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点击图片查看原图一、概述
LU-GK开关量信号隔离器，适用于连接现场的开关或接近开关等，通过隔离，以继电器触电、晶体管电平信号等输出方式传送至控制系统或其它单元组合仪表。
该隔离器采用独立直流电源供电，电源－输入－输出之间隔离。
二、技术参数
● 输入
输入类型：开关，NAMUR型符合DIN19234标准接近开关
输入供电：7~9V（开路，1KΩ内阻）
短路电流：约8mA
动作特性：输入电流>2.1mA或输入电阻<2K，输出闭合，黄色指示灯亮。
输入电流<1.2mA或输入电阻>10K，输出开路，黄色指示灯灭。
● 输出
A.继电器输出：2A/30VDC或0.5A/125VAC
响应时间：≤10ms
B.晶体管输出：外部供电电压≤40V
驱动输出电流：≤40mA
响应时间：≤1ms
● 电源
电源电压：20~35VDC
电源保护：反接保护、过压过流保护
电流损耗：≤42mA（24V）
● 综合技术参数
面板开关功能：
|
状态 |
通道1 |
通道2 |
||
|
K3 |
K4 |
K1 |
K2 |
|
|
ON |
有故障检测 |
逻辑 正向 |
有故障检测 |
逻辑 正向 |
|
OFF |
无故障检测 |
逻辑 反向 |
无故障检测 |
逻辑 反向 |
绝缘电阻：≥100MΩ
绝缘强度：1500VAC；1min
使用温度：-20~+60℃
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