Hi Hi Lim - This field displays the maximum value of the PV in engineering units before the high high limit active bit (HI_HI_ACT) is set. Click this field to enter a new limit.
Hi Lim - This field displays the maximum value of the PV in engineering units before the high limit active bit (HI_ACT) is set. Click this field to enter a new limit.
Dev Hi Lim - This field displays the maximum positive deviation of the PV from SP in engineering units before the high deviation limit active bit (DV_HI_ACT) is set. Click this field to enter a new limit.
Dev Lo Lim - This field displays the maximum negative deviation of the PV from SP in engineering units before the low deviation limit active bit (DV_LO_ACT) is set. Click this field to enter a new limit.
Lo Lim - This field displays the minimum value of the PV in engineering units before the low limit active bit (LO_ACT) is set. Click this field to enter a new limit.
Lo Lo Lim - This field displays the minimum value of the PV in engineering units before the low low limit active bit (LO_LO_ACT) is set. Click this field to enter a new limit.
Alm Hysteresis - This field displays the alarm hysteresis (or deadband) value for the loop alarms in % of PV Scale. Click this field to enter a new value. An alarm does not recur until the PV has backed away from the corresponding limit by at least the % of PV Scale specified by this value.