Mitsubishi Electric MELSEC iQ-R Series User Manual page 86

Setting method
Configure the setting as follows:
[Navigation window]  [Parameter]  Target module  [Application Setting]  [Rate alarm]
■Precautions
When the resolution is 1, the temperature process value (PV) of the temperature control module is the actual temperature that
was rounded off. The temperature process value (PV), the actual temperature that was rounded off, is also used for the
judgment of the occurrence of a rate alarm.
Ex.
A setting example of the rate alarm upper limit value and the rate alarm lower limit value to monitor that the temperature
process value (PV) is rising within a specified range
Change of
temperature
process value
(PV) ( )
20.0
10.0
0
Ex.
A setting example of the rate alarm upper limit value and the rate alarm lower limit value to monitor that the temperature
process value (PV) is falling within a specified range
Change of
temperature
process value
(PV) ( )
0
-10.0
-20.0
1 FUNCTIONS
84
1.26 Rate Alarm Function
Rate alarm upper limit value
Rate alarm lower limit value
Rate alarm upper limit value
Rate alarm lower limit value
Time
Time