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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

     安全栅将危险区域的开关量信号(NAMUR 信号)转换/放大成继电 器的触点动作信号,可以直接驱动负载或作为开关量信号输入后级处理设备。
KFD2-SD-Ex1.48
可以和本安型的极限位置检测物位开关配套使用。在应用过程中,有一些号需要相应的转换(如:危险区域的开关量/模拟量要在安全区域中得到放大/隔离;分离式的电极式液位开关的信号转换;以及电位器电阻分压信号转换为相应的电流信号等)才能进行后续的处理,因此,需要相关的二次仪表把信号转换为便于处理的数字/模拟信号。
  

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、安全栅应安装在非危险场所。
2、安全栅通往现场(危险场所)的软铜导线截面积必须大于0.5mm²。
3、连接导线的绝缘强度大于500V。
4、安全栅本安端(有蓝色标记)和非本安端电路配线,不得接错和混淆。本安导线宜选用蓝色作为本安标记。本安导线和非本安导线在汇线槽中应分开铺设,采用各自保护套管。安全
栅的本安侧,不允许混淆有其它电源,包括其它本安电路的电源。
5、安全栅与一次仪表组成本安安全防爆系统时,必须经国家指定的防爆检验机构检验认可。PH系列安全栅安全栅由国家防爆电气监督检验中心,给出的Co,Lo分布参数是相对与ⅡC级(氢气级)的最大允许值对于ⅡB级环境可把该参数乘以3,对于ⅡA级环境可把该参数乘以8。传输线选用不同规格的电缆时,其本身的电缆参数应予高度重视,不得超过规定值。
6、对安全栅进行单独通电调试时,必须注意安全栅的型号、电源极性、电压等级及安全栅外壳接线端上的标号。
7、严禁用兆欧表测试隔离安全栅端子之间的绝缘性。若要检查系统线路绝缘性时,应先断开全部安全栅接线,否则会引起内部器件损坏。
 
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
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