Detailed Description: Schneider Electric / Square D PROFIBUS DP Communication slave module features one SUB-D 9 pins female connector and one screw for functional ground connection termination. It incorporates Profibus DP V1 and Profibus DP V0 communication ports. It measures 3.54 Inch x 3.54 Inch x 0.99 Inch. It is compatible with Modicon M251 logic controller and Modicon M241 logic controller. It has IP20 rated degree of protection. Module is cULus listed, CE marked and meets EN/IEC 61131-2, UL 508, EIA-485, C-Tick standards.