Siemens SIMATIC ET 200SP PROFINET Interface Module IM 155-6 PN ST 6ES71556AA020BN0

With dual PROFINET ports and integrated switch, this interface module delivers 100 Mbit/s real-time communication for SIMATIC ET 200SP distributed I/O systems.

Overview

The Siemens 6ES7155-6AA02-0BN0 is a PROFINET IO interface module for the SIMATIC ET 200SP system. It connects the ET 200SP I/O modules to a PROFINET network, supporting both controller and device functionality. The module features two RJ45 ports with an integrated 2-port switch, enabling line or star topologies without additional components.

What stands out

• Dual PROFINET ports with integrated switch for flexible network topologies
• Supports PROFINET IO controller and device roles
• Media Redundancy Protocol (MRP) for increased network availability
• Shared device functionality allows multiple controllers to access the same I/O
• Integrated web server for diagnostics and status monitoring
• Hot-swappable modules for maintenance without system downtime

Technical details

• Communication protocol: PROFINET IO
• Data transfer rate: 100 Mbit/s
• Supply voltage: 24 V DC
• Current consumption from backplane bus: 300 mA (typical)
• Power loss: 2.5 W (typical)
• Max. connectable I/O modules: 64
• Max. periphery address range: 1440 bytes input / 1440 bytes output
• Operating temperature: 0 to 60 °C
• Mounting: DIN rail
• Configuration software: TIA Portal

Our verdict

The IM 155-6 PN ST is a robust and versatile PROFINET interface for ET 200SP, offering advanced networking features and easy integration in industrial automation environments.