Mitsubishi Electric MELSEC iQ-R Series User Manual page 391

Stop monitoring
Monitoring stops when any of the following conditions is satisfied.
• For monitor stop by user instructions
Monitoring stops when "0000H" is written in the send/receive data monitoring designation area of the buffer memory. (Set
by user)
• For monitor stop by the system when the monitor data area is full.
The stop at buffer full specification (bit 0) of the monitor option specification area of the buffer memory is set to "ON".
When the monitor data area is full (monitor buffer size), monitoring is automatically stopped and "1002H" is written in the
send/receive data monitoring designation area. (Set by C24)
• For monitor stop by the system when the timer 0 error occurs
The 0 timer error outbreak stop designation (bit 2) of the monitor option specification area of the buffer memory is set to
"ON".
When the timer 0 error (error code 7F40H) occurs, monitoring is automatically stopped and "1002H" is written in the send/
receive data monitoring designation area. (Set by C24)
Part of the data immediately after the occurrence of a timer 0 error may be entered in the monitor data area.
20 USING SEND/RECEIVE DATA MONITORING FUNCTION
20.1 Send/receive Data Monitoring Function
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