<![CDATA[EC21 Product Catalogs - rs485 rtu]]> <![CDATA[RS485 with Extension IO Wireless Data Acquisition RTU for Bridge Monitoring and Control]]> <![CDATA[G0310 Modbus Protocol Supported RS485/RS232/TTL To HART Protocol 4-20ma Analog External Gateway]]> <![CDATA[RS485 Smart Park IO Remote Ethernet Data Acquisition Module M120T]]> <![CDATA[8 Digital Input 4 Digital Output 4 Analog Input Ethernet Remote IO Module for Industrial Automation]]> <![CDATA[Siemens]]>