Siemens 6ES7277-0AA22-0XA0 Profibus DP Module 6ES72770AA220XA0

Description:

The Siemens 6ES7277-0AA22-0XA0 PROFIBUS DP module is used in SIMATIC S7-200 PLC communication systems. Commonly installed in distributed automation systems, manufacturing lines, and process control networks. Maintenance teams, OEMs, and system integrators use this part for replacement, retrofit, and reliable PLC-to-network communication integration.

Applications:

The Siemens 6ES7277-0AA22-0XA0 (EM277) is used to connect S7-200 PLCs to PROFIBUS DP networks, enabling communication with distributed I/O, HMIs, and other controllers. It is widely applied in manufacturing systems, material handling, and process automation where synchronized data exchange, remote I/O control, and networked automation architectures are required.

Technical Specifications:

• Manufacturer Part Number (MPN): 6ES7277-0AA22-0XA0
• Product Type: PROFIBUS DP Slave Module / Communication Module
• Series: SIMATIC S7-200 (EM277)
• Communication Interface: PROFIBUS-DP / MPI
• Data Transfer Rate: 9.6 kbps to 12 Mbps
• Supply Voltage: 20.4–28.8 V DC
• Current Consumption: 30–180 mA typical
• Number of Ports: 1 PROFIBUS interface
• Mounting Type: DIN rail
• Dimensions: Approx. 90 × 70 × 65 mm
• Weight: Approx. 0.15 kg
• Product Status: Discontinued (lifecycle ended)

Common Replacements:

• Siemens 6ES7277-0AA21-0XA0
• Siemens 6ES7241-1AA22-0XA0
• Siemens 6GK1503-3CB00 PROFIBUS Communication Module