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模拟量输入模块 LB3103A2

来源:未知    日期:2017/11/17    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。

可以将4 ~20 mA设备连接到远程I/O,例如流量变送器、阀门定位器、压力传感器或者温度变送器。诸如热电偶(TCs)、电阻式温度检测器(RTDs)、机械触点以及声光报警器等设备也可以连接到远程I/O。我们的远程I/O系统能够兼容PROFIBUS DP, MODBUS RTU, MODBUS TCP/IP 和 FOUNDATION fieldbus等网络协议。

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。

I/O模块有一系列单通道和多通道的模块可供选择同时满足本安应用以及增安的现场连接要求。这样的设计简化了工程设计并且满足工厂的需要。

产品特点:● 1-channel
                 ● Input Ex ia
                 ● Mounting in Zone 2, Class I/Div.2 or in the safe area
                 ● Power supply for 2- or 3-wire transmitters with 4 mA ... 20 mA
                 ● Supply circuit 15 V (20 mA)
                 ● Input from active signals of 4-wire transmitters
                 ● HART communication via field bus or service bus
                 ● HART communication also for separately powered devices
                 ● Simulation mode for service operations (forcing)
                 ● Line fault detection (LFD) and Live Zero monitoring
                 ● Permanently self-monitoring
                 ● Module can be exchanged under voltage


Slots:
Occupied slots 1
Supply:
Connection backplane bus
Rated voltage 12 V DC , only in connection with the power supplies LB9***
Power dissipation 0.4 W
Power consumption 1 W
内部总线:
Connection backplane bus
Interface manufacturer-specific bus to standard com unit
模拟输入:
Number of channels 1
Suitable field devices  
  Field device pressure converter
  Field device [2] flow converter
  Field device [3] level converter
  Field device [4] Temperature Converter
Field device interface  
  Connection 2-wire transmitter
  Connection [2] 3-wire transmitter
  Connection [3] 4-wire transmitter
Connection 2-wire transmitter (HART):
supply circuit: 2/3+, 4/5-
3-wire transmitter (HART):
supply circuit: 2/3+, 6-
measuring circuit: 4/5+, 6-
4-wire transmitter (separately powered):
measuring circuit: 4/5+, 6-
HART measuring circuit: 1+, 6-
Transmitter supply voltage min. 15 V at 20 mA ; 21.5 V at 4 mA
Input resistance 15 Ω (terminals 5, 6) 236 Ω (terminals 1, 6) HART
Line fault detection can be switched on/off for each channel via configuration tool , configurable via configuration tool
  Short-circuit factory setting: > 22 mA configurable between 0 ... 26 mA
  Open-circuit factory setting: < 1 mA configurable between 0 ... 26 mA
HART communication yes
HART secondary variable yes
传递特性:
Deviation  
  After calibration 0.1 % of the signal range at 20 °C (68 °F)
Resolution 12 Bit (0 ... 26 mA)
Refresh time 100 ms
指示灯/设置:
LED indicator Power LED (P) green: supply
Diagnostic LED (I) red: module fault , red flashing: communication error , white: fixed parameter set (parameters from com unit are ignored) , white flashing: requests parameters from com unit
Status LED (1) red: line fault (lead breakage or short circuit)
Status LED (2) yellow: Live Zero monitoring
指令符合:
Electromagnetic compatibility  
  Directive 2014/30/EU EN 61326-1:2006
符合:
Electromagnetic compatibility NE 21:2007
Degree of protection IEC 60529:2000
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 15 g, number of shocks 18
Vibration resistance frequency range 10 ... 150 Hz; transition frequency: 57.56 Hz, amplitude/acceleration ± 0.075 mm/1 g; 10 cycles
frequency range 5 ... 100 Hz; transition frequency: 13.2 Hz amplitude/acceleration ± 1 mm/0.7 g; 90 minutes at each resonance
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)
在危险区域连接的应用程序数据:
EU-Type Examination Certificate BVS 12 ATEX E 100 X
  Marking Ex-Hexagon II 3(1) G Ex nA [ia Ga] IIC T4 Gc
Ex-Hexagon I (M1) [Ex ia Ma] I
Ex-Hexagon II (1) D [Ex ia Da] IIIC
Supply  
  Voltage 24.9 V
  Current 77 mA
  Power 478 mW (linear characteristic)
Connection 1-6  
  Voltage 8.9 V
  Current 4 mA
  Power 24 mW (trapezoid characteristic curve)
Input  
  Voltage 0.7 V
  Current 7 mA
  Power 5 mW (trapezoid characteristic curve)
  Internal capacitance 242 nF
  Internal inductance 0 mH
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 60079-0:2012
EN 60079-11:2012
EN 60079-15:2010
EN 60079-26:2007
EN 50303:2000
国际认证:
ATEX approval BVS 12 ATEX E 100X
UL approval E106378
IECEx approval BVS 13.0043X
  Approved for Ex nA [ia Ga] IIC T4 Gc
[Ex ia Da] IIIC
[Ex ia Ma] I
Marine approval  
  Lloyd Register 15/20021
  Bureau Veritas Marine 22449/B0 BV

电气接线图

模拟量输入模块 LB3103A2


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