Universal Temperature Converter KFD2-UT2-Ex1

• 1-channel isolated barrier
• 24 V DC supply (Power Rail)
• Thermocouple, RTD, potentiometer or voltage input
• Current output 0/4 mA … 20 mA
• Sink or source mode
• Configurable by PACTware
• Line fault (LFD) and sensor burnout detection
• Up to SIL 2 acc. to IEC 61508/IEC 61511

Datasheet excerpt: Technical data of KFD2-UT2-Ex1

General specifications
Signal type		Analog input
Functional safety related parameters
Safety Integrity Level (SIL)		SIL 2
Supply
Connection		terminals 14+, 15- or power feed module/Power Rail
Rated voltage		20 … 30 V DC
Ripple		within the supply tolerance
Power dissipation/power consumption		≤ 0.98 W / 0.98 W
Interface
Programming interface		programming socket
Input
Connection side		field side
Connection		terminals 1, 2, 3, 4
RTD		type Pt10, Pt50, Pt100, Pt500, Pt1000 (EN 60751: 1995) type Pt10GOST, Pt50GOST, Pt100GOST, Pt500GOST, Pt1000GOST (6651-94) type Cu10, Cu50, Cu100 (P50353-92) type Ni100 (DIN 43760)
	Measuring current	approx. 200 µA with RTD
	Types of measuring	2-, 3-, 4-wire connection
	Lead resistance	max. 50 Ω per line
	Measurement loop monitoring	sensor breakage, sensor short-circuit
Thermocouples		type B, E, J, K, N, R, S, T (IEC 584-1: 1995) type L (DIN 43710: 1985) type TXK, TXKH, TXA (P8.585-2001)
	Cold junction compensation	external and internal
	Measurement loop monitoring	sensor breakage
Potentiometer		0 … 20 kΩ (2-wire connection), 0.8 … 20 kΩ (3-wire connection)
Voltage		selectable within the range -100 … 100 mV
Input resistance		≥ 1 MΩ (-100 … 100 mV)
Output
Connection side		control side
Connection		output I: terminal 7: source (-), sink (+), terminal 8: source (+), terminal 9: sink(-)
Output		Analog current output
	Current range	0 … 20 mA or 4 … 20 mA
	Fault signal	downscale 0 or 2 mA, upscale 21.5 mA (acc. NAMUR NE43)
	Source	load 0 … 550 Ω open-circuit voltage ≤ 18 V
	Sink	Voltage across terminals 5 … 30 V. If the current is supplied from a source > 16.5 V, series resistance of ≥ (V – 16.5)/0.0215 Ω is needed, where V is the source voltage. The maximum value of the resistance is (V – 5)/0.0215 Ω.
Transfer characteristics
Reaction time		worst case value (sensor breakage and/or sensor short circuit detection enabled) mV: 1 s, thermocouples with CJC: 1.1 s, thermocouples with fixed reference temperature: 1.1 s, 3- or 4-wire RTD: 920 ms, 2-wire RTD: 800 ms, Potentiometer: 2.05 s
Indicators/settings
Display elements		LEDs
Configuration		via PACTware
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 60529:2001
Ambient conditions
Ambient temperature		-20 … 60 °C (-4 … 140 °F)
Mechanical specifications
Degree of protection		IP20
Connection		screw terminals
Mass		approx. 130 g
Dimensions		20 x 119 x 115 mm (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		CESI 04 ATEX 143
	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 1797 X
	Marking	II 3G Ex nA II T4
Directive conformity
	Directive 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	116-0410
CSA approval
	Control drawing	116-0314 (cCSAus) 116-0347
IECEx approval
	IECEx certificate	IECEx TUN 07.0003 IECEx CML 16.0126X
	IECEx marking	[Ex ia Ga] IIC [Ex ia Da] IIIC [Ex ia Ma] I Ex nA IIC T4 Gc