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Siemens 6ES7155-6AU01-0BN0

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Part Number6ES7155-6AU01-0BN0
TypeInterface Modules
Model #6ES71556AU010BN0
Warranty2 Year
Rated Current Consumption450 mA
Max current comsumption550 mA
Max inrush current3.7 A
Power loss1.9 W
Rated supply voltage24 V
Hardware configurationRack
Submodules per station256
Interface TypesProfinet, RJ45
Interface ports2 (switch)
BusAdapterBA 2x RJ45, BA 2x FC
ProtocolsProfinet I/O, Open IE Communication, Media redundancy
Open IE communicationTCP/IP, SNMP, LLDP

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MRO can restore your failed 6ES7155-6AU01-0BN0 to remanufactured condition and save you up to 75% compared to buying new. We offer standard repair pricing to ensure you the best value for your repair.

Our certified technicians use rigorous testing procedures to ensure your parts are restored to fully functioning condition. Our team proudly stands behind all repairs by providing a minimum 2-year warranty.

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  • Shipping Weight : 1lb

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Siemens 6ES7155-6AU01-0BN0 Overview

SIMATIC ET 200SP, PROFINET Interface Module (6ES7155-6AU01-0BN0)


The 6ES7155-6AU01-0BN0 is a PROFINET interface module from Siemens’ SIMATIC ET 200SP series. It is designed to support a range of I/O modules, offering integration and efficiency in industrial networking setups. This module comes with a server module (6ES7193-6PA00-0AA0).


  • General Features:
  • Product Type Designation: IM 155-6 PN ST
  • Hardware Functional Status: From FS03
  • Product Functions: Supports I&M data from I&M0 to I&M3. It also supports module swapping during operation with single hot swapping.
  • Engineering and Configuration:
  • Compatible with STEP 7 TIA Portal from version V14, STEP 7 from version V5.5 SP4, and PROFINET from GSD version V2.3.
  • Configuration control via dataset is available.
  • Power and Electrical Details:
  • Supply Voltage: Operates at a rated DC value of 24V, with a permissible range between 19.2V to 28.8V.
  • Offers reverse polarity protection and short-circuit protection.
  • Mains Buffering: Can store energy for up to 10ms during a mains/voltage failure.
  • Current Consumption: Rated at 450mA, with a maximum consumption of 550mA. Has a max inrush current of 3.7A.
  • Power Loss: Typical power loss is around 1.9W.
  • Address Configuration:
  • Each module can have an address space of up to 256 bytes per input/output, and the address space per station is max. 512 bytes depending on the configuration.
  • Hardware Configuration:
  • Supports up to 32 modules per rack, with an addition of 16 ET 200AL modules.
  • Can handle up to 256 submodules per station.
  • Interface Details:
  • Equipped with one PROFINET interface with two ports integrated with a switch.
  • Supports PROFINET IO Device protocol, Open IE communication, and media redundancy with PROFINET MRP.
  • The interface employs RJ45 for Ethernet communication and supports PROFINET with 100 Mbit/s full duplex.
  • Services offered include IRT, PROFIenergy, prioritized startup, and shared devices.
  • Diagnostics and Status Indicators:
  • Comes with status indicators, alarms, and diagnostic functions.
  • Features various LEDs including RUN, ERROR, MAINT, and monitoring of the supply voltage.
  • Isolation and Potential Separation:
  • Offers isolation between PROFINET and all other circuits up to 1500 V AC (type test). However, there's no potential separation between the backplane bus and electronics or between the supply and other circuits.
  • Ambient Conditions:
  • Operable in temperatures ranging from 0°C to 60°C for horizontal installations and up to 50°C for vertical installations.
  • Can be operated at altitudes up to 5000m above sea level.
  • Physical Dimensions:
  • Measures 50mm in width, 117mm in height, and 74mm in depth.
  • Weighs approximately 147g without the BusAdapter.

FAQ Section

Q1: What is the main purpose of this PROFINET interface module?

A1: The 6ES7155-6AU01-0BN0 is designed to support and integrate with a range of I/O modules in industrial networking environments.

Q2: Does the module support hot swapping?

A2: Yes, the module supports single hot swapping during operations.

Q3: How many I/O modules can this interface support?

A3: It can support up to 32 I/O modules and 16 ET 200AL modules.

Q4: Is there protection against reverse polarity?

A4: Yes, the module offers reverse polarity protection.

Q5: What is the operational temperature range for this module?

A5: For horizontal installations, it operates between 0°C and 60°C. For vertical installations, it operates between 0°C and 50°C.


The 6ES7155-6AU01-0BN0 PROFINET interface module from Siemens is a versatile and robust solution for industrial networking requirements. With its extensive features and compatibility, it offers seamless integration and optimal performance in various setups.

Contact Us Today For More Information About Siemens Products

Check out the rest of our Siemens product line. Whether it's using our online instant quote feature, giving us a call at (800) 691-8511, or emailing us at, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like 6ES7155-6AU01-0BN0, take a look at more from our Interface Modules line. If your current unit has gone bad, take advantage of our Core Exchange program for the most inexpensive route. You can learn more about this program on our FAQ page here. We offer a repair service on all of our 6ES7155-6AU01-0BN0 products that keep your downtime to a minimum. To stay up to date on manufacturer news, as well as access any of our datasheets, manuals, or other documentation, we suggest you take a look at our blog.

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