倍加福SIL3認證安全柵KCD2-STC-EX1.ES特征
?1通道隔離屏障
?24v直流電源(電源線)
?輸入2線智能發(fā)射機和電流源
?4 mA輸出…20ma或1v…5伏
?接收器或源模式
?線路故障檢測(LFD)
?外殼寬度12.5毫米
?安全等級可達SIL 3
應(yīng)用
這種隔離屏障用于內(nèi)在安全應(yīng)用。該設(shè)備在危險區(qū)域提供二線發(fā)射器，也可以與當前資源一起使用。它將模擬輸入信號以an的形式傳輸?shù)桨踩珔^(qū)域孤立的當前值。支持雙向通信智能發(fā)射機，使用電流調(diào)制傳輸數(shù)據(jù)和電壓調(diào)制接收數(shù)據(jù)。輸出被選擇為當前源、當前接收器或電壓源通過DIP開關(guān)。故障由ledacc進行信號處理。到NAMUR NE44和a單獨的集體錯誤消息輸出。測試HART通信器連接的套接字為集成到設(shè)備的終端。
技術(shù)參數(shù)
General specifications
Signal type Analog input
Functional safety related parameters
Safety Integrity Level (SIL) SIL 3
Supply
Connection Power Rail or terminals 9+, 10-
Rated voltage Ur 19 ... 30 V DC
Ripple ≤ 10 %
Rated current Ir ≤ 50 mA
Power dissipation ≤ 800 mW
Power consumption ≤ 1.2 W
Input
Connection side field side
Connection terminals 1+, 2-; 3+, 4-
Input signal 4 ... 20 mA , limited to approx. 27 mA reverse polarity protected
Line fault detection downscaling ≤ 3 mA ; upscaling ≥ 22 mA
Voltage drop approx. 5 V on terminals 3+, 4-
Available voltage ≥ 15 V at 20 mA terminals 1+, 2-
Output
Connection side control side
Connection terminals 5-, 6+
Load 0 ... 300 Ω (source mode)
Output signal 4 ... 20 mA or 1 ... 5 V (on 250 Ω, 0.1 % internal shunt)
4 ... 20 mA (sink mode), operating voltage 16 ... 28 V
Ripple 20 mV rms
Fault indication output
Output type fault bus signal , open collector transistor
Transfer characteristics
Deviation at 20 °C (68 °F)
≤ ± 20 μA incl. calibration, linearity, hysteresis, loads and supply voltage fluctuations (source mode and sink
mode 4 ... 20 mA)
≤ 10 mV incl. calibration, linearity, hysteresis and fluctuations of supply voltage (source mode 1 ... 5 V)
Influence of ambient temperature < 2 μA/K (0 ... 70 °C (32 ... 158 °F)); < 4 μA/K (-20 ... 0 °C (-4 ... 32 °F)) (source mode and sink mode 4 ... 20
mA)
< 0.5 mV/K (0 ... 70 °C (32 ... 158 °F)); < 1 mV/K (-20 ... 0 °C (-4 ... 32 °F)) (source mode 1 ... 5 V)
Frequency range field side into the control side: bandwidth with 1 mApp signal 0 ... 3 kHz (-3 dB)
control side into the field side: bandwidth with 0.5 Vpp signal 0 ... 3 kHz (-3 dB)
Settling time ≤ 200 ms
Rise time/fall time ≤ 20 ms
Galvanic isolation
Input/Output safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Input/power supply safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Output/power supply Basic isolation acc. to EN 61010-1 rated insulation voltage ≤ 50 V
Indicators/settings
Display elements LEDs
Control elements DIP-switch
Configuration via DIP switches
Labeling space for labeling at the front
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EU EN 61326-1:2013 (industrial locations)
Conformity
Electromagnetic compatibility NE 21:2006
Degree of protection IEC 60529:2001
Ambient conditions
Ambient temperature -20 ... 70 °C (-4 ... 158 °F)
Mechanical specifications
Degree of protection IP20
Connection screw terminals
Mass approx. 100 g
Dimensions 12.5 x 114 x 124 mm (0.5 x 4.5 x 4.9 inch) , housing type A2
Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001
Data for application in connection
with hazardous areas
EU-type examination certificate CESI 10 ATEX 071
Release date 2019-05-28 11:40 Date of issue 2019-05-28 222538_eng.xml
Technical data KCD2-STC-Ex1.ES
Pepperl+Fuchs Group Germany: +49 621 776 2222 3
Refer to "General Notes Relating to Pepperl+Fuchs Product Information".
USA: +1 330 486 0002 Singapore: +65 6779 9091
www.pepperl-fuchs.com pa-info@us.pepperl-fuchs.com pa-info@de.pepperl-fuchs.com pa-info@sg.pepperl-fuchs.com
Marking ? II (1)G [Ex ia Ga] IIC
? II (1)D [Ex ia Da] IIIC
? I (M1) [Ex ia Ma] I
Input Ex ia, Ex iaD
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