3 port RS-232/RS485 mod

3-port RS-232/RS-422/RS-485 serial I/O module, for Do-more H2 series PLCs, WinPLC, or an H2-EBC100 based system connected to a PC. Includes (2) RS-232 ports, (1) RS-422 or RS-485 port (2-wire or 4-wire); allows connection of a wide range of serial devices, such as barcode scanners, scales, printers, modems, etc. See appropriate H2-DM-M or H2-WPLC-M manual for module usage (free download or purchase separately). (Not compatible with DL205 series PLCs.)