Siemens 6ES7151-1AA02-0AB0 – ET 200S Standard Interface Module | PROFIBUS DP Slave
Engineering Background
The Siemens ET 200S distributed I/O system is a modular, high-density field device designed for installation in control cabinets and terminal boxes. The IM 151-1 Standard interface module (6ES7151-1AA02-0AB0) serves as the PROFIBUS DP slave head station, connecting the ET 200S station to the PROFIBUS DP network and coordinating all downstream I/O modules. It is engineered for demanding industrial environments where compact footprint, fast cycle times, and deterministic communication are non-negotiable.
Product Positioning
Targeted at procurement engineers and system integrators sourcing proven PROFIBUS DP slave interface modules for Siemens S7-300, S7-400, and compatible third-party DP master systems. The 6ES7151-1AA02-0AB0 is the standard-class IM for ET 200S, balancing cost efficiency with full DP-V1 capability, making it the default choice for new installations and like-for-like replacements in existing ET 200S architectures.
Complete Technical Specifications
| Order Number (MLFB) | 6ES7151-1AA02-0AB0 |
| Product Family | SIMATIC ET 200S |
| Module Type | Interface Module (IM 151-1 Standard) |
| Fieldbus Protocol | PROFIBUS DP (DP-V0 / DP-V1) |
| Max. Transmission Rate | 9.6 kbit/s – 12 Mbit/s (auto-detect) |
| Max. I/O Modules per Station | 63 modules |
| Max. I/O Data per Station | 244 bytes input / 244 bytes output |
| Supply Voltage | DC 24 V (20.4 V – 28.8 V) |
| Current Consumption (24 V DC) | Typ. 150 mA |
| Power Dissipation | Typ. 3.6 W |
| Backplane Bus Current (5 V) | Max. 1.5 A |
| Degree of Protection | IP20 |
| Ambient Operating Temperature | 0 °C – +60 °C (horizontal installation) |
| Storage Temperature | -40 °C – +70 °C |
| Relative Humidity | 10% – 95% (non-condensing) |
| Dimensions (W × H × D) | 30 mm × 81 mm × 52 mm |
| Weight | Approx. 80 g (module only) |
| PROFIBUS Connector | 9-pin Sub-D female |
| GSD File | SI008F80.GSD |
| Firmware Upgradeable | No (hardware revision fixed) |
| Certifications | CE, UL, cUL, FM, ATEX (Zone 2) |
| HS Code | 8537.10 |
Proven Application Environments
- Automotive Manufacturing: Body-in-white welding lines, paint shop conveyors, and assembly station I/O distribution via PROFIBUS DP at 12 Mbit/s.
- Process Industry: Chemical and pharmaceutical plants requiring DP-V1 acyclic parameter access for intelligent field devices (drives, valve positioners).
- Machine Building (OEM): Packaging machines, printing presses, and CNC machining centers where compact ET 200S stations replace bulky centralized I/O racks.
- Water & Wastewater: Pump station control panels with distributed I/O nodes connected to S7-300 / S7-400 DP masters.
- Material Handling: Conveyor and sortation systems with high I/O point density and fast bus cycle requirements.
- Energy & Utilities: Substation automation and power distribution panels requiring robust, certified field devices.
Engineering Advantages
- Full DP-V1 Support: Enables acyclic read/write services for online parameter changes and diagnostic data retrieval without interrupting cyclic I/O — critical for drives and intelligent actuators.
- Auto Baud Rate Detection: Automatically adapts to any PROFIBUS DP baud rate from 9.6 kbit/s to 12 Mbit/s, eliminating manual DIP-switch configuration.
- Hot-Swap I/O Modules: Downstream ET 200S I/O modules can be replaced under power without removing the IM or interrupting the DP bus — minimizing unplanned downtime.
- Compact 30 mm Width: Narrow profile maximizes I/O density within standard 35 mm DIN rail enclosures.
- Integrated Diagnostics: LED status indicators (SF, BF, ON) and DP-V1 diagnostic messages provide rapid fault localization at module and channel level.
- ATEX Zone 2 Certification: Suitable for use in potentially explosive atmospheres (gas group IIC, temperature class T4) when installed in appropriate enclosures.
System Architecture & Signal Flow
The 6ES7151-1AA02-0AB0 occupies the leftmost slot of an ET 200S station, mounted on a 35 mm DIN rail. The PROFIBUS DP master (e.g., Siemens CP 342-5, S7-400 IM 467, or third-party DP master) connects via the 9-pin Sub-D port. The IM 151-1 decodes DP telegrams and distributes I/O data across the internal ET 200S backplane bus (U-connector) to up to 63 downstream I/O, motor starter, or frequency converter modules. The 24 V DC supply is provided via the integrated power module (PM-E) positioned immediately to the right of the IM. Diagnostic and parameter data flow acyclically via DP-V1 services, while process I/O data cycles synchronously with the DP bus cycle.
Sourcing & Quality Verification
- Origin: Genuine Siemens product, manufactured in Germany / China (Siemens-controlled facilities).
- Condition: New (factory-sealed) and tested used/refurbished units available — condition specified at order confirmation.
- Authenticity: Each unit ships with Siemens factory label, MLFB barcode, and date code. Counterfeit risk mitigated through authorized distributor and verified secondary-market sourcing channels.
- Testing: Refurbished units undergo functional power-on test, PROFIBUS communication verification, and visual inspection per Konmask QC protocol before dispatch.
- Packaging: Anti-static ESD bag + foam-lined carton. Export carton with shock indicators for international shipments.
Procurement Process
- Confirm Quantity & Condition: Contact Konmask with required quantity and preferred condition (new / refurbished). Lead time and pricing confirmed within 24 hours.
- Quotation & Payment: Formal proforma invoice issued. Payment via T/T bank transfer, PayPal, or trade assurance. Net 30 available for approved accounts.
- Export Documentation: Commercial invoice, packing list, and certificate of origin provided. DDP / DAP Incoterms available for most destinations.
- Shipping: DHL Express (3–5 days), FedEx International Priority, or sea freight for bulk orders. Real-time tracking provided.
- After-Sales: 12-month warranty on new units; 6-month warranty on refurbished units. RMA process initiated within 48 hours of defect report.
Technical FAQ
Q: Is the 6ES7151-1AA02-0AB0 compatible with S7-1500 PROFIBUS DP masters?
A: Yes. The S7-1500 CM 1542-5 PROFIBUS module operates as a DP master and is fully compatible with the ET 200S IM 151-1 Standard as a DP slave, using the standard GSD file.
Q: What is the difference between 6ES7151-1AA02-0AB0 and 6ES7151-1AA03-0AB0?
A: The -0AA03- is a later hardware revision with minor firmware improvements. Both are functionally interchangeable in standard DP-V0/V1 applications. The -0AA02- is the predecessor revision.
Q: Can I use this IM with a non-Siemens PROFIBUS DP master?
A: Yes. The IM 151-1 Standard is a standard PROFIBUS DP slave. Any DP master that supports the GSD file (SI008F80.GSD) can integrate this module, including Beckhoff, Rockwell, Schneider, and ABB DP masters.
Q: Does this module support PROFINET?
A: No. The 6ES7151-1AA02-0AB0 is a PROFIBUS DP-only interface module. For PROFINET connectivity, the equivalent module is the 6ES7151-3AA23-0AB0 (IM 151-3 PN Standard).
Q: What is the maximum cable length on PROFIBUS at 12 Mbit/s?
A: At 12 Mbit/s, the maximum segment length is 100 m using Siemens PROFIBUS FastConnect cable (Type A). Repeaters can extend total network length.
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