Configuring In "Hysteresis" Mode; Configuring In "Window" Mode - Burkert 8619 Operating Instructions Manual

Type 8619
Parameters menu
9.21.2

Configuring in "Hysteresis" mode

The output status changes when a threshold is reached:
• by increasing process input value, the output status changes when the high threshold is reached.
• by decreasing process input value, the output status changes when the low threshold is reached.
Not inverted
Contact
ON
Process input
OFF
Low High
(PV)
Fig. 86: Hysteresis mode
PV: Choose the process input associated with the "System switch" event.
LOW: Choose the value of the low switching threshold.
HIGH: Choose the value of the high switching threshold.
INVERT: Invert the event or not.
DELAY: Choose the value of the time-out before switching. This is valid for both thresholds, "Low" and
"High". Switching is only done if one of the thresholds, high or low, is exceeded for a duration longer than
this time-out.
9.21.3

Configuring in "Window" mode

The output status changes as soon as any threshold (low or high) is reached.
Not inverted
Contact
ON
Process input
OFF
Low High
(PV)
Fig. 87: Window mode
PV: Choose the process input associated with the "System switch" event.
LOW: Choose the value of the low switching threshold.
HIGH: Choose the value of the high switching threshold.
INVERT: Invert the event or not.
DELAY: Choose the value of the time-out before switching. This is valid for both thresholds, "Low" and
"High". Switching is only done if one of the thresholds, high or low, is exceeded for a duration longer than
this time-out.
Inverted
Contact
ON
Process input
OFF
Low High
(PV)
Inverted
Contact
ON
Process input
OFF
Low High
(PV)
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