Universal Current Connection With Relay Output (Electronic Insert Fel64) - Endress+Hauser Liquiphant FTL64 Operating Instructions Manual

Liquiphant FTL64
Endress+Hauser
Behavior of switch output and signaling
MAX
MIN
 21 Behavior of switch output and signaling, electronic insert FEL62
MAX DIP switch for setting MAX safety mode
MIN DIP switch for setting MIN safety mode
RD LED red for warning or alarm
YE LED yellow, switch status
GN LED green, operational status, device on
I Load current switched through
L
6.2.3 Universal current connection with relay output (electronic
insert FEL64)
• Switches the loads via 2 potential-free changeover contacts
• Two galvanically isolated change-over contacts (DPDT), both change-over contacts
switch simultaneously
• 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.
WARNING
L
An error at the electronic insert can cause the permitted temperature for touch-safe
surfaces to be exceeded. This presents a risk of burns.
‣
Do not touch the electronics in the event of an error!
Supply voltage
U = 19 to 253 V , 50 Hz/60 Hz/19 to 55 V
AC
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 phase (not the neutral conductor) of the supply circuit.
Power consumption
S < 25 VA, P < 1.3 W
Connectable load
Loads switched via 2 potential-free changeover contacts (DPDT)
• I ≤ 6 A (Ex de 4 A), U~ ≤ AC 253 V; P~ ≤ 1 500 VA, cos φ = 1, P~ ≤ 750 VA, cos φ > 0.7
AC
• I ≤ 6 A (Ex de 4 A) to DC 30 V, I DC ≤ 0.2 A to 125 V
DC
RD YE GN
L+ 1
<100 µA
L+ 1
L+ 1
<100 µA
L+ 1
<100 µA
L+ 1
DC
Electrical connection
I
L
(L–)
3
ΔU
K
(L–)
3
K
I
L
3 (L–)
ΔU K
3 (L–)
K
(L–)
3
K
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