描述
ULTRA SLIMPAK G448-0002隔离放大器是一款高性能工业信号隔离放大器，专为电桥或应变仪输入应用设计，广泛应用于工业自动化、过程控制及高精度测量系统。以下是其核心功能、技术参数及应用场景的综合分析：
1.概述
该模块采用DIN导轨安装，支持输入、输出与电源之间的1800VDC隔离，有效防止接地回路干扰，并通过滤波功能降低毫伏级小信号的噪声影响。其灵活的输入/输出配置和高精度调节能力，使其成为称重系统、SCADA保护及工业控制系统中的关键组件。
2.核心功能
（1）信号隔离与放大
隔离保护：三路独立隔离设计，可消除来自电源或接地回路的干扰，保护昂贵的SCADA系统免受接地故障损害。
信号放大：支持电桥或应变仪输入，输入范围从0.5mV/V至50mV/V以上，通过11个输入范围开关和微调电位器，可实现±50%的零点和量程调节，适应不同传感器需求。
（2）灵活的输出设置
标准信号输出：支持0-5V、0-10V、0-1mA、0-20mA或4-20mA等工业标准信号，便于与PLC、DCS或其他设备集成。
双极输入范围配置：可轻松实现称重系统死负载清零或双极信号处理，例如将输入范围设置为100-200mV。
（3）诊断与监控
LED指示功能：绿色LED显示直流电源和输入信号状态，若信号超出满量程±10%，LED将以4Hz（低限）或8Hz（高限）闪烁报警，便于快速定位异常。
3.技术参数
隔离电压：输入/输出/电源间1800VDC隔离。
电源输入：18-30VDC（典型24VDC），支持宽范围供电。
激励电压：内置10V激励源（可选）。
防护等级：IP20，适应工业环境安装要求。
4.应用领域
工业自动化：用于压力、温度传感器信号隔离放大，提升控制系统稳定性。
称重系统：解决死负载清零问题，提高称量精度。
轨道交通/船舶：监测动态载荷、振动等毫伏级信号，增强系统抗干扰能力。
SCADA保护：隔离现场信号，防止接地故障影响主控系统。
5.优势特点
高精度调节：零点和量程微调电位器支持±50%范围调节，满足复杂信号匹配需求。
模块化设计：DIN导轨安装，便于扩展与维护。
宽范围兼容性：适配多种传感器类型，减少系统设计复杂度。
ULTRA SLIMPAK G448-0002 isolation amplifier is a high-performance industrial signal isolation amplifier designed for bridge or strain gauge input applications and is widely used in industrial automation,process control and high-precision measurement systems.The following is a comprehensive analysis of its core functions,technical parameters and application scenarios:
1.Overview
The module is installed on a DIN rail and supports 1800VDC isolation between input,output and power supply,effectively preventing ground loop interference and reducing the noise impact of millivolt-level small signals through filtering.Its flexible input/output configuration and high-precision adjustment capabilities make it a key component in weighing systems,SCADA protection and industrial control systems.
2.Core functions
(1)Signal isolation and amplification
Isolation protection:Three-way independent isolation design can eliminate interference from power supply or ground loops,protecting expensive SCADA systems from ground fault damage.
Signal amplification:supports bridge or strain gauge input,with an input range from 0.5mV/V to more than 50mV/V.Through 11 input range switches and fine-tuning potentiometers,±50%zero and range adjustment can be achieved to meet the needs of different sensors.
(2)Flexible output settings
Standard signal output:supports industrial standard signals such as 0-5V,0-10V,0-1mA,0-20mA or 4-20mA,which is convenient for integration with PLC,DCS or other devices.
Bipolar input range configuration:can easily realize dead load zeroing or bipolar signal processing of weighing system,such as setting the input range to 100-200mV.
(3)Diagnosis and monitoring
LED indication function:The green LED displays the status of DC power supply and input signal.If the signal exceeds the full scale by±10%,the LED will flash at 4Hz(low limit)or 8Hz(high limit)to alarm,which is convenient for quick location of abnormalities.
3.Technical parameters
Isolation voltage:1800VDC isolation between input/output/power supply.
Power input:18-30VDC(typically 24VDC),supports wide range power supply.
Excitation voltage:built-in 10V excitation source(optional).
Protection level:IP20,adapted to industrial environment installation requirements.
4.Application areas
Industrial automation:used for pressure and temperature sensor signal isolation and amplification to improve control system stability.
Weighing system:solve the dead load zeroing problem and improve weighing accuracy.
Railway transportation/ship:monitor millivolt-level signals such as dynamic loads and vibrations to enhance the system’s anti-interference ability.
SCADA protection:isolate field signals to prevent ground faults from affecting the main control system.
5.Advantages and features
High-precision adjustment:zero point and range fine-tuning potentiometers support±50%range adjustment to meet complex signal matching requirements.
Modular design:DIN rail installation for easy expansion and maintenance.
Wide range compatibility:adapt to a variety of sensor types to reduce system design complexity.
