Mitsubishi Electric MELSEC-Q series User Manual page 34

Item
Set value backup function
Default setting registration function
Offset/gain setting
Error history function
Module error collection function
Error clear function
Online module change
32
Set values in the buffer memory can be backed up into the non-volatile
memory. Since backup data are restored at the next start-up, programs for
initial settings are not required after the set value backup function was
executed.
Values in the buffer memory can be changed back to the default.
A slope of I/O conversion characteristics can be changed.
Errors and alarms occurred in the CT input module are stored up to the
latest 16 records in the buffer memory.
Errors and alarms occurred in the CT input module can be collected into
the CPU module.
When an error occurs, the error can be cleared on the system monitor.
A module can be replaced without stopping the system.
Description Reference
Page 70,
Section 4.13
Page 71,
Section 4.14
Page 148,
Section 8.5
Page 72,
Section 4.15
Page 75,
Section 4.16
Page 76,
Section 4.17
Page 180,
CHAPTER 10