Frequency Converter with Trip Values KFD2-UFC-Ex1.D with Trip Values

Display elements LEDs , display

Control elements Control panel

Configuration via operating buttons 

via PACTware

Labeling space for labeling at the front

1-channel isolated barrier

24 V DC supply (Power Rail)

Input for NAMUR sensors or dry contacts

Input frequency 1 mHz ... 5 kHz

Current output 0/4 mA ... 20 mA

Relay contact and transistor output

Start-up override

Line fault detection (LFD)

Up to SIL 2 acc. to IEC 61508/IEC 61511

KFD2-SR2-EX2.W.SM 2 

KFA5-DWB-EX1.D 1 

KFA6-DWB-EX1.D 1 

KFD2-UFC-EX1.D 1

KFU8-UFC-EX1.D 1

KFD2-UFT-EX2.D 2 

KFU8-UFT-EX2.D

Transfer characteristics

Input I

Measurement range 0.001 ... 5000 Hz

Resolution 0.1 % of the measurement value , ≥ 0.001 Hz

Accuracy 0.1 % of the measurement value , > 0.001 Hz

Measuring time <100 ms

Influence of ambient temperature 0.003 %/K (30 ppm)

Output I, II

Response delay ≤ 200 ms

Output IV

Resolution <10 µA

Accuracy <20 µA

Influence of ambient temperature 0.005 %/K (50 ppm)

Galvanic isolation

Input I/other circuits reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff

Output I, II/other circuits reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff

Mutual output I, II, III reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff

Output III/power supply and collective error basic insulation according to IEC/EN 61010-1, rated insulation voltage 50 Veff

Output III/start-up override basic insulation according to IEC/EN 61010-1, rated insulation voltage 50 Veff

Output III/IV basic insulation according to IEC/EN 61010-1, rated insulation voltage 50 Veff

Output IV/power supply and collective error functional insulation acc. to IEC 62103, rated insulation voltage 50 Veff

Start-up override/power supply and collective error functional insulation acc. to IEC 62103, rated insulation voltage 50 Veff

Interface/power supply and collective error functional insulation acc. to IEC 62103, rated insulation voltage 50 Veff

Interface/output III basic insulation according to IEC/EN 61010-1, rated insulation voltage 50 Veff