1-channel isolated barrier 24 V DC supply (Power Rail) Current output up to 700 Ω load HART I/P and valve positioner Line fault detection (LFD) Accuracy 0.1 % Terminal blocks with test sockets Up to SIL2 acc. to IEC 61508 参数表节选:的技术参数 KFD2-SCD-Ex1.LK General specificati Signal type Analog output Supply Connection Power Rail or terminals 11+, 12- Rated voltage 20 ... 35 V DC Ripple within the supply tolerance Power loss 1.1 W at 20 mA into 10 V (equivalent to 500 Ω) load Power cumption 1.3 W Input Connection terminals 7-, 8+ Voltage drop approx. 4 V or internal resistance 200 Ω at 20 mA Input resistance > 100 kΩ, when wiring resistance in the field 800 Ω at 20 mA Current 4 ... 20 mA limited to approx. 25 mA Output Connection terminals 1+, 2- Current 4 ... 20 mA Load 100 ... 700 Ω Voltage ≥ 14 V at 20 mA Transfer characteristics Rise time < 100 ?s at bounce from 10 ... 90 % Directive conformity Electromagnetic compatibility Directive 2004/108/EC EN 61326-1:2006 Conformity Insulation coordination EN 50178:1997 Electrical isolation EN 50178:1997 Electromagnetic compatibility NE 21:2006 Protection degree IEC 60529:2001 Ambient conditi Ambient temperature -20 ... 60 °C (-4 ... 140 °F) Mechanical specificati Protection degree IP20 Mass approx. 100 g Dimensi 20 x 115 x 115 mm (0.8 x 4.5 x 4.5 in) , housing type B1 Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001 Data for application in connection with Ex-areas EC-Type Examination Certificate BAS 00 ATEX 7215 , for additional certificates see Group, category, type of protection II (1)GD, I (M1), [Ex ia] IIC, [Ex iaD], [Ex ia] I (-20 °C ≤ Tamb ≤ 60 °C) [circuit(s) in zone 0/1/2] 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 [device in zone 2] Directive conformity Directive 94/9/EC EN 60079-0:2006, EN 60079-11:2007, EN 60079-15:2005, EN 61241-11:2006 International approvals FM approval Control drawing 116-0129 UL approval Control drawing 116-0173 (cULus) CSA approval Control drawing 116-0132
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