Endress+Hauser Liquiphant M FTL50H - Output Signal; Signal on Alarm; Connectable Load

Liquiphant M FTL50(H), FTL51(H)
Endress+Hauser 17
Switching behaviour of the connected device:
Please note this switching response and function of the plant, especially when replacing a Liquiphant with an
EL17Z or FEL37 electronic insert by a Liquiphant M with the FEL57 electronic insert.
Output signal
Signal on alarm Output signal on power failure or in the event of damaged sensor: 0 Hz
Connectable load • Floating relay contacts in the connected switching unit Nivotester FTL320, FTL325P, FTL370, FTL372,
FTL375P or Commutec SIF101, SIF111
• For contact load see the Technical Data of the switching unit
L00-FTL5xxxx-05-05-xx-en-000
* De-energised on power supply failure
Fail-safe mode
set at
switching unit
Max.
Max.
Max.
Max.
Min.
Min.
Min.
Min.
Setting
at FEL57
STD
EXT
STD
EXT
STD
EXT
STD
EXT
Fork
free
free
covered
covered
free
free
covered
covered
Switching status of relay in switching unit
on = energised off = de-energised
Test start End of test start
(power off) (power on)
>3s
on
on
off
off
off
off
on
on
off
off
off
off
~3son
~3son
~3son
~3son
~5soff
~5soff
off
off
~5soff
~7soff
~5soff
~5soff
~2son
~2son
~3son
on
~35son
~3soff
~2soff
~35soff
off
~30son
on
on
on
off
*
*
*
*
Safety mode Level Output signal
(PFM)
LEDs
green yellow
L00-FTL2xxxx-07-05-
xx-xx-000
= lit
= unlit
L00-FTL5xxxx-04-05-xx-xx-008
150 Hz
50 Hz