频率信号输入模块 LB1103A
来源：未知 日期：2017/04/26 浏览量：次
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 |
 II (1) G [Ex ia] IIC 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 |
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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