Endress+Hauser Liquiphant M FTL50H - Electronic Insert FEL56 (NAMUR L-H Edge); Connection to NAMUR Amplifiers; Output Signal and Alarm Behavior

Liquiphant M FTL50(H), FTL51(H)
Endress+Hauser 13
Electronic insert FEL56 (NAMUR L-H edge)
Power supply Power consumption: < 6 mW bei I < 1 mA; < 38 mW bei I = 2,2...4 mA
Connection data interface: IEC 60947-5-6
Electrical connection Two-wire connection for separate switching unit
Output signal
Signal on alarm Output signal in the event of damaged sensor: > 2.2 mA
Connectable load • See Technical Data of isolating amplifier connected according to IEC 60947-5-6 (NAMUR)
For connecting to isolating amplifiers
acc. to NAMUR (IEC 60947-5-6),
e.g. FXN421, FXN422, FTL325N,
FTL375N or Commutec SIN100,
SIN110 from Endress+Hauser.
Output signal jump from low
to high current on limit.
(L-H edge)
Connecting to multiplexer:
Set clock time to min. 2 s.
L00-FTL5xxxx-04-05-xx-en-004
12
FEL56
–
EEx ia
H
L
+
E
X
E X
I
Isolating amplifier
to
(NAMUR)
IEC 60947-5-6
Safety mode Level Output signal LEDs
green red
L00-FTL5xxxx-07-05-
xx-xx-002
= lit
= flashes
= unlit
L00-FTL5xxxx-04-05-xx-xx-003
Max.
Min.
+
21
+
21
+
21
+
21
0.6 …
1.0 mA
0.6 …
1.0 mA
2.2 …
2.8 mA
2.2 …
2.8 mA