描述
WEIDMULLER 8540180000产品简介
一、产品概述
WEIDMULLER 8540180000是一款高性能模拟信号隔离器，属于魏德米勒（WEIDMULLER）WAS5系列隔离器产品，主要用于工业自动化和过程控制领域中的模拟信号隔离与转换。该设备通过电气隔离技术，有效抑制共模和差模干扰，确保信号传输的稳定性和准确性。
二、技术参数
信号类型：支持0-20mA/0-20mA隔离，兼容模拟电流/电压信号（如0-10V、4-20mA）。
电源要求：24V DC供电，额定电压300V，过压等级III。
安装方式：DIN导轨安装，尺寸符合工业标准，便于集成。
防护性能：
抗冲击耐压6kV，污染等级2。
电气间隙和爬电距离≥5.5mm，绝缘电压4kV（5秒）。
认证标准：
符合EMC标准（EN 55011、EN 61000-6），抗电磁干扰能力强。
通过国际电工委员会（IEC）相关认证。
三、功能特点
信号隔离与转换：
实现输入与输出电路的完全隔离，防止共模干扰影响系统稳定性。
支持模拟量信号的线性隔离与比例缩放，适用于不同量程的传感器信号处理。
工业兼容性：
兼容魏德米勒其他模拟处理产品（如温度变送器、隔离变压器），形成完整的信号链路。
输出信号可直接连接PLC、DCS等控制系统，支持Modbus、Profibus等工业协议。
高可靠性：
长寿命设计，额定连接下可承受2.5mm²导线，压接范围0.5-2.5mm²。
螺钉联接结构，操作便捷且抗震性能优异。
四、应用场景
工业过程控制：化工、电力、冶金等行业中传感器信号的隔离与传输。
温度测量系统：作为温度变送器的配套设备，将热电阻或热电偶信号转换为标准电流/电压信号。
安全防护：在高电压或高干扰环境下，防止信号回路对控制系统造成损害。
五、设计优势
模块化设计：支持扩展其他魏德米勒产品，简化系统集成复杂度。
低功耗：优化电源管理，减少设备运行能耗。
环境适应性：宽温工作范围（-25°C至+70°C），适合工业现场恶劣环境。
WEIDMULLER 8540180000 Product Introduction
I.Product Overview
WEIDMULLER 8540180000 is a high-performance analog signal isolator,which belongs to the WAS5 series of isolators of Weidmuller(WEIDMULLER),mainly used for analog signal isolation and conversion in the field of industrial automation and process control.The device effectively suppresses common-mode and differential-mode interference through electrical isolation technology to ensure the stability and accuracy of signal transmission.
II.Technical Parameters
Signal type:supports 0-20mA/0-20mA isolation,compatible with analog current/voltage signals(such as 0-10V,4-20mA).
Power supply requirements:24V DC power supply,rated voltage 300V,overvoltage level III.
Installation method:DIN rail installation,the size meets industrial standards and is easy to integrate.
Protection performance:
Impact resistance 6kV,pollution level 2.
Electrical clearance and creepage distance≥5.5mm,insulation voltage 4kV(5 seconds).
Certification standards:
Comply with EMC standards(EN 55011,EN 61000-6),with strong anti-electromagnetic interference ability.
Passed relevant certification of the International Electrotechnical Commission(IEC).
III.Functional features
Signal isolation and conversion:
Achieve complete isolation of input and output circuits to prevent common mode interference from affecting system stability.
Support linear isolation and proportional scaling of analog signals,suitable for sensor signal processing of different ranges.
Industrial compatibility:
Compatible with other analog processing products of Weidmuller(such as temperature transmitters,isolation transformers),forming a complete signal chain.
The output signal can be directly connected to control systems such as PLC and DCS,and supports industrial protocols such as Modbus and Profibus.
High reliability:
Long life design,can withstand 2.5mm²wire under rated connection,crimping range 0.5-2.5mm².
Screw connection structure,easy operation and excellent seismic performance.
IV.Application scenarios
Industrial process control:Isolation and transmission of sensor signals in chemical,electric power,metallurgy and other industries.
Temperature measurement system:As a supporting device for temperature transmitters,it converts thermal resistor or thermocouple signals into standard current/voltage signals.
Safety protection:In high voltage or high interference environments,it prevents signal loops from damaging the control system.
V.Design advantages
Modular design:supports expansion of other Weidmuller products and simplifies system integration complexity.
Low power consumption:optimizes power management and reduces equipment operation energy consumption.
Environmental adaptability:wide temperature operating range(-25°C to+70°C),suitable for harsh environments in industrial sites.
