[DB600] General instruction manual
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SV: Setting value
MV: Output value
AL: Event value
db: Event dead-band
Event output range with "Event standby" set
Normal event output range
Event activation range
Absolute value deviation upper limit alarm
Event output when the difference between a setting value (SV) and measured value (PV) exceeds a
certain value. The difference is set by the event value (AL).
Activation condition
PV > SV + AL
PV < SV - AL
Keep condition
SV + AL
– db ≤ PV ≤ SV + AL
SV
– AL ≤ PV ≤ SV - AL + db
Reset condition
PV < SV + AL - db
PV > SV - AL + db
Absolute value deviation lower limit alarm
Event output when the difference between a setting value (SV) and measured value (PV) falls
below a certain value. The difference is set by the event value (AL).
Activation condition
SV - AL < PV < SV + AL
Keep condition
SV + AL
≤ PV ≤ SV + AL + db
SV - AL - db
≤ PV ≤ SV - AL
Reset condition
PV > SV + AL + db
PV < SV - AL - db
* When PV is out of the event output range on power
ON, the event output is made according to the
activation condition regardless of the standby setting
of event extension function.
Event dead-band (db)
Event dead-band (db)
Event value (AL)
Event value (AL)
Power-ON
Event dead-band (db)
Event value (AL)
Power-ON
Event dead-band (db)
Event value (AL)