Siemens 6ES7155-6AA01-0BN0 Interface Module

Siemens 6ES7155-6AA01-0BN0: SIMATIC ET 200SP IM 155-6PN Standard Interface Module

The Siemens 6ES7155-6AA01-0BN0 (IM 155-6PN Standard) is a versatile, high-reliability PROFINET interface module for the SIMATIC ET 200SP distributed I/O system. Engineered for standard industrial automation tasks, this module connects up to 32 local ET 200SP I/O modules to a central PLC over a PROFINET IO network.

With support for flexible BusAdapter connections, real-time (RT) communication, and media redundancy (MRP), the IM 155-6PN ST delivers an optimal balance of cost efficiency, network flexibility, and dependable fieldbus performance.

Key Technical Specifications

• Part Number: 6ES7155-6AA01-0BN0

• Product Type: SIMATIC ET 200SP Interface Module IM 155-6PN ST (Standard)

• Protocol Support: PROFINET IO (RT mode), Shared Device, Media Redundancy Protocol (MRP)

• Maximum I/O Capacity: Up to 32 I/O modules per station

• Address Space: Max. 256 Bytes for input data / 256 Bytes for output data

• Supply Voltage: 24 V DC (19.2 V DC to 28.8 V DC operating range)

• BusAdapter Interface: Compatible with BA 2xRJ45, BA 2xFC, and BA 2xSCRJ (sold separately)

• Included Accessories: Comes standard with the server module (6ES7193-6PA00-0AA0)

• Isochronous Mode: Not supported (available on HF variant)

• Hot Swapping: Single module replacement supported during operation

• Dimensions (W x H x D): 50 mm x 117 mm x 74 mm

Key Features and Industrial Benefits

Flexible BusAdapter Network Connection

Adapt seamlessly to different industrial network cabling standards. By pairing the module with a Siemens BusAdapter, you can connect using standard RJ45 connectors, direct FastConnect (FC) cabling, or fiber optics (SCRJ) without replacing the core head unit.

Media Redundancy Protocol (MRP)

Increase system availability and guard against cable break failures. The module supports ring topology setups via MRP, allowing network traffic to automatically reroute within milliseconds if a physical cable link fails.

Scalable 32-Module Expansion

Expand your control cabinet capabilities as needed. The Standard interface module supports up to 32 ET 200SP peripheral modules, making it suitable for medium-sized control applications and remote control stations.

Efficient Diagnostics & Maintenance

Integrated system diagnostics report bus status, module status, and line errors clearly to the master PLC and TIA Portal, minimizing system troubleshooting time and operational downtime.

Applications

• Factory automation systems utilizing Siemens S7-1200, S7-1500, or S7-300 PLCs

• Packaging lines, conveyor networks, and material processing equipment

• Standalone OEM machinery and automated assembly stations

• Remote industrial control panels requiring flexible network topologies