Human Interface; Operating Elements; Display Elements - Endress+Hauser Liquipoint T Series Technical Information

Operating elements

Display elements

22

Human interface

FEW 52, FEW 54, FEW 58
One DIL switch for min/max position
One DIL switch for 0 s or 2 s switching delay
Two DIL switches for setting the measuring ranges 100 Ω, 1 kΩ, 10 kΩ, 100 kΩ
Separate-instrument version
Dependent on the connected switching unit (e.g. FTW 325 or FTW 470 Z)
Compact-instrument version
FEW 52
One red light emitting diode: fault message, switching status
One green light emitting diode: operation
FEW52
U 10,8...45V DC
I max : 200mA
1
-
+
3
1
3
1 2 3
FEW 54
One red light emitting diode: fault message, switching status
One green light emitting diode: operation
FEW54
20... 55V DC
20... 253V AC
L1 N
1 2
3 4 5 6 7 8
FEW 58
One yellow light emitting diode: fault message, switching status
One green light emitting diode: operation
FEW58
Namur
IEC 60947-5-6
- + I < 1,0mA
I > 2,1mA
1 2
100Ω
1kΩ
10kΩ
100kΩ
2s
MAX
0s
MIN
3 5 6 8
4 7
100Ω
1kΩ
10kΩ
100kΩ
MAX 2s
MIN 0s
Liquipoint T FTW 31, FTW 32
L00-FTW3xxxx-07-05-xx-xx-001
L00-FTW3xxxx-07-05-xx-xx-002
L00-FTW3xxxx-07-05-xx-xx-003
Endress + Hauser