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          KFD2-SD-Ex1.48

          current limit 35 mA Supply Rated voltage loop powered Power loss 1.3 W Input Connection terminals 7+, 8- Rated voltage 5 ... 35 V DC

               安全柵將危險區(qū)域的開關量信號(NAMUR 信號)轉換/放大成繼電 器的觸點動作信號,可以直接驅動負載或作為開關量信號輸入后級處理設備。
          KFD2-SD-Ex1.48
          可以和本安型的極限位置檢測物位開關配套使用。在應用過程中,有一些號需要相應的轉換(如:危險區(qū)域的開關量/模擬量要在安全區(qū)域中得到放大/隔離;分離式的電極式液位開關的信號轉換;以及電位器電阻分壓信號轉換為相應的電流信號等)才能進行后續(xù)的處理,因此,需要相關的二次儀表把信號轉換為便于處理的數(shù)字/模擬信號。
            

          Output signal These values are valid for the rated operating voltage 20 ... 35 V DC.
          Directive conformity
          Electromagnetic compatibility  
            Directive 89/336/EEC EN 61326, EN 50081-2
          Conformity
          Electromagnetic compatibility NE 21
          Protection degree IEC 60529
          Ambient conditions
          Ambient temperature -20 ... 60 °C (-4 ... 140 °F)
          Mechanical specifications
          Protection degree IP20
          Mass approx. 100 g
          Dimensions 20 x 107 x 115 mm (0.8 x 4.2 x 4.5 in)
          Data for application in connection with Ex-areas
          EC-Type Examination Certificate BAS 00 ATEX 7216 , for additional certificates see www.pepperl-fuchs.com
            Group, category, type of protection II (1)GD [EEx ia] IIC (-20 °C ≤ Tamb ≤ 60 °C) [circuit(s) in zone 0/1/2]
          Statement of conformity TÜV 99 ATEX 1499 X , observe statement of conformity
            Group, category, type of protection, temperature class II 3G EEx nA II T4 [device in zone 2]
          Directive conformity  
            Directive 94/9/EC EN 50014, EN 50020, EN 50021
          1、安全柵應安裝在非危險場所。
          2、安全柵通往現(xiàn)場(危險場所)的軟銅導線截面積必須大于0.5mm²。
          3、連接導線的絕緣強度大于500V。
          4、安全柵本安端(有藍色標記)和非本安端電路配線,不得接錯和混淆。本安導線宜選用藍色作為本安標記。本安導線和非本安導線在匯線槽中應分開鋪設,采用各自保護套管。安全
          柵的本安側,不允許混淆有其它電源,包括其它本安電路的電源。
          5、安全柵與一次儀表組成本安安全防爆系統(tǒng)時,必須經國家指定的防爆檢驗機構檢驗認可。PH系列安全柵安全柵由國家防爆電氣監(jiān)督檢驗中心,給出的Co,Lo分布參數(shù)是相對與ⅡC級(氫氣級)的最大允許值對于ⅡB級環(huán)境可把該參數(shù)乘以3,對于ⅡA級環(huán)境可把該參數(shù)乘以8。傳輸線選用不同規(guī)格的電纜時,其本身的電纜參數(shù)應予高度重視,不得超過規(guī)定值。
          6、對安全柵進行單獨通電調試時,必須注意安全柵的型號、電源極性、電壓等級及安全柵外殼接線端上的標號。
          7、嚴禁用兆歐表測試隔離安全柵端子之間的絕緣性。若要檢查系統(tǒng)線路絕緣性時,應先斷開全部安全柵接線,否則會引起內部器件損壞。
           
          current limit 35 mA
          Supply
          Rated voltage loop powered
          Power loss 1.3 W
          Input
          Connection terminals 7+, 8-
          Rated voltage 5 ... 35 V DC
          Current 6 mA at 18.5 V nominal supply voltage,
          70 mA at 35 V nominal supply voltage
          Output
          Internal resistor max. 303 Ω
          Limit current IE: min. 35.3 mA
          voltage UE: 12.1 V
          Open loop voltage min. 22.8 V
          Connection terminals 1+, 2-
          Output rated operating current 35 mA
          Output signal These values are valid for the rated operating voltage 20 ... 35 V DC.
          Directive conformity
          Electromagnetic compatibility  
            Directive 89/336/EEC EN 61326, EN 50081-2
          Conformity
          Electromagnetic compatibility NE 21
          Protection degree IEC 60529
          Ambient conditions
          Ambient temperature -20 ... 60 °C (-4 ... 140 °F)
          Mechanical specifications
          Protection degree IP20
          Mass approx. 100 g
          Dimensions 20 x 107 x 115 mm (0.8 x 4.2 x 4.5 in)
          Data for application in connection with Ex-areas
          EC-Type Examination Certificate BAS 00 ATEX 7216 , for additional certificates see www.pepperl-fuchs.com
            Group, category, type of protection II (1)GD [EEx ia] IIC (-20 °C ≤ Tamb ≤ 60 °C) [circuit(s) in zone 0/1/2]
          Statement of conformity TÜV 99 ATEX 1499 X , observe statement of conformity
            Group, category, type of protection, temperature class II 3G EEx nA II T4 [device in zone 2]
          Directive conformity  
            Directive 94/9/EC EN 50014, EN 50020, EN 50021
          產品直通車
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