Siemens 6ES7155-5AA01-0AB0 I/O-Device Interface Module – SIMATIC ET 200SP IM 155-5 PN ST
When a PROFINET I/O interface module fails on the production floor, the consequences are immediate and severe: entire distributed I/O stations go offline, PLCs lose communication with field devices, and production lines halt without warning. Downtime costs in automotive, food processing, and chemical plants can exceed thousands of dollars per minute. The Siemens 6ES7155-5AA01-0AB0 is the critical link that keeps your ET 200SP station connected, responsive, and fully operational — its absence is simply not an option in any serious automation environment.
The 6ES7155-5AA01-0AB0 is the standard-performance interface module (IM 155-5 PN ST) within Siemens’ flagship SIMATIC ET 200SP distributed I/O system — one of the most widely deployed remote I/O platforms in global industrial automation. Designed for PROFINET IO communication, this module serves as the head station of the ET 200SP assembly, managing data exchange between the PROFINET controller (e.g., S7-1500, S7-1200) and up to 32 I/O modules per station. Its compact DIN-rail form factor, integrated 2-port PROFINET switch, and support for isochronous real-time (IRT) communication make it the preferred choice for machine builders and system integrators worldwide.
Technical Specifications
- Part Number / SKU: 6ES7155-5AA01-0AB0
- Product Family: SIMATIC ET 200SP
- Module Type: Interface Module IM 155-5 PN ST (Standard)
- Communication Protocol: PROFINET IO (Device)
- PROFINET Ports: 2 × RJ45 (integrated switch)
- Supported I/O Modules per Station: Up to 32
- Real-Time Class: RT (Real-Time) and IRT (Isochronous Real-Time)
- Supply Voltage: 24 V DC
- Current Consumption (from 24 V DC): Typically ≤ 100 mA (module internal)
- Mounting: DIN rail (35 mm)
- Degree of Protection: IP20
- Operating Temperature: 0 °C to +60 °C
- Storage Temperature: −40 °C to +70 °C
- Dimensions (W × H × D): Approx. 70 × 117 × 74 mm
- Weight: Approx. 320 g
- Firmware Update: Supported via PROFINET / TIA Portal
- Configuration Software: STEP 7 (TIA Portal V13 SP1 and above)
- PROFINET Conformance Class: Class B
- MRP (Media Redundancy Protocol): Supported (Client)
- PROFIenergy: Supported
- Shared Device: Supported (up to 2 controllers)
Key Features & Benefits
- Integrated 2-Port PROFINET Switch: Enables line topology without additional network hardware, reducing cabinet space and wiring costs.
- IRT Communication Support: Guarantees deterministic, cycle-accurate data exchange — essential for motion control and high-speed synchronization applications.
- Shared Device Functionality: Allows up to 2 PROFINET controllers to access the same ET 200SP station simultaneously, enabling redundant or split-control architectures.
- PROFIenergy Support: Enables energy-saving modes during planned production pauses, reducing operational energy costs.
- Hot-Swap Capability: I/O modules can be replaced during operation without powering down the station, maximizing uptime.
- Compact & Modular Design: Slim 70 mm width fits tight cabinet layouts; scales from 1 to 32 I/O modules per station.
- TIA Portal Integration: Fully supported in Siemens TIA Portal for seamless engineering, diagnostics, and firmware management.
- MRP Client Support: Participates in ring redundancy networks for enhanced communication reliability.
Industry & Equipment Applications
- Automotive Manufacturing: Body-in-white assembly lines, welding stations, conveyor control systems
- Food & Beverage: Filling and packaging lines, hygienic process control panels
- Chemical & Pharmaceutical: Distributed control of valves, sensors, and actuators in process plants
- Machine Building (OEM): CNC machining centers, injection molding machines, printing presses
- Water & Wastewater Treatment: Remote pump and valve control stations
- Logistics & Intralogistics: Sorter systems, automated storage and retrieval systems (AS/RS)
- Energy & Utilities: Substation automation, power distribution monitoring
System Integration & Compatible Parts
The 6ES7155-5AA01-0AB0 is designed to work seamlessly within the Siemens SIMATIC ecosystem. Compatible and commonly paired components include:
- Controllers: SIMATIC S7-1500 (e.g., 6ES7511-1AK02-0AB0), S7-1200 (e.g., 6ES7214-1AG40-0XB0)
- ET 200SP I/O Modules: Digital input/output modules (e.g., 6ES7131-6BF01-0BA0, 6ES7132-6BF01-0BA0), analog modules, technology modules
- BaseUnits: BU Type A0 (e.g., 6ES7193-6BP00-0BA0) — required for each I/O module
- Server Module: 6ES7193-6PA00-0AA0 — terminates the ET 200SP station
- Power Modules: PM-E DC24V (e.g., 6ES7138-4CA01-0AA0) for load group power supply
- PROFINET Switches: SCALANCE X series for extended network topologies
Our Quality Assurance Process
At Konmask.com, every Siemens 6ES7155-5AA01-0AB0 unit undergoes a rigorous multi-stage verification process before shipment:
- Authenticity Verification: Cross-referenced against Siemens factory serial number databases and holographic label inspection.
- Visual & Physical Inspection: Checked for connector integrity, housing condition, and label accuracy (part number, firmware version, date code).
- Functional Pre-Check: Where applicable, modules are powered and communication ports are tested prior to packaging.
- Original Packaging: Shipped in original Siemens ESD-safe packaging with all accessories (if originally included).
- Documentation: Certificate of conformity and inspection report available upon request.
How to Order
- Submit an inquiry via the “Request a Quote” button on this page, or email support@konmask.com.
- Provide your required quantity, delivery timeline, and destination country.
- Our team will respond within 24 business hours with pricing, lead time, and shipping options.
- Upon order confirmation, we issue a proforma invoice and arrange secure payment.
- Shipment is dispatched with full tracking; typical delivery is 3–10 business days depending on destination.
Why Choose Konmask.com?
- ✅ Specialized in Industrial Automation: 100% focus on PLC, DCS, HMI, and drive components from leading global brands.
- ✅ Genuine Parts Guaranteed: All products are sourced from authorized channels or verified surplus stock — no counterfeits, ever.
- ✅ Global B2B Export Experience: We serve system integrators, OEMs, and MRO buyers across 50+ countries.
- ✅ Fast Inquiry Response: Dedicated sales engineers respond to RFQs within 24 hours.
- ✅ Flexible Shipping: DHL, FedEx, UPS, and sea freight options available for all order sizes.
- ✅ After-Sales Support: Technical consultation and return/exchange policy for verified quality issues.
Frequently Asked Questions
Q1: Is the 6ES7155-5AA01-0AB0 compatible with S7-300 or S7-400 controllers?
A: No. The IM 155-5 PN ST is designed for PROFINET IO and is compatible with PROFINET-capable controllers such as the S7-1500 and S7-1200. It is not compatible with PROFIBUS-based S7-300/400 systems. For PROFIBUS, consider the IM 155-6 PN series or ET 200M/ET 200S alternatives.
Q2: How many I/O modules can be connected to one 6ES7155-5AA01-0AB0?
A: Up to 32 I/O modules (including technology modules and communication modules) can be mounted per ET 200SP station with this interface module.
Q3: Does this module support PROFINET media redundancy (MRP)?
A: Yes, the 6ES7155-5AA01-0AB0 supports MRP as a client, allowing it to participate in ring-topology PROFINET networks for enhanced fault tolerance.
Q4: What TIA Portal version is required to configure this module?
A: TIA Portal V13 SP1 or higher is required. For full feature support including IRT and Shared Device, TIA Portal V14 or above is recommended.
Q5: Can I replace this module without shutting down the entire ET 200SP station?
A: The interface module itself is the head station and its replacement will interrupt communication for the entire station. However, individual I/O modules on the station support hot-swap replacement without powering down.
Q6: Do you provide a warranty for the 6ES7155-5AA01-0AB0?
A: Yes. We offer a standard warranty period covering manufacturing defects. Please contact support@konmask.com for specific warranty terms applicable to your order.
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