PROFIBUS DP Communication Solution – Siemens 6ES7441-1AA04-0AE0 | S7-400 IM 441 Series
Where This Product Is Used
The Siemens 6ES7441-1AA04-0AE0 is an IM 441 PROFIBUS DP coupling module designed for the SIMATIC S7-400 programmable logic controller platform. It is widely deployed in the following industrial environments:
- Automotive Manufacturing: Body-in-white welding lines, paint shop conveyor control, and powertrain assembly stations requiring deterministic PROFIBUS DP communication between S7-400 CPUs and distributed I/O racks.
- Process Industry (Oil & Gas / Chemical): Distributed control architectures where the S7-400 acts as a PROFIBUS DP master, polling field instruments, valve positioners, and motor control centers across long cable runs.
- Power Generation & Utilities: Turbine control panels and substation automation systems using S7-400 multi-rack configurations with IM 441 for inter-rack coupling over PROFIBUS.
- Material Handling & Intralogistics: High-throughput sortation systems and automated storage/retrieval systems (AS/RS) where multiple S7-400 racks must exchange data at high cycle rates.
- Water & Wastewater Treatment: SCADA-integrated pump station control with redundant S7-400 configurations using IM 441 coupling for rack expansion.
Technical Specifications
| Part Number (SKU) | 6ES7441-1AA04-0AE0 |
| Product Family | SIMATIC S7-400 IM 441 |
| Module Type | PROFIBUS DP Coupling Module (Send/Receive) |
| Communication Interface | PROFIBUS DP, up to 12 Mbit/s |
| Rack Compatibility | S7-400 Central Rack (CR) / Expansion Rack (ER) |
| Supply Voltage | DC 5 V (via backplane bus) |
| Current Consumption (5 V) | Approx. 0.8 A |
| Dimensions (W × H × D) | 25 mm × 290 mm × 210 mm |
| Weight | Approx. 200 g |
| Operating Temperature | 0 °C to +60 °C |
| Storage Temperature | -40 °C to +70 °C |
| Protection Class | IP 20 |
| Certifications | CE, UL, cULus, ATEX (Zone 2) |
| MLFB / Order Number | 6ES7441-1AA04-0AE0 |
Why Engineers Specify This Model
- High-Speed Inter-Rack Coupling: Supports PROFIBUS DP at up to 12 Mbit/s, enabling low-latency data exchange between S7-400 central and expansion racks — critical for time-sensitive process control loops.
- Plug-and-Play Integration: Recognized automatically by STEP 7 and TIA Portal hardware configuration, minimizing commissioning time and reducing configuration errors.
- Robust Industrial Design: Conformal-coated PCB and wide operating temperature range ensure reliable operation in harsh plant environments with vibration, dust, and humidity.
- Scalable Architecture: Allows engineers to expand S7-400 I/O capacity beyond a single rack without changing the CPU or software architecture.
- Long Product Lifecycle: Part of Siemens’ SIMATIC S7-400 platform with extended availability and spare-parts support, protecting capital investment in existing automation infrastructure.
Complete System Bill of Materials
For a typical S7-400 multi-rack PROFIBUS DP expansion using the 6ES7441-1AA04-0AE0, engineers typically specify:
- 6ES7441-1AA04-0AE0 — IM 441 Coupling Module (Send, Central Rack side)
- 6ES7442-1AA00-0AE0 — IM 442 Coupling Module (Receive, Expansion Rack side)
- 6ES7400-1JA01-0AA0 — S7-400 Central Rack (CR3, 9-slot)
- 6ES7401-2TA01-0AA0 — S7-400 Expansion Rack (ER1, 9-slot)
- 6ES7407-0KA02-0AA0 — PS 407 Power Supply Module (10 A)
- PROFIBUS DP cable (Siemens 6XV1830-0EH10 or equivalent, shielded)
- PROFIBUS DP bus connector (6ES7972-0BA52-0XA0)
Compliance & Industry Standards
- CE Marking: Compliant with EU Low Voltage Directive and EMC Directive.
- UL / cULus Listed: Suitable for use in North American industrial installations.
- ATEX Zone 2: Approved for use in potentially explosive atmospheres (gas group IIC, temperature class T4) when installed in appropriate enclosures.
- IEC 61131-2: Meets programmable controller hardware requirements.
- PROFIBUS International Certified: Fully compliant with IEC 61158 / EN 50170 PROFIBUS DP standard.
Quality Assurance & Sourcing
Konmask.com sources the 6ES7441-1AA04-0AE0 through verified industrial automation supply channels. Every unit undergoes the following before dispatch:
- Visual inspection for physical damage, label integrity, and firmware version verification.
- Functional power-on test where applicable.
- Anti-static packaging with humidity indicator card.
- Traceability documentation available upon request (batch/lot records).
We supply both new original and tested refurbished units — please specify your requirement at inquiry stage.
How to Source This Part
- Add to Cart directly on this page for standard stock orders.
- Request a Quote for volume orders (>5 units) or urgent delivery requirements — email support@konmask.com.
- WhatsApp / Phone: +0086 19859288691 for immediate technical consultation and lead-time confirmation.
- Provide your full MLFB (6ES7441-1AA04-0AE0) and required quantity to receive an accurate quotation within 24 hours.
Application-Specific FAQ
Q: Can the 6ES7441-1AA04-0AE0 be used as both master and slave on PROFIBUS?
A: The IM 441 operates as a PROFIBUS DP master (send side) in the central rack. The corresponding IM 442 in the expansion rack acts as the slave (receive side). They are not interchangeable.
Q: Is this module compatible with TIA Portal?
A: Yes. The 6ES7441-1AA04-0AE0 is supported in TIA Portal V13 and later via the S7-400 hardware catalog. It is also fully supported in STEP 7 V5.x.
Q: What is the maximum cable length between IM 441 and IM 442?
A: At 12 Mbit/s, the maximum PROFIBUS DP segment length is 100 m. At lower baud rates (e.g., 1.5 Mbit/s), cable runs up to 400 m are supported per IEC 61158.
Q: Can I use this module in a redundant S7-400H system?
A: The IM 441 is designed for standard S7-400 rack expansion. For S7-400H redundant systems, Siemens recommends dedicated sync modules (e.g., 6ES7960 series). Please consult our technical team for H-system configurations.
Q: What warranty does Konmask.com provide?
A: New original units carry the standard Siemens warranty. Tested refurbished units carry a 90-day Konmask.com functional warranty. Extended warranty options are available on request.
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Contact: support@konmask.com | +0086 19859288691
