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The 6ES7155-6AU01-0BN0 is the PROFINET standard interface module (IM 155-6 PN ST) for the SIMATIC ET 200SP system, serving as the communication brain and power distribution center of the distributed station. It supports the expansion of up to 32 local I/O modules and 16 ET 200AL modules.
Supports PROFINET Shared Device functionality
A single interface module supports the connection of up to 32 ET 200SP electronic modules
Features built-in Module-Internal Shared Input (MSI) and Module-Internal Shared Output (MSO) capabilities
It supports Single Hot Swap technology at both the firmware and electrical levels, enabling onsite maintenance personnel to replace a single faulty I/O module under live running conditions without interrupting network communication with the main PLC, thereby maximizing the continuity of industrial production lines.
6ES7155-6AU01-0BN0 standard original factory packaging includes a 6ES7193-6PA00-0AA0 server module by default, which acts as the physical and electrical loop closure at the extreme right end of the station, protecting the high-speed backplane serial data chain from signal reflection interference.
It should be noted that this standalone order number itself does not include the BusAdapter for network cable connections, users must independently select and purchase matching bus adapter components based on the RJ45 or FastConnect cables actually used onsite. Integrating data processing, multi-slot expansion, and flexible network accessories, this module is the core brain stem for building deterministic, real-time industrial Ethernet distributed stations.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Siemens 6ES7155-6AU01-0BN0 Interface Module Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Automotive Manufacturing
Used in distributed control of welding and final assembly lines. Its single hot-swap feature allows quick replacement of faulty I/O modules without interrupting the entire line's network communication, minimizing downtime.
Lithium Battery Production
Used in electrode coating machines, roller presses, and stacking machines. Cooperating with up to 32 high-density local I/O modules, it centrally collects and processes temperature, tension, and position sensor data at high speed within a single station.
Wind Power Generation
Used in wind turbine tower main control and hub yaw systems. Utilizing its wide temperature range of -30 °C to +60 °C and high vibration resistance, it securely transmits sensor data from high-altitude environments to the ground-level main controller.
Oil & Gas
Used in remote valve rooms, long-distance pipeline compressor stations, and crude oil tank farms. Accompanied by explosion-proof bases and cabinets, it achieves highly reliable distributed control of remote data and real-time monitoring of valve statuses.
Railway Transportation
Used in subway station Building Automation Systems (BAS) and tunnel ventilation control boxes. Its high isolation voltage of 707 V DC, combined with a shielded BusAdapter, effectively isolates strong electromagnetic surge interference along tracks from baseline communication.
First, this standalone model does not include a BusAdapter, so you must independently select and purchase one based on the onsite cable type to enable network connectivity.
Second, while it supports live hot-swapping for underlying I/O modules, its bundled 6ES7193-6PA00-0AA0 server module strictly prohibits hot-swapping, meaning that forcibly removing the server module will paralyze the entire station's communication.
Lastly, its internal power supply delivers a maximum backplane drive current of 2 A. When expanding up to the maximum 32 modules or including high-power technology modules, you must precisely calculate the backplane power budget and insert additional active BaseUnits for external 24 V DC auxiliary power when necessary to prevent communication drops due to undervoltage.
Featuring a built-in switch function, it supports single hot-swapping and wide-temperature operation from -30 °C to +60 °C. The original package includes a 6ES7193-6PA00-0AA0 server module but excludes the BusAdapter, making it the core hub for achieving high-speed, deterministic real-time data exchange with the main PLC.
It is the standard PROFINET interface module (IM 155-6 PN ST) for the Siemens SIMATIC ET 200SP distributed I/O system.
What is the primary purpose of 6ES7155-6AU01-0BN0?
It is used to connect onsite ET 200SP distributed I/O modules to the PROFINET industrial Ethernet for data exchange with the main PLC (e.g., S7-1500).
How to use a product like 6ES7155-6AU01-0BN0?
Snap it onto a standard DIN rail, sequentially connect BaseUnits and I/O modules to its right, attach the server module at the extreme right, and finally insert a BusAdapter to connect the PROFINET network cable.
How many I/O modules does 6ES7155-6AU01-0BN0 support?
It supports a maximum expansion of up to 32 ET 200SP I/O modules on its backplane bus.
Can 6ES7155-6AU01-0BN0 expand modules from other series?
Yes, in addition to 32 ET 200SP modules, it supports connecting up to 16 high-protection-class ET 200AL modules (outside the cabinet) via extension cables.
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Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.
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