德国赫优讯(Hilscher)netTAP(Open Modbus TCP转串口协议3964R)协议配置手册pdf,德国赫优讯(Hilscher)netTAP(Open Modbus TCP转串口协议3964R)协议配置手册 nettap 40-EN Device with 3964R protocol +24y Ethernet Interface 3964R Interface Ethernet ● ● netTAP 40-EN ○ pen Modbus/TCP 3964R Com