80209C_MHW_850-1650-1850_01-2020_ENG_pag. 200
Symmetrical deviation alarm
tempo
Symmetrical deviation alarm
SP+AL1
SP -AL1
SP
Hyst1
Hyst1
inverse
direct
A single alarm setpoint AL1 and a single hysteresis value
Hyst1 are set.
When a direct alarm is set, the alarm trips when the measured
value is less than SP - AL1 or greater than SP + AL1.
When an inverse alarm is set, the alarm trips when the
measured value is between SP - AL1 and SP + AL2
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