2.7 Communications with a Mitsubishi PLC (QnA-compatible 3E Frame Protocol)
Message Functions
2-161
• Execution When an Error Occurs
MSG-SNDE Function Parameters
The following table describes the contents of the addresses specified by the PARAM input parameter to
the MSG-SNDE function.
No. I/O Meaning Description
Status
00
Outputs
Processing Result Gives the processing status.
01 Status Gives the status of the current function.
02
Detail Error Code, Lower Word
Gives the details of an error.
03
Detail Error Code, Upper Word
04 Status 1 Gives the communications status.
05 Status 2 Gives status information on the most recent error.
06 Status 3 Gives the value of the send pass counter.
07 Status 4 Gives the value of the receive pass counter.
08 Status 5 Gives the value of the error counter.
09 Status 6 Reserved for system.
Continued on next page.
t
Input: Execute
Input: Abort
Output: Busy
Output: Complete
Output: Error
To send another message, turn
OFF the Execute Bit for at least
one scan after the error occurs.
1 scan
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