6 possible switching modes of the 8039, English – Burkert Type S039 User Manual
Page 21
8039
21
ENGLISH
ENGLISH
2 s
OHI
OLO
2 s
2 s
DEL = 0 s
DEL = 2 s
DEL = 0 s
DEL = 2 s
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
OUT
t
window mode
The change of state occurs when any thres-
hold is detected.
the delay (del) is set for the both swit-
ching thresholds. the switching only occurs
when either threshold value (ohi - olo) is
exceeded for a duration higher than the del
delay.
.6 possible switching modes of the 8039
hysteresis mode
The change of state occurs when a threshold is detected
(increasing flow rate: high threshold (OHI) to be detected,
decreasing flow rate: low threshold (OLO) to be detected).
switching examples of the 8039 depending on the
flow rate and the switching mode chosen
hysteresis mode
window mode
Not inverted
Not inverted
Inverted
Inverted
Not inverted
Not inverted
Inverted
Inverted
Not inverted
Not inverted
Inverted
Inverted
Flow rate
Time
ON
OFF
OLO OHI
ON
OFF
OLO OHI
ON
OFF
OLO OHI
ON
OFF
OLO OHI
Contact
Contact
Flow rate
Flow rate
Contact
Contact
Flow rate
Flow rate