Liquiphant M FTL50(H), FTL51(H)
8 Endress+Hauser
Electronic insert FEL52 (DC PNP)
Power supply Supply voltage: 10…55 V DC
Ripple: max. 1.7 V, 0…400 Hz
Current consumption: max. 15 mA
Power consumption: max. 0.83 W
Reverse polarity protection
Overvoltage protection FEL52: overvoltage category III
Electrical connection Three-wire DC connection
Output signal
Signal on alarm Output signal on power failure or in the event of damaged sensor: < 100 μA
Connectable load • Load switched via the transistor and separate PNP connection, max. 55 V DC
• Load current max. 350 mA (pulsed overload and short-circuit protection)
• Residual current < 100 μA (with transistor blocked)
• Capacitive load max. 0.5 μF at 55 V, max. 1.0 μF at 24 V
• Residual voltage < 3 V (with transistor switched through)
Preferably used with programmable
logic controllers (PLC).
DI module as per EN 61131-2.
Positive signal at switching output of
the electronics (PNP);
Output blocked on reaching limit.
L00-FTL5xxxx-04-05-xx-en-001
12 3
(+)
FEL52
L+
L–
–
0.5 A
U– 10…55 V DC
...
e.g.
Relay
PLC
Safety mode Level Output signal LEDs
green red
I
L
< 100 μA
L00-FTL2xxxx-07-05-
xx-xx-000
= load current
(switched through)
= residual current
(blocked)
= lit
= unlit
L00-FTL5xxxx-04-05-xx-xx-004
Max.
Min.
L+ +
13
L+ +
13
13
13
I
L
I
L
< 100 µA
< 100 µA