Endress+Hauser Flowphant T DTT31 - Service and Function Settings

Operating options Flowphant T DTT31, DTT35
28 Endress+Hauser
Function group Function Settings Description
Factory setting: °C
FUNC Switching
characteristics
HYNC
HYNO
HYNC: hysteresis/NC contact
HYNO: hysteresis/NO contact
→  26
Factory setting: HYNO
SP Value switch
point
0,0 Enter value 5 to 100% in increments of 1 %.
Factory setting: 50%
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
SPL Switch point
'Learn'
RUN
WAIT
RUN, WAIT: Take the current flow rate as the
switch point SP. See 'Navigating the Learn
function'→  11,  20.
RSP Switchback point
value
0,0 Enter value 0 to 95% in increments of 1 %.

Value must be at least 5 % less than
switch point SP.
Factory setting: 40 %
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.

Value must be at least 5 °C (9 °F) less
than switch point SP2.
Factory setting: 50 °C
TSP Switch point
delay
0,0 Can be configured from
0 to 99 s in increments of 1 s, as required
Factory setting: 0 s
TRSP Switchback point
delay
0,0 Can be configured from
0 to 99 s in increments of 1 s, as required
Factory setting: 0 s
6.2.10 Setting the service functions
Function group Function Settings Description
SERV
Service functions
LOCK Locking code 0 Enter the device locking code.
Code Change locking
code
0 User-defined numerical code 1 to 9 999
0= no locking
Only visible if the locking code is valid.
PRES Reset NO
YES
Reset all entries to the delivery settings.