点击图片查看大图
P+F 原装正品安全栅 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 SIL2 acc. to IEC 61508
KCD2-SR-EX1.LBKFD2-SR2.Ex1.W
KFA5-SR2-Ex1.W
KFA6-SR2-Ex1.W
KFD2-SR2-Ex1.W.LB
KFA5-SR2-Ex1.W.LB
KFA6-SR2-Ex1.W.LB
KCD2-SR-EX2
KFD2-SR2-Ex2.W
KFA5-SR2-Ex2.W
KFA6-SR2-Ex2.W
KFA5-SR2-EX2.W.IR
KFA6-SR2-EX2.W.IR
KFD2-SR2-Ex2.2S
KFD2-SRA-Ex4
KFD2-SRT-Ex1
KFD2-SR-Ex1.4S.LK
KFD2-DU-Ex1.D
KFA5-DU-EX1.D
KFA6-DU-EX1.D
KFD2-ER-EX1.W.LB
KFA5-ER-EX1.W.LB
KFA6-ER-EX1.W.LB
KFD2-ST2-Ex1.LB
KFD2-ST2-Ex2
KFD2-SOT2-Ex1.LB
KFD2-SOT2-EX1.LB.IO
KFD2-SOT2-Ex1.N
KFD2-SOT2-Ex2
KFA5-SOT2-Ex2
KFA6-SOT2-Ex2
KFD2-SOT2-Ex2.IO
KFD2-SH-Ex1
KFD2-SH-Ex1.T.OP
KHA6-SH-Ex1
General specifications
Signal type Digital Input
Supply
Connection Power Rail or terminals 14+, 15-
Rated voltage 20 ... 30 V DC
Ripple ≤ 10 %
Rated current ≤ 50 mA
Power loss 1 W
Power consumption < 1.3 W
Input
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 ≥ 20 ms / ≥ 20 ms
Output
Connection output I: terminals 7, 8, 9 ; output II: terminals 10, 11, 12
Output I, II signal, relay
Contact loading 253 V AC/2 A/cos φ > 0.7; 126.5 V AC/4 A/cos φ > 0.7; 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
Transfer characteristics
Switching frequency ≤ 10 H
