2-channel isolated barrier
24 V DC supply (Power Rail)
Dry contact or NAMUR inputs
Passive transistor output, non-polarized
Line fault detection (LFD)
Reversible mode of operation
Up to SIL2 acc. to IEC 61508
参数表节选:的技术参数 KFD2-SOT2-Ex2
General specificati
Signal type Digital Input
Supply
Connection Power Rail or terminals 14+, 15-
Rated voltage 20 ... 30 V DC
Ripple ≤ 10 %
Rated current ≤ 50 mA
Input
Connection terminals 1+, 2+, 3-; 4+, 5+, 6-
Rated values acc. to EN 60947-5-6 (NAMUR), see system description for electrical data
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
Output
Connection output I: terminals 7, 8 ; output II: terminals 8, 9
Signal level 1-**: switching voltage - 2.5 V max. at 10 mA switching current or 3 V max. at 100 mA switching current
0-**: switched off (off-state current ≤ 10 ?A)
Output I, II ** ; electronic output, passive
Collective error message Power Rail
Transfer characteristics
Switching frequency ≤ 5 kHz
Directive conformity
Electromagnetic compatibility
Directive 2004/108/EC EN 61326-1:2006
Conformity
Electrical isolation IEC 62103:2003
Electromagnetic compatibility NE 21:2004
Protection degree IEC 60529:2001
Ambient conditi
Ambient temperature -20 ... 60 °C (-4 ... 140 °F)
Mechanical specificati
Protection degree IP20
Mass approx. 150 g
Dimensi 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 in) , housing type B2
Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001
Data for application in connection with Ex-areas
EC-Type Examination Certificate PTB 00 ATEX 2035 , for additional certificates see
Group, category, type of protection II (1) G [Ex ia] IIC
II (1) D [Ex ia] IIIC
EC-Type Examination Certificate DMT 01 ATEX E 133
Group, category, type of protection I (M1) [Ex ia] I
Statement of conformity T?V 99 ATEX 1499 X , observe statement of conformity
Group, category, type of protection, temperature class II 3G Ex nA II T4
Directive conformity
Directive 94/9/EC EN 60079-0:2009, EN 60079-11:2007 , EN 60079-15:2005 , EN 50303:2000 , EN 61241-11:2006
International approvals
FM approval
Control drawing 116-0035
CSA approval
Control drawing 116-0047
IECEx approval IECEx PTB 05.0011
Approved for [Ex ia] IIC , [Ex ia] I , [Ex ia] IIIC