描述
产品简要说明
ALSTOM P/N 400004 RELAY-500 OHM是阿尔斯通（Alstom）推出的高精度电阻型继电器，专为电力系统与工业自动化场景设计，核心特性包括：
电阻值精度：500Ω±1%
电流检测范围：支持0-10A连续检测
环境适应性：IP65防护等级，耐受-30°C至+70°C工作温度
产品详细说明
1.硬件架构与核心参数
电阻特性设计
电阻材料：采用锰铜合金，温度系数<10ppm/°C
功率容量：连续工作功率≤5W（10A负载）
电气隔离：输入/输出端隔离电压3000V
信号处理能力
检测模式：
支持分流式电流检测（通过500Ω电阻分压）
可编程阈值触发（0.1A-10A可调）
输出逻辑：
继电器触点容量2A/250V AC
响应时间<5ms
通信与扩展
接口类型：
2×DI（数字量输入，用于外部信号复位）
1×RS-485（支持Modbus RTU协议）
安装方式：DIN35导轨式安装
2.功能特性与工业适配
过载保护机制
动态调节：
根据电流实时值自动触发继电器断开
支持延迟触发（0.1s-60s可配置）
故障记录：
存储最近10次过载事件日志（时间戳+电流值）
环境适应性优化
温度补偿：
内置NTC热敏电阻，自动补偿锰铜电阻的温度漂移
抗干扰设计：
符合EN 50082-2标准（4级抗电磁干扰）
电源端浪涌抑制（8/20μs脉冲，4kV）
3.行业应用案例
电力系统：
用于变电站直流屏母线电流监测（案例：德国某核电站备用电源系统）
轨道交通：
列车牵引逆变器过流保护模块（案例：法国TGV高铁辅助电源）
工业自动化：
焊接设备电流闭环控制（案例：日本某汽车制造厂电阻焊机）
SCYC55830 58063282A
Product brief description
ALSTOM P/N 400004 RELAY-500 OHM is a high-precision resistance relay launched by Alstom,designed for power systems and industrial automation scenarios.The core features include:
Resistance value accuracy:500Ω±1%
Current detection range:Supports continuous detection of 0-10A
Environmental adaptability:IP65 protection level,withstands-30°C to+70°C operating temperature
Product details
1.Hardware architecture and core parameters
Resistance characteristics design
Resistance material:Manganese-copper alloy,temperature coefficient<10ppm/°C
Power capacity:continuous working power≤5W(10A load)
Electrical isolation:input/output isolation voltage 3000V
Signal processing capability
Detection mode:
Support shunt current detection(via 500Ωresistor voltage division)
Programmable threshold trigger(0.1A-10A adjustable)
Output logic:
Relay contact capacity 2A/250V AC
Response time<5ms
Communication and Extension
Interface type:
2×DI(digital input,used for external signal reset)
1×RS-485(supports Modbus RTU protocol)
Installation method:DIN35 rail installation
2.Functional characteristics and industrial adaptation
Overload protection mechanism
Dynamic adjustment:
Automatically trigger the relay to disconnect according to the real-time value of the current
Support delayed triggering(0.1s-60s configurable)
Fault record:
Store the last 10 overload event logs(timestamp+current value)
Environmental adaptability optimization
Temperature compensation:
Built-in NTC thermistor,automatically compensates for the temperature drift of manganese and copper resistors
Anti-interference design:
Comply with EN 50082-2 standard(level 4 anti-electromagnetic interference)
Power supply side surge suppression(8/20μs pulse,4kV)
3.Industry application cases
Power system:
Used for DC screen bus current monitoring of substations(case:backup power system of a nuclear power plant in Germany)
Rail Transit:
Train traction inverter overcurrent protection module(case:French TGV high-speed rail auxiliary power supply)
Industrial automation:
Welding equipment current closed-loop control(case:resistance welding machine in a Japanese automobile manufacturer)
