cartridge M221 - conveying 1 serial line - I/O extension This product is part of the Modicon M221 range, an offer of programmable logic controllers for hardwired architectures. This application cartridge is an option for Modicon M221C logic controller. It provides a serial link port for conveying application. The non isolated serial link type is Modbus master - slave. This product requires minimal installation and offers tremendous versatility. The serial line can be configured with Modbus RTU, Modbus ASCII or ASCII protocols. There is no insulation between lines and internal logic. It is equipped with non removable screw terminal for electrical connection. Its dimensions are 35mm (Width) x 15mm (Depth) x 41mm (Height). It weighs 0.015kg. This product is certified by CE, IACS E10, CSA, RCM, LR, ABS, DNV-GL, EAC and CULus. It meets EN/IEC 61010-2-201, EN/IEC 61131-2 and EN/IEC 60664-1 standards. This cartridge is compatible with Modicon M221C PLC.