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Transmitter Power Supply KFD2-CRG2-Ex1.D

  • 1-channel isolated barrier
  • 24 V DC supply (Power Rail)
  • Input 2-wire and 3-wire transmitters and 2-wire current sources
  • Output 0/4 mA … 20 mA
  • 2 relay contact outputs
  • Programmable high/low alarm
  • Linearization function (max 20 points)
  • Line fault detection (LFD)
  • Up to SIL 2 acc. to IEC 61508/IEC 61511
General specifications
Signal type Analog input
Functional safety related parameters
Safety Integrity Level (SIL) SIL 2
Supply
Connection Power Rail or terminals 23+, 24-
Rated voltage 20 … 30 V DC
Rated current approx. 130 mA
Power dissipation 2 W
Power consumption 2.5 W
Interface
Programming interface programming socket
Input
Connection side field side
Connection terminals 1, 2, 3
Input I
Input signal 0/4 … 20 mA
Available voltage ≥ 15 V at 20 mA
Open circuit voltage/short-circuit current 24 V / 33 mA
Input resistance 45 Ω (terminals 2, 3)
Line fault detection breakage I < 0.2 mA; short-circuit I > 22 mA
Output
Connection side control side
Connection output I: terminals 10, 11, 12
output II: terminals 16, 17, 18
output III: terminals 8+, 7-
Output signal 0 … 20 mA or 4 … 20 mA
Output I, II signal, relay
Contact loading 250 V AC / 2 A / cos φ ≥ 0.7 ; 40 DC / 2 A
Mechanical life 5 x 107 switching cycles
Output III Signal, analog
Current range 0 … 20 mA or 4 … 20 mA
Open loop voltage max. 24 V DC
Load max. 650 Ω
Fault signal downscale I ≤ 3.6 mA, upscale I ≥ 21 mA (acc. NAMUR NE43)
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 300 g
Dimensions 40 x 119 x 115 mm (1.6 x 4.7 x 4.5 inch) , housing type C3
Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001
Data for application in connection with hazardous areas
EU-Type Examination Certificate TÜV 01 ATEX 1701
Marking Ex-Hexagon II (1)G [Ex ia Ga] IIC
Ex-Hexagon II (1)D [Ex ia Da] IIIC
Ex-Hexagon I (M1) [Ex ia Ma] I
Certificate TÜV 02 ATEX 1885 X
Marking Ex-Hexagon II 3G Ex nA nC IIC T4
Output I, II
Contact loading 50 V AC/2 A/cos φ > 0.7; 40 V DC/1 A resistive load
Directive conformity
Directive 2014/34/EU EN 60079-0:2012+A11:2013 , EN 60079-11:2012 , EN 60079-15:2010
International approvals
FM approval
Control drawing 16-554FM-12 (cFMus)
UL approval E223772
IECEx approval IECEx TUN 09.0007
Approved for [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I
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