Mitsubishi Electric FX5 User Manual page 196

Stored value Protocol execution status
4 Receiving
5 Completed
■Changed event
No. Protocol execution status
1 Power is turned OFFON or
system is reset
2 Protocol execution request
3 Data transmission start
4 Send completed
5 Data reception
6 Verification match
7 Verification mismatch
8 Protocol cancel request
9 Error occurred
Information to judge whether the predefined protocol can be executed or not
Whether the predefined protocol can be executed or not can be judged with the value set in predefined protocol ready
(SD9102).
• SD9102 = 0: The protocol cannot be executed because the protocol setting has an error.
• SD9102 = 1: The protocol can be executed because the protocol setting is correct.
The judgment timing is as follows.
Predefined protocol setting
Operation of the module that
uses the protocol setting
Written communication
protocol setting
Communication protocol
setting reflected to the module
Communication protocol ready
SD9102
*1 When protocol setting is not written in, it is 0 (error).
6 PREDEFINED PROTOCOL SUPPORT FUNCTION
194
6.8 Programming
Description
Data was received from the counterpart device and the receive processing is being executed. Any of
the following processing is included in this status.
• Data verification processing
• General data processing of when a CPU device is specified as a variable
The execution of a protocol has been completed.
Description
Power supply ON or system is reset.
A protocol was executed with the S(P).CPRTCL instruction, or the next protocol was executed during
executions of multiple protocols.
Started the transmission of data.
Sending is completed.
Received data.
The verification result of the received data and the packet (expected packet) is "matched".
The verification result of the received data and the packet (expected packet) is "mismatched".
The protocol cancel request was accepted and the execution of a protocol was canceled.
An error occurred.
Start writing
Writing process
Predefined protocol
setting (old)
Predefined protocol setting
(old)
1 (normal)/0 (abnormal)
Check of the existing protocol setting
Power is turned OFFON
System reset
Check process
Predefined protocol setting
(new)
*1
Predefined protocol
setting (new)
1 (normal)/0 (abnormal)
Check result