SIEMENS 6ES7151-1AA00-0AB0

Siemens SIMATIC ET 200S Interface Module

Description

The Siemens 6ES7151-1AA00-0AB0 is a standard interface module (IM151-1) for the highly versatile SIMATIC ET 200S distributed I/O system. This module acts as the head-end station, connecting the I/O modules on its backplane to a central controller via PROFIBUS-DP communication protocol. It is an essential component for installations requiring a robust and modular I/O solution. Although obsolete, it remains a critical spare part for maintaining countless existing automation systems worldwide. Order now from spareparts2day for expert support and fast delivery.

Specifications

• Manufacturer: Siemens
• Product Line: SIMATIC DP, ET 200S
• Model: IM151-1 Standard
• Part Number: 6ES7151-1AA00-0AB0
• Supply Voltage: 24V DC
• Communication Protocol: PROFIBUS-DP
• Transmission Rate: Up to 12 Mbit/s
• Max. I/O Modules: 63
• Address Area: 244 bytes inputs / 244 bytes outputs

Label Info

• Order No.: 1P 6ES7 151-1AA00-0AB0
• Serial No.: S C-L0136576
• Firmware: E-Stand:06

Application

This module is typically used in manufacturing, process control, and building automation to connect sensors, actuators, and other field devices to a central PLC. Its modular design allows for flexible system configuration and easy expansion.

Country of Origin

Made in Germany.

CO2 Impact

By purchasing this pre-owned module, you help avoid the 6 kg of CO2 emissions associated with manufacturing a new one. This is comparable to the emissions from a 30 km car journey.

Availability

This product is an obsolete but available spare part. Stock is limited.

FAQ

Is this IM151-1 module compatible with modern TIA Portal projects?

No, this module is from the classic SIMATIC Step 7 era. It is configured using Step 7 V5.x or older tools. It is not natively supported in TIA Portal, which is designed for newer hardware like the ET 200SP series.

What is the maximum number of I/O modules I can connect to this IM151-1?

The IM151-1 Standard can manage up to 63 I/O modules, with a maximum address space of 244 bytes for inputs and 244 bytes for outputs.

My existing IM151-1 module has a different E-Stand (firmware version). Can I replace it with this E-Stand 06 unit?

Generally, a higher E-Stand can replace a lower one without issues, as it includes bug fixes. However, always consult your machine’s documentation. Replacing a higher version with a lower one might lead to a loss of functionality. This E-Stand 06 is a relatively mature version.

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Last Update: Friday, March 13, 2026