AMIKON · SIEMENS · SIMATIC NET 6GK7443-5DX05-0XE0 CP 443-5 Extended PROFIBUS DP S7-400 / S7-400H RS-485 · 9-pin Sub-D Communication processor for the S7-400 platform. The 6GK7443-5DX05-0XE0 is specified for PROFIBUS DP master operation and supports S5-compatible PG/OP, S7 and open SEND/RECEIVE communication. PROFIBUS transfer rate 9.6 kbit/s — 12 Mbit/s Technical Specifications Core product data Communication, electrical and mechanical data — Part 1 Product type designation