描述
一、产品定位与核心优势
1.品牌与产品线归属
INTERFACE（接口设备专业厂商）：
AZI-250201是INTERFACE品牌旗下高可靠性工业信号隔离转换模块系列中的一款多通道模拟量输入/输出（AI/AO）隔离器，专注于解决工业现场信号干扰、电位差、接地环路等问题。
核心优势：
全隔离设计：输入/输出/电源三隔离，隔离电压≥2500 VAC，有效阻断共模干扰。
多通道集成：支持4路模拟量输入（AI）或2路模拟量输出（AO）（可灵活配置），减少机柜空间占用。
高精度信号处理：转换精度±0.1%FS，线性度≤0.05%，适用于精密测量与控制。
宽环境适应性：工作温度-40℃~85℃，防护等级IP40，抗振动/冲击，适合户外或恶劣工业现场。
2.典型应用场景
工业自动化控制：
PLC/DCS系统信号隔离：将传感器（如温度、压力、流量）的4-20 mA/0-10 V信号隔离后传输至控制器，避免地线环路导致的信号漂移。
执行器信号驱动：将控制器输出的弱电信号（如0-5 V）隔离放大为4-20 mA标准信号，驱动阀门、变频器等执行机构。
能源管理：
电力参数监测：隔离采集电流互感器（CT）输出的5 A信号，转换为4-20 mA或0-10 V信号供电能表或SCADA系统使用。
光伏/风电系统：隔离传输逆变器输出的直流电压/电流信号，防止高压侧干扰影响控制单元。
过程控制：
化工、制药行业：隔离反应釜温度、压力信号，确保控制回路稳定性，避免危险区域信号干扰。
水处理系统：隔离液位、pH值传感器信号，防止腐蚀性环境对控制设备的损害。
二、技术参数详解
1.基础规格
参数类别规格详情
型号INTERFACE AZI-250201
系列AZI-250系列（高精度模拟量隔离转换模块）
安装方式DIN 35mm导轨安装
通道配置4路模拟量输入（AI）或2路模拟量输出（AO）（通过跳线或软件配置）
信号类型电流：4-20 mA、0-20 mA、0-5 mA
电压：0-10 V、0-5 V、±10 V、±5 V
隔离方式输入/输出/电源三隔离（光耦+磁隔离复合技术）
隔离电压2500 VAC（1分钟，50 Hz）（输入-输出-电源间）
2.电气参数
参数类别规格详情
输入电阻电流输入：250Ω（4-20 mA时）
电压输入：≥100 kΩ（0-10 V时）
输出负载能力电流输出：≤500Ω（4-20 mA时）
电压输出：≥2 kΩ（0-10 V时）
精度±0.1%FS（典型）
温度漂移：±50 ppm/℃（满量程）
线性度≤0.05%FS
响应时间电流信号：≤100 ms（10%-90%步进）
电压信号：≤200 ms（10%-90%步进）
电源要求24 VDC（±20%），功耗≤3 W（满载）
3.环境与可靠性
参数类别规格详情
工作温度-40℃~85℃（工业级）
存储温度-55℃~105℃
湿度5~95%RH（无凝露）
振动抗性5~500 Hz，5 g（随机振动，IEC 60068-2-64）
冲击抗性50 g，11 ms（半正弦波，IEC 60068-2-27）
防护等级IP40（防直径1 mm以上固体侵入）
MTBF>150,000小时（25℃恒定负载，Telcordia SR-332标准）
认证标准CE、UL 508A、ATEX Zone 2（可选）、RoHS
三、功能特性解析
1.全隔离信号处理
输入隔离：
将现场传感器信号与模块内部电路完全隔离，防止高压脉冲或雷击损坏控制设备。
输出隔离：
将模块输出信号与负载设备隔离，避免负载侧干扰反灌至控制回路。
电源隔离：
模块电源与输入/输出信号隔离，防止电源噪声影响信号精度。
2.灵活的信号配置
通道模式切换：
通过DIP开关或软件将4路AI通道配置为2路AO通道，适应不同控制需求。
信号类型选择：
支持电流/电压信号自由切换，无需额外接线或硬件修改。
量程校准：
通过前端按钮或上位机软件进行零点/满量程校准，补偿传感器线性误差。
3.高可靠性设计
过压/过流保护：
输入/输出端集成TVS二极管和自恢复保险丝，防止误接线或短路导致的模块损坏。
反接保护：
电源端支持极性反接保护，避免误插电源导致模块烧毁。
冗余电源设计：
可选配双电源输入，实现电源冗余备份，提高系统可用性。
1.Product positioning and core advantages
1.Brand and product line ownership
INTERFACE(interface equipment professional manufacturer):
AZI-250201 is a multi-channel analog input/output(AI/AO)isolator in the high-reliability industrial signal isolation conversion module series under the INTERFACE brand,focusing on solving problems such as signal interference,potential difference,and ground loops in industrial sites.
Core advantages:
Fully isolated design:input/output/power supply three isolations,isolation voltage≥2500 VAC,effectively blocking common mode interference.
Multi-channel integration:supports 4 analog inputs(AI)or 2 analog outputs(AO)(flexibly configurable),reducing cabinet space occupation.
High-precision signal processing:conversion accuracy±0.1%FS,linearity≤0.05%,suitable for precision measurement and control.
Wide environmental adaptability:working temperature-40℃~85℃,protection level IP40,vibration/shock resistance,suitable for outdoor or harsh industrial sites.
2.Typical application scenarios
Industrial automation control:
PLC/DCS system signal isolation:Isolate the 4-20 mA/0-10 V signal of the sensor(such as temperature,pressure,flow)and transmit it to the controller to avoid signal drift caused by ground loop.
Actuator signal drive:Isolate and amplify the weak current signal(such as 0-5 V)output by the controller into a 4-20 mA standard signal to drive actuators such as valves and inverters.
Energy management:
Power parameter monitoring:Isolate and collect the 5 A signal output by the current transformer(CT)and convert it into a 4-20 mA or 0-10 V signal for the energy meter or SCADA system.
Photovoltaic/wind power system:Isolate and transmit the DC voltage/current signal output by the inverter to prevent interference from the high-voltage side from affecting the control unit.
Process control:
Chemical and pharmaceutical industries:Isolate the temperature and pressure signals of the reactor to ensure the stability of the control loop and avoid signal interference in hazardous areas.
Water treatment system:Isolate liquid level and pH sensor signals to prevent damage to control equipment from corrosive environments.
2.Detailed explanation of technical parameters
1.Basic specifications
Parameter category Specification details
Model INTERFACE AZI-250201
Series AZI-250 series(high-precision analog isolation conversion module)
Installation method DIN 35mm rail installation
Channel configuration 4 analog inputs(AI)or 2 analog outputs(AO)(configured by jumpers or software)
Signal type Current:4-20 mA,0-20 mA,0-5 mA
Voltage:0-10 V,0-5 V,±10 V,±5 V
Isolation method Input/output/power supply three-way isolation(optical coupler+magnetic isolation composite technology)
Isolation voltage 2500 VAC(1 minute,50 Hz)(between input-output-power supply)
2.Electrical parameters
Parameter category Specification details
Input resistance Current input:250Ω(at 4-20 mA)
Voltage input:≥100 kΩ(at 0-10 V)
Output load capacity Current output:≤500Ω(at 4-20 mA)
Voltage output:≥2 kΩ(at 0-10 V)
Accuracy±0.1%FS(typical)
Temperature drift:±50 ppm/℃(full scale)
Linearity≤0.05%FS
Response time Current signal:≤100 ms(10%-90%step)
Voltage signal:≤200 ms(10%-90%step)
Power requirement 24 VDC(±20%),power consumption≤3 W(full load)
3.Environment and reliability
Parameter category Specification details
Operating temperature-40℃~85℃(industrial grade)
Storage temperature-55℃~105℃
Humidity 5~95%RH(non-condensing)
Vibration resistance 5~500 Hz,5 g(random vibration,IEC 60068-2-64)
Shock resistance 50 g,11 ms(half-sine wave,IEC 60068-2-27)
Protection level IP40(proof against solid intrusion with a diameter of more than 1 mm)
MTBF>150,000 hours(25°C constant load,Telcordia SR-332 standard)
Certification standards CE,UL 508A,ATEX Zone 2(optional),RoHS
III.Functional characteristics analysis
1.Fully isolated signal processing
Input isolation:
Completely isolate the field sensor signal from the internal circuit of the module to prevent high voltage pulses or lightning from damaging the control equipment.
Output isolation:
Isolate the module output signal from the load device to avoid load-side interference backflow to the control loop.
Power supply isolation:
Isolate the module power supply from the input/output signal to prevent power supply noise from affecting signal accuracy.
2.Flexible signal configuration
Channel mode switching:
Configure 4 AI channels as 2 AO channels through DIP switches or software to meet different control requirements.
Signal type selection:
Supports free switching of current/voltage signals without additional wiring or hardware modification.
Range calibration:
Perform zero/full scale calibration through the front-end button or host computer software to compensate for sensor linearity error.
3.High reliability design
Overvoltage/overcurrent protection:
TVS diodes and self-recovery fuses are integrated at the input/output to prevent module damage caused by miswiring or short circuit.
Reverse connection protection:
The power supply supports reverse polarity protection to avoid module burnout caused by misplugging the power supply.
Redundant power supply design:
Optional dual power supply input to achieve power supply redundancy backup and improve system availability.
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