Pepperl+Fuchs KCD2-SR-2 216718

Manufacturer

Pepperl+Fuchs

Name

KCD2-SR-2

Part number

216718

Country

Germany

Type

Switch Amplifier

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This signal conditioner transfers digital signals (NAMUR sensors/mechanical contacts) from the field to the control system. The proximity sensor or switch controls a form A normally open relay contact for the load. The normal output state can be reversed using switches S1 and S2. Switch S3 is used to enable or disable line fault detection of the field circuit. During an error condition, relays revert to their de-energized state and LEDs indicate the fault according to NAMUR NE44. A unique collective error messaging feature is available when used with the Power Rail system. Due to its compact housing design and low heat dissipation, this device is useful for detecting positions, end stops, and switching states in space-critical applications.

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Product Description
24 V DC

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	&le, 10 %
Rated current	&le, 30 mA
Power dissipation	&le, 600 mW
Power consumption	&le, 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	1.2 ... 2.1 mA / approx. 0.2 mA
Line fault detection	breakage I &le, 0.1 mA , short-circuit I &ge, 6.5 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 &phi, > 0.7, 126.5 V AC/4 A/cos &phi, > 0.7, 30 V DC/2 A resistive load
Minimum switch current	2 mA / 24 V DC
Energized/De-energized delay	&le, 20 ms / &le, 20 ms
Mechanical life	107 switching cycles
Transfer characteristics
Switching frequency	&le, 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 21:2006
Degree of protection	IEC 60529
Ambient conditions
Ambient temperature	-20 ... 60 °C (-4 ... 140 °F)
Mechanical specifications
Degree of protection	IP20
Connection	screw terminals
Mass	approx. 100 g
Dimensions	12.5 x 114 x 119 mm (0.5 x 4.5 x 4.7 inch) , housing type A2
Mounting	on 35 mm DIN mounting rail acc. to EN 60715:2001
General information
Supplementary information	Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.