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频率信号输入模块 LB1103A

来源:未知    日期:2017/04/26    浏览量:


模块化的远程I/O系统通过总线接口将现场二进制和模拟量的传感器和执行器连接至控制系统的方式传输安全区域或者爆炸危险区域的现场过程数据。模块化的远程I/O系统通过总线接口将现场二进制和模拟量的传感器和执行器连接至控制系统的方式传输安全区域或者爆炸危险区域的现场过程数据。

LB远程I/O系统能够安装于危险区 Zone2或者Zone 22以及安全区。该系统是模块化的信号处理系统,是现场信号和安全区的控制系统之间的接口界面。LB远程I/O系统通过标准的总线通讯协议(PROFIBUS, Modbus 等),将传统的传感器和现场设备的信号传送给DCS。可插拔的输入和输出模块能够在线热插拔。

频率信号输入模块用于频率测量,脉冲计数和转向检测。

产品特点:● 1-channel
               ● Input Ex ia
               ● Installation in Zone 2, Div. 2 or safe area
               ● Input for frequency, counter, direction of rotation
               ● Digital input max. 15 kHz
               ● Positive or negative logic selectable
               ● Simulation mode for service operations (forcing)
               ● Line fault detection (LFD)
               ● Permanently self-monitoring
               ● Module can be exchanged under voltage


Supply:
Connection backplane bus
Rated voltage 12 V DC , only in connection with the power supplies LB9***
Power consumption 0.6 W
内部总线:
Connection backplane bus
Interface manufacturer-specific bus to standard com unit
输入:
Number of channels 1
Suitable sensors Frequency, counter, direction of rotation, NAMUR proximity switches, 2-wire initiators, mech. contacts
Connection channel I: 1+, 2-; direction: 4+, 5-
Rated values acc. to EN 60947-5-6 (NAMUR)
Switching point/switching hysteresis 1.2 ... 2.1 mA / ± 0.2 mA
Voltage 8.2 V
Line fault detection can be switched on/off for each channel via configuration tool
  Connection mechanical switch with additional resistors (see connection diagram) , proximity switches without additional wiring
  Short-circuit < 360 Ω
  Open-circuit < 0.35 mA
指示灯/设置:
LED indicator LED green: supply
LED red: line fault
指令符合:
Electromagnetic compatibility  
  Directive 2014/30/EU EN 61326-1
符合:
Electromagnetic compatibility NE 21
Degree of protection IEC 60529
周围环境:
Ambient temperature -20 ... 60 °C (-4 ... 140 °F)
Storage temperature -25 ... 85 °C (-13 ... 185 °F)
Shock resistance shock type I, shock duration 11 ms, shock amplitude 50 m/s2, number of shock directions 6, number of shocks per direction 100
Vibration resistance frequency range 5 ... 500 Hz, amplitude 5 ... 13.2 Hz ± 1.5 mm, 13.2 ... 100 Hz 1g, sweep rate 1 octave/min, duration 10 sweeps 5 Hz - 100 Hz - 5 Hz
Damaging gas designed for operation in environmental conditions acc. to ISA-S71.04-1985, severity level G3
机械特性:
Degree of protection IP20 when mounted on backplane
Connection removable front connector with screw flange (accessory)
wiring connection via spring terminals (0.14 ... 1.5 mm2) or screw terminals (0.08 ... 1.5 mm2)
Mass approx. 90 g
Dimensions 16 x 100 x 102 mm (0.63 x 3.9 x 4 inch)
与危险区域性的应用参数:
EU-Type Examination Certificate PTB 03 ATEX 2042
  Marking Ex-Hexagon II (1) G [Ex ia] IIC
Ex-Hexagon II (1) D [Ex ia] IIIC
Input  
  Voltage 10.5 V
  Current 23.3 mA
  Power 61.2 mW (linear characteristic)
Certificate PF 08 CERT 1234 X
  Marking Ex-Hexagon II 3 G Ex nA IIC T4 Gc
Galvanic isolation  
  Input/power supply, internal bus safe electrical isolation acc. to EN 60079-11, voltage peak value 375 V
Directive conformity  
  Directive 2014/34/EU EN 60079-0:2009
EN 60079-11:2007
EN 60079-15:2010
EN 61241-11:2006
国际认证:
ATEX approval PF 08 CERT 1234 X PTB 03 ATEX 2042
UL approval E106378
  Control drawing 116-0321
  Approved for cUL (Canada): CL I Zn. 2 IIC; IS circuits for CL I Zn. 0 IIC
ULus (USA): CL I Div. 2 Grp. A, B, C, D; IS circuits for CL I, II, III Div. 1 Grp. A, B, C, D, E, F, G
IECEx approval BVS 09.0037X
  Approved for Ex nA [ia Ga] IIC T4 Gc
[Ex ia Da] IIIC
EAC approval Russia: RU C-IT.MIII06.B.00129
Marine approval  
  Lloyd Register 15/20021
  DNV GL Marine TAA0000034
  American Bureau of Shipping T1450280/UN
  Bureau Veritas Marine 22449/B0 BV

远程I/O适用于位于爆炸危险区或者严酷工业环境的应用,例如海洋平台和户外。典型的应用行业包括石油天然气(内陆及海洋)、制药、化工、污水处理、食品饮料等。




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