1114
8 BUILT-IN ETHERNET FUNCTION INSTRUCTIONS
8.3 Predefined Protocol Support Function Instruction
• If a cancel request is issued before completion of transmission
The following figure shows the operation when transmission has not been completed while the protocol execution status is "2: Sending".
• 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".
OFF
OFF
OFF
OFF
ON
ON
The Ethernet module will no
longer receive data nor
execute protocols.
1: Cancellation requested
2: Cancellation completed
Protocol cancellation
(for the connection number
specified by (s1))
The processing
stops.
CPU module
External device
SP.ECPRTCL instruction
CPU module
Completion device (d)
Send packet
Send packet
Completion status
indication device (d)+1
Completed with an error
Standby time
The Ethernet module finishes
sending the packet currently
being sent.
OFF
OFF
OFF
OFF
ON
ON
The Ethernet module will
no longer receive data
nor execute protocols.
1:
Cancellation
requested
2:
Cancellation
completed
Protocol cancellation
(for the connection number
specified by (s1))
The processing
stops.
CPU module
External device
SP.ECPRTCL instruction
CPU module
Completion device (d)
Send packet
Send packet
Completion status
indication device (d)+1
Completed with
an error
Standby time
Summary of Contents for MELSEC iQ-R Series
Page 1: ...MELSEC iQ R Programming Manual Instructions Standard Functions Function Blocks ...
Page 2: ......
Page 24: ...22 INDEX 2092 INSTRUCTION INDEX 2093 REVISIONS 2104 WARRANTY 2105 TRADEMARKS 2106 ...
Page 34: ...32 MEMO ...
Page 35: ...33 PART 1 PART 1 OVERVIEW This part consists of the following chapter 1 OVERVIEW ...
Page 68: ...66 1 OVERVIEW 1 5 Precautions on Programming MEMO ...
Page 1448: ...1446 14 REDUNDANT SYSTEM INSTRUCTIONS 14 2 Disabling Enabling System Switching MEMO ...
Page 1972: ...1970 33 TIME DATA TYPE FUNCTIONS 33 4 Division MEMO ...
Page 2067: ...APPX Appendix 5 PID Control Program Examples 2065 A 252 Set PID control data for loop 2 ...
Page 2109: ......