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继电器模块 KFD2-RSH-1.2E.L3

来源:未知    日期:2018/01/09    浏览量:


对于大多数的控制系统而言,常常需要将输入信号转换为系统可接受的信号模式。那么信号调节器的功能就是将各种现场信号,例如热电偶,热电阻转换为多种标准的仪表信号(1…5V, 4…20 mA, 等.)。

信号调节器对于信号的精确传输、信号的隔离以及防止信号干扰等方面起到很大的作用。

这个信号调节器省IDES的隔离场电路和控制电路之间的。典型的该装置的应用程序远程复位,火灾报警测试或远程校准应变计。输出电隔离网络的输入。输入不极化和共享一个共同的参考电位。每个输入的设备是通过熔断器和保护电子限流。

产品特点:● 1-channel signal conditioner
                 ● 24 V DC supply
                 ● Logic input 19 V DC ... 26.4 V DC
                 ● Recommended connectable voltage 50 V AC ... 230 V AC, 60 V DC ... 110 V DC
                 ● Relay contact output for energized to safe function
                 ● Diagnostic function
                 ● Up to SIL 3 acc. to IEC 61508


一般特性:
Signal type Digital Output
功能安全相关参数:
Safety Integrity Level (SIL) SIL 3
Supply:
Connection Power Rail or terminals 14+, 15-
Rated voltage 19 ... 26.4 V DC
Input current 35 mA at 24 V DC , max. 44 mA at 19 V DC , with enabled internal fault detection
Power consumption < 1.7 W , includes the power consumption of the digital input , see derating curves
输入:
Connection side control side
Connection terminals 7+, 8-
Pulse/Pause ratio min. 150 ms / min. 150 ms with disabled internal fault detection
min. 1 s / min. 1 s with enabled internal fault detection
Signal level 0-signal: -5 ... 5 V DC
1-signal: 19 ... 26.4 V DC
Rated current 0-signal: typ. 1.6 mA at 1.5 V DC; typ. 8 mA at 3 V DC (maximum leakage current DO card)
1-signal: ≥ 36 mA (minimum load current DO card)
输出:
Connection side field side
Connection external voltage : terminals 5+, 2-
load : terminals 6, 3
Connectable voltage 50 ... 230 V AC
60 ... 110 V DC
Power dissipation < 3.3 W at 5 A , see derating curves
Contact loading 253 V AC/5 A/cos φ 0.7; 30 V DC/5 A resistive load , see derating curves
Minimum switch current 10 mA
Mechanical life 5 x 106 switching cycles
Line fault detection low voltage < 35 V AC
undercurrent: 10 mA AC; overcurrent: 5.5 A AC (relay energized)
breakage: 48 kΩ; short-circuit: 29 Ω (load, relay de-energized)
故障指示输出:
Connection terminals 10, 11
Contact loading 30 V DC/ 0.5 A resistive load
Reaction time < 2 s
Mechanical life 105 switching cycles
传递特性:
Switching frequency < 3 Hz with disabled internal fault detection
< 0.5 Hz with enabled internal fault detection
电流隔离:
Input/fault indication output basic insulation according to IEC/EN 61010-1, rated insulation voltage 30 Veff
Output/other circuits reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
指示灯/设置:
Display elements LEDs
Control elements DIP-switch
Configuration via DIP switches
Labeling space for labeling at the front
指令符合:
Electromagnetic compatibility  
  Directive 2014/30/EU EN 61326-1:2013 (industrial locations)
Low voltage  
  Directive 2014/35/EU EN 61010-1:2010
符合:
Electromagnetic compatibility NE 21:2012 , EN 61326-3-2:2008 , EN 61326-3-1:2008
Degree of protection IEC 60529:2013
周围环境:
Ambient temperature -20 ... 60 °C (-4 ... 140 °F)
Observe the temperature range limited by derating, see section derating.
机械特性:
Degree of protection IP20
Connection screw terminals
Mass approx. 134 g
Dimensions 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) , housing type B2
Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001

电气接线图
继电器模块 KFD2-RSH-1.2E.L3

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