User`s manual

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CHAPTER 16 USING COMMUNICATION DATA MONITORING FUNCTION
16
16.1 Communication Data Monitoring Function
(3) Monitor stop
Monitoring stops if any of the following conditions is satisfied.
(a) Monitor stop by user instructions
Monitoring stops if "0000H" is written in the communication data monitoring specification area of the buffer
memory. (Set by the user)
(b) Monitor stop by the system when the monitor data area is full
• The full stop 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 communication data monitoring specification area. (Set by the Q series C24)
(c) Monitor stop by the system when the timer 0 error occurs
• The timer 0 error stop specification (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 communication data monitoring specification area. (Set by the Q series C24)
*1
*1 Part of the data immediately after the occurrence of a timer 0 error may be entered in the monitor data area.