MAIN CHARACTERISTICS range of product MODICON QUANTUM AUTO PLATFORM product or component type DIO HEAD-END ADAPTOR COMPLEMETARY CHARACTERISTICS product compatibility 140CRA21110 number of port 1 MODBUS PLUS RS485 TWISTED PAIR SINGLE COPPER transmission rate 1 MBIT S I/O words 30 I 32 O checks CHECKSUM power dissipation in W 4 W bus current requirement 780 MA module format STANDARD