the protocol execution status is "4: Receiving".
OFF
OFF
ON
ON
OFF
OFF
The Ethernet module will
no longer execute protocols.
1: Cancellation requested 2: Cancellation completed
Protocol cancellation
(for the connection number
specified by (s1))
CPU module
External device
SP.ECPRTCL instruction
CPU module
Completion device (d)
Completion status
indication device (d)+1
Completed with an error
t: Receive wait time or destination
existence confirmation time
The processing
stops.
OFF
OFF
ON
ON
OFF
OFF
The Ethernet module will
no longer execute protocols.
1: Cancellation requested 2: Cancellation completed
Protocol cancellation
(for the connection number
specified by (s1))
CPU module
External device
SP.ECPRTCL instruction
CPU module
Completion device (d)
Completion status
indication device (d)+1
Completed with an error
t: Receive wait time or destination
existence confirmation time
The processing
stops.
The Ethernet module stops the
processing including the verification
and general data processing, and
forcibly terminates the execution of
the instruction.
Receiving data
Receive data
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