Cellular IoT Gateway for Security Alarm System
蜂窝物联网网关 S475/S475E 是一款工业级、高可靠性、高稳定性和可编程远程终端单元 (RTU)。它嵌入了32位高性能微处理器MCU，内置工业蜂窝模块。它提供 8 个数字输入、6 个模拟（超高 24 位分辨率）或 PT100 电阻温度检测器 (RTD) 输入、4 个继电器输出、1 个用于监测现场温度和湿度的环境传感器输入、1 个用于连接互联网 WAN 或 LAN 的以太网 RJ45 端口， 2个RS485串口，通过Modbus RTU协议支持320个IO标签。它可以通过短信、APP、Web服务器、互联网、定时器和编程的联锁事件自动监控和操作I/O端口
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