Genuine SIEMENS 6GK7443-5DX03-0XE0 CP 443-5 Extended Communications Processor | SIMATIC S7-400 Series – Verified Source
The SIEMENS 6GK7443-5DX03-0XE0 is a high-performance Communications Processor (CP 443-5 Extended) designed for the SIMATIC S7-400 PLC platform. It enables seamless PROFIBUS DP master/slave communication, supporting complex industrial network architectures with deterministic data exchange. Sourced directly through verified supply channels, every unit at Konmask.com undergoes rigorous authenticity and functional checks before dispatch.
Technical Specifications
- Part Number / SKU: 6GK7443-5DX03-0XE0
- Series: SIMATIC S7-400 / CP 443-5 Extended
- Function: PROFIBUS DP Master & Slave Communications Processor
- Interface: PROFIBUS DP (RS-485), 9-pin Sub-D connector
- Max DP Slaves: Up to 125 DP slaves per master interface
- Data Transfer Rate: 9.6 kbps – 12 Mbps (auto-negotiation)
- Backplane Bus: S7-400 rack (compatible with UR1, UR2, UR2-H, CR2, CR3)
- Power Supply: Via S7-400 backplane (5 VDC)
- Operating Temperature: 0 °C to +60 °C
- Storage Temperature: –40 °C to +70 °C
- Dimensions (W×H×D): 25 mm × 290 mm × 210 mm (single-width module)
- Weight: Approx. 680 g
- Protection Class: IP20
- Certifications: CE, UL, cULus, ATEX (Zone 2)
- Firmware: V3.0 and above supported
- MLFB / Order Number: 6GK7443-5DX03-0XE0
Our 4-Step Quality Verification Process
- Step 1 – Source Validation: All units are procured exclusively from authorized SIEMENS distributors or certified secondary-market partners with traceable supply chains.
- Step 2 – Physical Inspection: Each module is inspected for label integrity, housing condition, connector pin alignment, and factory seal verification.
- Step 3 – Functional Bench Test: Where applicable, modules are powered up and tested for backplane communication and PROFIBUS interface response prior to shipment.
- Step 4 – Documentation Check: Serial numbers are cross-referenced against known counterfeit databases and SIEMENS product authenticity guidelines.
Key Features & Benefits
- Dual-role PROFIBUS DP Master and Slave in a single module — reduces rack space and wiring complexity
- Supports S7 communication, PG/OP communication, and SEND/RECEIVE interface for flexible integration
- Isochronous mode support for time-critical process applications
- Diagnostic buffer and LED status indicators for rapid fault identification
- Compatible with STEP 7 V5.x and TIA Portal for streamlined engineering
- Hot-swap capable on S7-400H redundant systems (with appropriate configuration)
- Long-term availability — Konmask.com maintains buffer stock for MRO and emergency replacement needs
Typical Applications
- Automotive body shop and paint line automation (PROFIBUS DP master to distributed I/O)
- Chemical and pharmaceutical process control with redundant PLC architectures
- Power generation and utilities SCADA integration via PROFIBUS
- Steel mill and heavy industry drive coordination (VFDs, servo drives)
- Water treatment plant distributed control systems
- Railway signaling and infrastructure control panels
Compatible System Components
- PLC Rack: SIMATIC S7-400 UR1 / UR2 / UR2-H / CR2 / CR3
- CPU: S7-400 CPUs (e.g., CPU 414, CPU 416, CPU 417 series)
- Power Supply: PS 405 / PS 407 series
- PROFIBUS Cables: 6XV1830-0EH10 (standard), 6XV1830-3EH10 (trailing cable)
- PROFIBUS Connectors: 6ES7972-0BA52-0XA0 (90° connector with PG socket)
- Engineering Software: SIMATIC STEP 7 V5.6+, TIA Portal V15+
Global Sourcing & Shipping Capabilities
Konmask.com ships the SIEMENS 6GK7443-5DX03-0XE0 worldwide from our warehouse in China. Standard lead time is 3–7 business days for in-stock units. Express DHL/FedEx options are available for urgent MRO requirements. All shipments include commercial invoice, packing list, and certificate of origin where required. Export compliance (EAR/ECCN) is handled by our logistics team.
- Regions Served: Asia-Pacific, Europe, Middle East, Americas, Africa
- Packaging: Anti-static ESD bag + foam-lined carton, original SIEMENS packaging preserved where available
- Customs Support: HS Code 8537.10 — we provide full customs documentation assistance
Certifications & Compliance Statement
This product is manufactured by Siemens AG and complies with the following standards and directives:
- CE Marking — EU Low Voltage Directive (2014/35/EU) & EMC Directive (2014/30/EU)
- UL / cULus Listed — UL 508 (Industrial Control Equipment)
- ATEX Directive — Zone 2 (II 3 G Ex nA IIC T4 Gc) for hazardous area installations
- IEC 61131-2 — Programmable Controllers: Equipment Requirements and Tests
- RoHS Compliant — Restriction of Hazardous Substances Directive 2011/65/EU
Konmask.com does not manufacture or modify SIEMENS products. We are an independent distributor. All trademarks belong to their respective owners.
How to Order
- Confirm Part Number: Verify 6GK7443-5DX03-0XE0 matches your existing system’s CP module slot requirements.
- Check Quantity & Lead Time: Contact us via live chat or email for real-time stock confirmation and bulk pricing.
- Add to Cart & Checkout: Secure checkout with T/T bank transfer, PayPal, or credit card accepted.
- Receive & Verify: Inspect the unit upon arrival. Our 30-day return policy covers DOA (Dead on Arrival) units with full documentation.
For OEM/project quantities (>5 units), request a formal quotation at support@konmask.com.
Authenticity & Trust FAQ
Q: How do I know this is a genuine SIEMENS product?
A: Every unit passes our 4-step verification process. We provide the module’s serial number upon request so you can verify it with SIEMENS Product Authenticity Check (PAC) at siemens.com/pac.
Q: Do you offer a warranty?
A: Yes. We offer a 12-month functional warranty on all modules. DOA claims are accepted within 30 days of delivery with photographic evidence.
Q: Can you source discontinued or obsolete SIEMENS modules?
A: Yes. Konmask.com specializes in legacy and hard-to-find SIEMENS automation components. Contact us with your full BOM for availability assessment.
Q: What if I order the wrong part?
A: Unused, unopened items may be returned within 14 days. Please contact support before returning any item.
Q: Are you an authorized SIEMENS distributor?
A: Konmask.com is an independent distributor. We source from authorized channels and apply our own quality verification process. We are not an official SIEMENS partner.
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Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691






