Switch Amplifier KCD2-SR-Ex2

2-channel isolated barrier
24 V DC supply (Power Rail)
Dry contact or NAMUR inputs
Relay contact output
Line fault detection (LFD)
Housing width mm
Up to SIL 2 acc. to IEC 61508

参数表节选：的技术参数 KCD2-SR-Ex2

General specifications
Signal type		Digital Input
Functional safety related parameters
Safety Integrity Level (SIL)		SIL 2
Supply
Connection		Power Rail or terminals 9+, 10-
Rated voltage		19 30 V DC
Ripple		≤ 10 %
Rated current		≤ 30 mA
Power dissipation		≤ 600 mW
Power consumption		≤ 600 mW
Input
Connection side		field side
Connection		terminals 1+, 2-; 3+, 4-
Rated values		acc. to EN 60947-5-6 (NAMUR)
Open circuit voltage/short-circuit current		approx. 10 V DC / approx. 8 mA
Switching point/switching hysteresis		mA / approx. mA
Line fault detection		breakage I ≤ mA , short-circuit I ≥ mA
Pulse/Pause ratio		min. 20 ms / min. 20 ms
Output
Connection side		control side
Connection		terminals 5, 6; 7, 8
Output I		signal ; relay
Output II		signal ; relay
Contact loading		253 V AC/2 A/cos φ > ; 12 V AC/4 A/cos φ > ; 30 V DC/2 A resistive load
Minimum switch current		2 mA / 24 V DC
Energized/De-energized delay		≤ 20 ms / ≤ 20 ms
Mechanical life		107 switching cycles
Transfer characteristics
Switching frequency		≤ 10 Hz
Galvanic isolation
Input/Output		reinforced insulation acc. to EN 50178, rated insulation voltage 300 Veff
Input/power supply		reinforced insulation acc. to EN 50178, rated insulation voltage 300 Veff
Output/power supply		reinforced insulation acc. to EN 50178, rated insulation voltage 300 Veff
Input/input		Basic insulation according to EN 50178, rated insulation voltage 300 Veff
Output/Output		reinforced insulation acc. to EN 50178, rated insulation voltage 300 Veff
Indicators/settings
Display elements		LEDs
Control elements		DIP-switch
Configuration		via DIP switches
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
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. 100 g
Dimensions		x 114 x 119 mm ( x x inch) , housing type A2
Mounting		on 35 mm DIN mounting rail acc. to EN 60715:2001
Data for application in connection with hazardous areas
EU-type examination certificate		BASEEFA 06 ATEX 0092
Marking	II (1)G [Ex ia Ga] IIC , II (1)D [Ex ia Da] IIIC , I (M1) [Ex ia Ma] I
Input	[Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I
Voltage	1 V
Current	mA
Power	45 mW (linear characteristic)
Supply
Maximum safe voltage	253 V AC (Attention! Um is no rated voltage.)
Output
Contact loading	253 V AC/2 A/cos φ > ; 12 V AC/4 A/cos φ > ; 30 V DC/2 A resistive load
Maximum safe voltage	253 V AC (Attention! The rated voltage can be lower.)
Certificate		PF 06 CERT 0972 X
Marking	II 3G Ex nA nC IIC T4 Gc
Output I, II
Contact loading	50 V AC/2 A/cos φ > ; 30 V DC/2 A resistive load
Galvanic isolation
Input/Output	safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Input/power supply	safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
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	116-0419 (cFMus)
UL approval
Control drawing	116-0420 (cULus)
IECEx approval		IECEx BAS
Approved for	[Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I