Mitsubishi Electric MELSEC-Q00U(J)CPU User Manual page 152

(j) Monitor operation with monitor condition setting
When monitor operation with monitor condition setting is performed, other applications on the same personal
computer cannot execute any online function using the same route for the monitor operation. The following
applications must be noted.
• Programming tool
• Application using MX Component
• MX Sheet
If any online function is executed by other applications using the same route for the monitor operation, the
following situations may occur.
• No response is returned from the CPU module for the online function executed. (An online communication
function time-out occurs.)
• The CPU module detects an error (error code: 4109) for the online function executed.
• Even when the monitor condition is established in the CPU module, monitoring results cannot be updated
for the monitor operation with monitor condition setting.
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