TeSys U communication module for Profibus DP, to be inserted in advanced power bases LUB120, LUB320, LUB380 equipped with a BL type (24V DC) LUC control unit. It provides a 9-point SUB-D female connector for connection to Profibus DP network, a plug-in terminal block for the connection to an external power supply 24V DC, in addition with 2 x configurable logic inputs 24V DC and 1 x logic output 24V DC. On the bottom, a 3-point plug-in terminal block is provided for the local control of the starter controller, to be associated with a control terminal block LU9BN11L for a LUB base or LU9MRL for a LU2B base. It displays 3 LEDs indicating 24V voltage presence (24V=) and communication status (BF, ERR). Certified when used in conjunction with a LUB power base (IEC, UL, CSA, CCC, EAC, Marine), Green Premium compliant (RoHS/REACh).