Liquiphant FTL64
Endress+Hauser 9
3-wire DC-PNP (electronic insert FEL62)
• Three-wire DC version
• Preferably in conjunction with programmable logic controllers (PLC), DI modules as per
EN 61131-2. Positive signal at switch output of electronics module (PNP)
• Functional testing without level change
A functional test can be performed on the device using the test button on the electronic insert or
using the test magnet (can be ordered as an option) with the housing closed.
Supply voltage
L
WARNING
Failure to use the prescribed power unit.
Risk of potentially life-threatening electric shock!
‣
The FEL62 may only be powered by devices with safe galvanic isolation, as per IEC 61010-1.
U = 10 to 55 V
DC
Observe the following as per IEC/EN61010-1: Provide a suitable circuit breaker for the device,
and limit the current to 500 mA, e. g. by installing a 0.5 A fuse (slow-blow) in the supply
circuit.
Power consumption
P ≤ 0.5 W
Current consumption
I ≤ 10 mA (without load)
The red LED flashes in the event of an overload or short-circuit.
Load current
I ≤ 350 mA with overload and short-circuit protection
Capacitance load
C ≤ 0.5 µF at 55 V, C ≤ 1.0 µF at 24 V
Residual current
I < 100 µA (for blocked transistor)
Residual voltage
U < 3 V (for switched through transistor)
Behavior of output signal
• OK status: switched through
• Demand mode: blocked
• Alarm: blocked
Terminal assignment
!
U = 10...55 V DC
I max: 350 mA
1
3
L-L+
COM
MIN
MAX
>0,7
>0,5
1
3
0.5 A
L+ L-
I 350 mA
U 55 V
max
max
K
K
I
L
PE
4
3
1
2
1
3
4
M12
1 2 3
B
A
L+ L-
K
A0036061
5 3-wire DC-PNP, electronic insert FEL62
A Connection wiring with terminals
B Connection wiring with M12 plug in housing as per EN61131-2 standard
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