Siemens 6ES7441-1AA04-0AE0 Point-to-Point Communication Processor – SIMATIC S7-400 CP 441-1
Imagine a critical production line where your SIMATIC S7-400 PLC must exchange real-time data with a third-party drive, barcode scanner, or legacy serial device — but the CPU’s onboard ports are already saturated. Without the right communication processor, data bottlenecks stall throughput, alarms go unacknowledged, and unplanned downtime cascades across the entire facility. The Siemens 6ES7441-1AA04-0AE0 CP 441-1 eliminates this risk by offloading serial point-to-point communication from the CPU, ensuring deterministic, high-integrity data exchange even under peak load.
Within the CP 441 family for the SIMATIC S7-400 platform, the 6ES7441-1AA04-0AE0 occupies the entry-level single-channel position — purpose-built for applications requiring one high-performance serial interface without the overhead of multi-channel variants. Backed by Siemens’ decades of dominance in industrial automation, the CP 441-1 is deployed across automotive assembly, chemical processing, food & beverage, and energy sectors worldwide, making it one of the most trusted serial communication modules in the global PLC market.
Technical Specifications
- Order Number (MLFB): 6ES7441-1AA04-0AE0
- Product Family: SIMATIC S7-400 CP 441-1
- Module Type: Communication Processor — Point-to-Point (PtP)
- Number of Interfaces: 1 × serial interface (RS-232C / RS-422 / RS-485 configurable)
- Transmission Rate: Up to 76.8 kbps
- Protocols Supported: ASCII, 3964(R), RK 512, USS, Modbus RTU/ASCII (via loadable driver)
- Backplane Bus: SIMATIC S7-400 expansion rack
- Supply Voltage: 5 VDC via backplane (no external supply required)
- Operating Temperature: 0 °C to +60 °C
- Storage Temperature: −40 °C to +70 °C
- Degree of Protection: IP 20
- Weight: Approx. 760 g
- Dimensions (W × H × D): Per S7-400 single-width module form factor
- Certifications: CE, UL, cULus, ATEX (zone 2)
Note: Specifications are based on Siemens published datasheets. Always verify against the official Siemens Industry Online Support documentation for your specific firmware revision.
Key Features & Benefits
- CPU Offload: Handles serial communication independently, freeing CPU cycle time for process control tasks.
- Multi-Protocol Flexibility: Supports ASCII, 3964(R), RK 512, and loadable drivers for USS and Modbus — adaptable to diverse device ecosystems.
- Configurable Physical Interface: RS-232C, RS-422, and RS-485 selectable via STEP 7 / TIA Portal parameter assignment — no hardware jumpers required.
- Seamless STEP 7 & TIA Portal Integration: Configured entirely within the standard Siemens engineering environment; no proprietary tools needed.
- Robust Industrial Design: Rated for 0–60 °C ambient, vibration-resistant, and IP 20 protected for standard control cabinet installation.
- Hot-Swap Capable: Supports module replacement without full rack power-down (subject to system configuration).
- Diagnostic LEDs: Onboard RUN/STOP/SF/BF indicators for rapid fault isolation without a programming device.
Industry & Equipment Applications
- Automotive Manufacturing: Serial data exchange with robot controllers, vision systems, and torque tools on assembly lines.
- Chemical & Pharmaceutical: Communication with analytical instruments, flow meters, and SCADA gateways over RS-485 Modbus.
- Food & Beverage: Integration with checkweighers, metal detectors, and labeling machines via ASCII or 3964(R) protocol.
- Energy & Utilities: Data acquisition from protection relays, power meters, and RTUs using Modbus RTU.
- Printing & Packaging: High-speed serial synchronization with servo drives and tension controllers.
- Water Treatment: Remote I/O and sensor polling over RS-485 multi-drop networks.
System Integration & Compatible Parts
The 6ES7441-1AA04-0AE0 is designed for seamless integration within the SIMATIC S7-400 ecosystem. Compatible and commonly paired components include:
- CPUs: S7-400 CPU 412, CPU 414, CPU 416, CPU 417 series
- Power Supplies: 6ES7407-0DA02-0AA0, 6ES7407-0KA02-0AA0
- Racks: 6ES7400-1JA01-0AA0 (UR1), 6ES7400-2JA00-0AA0 (UR2)
- Multi-Channel Variant: 6ES7441-2AA04-0AE0 (CP 441-2, dual serial interface)
- Interface Submodule: 6ES7952-1KK00-0AA0 (for RS-422/485 operation)
- Engineering Software: SIMATIC STEP 7 V5.x / TIA Portal V13 and above
Our Quality Assurance Process
At Konmask.com, every Siemens 6ES7441-1AA04-0AE0 unit undergoes a rigorous multi-stage verification process before shipment:
- Authenticity Verification: Cross-referenced against Siemens MLFB database; counterfeit screening via label, hologram, and PCB inspection.
- Functional Pre-Test: Power-on self-test and communication port continuity check performed in our technical lab.
- Condition Grading: Clearly disclosed as New, Refurbished-Tested, or Surplus-Unused — no ambiguity.
- ESD-Safe Packaging: Anti-static bags, foam cushioning, and moisture barrier packaging for safe international transit.
- Traceability: Each unit ships with a test report and batch record for your incoming inspection records.
How to Order
- Submit your inquiry via the Contact / RFQ form on this page.
- Provide your required quantity, delivery timeline, and destination country.
- Our technical team responds within 24 business hours with availability, lead time, and a formal quotation.
- Upon PO confirmation, we arrange export documentation, customs clearance support, and tracked international shipping.
- Post-delivery technical support is available via email and WhatsApp.
📧 [email protected] | 📞 +0086 19859288691
Why Choose Konmask.com?
- ✅ Specialized in Industrial Automation: 100% focus on PLC, DCS, HMI, and drive components — not a generalist marketplace.
- ✅ Global B2B Export Experience: Serving engineering firms, system integrators, and MRO buyers across 40+ countries.
- ✅ Transparent Sourcing: We disclose product condition, origin, and test status — no hidden surprises.
- ✅ Fast Quotation: Dedicated account managers respond within 24 hours with competitive pricing.
- ✅ Secure Logistics: DHL / FedEx / UPS express with full export documentation and insurance options.
- ✅ After-Sales Support: Technical guidance on installation, compatibility, and system integration included.
Frequently Asked Questions
- Q: Is the 6ES7441-1AA04-0AE0 compatible with TIA Portal?
- A: Yes. The CP 441-1 can be configured using TIA Portal V13 and above, as well as SIMATIC STEP 7 V5.x. Hardware configuration and parameter assignment are performed within the standard engineering environment.
- Q: What is the difference between 6ES7441-1AA04-0AE0 and 6ES7441-2AA04-0AE0?
- A: The 6ES7441-1AA04-0AE0 (CP 441-1) provides one serial interface channel, while the 6ES7441-2AA04-0AE0 (CP 441-2) provides two independent serial channels. Choose the dual-channel variant if you need to connect two serial devices simultaneously.
- Q: Does this module support Modbus RTU?
- A: Yes, Modbus RTU and Modbus ASCII are supported via a loadable driver that is installed through STEP 7 / TIA Portal. The driver is available from Siemens Industry Online Support.
- Q: Can I use this CP in an S7-300 rack?
- A: No. The CP 441-1 is exclusively designed for the SIMATIC S7-400 backplane. For S7-300 applications, the CP 341 series (e.g., 6ES7341-1AH02-0AE0) is the appropriate product family.
- Q: What is the lead time for international orders?
- A: Lead time depends on stock availability. In-stock units typically ship within 3–5 business days. For out-of-stock items, our team will provide an accurate lead time estimate in the quotation. Contact us at [email protected] for real-time availability.
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Original Source: https://Konmask.com
Contact: [email protected] | +0086 19859288691
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