Point level switch8 mA or 16 mA
Electronic insertFEI55
Transmitter power supply unitRMA42
Rope lengthmax. 19.7 m (65 ft)
Cable length≤ 6 m (20 ")
Minimum bending radiusr ≥ 100 mm (3.94 in)
Diameter10.5 mm (0.14 in)
Ambient temperature range• F16 housing: –40 to +70 °C (–40 to +158 °F)
• rema
Storage temperature–50 to +85 °C (–58 to +185 °F)
Climate classDIN EN 60068-2-38/IEC 68-2-38: Z/AD check
Vibration resistanceDIN EN 60068-2-64/IEC 68-2-64: 20 to 2 000 Hz, 0.01 g2/Hz
Degree of protection• IP66
• IP67
• Type4X
Shock resistanceDIN EN 60068-2-27/IEC 68-2-27: 30 g acceleration
Process pressure limits–1 to 25 bar (–14.5 to 362.5 psi)
Temperature-derating separate housing70 °C (158 °F)
H266 mm (2.60 in)
H325 mm (0.98 in)
Total length (L)700 to 20 000 mm (27.6 to 787 in)
Active rope length (L1)500 to 19 800 mm (19.7 to 780 in)
Length of partial insulation (L2)30
Inactive length (L3)200 to 2 000 mm
Inactive length diameter43 mm
Tensioning weight diameter30 mm
Length of tensioning weight (LW)150 mm
Tensile loading capacity of the probe rope at 20 °C300 Nm
Maximum process temperature180 °C
Probe rope diameter with insulation12 mm
Weightapproximately 4.00 kg (8.82 lb)
Supply voltage19 to 253 VAC, 50 to 60 Hz
Power consumption< 1.5 W
Residual current consumption< 3.8 mA
Connectable load > 2.5 VA253 VAC
Connectable load > 0.5 VA24 VAC
Connectable load < 89 VA253 VAC
Connectable load < 8.4 VA24 VAC
Voltage drop across FEI51maximum 12 V
Separation voltage3.7 kV
Fuse0.5 A
External loadI max =350 mA U max = 55 VDC
Cable entryM20x1.5 for Ex d only
Connection compartmentPolyester housing F16
Connectable loadFor relays with a minimum holding power or rated power: > 2.5 VA at 253 VAC (10
For relays with a maximum holding power or rated power< 89 VA at 253 VAC, < 8.4 VA at 24 VAC
Residual current with blocked thyristormaximum 3.8 mA
Ripplemaximum 1.7 V, 0 to 400 Hz
Current consumption< 20 mA
Power consumption without loadmaximum 0.9 W
Power consumption with a full load (350 mA)1.6 W
Signal on alarmIR < 100 µA
Load currentmaximum 350 mA cyclical overload and short-circuit protection
Residual current< 100 µA with transistor blocked
Capacitance loadmaximum 0.5 µF at 55 V, maximum 1 µF at 24 V
Connectable load (AC)Umax = 253 VAC
Connectable load (DC)Imax = 6 A at 30 VDC
Maximum voltage300 V
Output signal on power failure or device failure< 3.6 mA
Umax11 to 36 VDC for non-hazardous area and Ex ia, 14.4 to 30 VDC for Ex d
Imax16 mA
Prozessdruckgrenzen–1 … 25 bar (–14,5 … 362,5 psi)
Temperatur-Derating Separatgehäuse70 °C (158 °F)
Pmax25 bar
Inaktive Länge (L3)200 … 2 000 mm
Durchmesser inaktive Länge43 mm
Zugbelastbarkeit des Sondenseils bei 20 °C300 Nm
Gehäusedeckel und DichtungenAluminiumgehäuse F17, F13, T13: EN-AC-AlSi10Mg, Kunststoffbeschichtung, Deckeldi
SondenwerkstoffTeilisoliertes Sondenseil: PTFE, 1.4401 (AISI 316)
WeightGehäuse mit Prozessanschluss: F15, F16, F17, F13 ca. 4,00 kg (8,82 lb)
EnergieversorgungVersorgungsspannung: 19 … 253 VAC
Versorgungsspannung14,5 VDC
Stromaufnahme< 15 mA
Leistungsaufnahmemaximal 230 mW
Trennspannung0,5 kV
Pmax1 500 VA
Summe der Spannungen300 V
Pfm-signal17 … 185 Hz
AusgangssignalPFM 60 … 185 Hz
Alarmsignal<20 Hz
Inactive length L3A Not selected
1 .... mm 316L
5 ....
Active length L1; anchor weightA .... mm, 6 mm rope 316L; 316L
B .... m
Insulation1 fully insulated PA, max. 120 °C
2 500 mm L2, partia
CertificationsNEPSI DIP A20
Part numberFTI56