Endress+Hauser Liquiphant FTL51B - Page 18

Electrical connection Liquiphant FTL51B
18 Endress+Hauser
Current consumption
Residual current when blocked: I ≤ 3.8 mA
The red LED flashes in the event of an overload or short-circuit. Check for an overload or
short-circuit every 5 seconds. The test is deactivated after 60 seconds.
Power output and load current
• Max 89 VA/253 V (350 mA); max 8.4 VA/24 V (350 mA)
• Min 2.5 VA/253 V (10 mA); min ≥ 0.5 VA/24 V (20 mA)
• With overload and short-circuit protection.
Behavior of output signal
• OK status: load on (switched through)
• Demand mode: load off (blocked)
• Alarm: load off (blocked)
Terminal assignment
Always connect an external load. The electronic insert has integrated short-circuit
protection.
!
>0,5
COM
NL1
1
2
MIN
MAX
>0,7
U 19...253 V AC
I max: 350 mA
~
~
1 A
L1 NPE
K
1 2
A0036060
 19 2-wire AC, electronic insert FEL61