Mitsubishi Electric MELSEC Q Series User Manual page 57

3 SPECIFICATIONS
Process value (PV)
Alert set value
Temperature
set value (SV)
Alert status
3 - 19
Downloaded from ManualsNet.com
2) Lower limit deviation alert
When the deviation [process value (PV) - set value (SV)] is equal to or less
than the alert set value, the system is put in an alert status.
The setting range is full-scale.
[When alert set value is positive]
Process value (PV)
3) Upper/lower limit deviation alert
When the absolute value of deviation [process value (PV) - set value (SV)]
is equal to or greater than the alert set value, the system is put in an alert
status.
The setting range is 0 to + full-scale.
Process value (PV)
Alert set value
Temperature
set value (SV)
Alert set value
Alert status
4) Within-range alert
When the absolute value of deviation [process value (PV) - set value (SV)]
is equal to or less than the alert set value, the system is put in an alert
status.
The setting range is 0 to + full-scale.
Process value (PV)
Alert set value
Temperature
set value (SV)
Alert set value
Alert status
search engine
[When alert set value is negative]
Process value (PV)
Temperature
set value (SV)
Alert set value
Time
Alert status
Process value (PV)
Process value (PV)
MELSEC-Q
Process value (PV)
Non-alert status Alert status
Time Non-alert status
Alert status
Non-alert status
Time
Alert status
3 - 19
Time