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KCD2-SR-2-倍加福P+F信號調(diào)節(jié)器
Switch Amplifier
KFD2-SR2-Ex2.W
< 2-channel isolated barrier
< 24 V DC supply (Power Rail)
< Dry contact or NAMUR inputs
< Relay contact output
< Line fault detection (LFD)
< Reversible mode of operation
< Up to SIL 2 (SC 3) acc. to IEC/EN 61508

KCD2-SR-2-倍加福P+F信號調(diào)節(jié)器
技術(shù)參數(shù)節(jié)選  KFD2-SR2-Ex2.W
General specifications
Signal type Digital Input
Functional safety related parameters
Safety Integrity Level (SIL) SIL 2
Systematic capability (SC) SC 3
Supply
Connection Power Rail or terminals 14+, 15-
Rated voltage 19 ... 30 V DC
Ripple ≤ 10 %
Rated current ≤ 50 mA
Power dissipation ≤ 1 W
Power consumption ≤ 1 W
Input

Connection side field side
Connection terminals 1+, 2+, 3-; 4+, 5+, 6-
Rated values acc. to EN 60947-5-6 (NAMUR)
Open circuit voltage/short-circuit current approx. 8 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 mA
Pulse/Pause ratio min. 20 ms / min. 20 ms
Output
Connection side control side
Connection output I: terminals 7, 8, 9 ; output II: terminals 10, 11, 12
Output I, II signal, relay
Contact loading 250 V AC/2 A/cos φ > 0.75; 126.5 V AC/4 A/cos φ > 0.75; 40 V DC/2 A resistive load
Minimum switch current 2 mA / 24 V DC
Energized/De-energized delay approx. 20 ms / approx. 20 ms
Mechanical life 107 switching cycles
Collective error message Power Rail
Transfer characteristics
Switching frequency ≤ 10 Hz
Galvanic isolation
Input/Output reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Input/power supply reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output/power supply reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output/Output reinforced insulation according to IEC/EN 61010-1, 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