Turck Tx-Rs485 Control Accessories 100002598 MSRP: Now: $298.10 Was: TX HMI/PLC Series, Plug-In Module, Plug-in expansion module for use with HMIs of the TX500 and TX700 product series, RS485 / RS422 interface, Galvanically isolated, 9-pin SUB-D female connector, With... TX-RS485