Frequency Converter with Trip Values KFU8-UFC-Ex1.D

• 1-channel isolated barrier
• Universal usage at different power supplies
• Input for NAMUR sensors or dry contacts
• Input frequency 1 mHz ... 5 kHz
• Current output 0/4 mA ... 20 mA
• Relay contact and transistor output
• Start-up override
• Line fault detection (LFD)
• Up to SIL 2 acc. to IEC 61508/IEC 61511

技術參數  KFU8-UFC-Ex1.D

General specifications
Signal type		Digital Input
Functional safety related parameters
Safety Integrity Level (SIL)		SIL 2
Supply
Connection		terminals 23, 24
Rated voltage		20 ... 90 V DC / 48 ... 253 V AC 50 ... 60 Hz
Power dissipation/power consumption		≤ 2 W ; 2.5 VA / 2.2 W ; 3 VA
Interface
Programming interface		programming socket
Input
Connection side		field side
Connection		Input I: intrinsically safe: terminals 1+, 3- Input II: non-intrinsically safe: terminals 13+, 14-
Input I		sensor acc. to EN 60947-5-6 (NAMUR) or mechanical contact
	Pulse duration	> 50 μs
	Input frequency	0.001 ... 5000 Hz
	Line fault detection	breakage I ≤ 0.15 mA; short-circuit I > 6.5 mA
Input II		startup override: 1 ... 1000 s, adjustable in steps of 1 s
	Active/Passive	I > 4 mA (for min. 100 ms) / I < 1.5 mA
	Open circuit voltage/short-circuit current	18 V / 5 mA
Output
Connection side		control side
Connection		output I: terminals 10, 11, 12 output II: terminals 16, 17, 18 outout III: terminasl 19+, 20- output IV: terminals 8+, 7-
Output I, II		signal, relay
	Contact loading	250 V AC / 2 A / cos φ ≥ 0.7 ; 40 V DC / 2 A
	Mechanical life	5 x 107 switching cycles
	Energized/De-energized delay	approx. 20 ms / approx. 20 ms
Output III		electronic output, passive
	Contact loading	40 V DC
	Signal level	1-signal: (L+) - 2.5 V (50 mA, short-circuit/overload proof) 0-signal: switched off (off-state current ≤ 10 μA)
Output IV		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 ≥ 21.5 mA (acc. NAMUR NE43)
Transfer characteristics
Input I
	Measurement range	0.001 ... 5000 Hz
	Resolution	0.1 % of the measurement value , ≥ 0.001 Hz
	Accuracy	0.1 % of the measurement value , > 0.001 Hz
	Measuring time	< 100 ms
	Influence of ambient temperature	0.003 %/K (30 ppm)
Output I, II
	Response delay	≤ 200 ms
Output IV
	Resolution	< 10 μA
	Accuracy	< 20 μA
	Influence of ambient temperature	0.005 %/K (50 ppm)
Galvanic isolation
Input I/other circuits		reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output I, II/other circuits		reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Mutual output I, II, III		reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output III/power supply		reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output III/start-up override		basic insulation according to IEC/EN 61010-1, rated insulation voltage 50 Veff
Output III/IV		basic insulation according to IEC/EN 61010-1, rated insulation voltage 50 Veff
Output IV/power supply		reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Start-up override/power supply		reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Interface/power supply		reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Interface/output III		basic insulation according to IEC/EN 61010-1, rated insulation voltage 50 Veff
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
Input		EN 60947-5-6:2000
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 99 ATEX 1471
	Marking	II (1)G [Ex ia Ga] IIC  II (1)D [Ex ia Da] IIIC  I (M1) [Ex ia Ma] I
Supply
	Maximum safe voltage	253 V AC / 125 V DC (Attention! Um is no rated voltage.)
Input I		terminals 1+, 3-: Ex ia
	Voltage Uo	10.1 V
	Current Io	13.5 mA
	Power Po	34 mW (linear characteristic)
Input II		terminals 13+, 14- non-intrinsically safe
	Maximum safe voltage Um	40 V (Attention! The rated voltage can be lower.)
Output I, II		terminals 10, 11, 12; 16, 17, 18 non-intrinsically safe
	Maximum safe voltage	253 V (Attention! The rated voltage can be lower.)
	Contact loading	253 V AC/2 A/cos φ > 0.7; 40 V DC/2 A resistive load (TüV 99 ATEX 1471)
Output III		terminals 19+, 20- non-intrinsically safe
	Maximum safe voltage Um	40 V (Attention! Um is no rated voltage.)
Output IV		terminals 8+, 7- non-intrinsically safe
	Maximum safe voltage	40 V DC (Attention! Um is no rated voltage.)
Interface		RS 232
	Maximum safe voltage	40 V (Attention! Um is no rated voltage.)
Galvanic isolation
	Input I/other circuits	safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Directive conformity
	Directive 2014/34/EU	EN IEC 60079-0:2018 , EN 60079-11:2012
International approvals
FM approval
	Control drawing	16-538FM-12
IECEx approval		IECEx TUN 04.0007
	Approved for	[Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I