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	II (1)G [Ex ia Ga] IIC  II (1)D [Ex ia Da] IIIC  I (M1) [Ex ia Ma] I
Certificate		TÜV 02 ATEX 1885 X
	Marking	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