MAIN CHARACTERISTICS range of product MODICON M221 product or component type SERIAL LINE CARTRIDGE product compatibility MODICON M221C COMPLEMETARY CHARACTERISTICS integrated connection type non isolated serial link for screw terminal block (RS232) transmission rate 1.2...115.2 kbit/s (115.2 kbit/s by default), bus length = 15 m (RS485) communication port protocol Modbus non isolated serial link for master/slave (RTU/ASCII or SoMachine-Network) insulation non-insulated between lines and internal logic height 41 MM depth 15 MM width 35 MM product weight 0.015 KG