AF-GSM400-4Gy Smart Gateway●支持串口Modbus RTU协议的数据采集,并通过Acrel Platform协议与上班车服务器通信。●它支持多达30个Modbus RTU设备的数据采集。●支持每个Modbus设备的5个寄存器地址字段的获取,每个寄存器地址范围不超过64.●它支持通过预设每个Modbus地址范围的警报地址和报警值来触发警报。每个地址字段目前最多有14个警报地址。●它支持服务器Modbus或Lora不公路的传输通信。●它支持通过固定的IP和动态域名解析来连接数据中心。通用AF-GSM是一个由Acrel Electric推出的新的4G远程无线数据采集设备。通过采用嵌入式设计,它是嵌入式TCP / IP协议栈,以及强大的微处理器芯片和内置看门狗,因此性能可靠稳定。操作和显示1.链接:两秒钟的闪烁表示它正在初始化无线模块;一秒钟的闪烁表示它是连接服务器; Normally on indicates it has been connected to the server. 2. - PSSI: 1 second of flashing signal indicates the value is less than 50%; 0.5 second of flashing signal indicates the value is greater than 50%; Normally on signal indicates the value is greater than 80%. 3. - COMM: it flashes once when there is a pack of data interacting with the download device. 4. - NET: it flashes when there is network data transmission. The interface on one side of AF-GSM300/400 is shown in Figure 1: Power input, terminal mode: DC9~30V RS485 signal input