Mitsubishi Electric MELSEC iQ-R Series User Manual page 76

Precautions
If the recording function continues running without changing a recording setting after changing a program and data is
reproduced on the offline monitor after saving the data, the reproduced values of devices and labels may not be displayed
properly.
With changing parameters
The following shows the procedure after changing the buffer area setting for data sampling or the recording buffer setting.
1.
Switch a CPU module to the STOP/PAUSE state.
2.
Check that 'Stopped' is displayed for all recording settings.
3.
Write the CPU parameters, module parameters, programs, and all recording settings to the CPU module.
4.
Reset the CPU module or turn the power OFF and ON.
5.
Switch the CPU module to the RUN state.
1 FUNCTIONS
74
1.1 Recording Function