Pepperl+Fuchs KFD2-WAC2-Ex1.D

Strain Gauge Converter
SKU: KFD2-WAC2-Ex1.D
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The Strain Gauge Converter is a versatile 1-channel isolated barrier designed for industrial applications requiring precise measurement and control. It features a 24 V DC supply and is compatible with full or half bridge strain gauge inputs, providing output options of 0 mA to 20 mA or 0 V to 10 V.

All description
Manufacturer: Pepperl+Fuchs
Description:

The Strain Gauge Converter from Pepperl+Fuchs is engineered for use in environments where intrinsic safety is paramount. This device serves as an isolated barrier, facilitating the integration of strain gauge sensors into control systems while ensuring compliance with stringent safety standards. It is particularly beneficial in applications such as structural monitoring, industrial weighing systems, and process control where accurate strain measurements are critical.

Equipped with an RS-485 interface, the converter enables seamless communication and integration into existing control systems. Users can configure the device via PACTware or directly through the keypad, allowing for tailored settings such as high/low alarm thresholds and line fault detection. The two relay contact outputs further enhance its functionality, making it suitable for applications that require both measurement and alerting capabilities.

Reaction time 300 … 850 ms
Output I, II Relay output
Connection Input I: terminals 1+, 2-; Input II: terminals 13+, 14-; Input III: terminals 15+, 14-
Output I, II against eachother reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Supplementary information Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.
Electromagnetic compatibility NE 21:2006
Labeling space for labeling at the front
Input I/other circuits reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
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
Output I, II/other circuits reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Type RS-485
IECEx approval IECEx TUN 06.0005
Dimensions 40 x 119 x 115 mm (1.6 x 4.7 x 4.5 inch) , housing type C3
Degree of protection IP20
Mass approx. 250 g
EU-Type Examination Certificate TV 04 ATEX 2531
Ambient temperature -20 … 60 °C (-4 … 140 °F)
Output III terminals 7-, 8+, 9- non-intrinsically safe
Programming interface programming socket
Output III/Programming socket not available
Output III Analog output
Connection side field side
Input I Signal, analog
Rated voltage 20 … 35 V DC
UL approval E223772
Lead resistance max. 25 andOmega; per line
Ripple within the supply tolerance
Connection Power Rail or terminals 23+, 24-
Display elements LEDs , display
Programmable Tare 0 … 500 % of span
Connection screw terminals
Connection terminals 1+, 2-, 3+, 4-, 5+, 6-
Output III/Input II, III not available
Sensor supply 1 … 5 V
Signal type Analog input
Input I terminals 1+, 2- Ex ia IIC, Ex iaD
Connection Power Rail or terminals 19+, 20 GND, 21-
Input II and III terminals 13+, 14-; 15+, 14- non-intrinsically safe
Other circuits from each other functional insulation, rated insulation voltage 50 Veff
Output I, II terminals 10, 11, 12; 16, 17, 18 non-intrinsically safe
Interface RS 485 programming jack
Input II, III tare adjustment, calibration and zero
Connection Output I: terminals 10, 11, 12; Output II: terminals 16, 17, 18; Output III: terminals 7-, 8+, 9-
Configuration via operating buttons
via PACTware
Control elements Control panel
Connection side control side
Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001
Degree of protection IEC 60529:2001
Power consumption max. 3 W
Supply Power Rail or terminals 23+, 24- non-intrinsically safe
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