Pepperl+Fuchs KFD2-WAC2-Ex1.D Strain Gauge Converter
General specifications
Signal type Analog input
Supply
Connection Power Rail or terminals 23+, 24-
Rated voltage 20 ... 35 V DC
Ripple within the supply tolerance
Power consumption max. 3 W
Interface
Connection Power Rail or terminals 19+, 20 GND, 21-
Type RS-485
Programming interface programming socket
Field circuit
Connection terminals 1+, 2-, 3+, 4-, 5+, 6-
Lead resistance max. 25 Ω per line
Input I
Connection terminals 1+, 2-
Sensor supply 1 ... 5 V
Connection terminals 3+, 4- (supply); 5+, 6- (signal)
Short-circuit current 50 mA
Load ≥ 116 Ω up to 5V, ≥ 85 Ω up to 4V
Input
Connection side field side
Connection Input I: terminals 1+, 2-; Input II: terminals 13+, 14-; Input III: terminals 15+, 14-
Programmable Tare 0 ... 500 % of span
Input I Signal, analog
Input signal -100 ... 100 mV
Input resistance > 1 MΩ for voltage measurement
Input II, III tare adjustment, calibration and zero
Open circuit voltage/short-circuit current 18 V / 5 mA
Active/Passive I > 4 mA/I < 1.5 mA
Output
Connection side control side
Connection Output I: terminals 10, 11, 12; Output II: terminals 16, 17, 18; Output III: terminals 7-, 8+, 9-
Output I, II Relay output
Contact loading 253 V AC/2 A/500 VA/cos φ min. 0.7; 40 V DC/2 A resistive load
Mechanical life 2 x 107 switching cycles
Output III Analog output
Current range -20 ... 20 mA
Load max. 550 Ω
Analog voltage output 0 ... ± 10 V; output resistance 500 Ω (bridge between terminal 7 and 9)
Analog current output 0 ... ± 20 mA or 4 ... 20 mA; load 0 ... 550 Ω (terminals 7 and 8)
Line fault detection downscale -21.5 mA (-10.75 V) or 2 mA (1 V), upscale 21.5 mA (10.75 V)
Collective error message Power Rail
Transfer characteristics
Deviation
Resolution/accuracy ≤ ± 0.05 % incl. non-linearity and hysteresis
Temperature effect ≤ ± 0.01 %/K
Reaction time 300 ... 850 ms
Galvanic isolation
Input I/other circuits reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output I, II against eachother 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
Output III/Input II, III not available
Output III/Programming socket not available
Other circuits from each other functional insulation, rated insulation voltage 50 Veff
Indicators/settings
Display elements LEDs , display
Control elements Control panel
Configuration via operating buttons
via PACTware
Labeling space for labeling at the front
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EU EN 61326-1:2013 (industrial locations)
Low voltage
Directive 2014/35/EU EN 61010-1:2010
Conformity
Electromagnetic compatibility NE 21:2006
Degree of protection IEC 60529:2001
Ambient conditions
Ambient temperature -20 ... 60 °C (-4 ... 140 °F)
Mechanical specifications
Degree of protection IP20
Connection screw terminals
Mass approx. 250 g
Dimensions 40 x 119 x 115 mm (1.6 x 4.7 x 4.5 inch) (W x H x D) , housing type C2
Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001
Similar model numbers:
KFD2-CRG2-Ex1.D
KFD2-GUT-Ex1.D
KFU8-CRG2-Ex1.D
KFU8-GUT-Ex1.D
KFD2-WAC2-Ex1.D
KFD2-WAC2-Ex1.D-Y1
Any questions, feel free to contact us
jeff@hkxytech.com jeff@whxyauto.com +86-15072331761
