Siemens 6ES7277-0AA22-0XA0 Profibus DP Module

Siemens 6ES7277-0AA22-0XA0 PROFIBUS DP module is a single-port DIN-rail mounted PROFIBUS DP slave interface for SIMATIC S7-200 (EM277) systems, enabling reliable PLC-to-network communication with distributed I/O, HMIs, and other controllers in distributed automation, manufacturing lines, and process control networks. It supports PROFIBUS DP / MPI communication at 9.6 kbps to 12 Mbps, operates on 20.4–28.8 V DC with typical current consumption of 30–180 mA, and provides one PROFIBUS interface. Its compact DIN-rail footprint measures approximately 90 × 70 × 65 mm and weighs about 0.15 kg. This product is discontinued; common replacements include Siemens 6ES7277-0AA21-0XA0, 6ES7241-1AA22-0XA0, and 6GK1503-3CB00 PROFIBUS Communication Module.