Endress+Hauser Flowphant T DTT31 Operating Instructions Manual page 17

DTT31, DTT35
Function Function
group
/
continued
Endress+Hauser
Set-
tings
Switching
character-
istics
Switch
point value
Switch
point
'Learn'
Switch-
back point
value
Switch
point delay
Description
HYNC: hysteresis/NC contact
HYNO: hysteresis/NO contact
(→ Fig. 14)
Factory setting: HYNO
• Enter value 5 to 100% in increments of 1%.
Factory setting: 50%
Or optionally for SP2:
• Enter value -15 to 85 °C (-5 to 185 °F) in
increments of
1 °C (1 °F) if the switching mode MODE is set
to temperature TEMP.
Factory setting: 55 °C
RUN, WAIT: take the current flow rate as the
switch point SP or SP2. See 'Navigating the Learn
function' (→ Fig. 11).
• Enter value 0 to 95% in increments of 1%.
Factory setting: 40%
!
Note!
The value has to be at least 5% smaller than the
switch point (SP or SP2).
Or optionally for RSP2:
• Enter value -20 to 80 °C (-4 to 176 °F) in
increments of
1 °C (1 °F) if the switching mode MODE is set
to temperature TEMP.
Factory setting: 50 °C
!
Note!
Value has to be at least 5 °C (9 °F) smaller than
switch point 2 (SP2).
Can be set anywhere between 0 and 99 s in
increments of 1 second.
Factory setting: 0 s
Operation
17