Estimated Lead Time : 1 - 10 Working Days
Manufacturer : Pepperl+Fuchs
Product no : KFD2-VR4-EX1.26
Product type : Voltage Repeater
1-channel isolated barrier
24 V DC supply (Power Rail)
Voltage input 0 V ... -20 V
Vibration sensor inputs
Voltage/current field supply
Voltage output 0 V ... -20 V
Up to SIL 2 acc. to IEC 61508
General specifications :-
Signal type : Analog input
Functional safety related parameters:-
Safety Integrity Level (SIL) : SIL 2
Supply :-
Connection : Power Rail or terminals 11+, 12-
Rated voltage : 19 ... 30 V DC
Ripple : within the supply tolerance
Power dissipation : = 1.2 W
Power consumption : = 1.6 W
Input :-
Connection side : field side
Connection : terminals 4 (common), 1, 3 and 5 (supply -), 2 and 6 (signal -)
Input resistance : 10 kO terminals 4 (common), 6-/2-
Output rated operating current : terminals 4 (common), 5-: > 10 mA at -21 V or > 20 mA at -18 V
terminals 4 (common), 1-: 5.3 mA ±0.4 mA at -10 V
terminals 4 (common), 3-: 3.6 mA ±0.7 mA at -10 V, 20 °C (68 °F)
Transmission range : -20 ... 0 V
Output :-
Connection side : control side
Connection : terminals 7-, 8+
Load : = 9 kO (3-wire sensor), = 2 kO (2-wire sensor)
Voltage : -20 ... 0 V
Output resistance : 24 O typ., 27 O maximum
Since this is much less than the end-to-end resistance of a zener barrier, it may be necessary to specify a monitor intended for use without a barrier. Please follow the advice of the monitor manufacturer.
Transfer characteristics :-
Cut-off frequency : 10 kHz (-0,1 dB)
20 kHz (-1 dB)
Deviation : DC transfer error (with 10 kO load) < 10mV
Time delay relative to input : 7.1 ±0.3µs
Ripple : in 200 kHz bandwidth < 20 mVrms
in 20 kHz bandwidth < 3 mVrms
Indicators/settings:-
Display elements : LED
Labeling : space for labeling at the front
Directive conformity :-
Electromagnetic compatibility
Directive 2014/30/EU : EN 61326-1:2013 (industrial locations)
Conformity :-
Electromagnetic compatibility : NE 21:2006
Degree of protection : IEC 60529
Ambient conditions :-
Ambient temperature : -20 ... 60 °C (-4 ... 140 °F)
Mechanical specifications :-
Degree of protection : IP20
Connection : screw terminals
Weight : 0.13 Kg
Dimensions : 2.0 x 11.9 x 11.5 cm (0.8 x 4.7 x 4.5 inch) , housing type B2
Mounting : on 35 mm DIN mounting rail acc. to EN 60715:2001
Data for application in connection with hazardous areas:-
EU-Type Examination Certificate : BAS 02 ATEX 7206
Marking : II (1)GD, [Ex ia Ga] IIC, [Ex ia Da] IIIC, (-20 °C = Tamb= 60 °C) [circuit(s) in zone 0/1/2]
EU-Type Examination Certificate : DMT 01 ATEX E 133
Marking : I (M1) [Ex ia] I
Certificate : TÜV 99 ATEX 1499 X
Marking : II 3G Ex nA II T4 [device in zone 2]
Directive conformityDirective 2014/34/EU : EN 60079-0:2012+A11:2013 , EN 60079-11:2012 , EN 60079-15:2010 , EN 50303:2000
International approvals :-
UL approval
Control drawing : 116-0316 (cULus)
IECEx approval : IECEx BAS 05.0078
IECEx BAS 10.0085X
Approved for : [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I Ex nA II T4 Gc
Shipping Weight : 1.5 Kg