Switch Amplifier KCD2-SR-1.LB

KCD2-SR-1.LB安全柵特性

• 1-channel signal conditioner
• 24 V DC supply (Power Rail)
• Dry contact or NAMUR inputs
• Usable as signal splitter (1 input and 2 outputs)
• Relay contact output
• Fault relay contact output
• Line fault detection (LFD)
• Housing width 12.5 mm
• Up to SIL 2 acc. to IEC 61508

KCD2-SR-1.LB安全柵闡述

24 V DC

General specificationsFunctional safety related parametersSupplyInputOutput

Signal type		Digital Input
Safety Integrity Level (SIL)		SIL 2
Connection		Power Rail or terminals 9+, 10-
Rated voltage		19 ... 30 V DC
Ripple		≤ 10 %
Rated current		≤ 30 mA
Power dissipation		≤ 500 mW
Power consumption		≤ 500 mW
Connection side		field side
Connection		terminals 1+, 2-
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 ≤ 0.1 mA , short-circuit I ≥ 6.5 mA
Pulse/Pause ratio		min. 20 ms / min. 20 ms
Connection side		control side
Connection		output I: terminals 5, 6 ; output II: terminals 7, 8
Output I		signal ; relay
Output II		signal or error message ; relay
Contact loading		253 V AC/2 A/cos φ > 0.7; 126.5 V AC/4 A/cos φ > 0.7; 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		107switching cycles