GE SR469-P5-HI-A20 电机管理继电器

Description

GE SR469-P5-HI-A20电机管理继电器技术参数中文介绍

GE SR469-P5-HI-A20电机管理继电器是一款专为电机系统设计的保护与控制设备，具备高精度温度监测和全面的保护功能，适用于中大型工业电机。以下是其核心参数及功能详解：

一、SR469-P5-HI-A20 RTD温度监测功能

• 多通道输入：支持多路RTD（电阻温度检测器）输入，可实时监测电机各关键部位的温度。
• 传感器类型：兼容100欧姆镍、120欧姆镍、10欧姆铜、100欧姆铂等多种类型RTD传感器，满足不同精度和场景需求。
• 最热点检测：通过多通道数据采集，可精准定位电机系统的最高温度点，避免局部过热导致的设备损坏。

二、SR469-P5-HI-A20 电气参数

• 控制电源：支持90-300VDC或70-265VAC宽范围输入，频率48-62Hz，适应不同工业电源环境。
• 模拟输出：提供4-20mA模拟信号输出，可与PLC、DCS等控制系统无缝集成，实现远程监控。
• 电流测量：内置5A相位CT次级输入，支持精确的电流监测，确保过载、短路等故障的快速响应。

三、SR469-P5-HI-A20 保护功能

• 热保护：基于RTD温度数据，实现电机绕组、轴承等部位的热过载保护，防止高温损坏。
• 电气保护：支持过流、欠压、过压、缺相、接地故障等保护功能，全面覆盖电机运行风险。
• 定制化逻辑：用户可通过EnerVista 469软件自定义保护逻辑和跳闸阈值，适应不同电机特性。

四、SR469-P5-HI-A20 通信与接口

• 协议支持：兼容Modbus RTU、Modbus TCP/IP等主流通信协议，支持与上位机系统数据交互。
• 端口配置：配备RS232/RS485通信端口，可选配以太网接口，满足不同网络架构需求。
• 数据记录：内置事件记录和波形捕获功能，支持故障发生时的数据存储与追溯分析。

五、环境适应性

• 防护等级：IP20防护设计，适用于室内工业环境。
• 工作温度：支持-40°C至+60°C宽温运行，存储温度范围-40°C至+80°C，适应极端气候条件。
• 防护涂层：可选配化学环境防护涂层，增强在腐蚀性气体或高湿度环境下的可靠性。

六、机械与安装

• 紧凑设计：模块化结构，支持面板安装或19英寸机架安装，节省空间且便于维护。
• 前面板：集成40字符LCD显示屏、LED指示灯、数字键盘及编程按键，支持本地参数配置与状态显示。
• 输出继电器：配备多组可编程输出继电器，触点容量满足跳闸、报警等控制需求。

七、认证与标准

• 安全认证：通过ISO、UL、CSA、CE等国际认证，符合工业设备安全与电磁兼容性要求。
• 行业标准：遵循IEC、ANSI等国际电工标准，确保与全球电机控制系统的兼容性。

八、应用场景

• 工业电机：适用于石化、冶金、电力等行业的中大型电机保护。
• 恶劣环境：在腐蚀性气体、高湿度或极端温度条件下，通过防护涂层和宽温设计保障可靠性。
• 系统集成：作为智能电机控制中心（MCC）的核心组件，支持与SCADA、DCS等系统联动。
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Introduction to Technical Parameters of GE SR469-P5-HI-A20 Motor Management Relay in Chinese

The GE SR469-P5-HI-A20 motor management relay is a protection and control device designed specifically for motor systems, with high-precision temperature monitoring and comprehensive protection functions, suitable for medium and large industrial motors. The following is a detailed explanation of its core parameters and functions:

1、 SR469-P5-HI-A20 RTD temperature monitoring function
Multi channel input: Supports multiple RTD (resistance temperature detector) inputs, which can monitor the temperature of key parts of the motor in real time.
Sensor types: Compatible with various types of RTD sensors such as 100 ohm nickel, 120 ohm nickel, 10 ohm copper, 100 ohm platinum, etc., to meet different precision and scene requirements.
Hotspot detection: Through multi-channel data acquisition, the highest temperature point of the motor system can be accurately located to avoid equipment damage caused by local overheating.
2、 SR469-P5-HI-A20 Electrical Parameters
Control power supply: Supports wide range input of 90-300VDC or 70-265VAC, with a frequency of 48-62Hz, suitable for different industrial power supply environments.
Analog output: Provides 4-20mA analog signal output, which can be seamlessly integrated with control systems such as PLC and DCS to achieve remote monitoring.
Current measurement: Built in 5A phase CT secondary input, supports accurate current monitoring, ensuring fast response to faults such as overload and short circuit.
3、 SR469-P5-HI-A20 protection function
Thermal protection: Based on RTD temperature data, thermal overload protection is implemented for motor windings, bearings, and other parts to prevent high temperature damage.
Electrical protection: supports protection functions such as overcurrent, undervoltage, overvoltage, phase loss, and grounding faults, fully covering the risks of motor operation.
Customized logic: Users can customize protection logic and trip thresholds through EnerVista 469 software to adapt to different motor characteristics.
4、 SR469-P5-HI-A20 Communication and Interface
Protocol support: Compatible with mainstream communication protocols such as Modbus RTU and Modbus TCP/IP, and supports data exchange with upper computer systems.
Port configuration: Equipped with RS232/RS485 communication ports and optional Ethernet interfaces to meet different network architecture requirements.
Data recording: Built in event recording and waveform capture functions, supporting data storage and traceability analysis when faults occur.
5、 Environmental adaptability
Protection level: IP20 protection design, suitable for indoor industrial environments.
Working temperature: Supports wide temperature operation from -40 ° C to+60 ° C, with a storage temperature range of -40 ° C to+80 ° C, suitable for extreme weather conditions.
Protective coating: Chemical environmental protective coating can be optionally selected to enhance reliability in corrosive gases or high humidity environments.
6、 Mechanical and Installation
Compact design: Modular structure, supports panel installation or 19 inch rack installation, saves space and is easy to maintain.
Front panel: Integrated 40 character LCD display screen, LED indicator lights, numeric keypad, and programming keys, supporting local parameter configuration and status display.
Output Relay: Equipped with multiple sets of programmable output relays, the contact capacity meets control requirements such as tripping and alarm.
7、 Certification and Standards
Safety certification: Through international certifications such as ISO, UL, CSA, CE, etc., it meets the requirements of industrial equipment safety and electromagnetic compatibility.
Industry standards: Adhere to international electrical standards such as IEC and ANSI to ensure compatibility with global motor control systems.
8、 Application scenarios
Industrial motors: suitable for protecting medium and large motors in industries such as petrochemicals, metallurgy, and power.
Harsh environment: Reliability is guaranteed through protective coatings and wide temperature design under corrosive gases, high humidity, or extreme temperature conditions.
System integration: As the core component of the Intelligent Motor Control Center (MCC), it supports linkage with SCADA, DCS and other systems.