描述
P+F KCD2-UT2-EX1是德国倍加福（Pepperl+Fuchs）公司推出的一款隔离式安全栅，专为本质安全型工业环境设计，适用于温度、电位器、热电偶等信号的隔离与转换。以下是其核心功能与技术参数的综合概述：
一、核心功能
隔离与限能
-隔离式设计：通过电流隔离技术将危险区信号与安全区设备物理隔离，避免能量回流，符合本质安全防爆要求（Ex d IIB T4/T5）。
-限能保护：限制输入回路电压和电流，确保危险区设备在安全能量范围内运行，防止爆炸风险。
信号转换
-输入类型：支持热电偶（B、E、J、K、N、R、S、T等）、热电阻（PT100、PT1000等）、电位器及电压信号（-100mV～100mV）。
-输出类型：标准电流信号（0/4～20mA），可配置为源或汇模式，适应不同控制系统需求。
故障检测
-线路故障（LFD）：实时监测输入回路断路或短路，并通过LED指示灯和用户配置的故障输出端报警。
-传感器烧毁检测：识别热电偶或热电阻传感器损坏，触发预设故障响应。
二、技术参数
供电与功耗
-电源电压：19～30V DC（需配合电源导轨或24V直流供电）。
-功耗：≤0.98W，适用于低功耗场景。
输入回路
-热电阻测量：支持2/3/4线制连接，引线电阻≤50Ω/线，测量电流约200μA。
-热电偶补偿：提供内部/外部冷端补偿（CJC），支持可拆卸端子块KC-CJC-**扩展。
输出回路
-电流范围：0～20mA或4～20mA，故障状态下输出0/2mA（下限）或21.5mA（上限）。
-负载能力：源模式下≤550Ω，开路电压≤18V。
安全认证
-安全完整性等级（SIL）：符合SIL 2标准（IEC 61508/61511），适用于高安全要求场景。
-防护等级：IP20，适合室内安装。.
P+F KCD2-UT2-EX1 is an isolated safety barrier launched by Pepperl+Fuchs,Germany.It is designed for intrinsically safe industrial environments and is suitable for the isolation and conversion of signals such as temperature,potentiometers,and thermocouples.The following is a comprehensive overview of its core functions and technical parameters:
I.Core functions
Isolation and energy limiting
-Isolated design:The hazardous area signal is physically isolated from the safe area equipment through current isolation technology to avoid energy backflow and meet the intrinsic safety explosion-proof requirements(Ex d IIB T4/T5).
-Energy limiting protection:Limit the input circuit voltage and current to ensure that the hazardous area equipment operates within the safe energy range to prevent explosion risks.
Signal conversion
-Input type:Supports thermocouples(B,E,J,K,N,R,S,T,etc.),thermal resistors(PT100,PT1000,etc.),potentiometers and voltage signals(-100mV~100mV).
-Output type:standard current signal(0/4~20mA),configurable as source or sink mode to meet different control system requirements.
Fault detection
-Line fault(LFD):Real-time monitoring of input circuit break or short circuit,and alarm through LED indicator and user-configured fault output terminal.
-Sensor burnout detection:Identify damage to thermocouple or thermal resistor sensor and trigger preset fault response.
2.Technical parameters
Power supply and power consumption
-Power supply voltage:19~30V DC(need to be powered by power rail or 24V DC power supply).
-Power consumption:≤0.98W,suitable for low power consumption scenarios.
Input circuit
-Thermal resistor measurement:Support 2/3/4 wire connection,lead resistance≤50Ω/wire,measurement current about 200μA.
-Thermocouple compensation:Provide internal/external cold junction compensation(CJC),support removable terminal block KC-CJC-**expansion.
Output circuit
-Current range:0~20mA or 4~20mA,output 0/2mA(lower limit)or 21.5mA(upper limit)in fault state.
-Load capacity:≤550Ωin source mode,open circuit voltage≤18V.
Safety certification
-Safety integrity level(SIL):Meets SIL 2 standard(IEC 61508/61511),suitable for scenarios with high safety requirements.
-Protection level:IP20,suitable for indoor installation.
