PROFIBUS DP Network Solution – SIEMENS 6GK7443-5DX04-0XE0 | CP 443-5 Extended
The SIEMENS 6GK7443-5DX04-0XE0 is a high-performance PROFIBUS DP communication processor designed for the SIMATIC S7-400 PLC platform. Engineered for demanding industrial environments, this module enables seamless integration of S7-400 controllers into PROFIBUS DP networks — supporting both DP master and DP slave operation with extended diagnostic and programming capabilities.
Where This Product Is Used
The CP 443-5 Extended is specified by automation engineers across a wide range of industrial sectors where reliable PROFIBUS DP communication is mission-critical:
- Automotive Manufacturing: Body-in-white welding lines, paint shop conveyors, and assembly transfer systems requiring deterministic fieldbus communication between S7-400 controllers and distributed I/O (ET 200M, ET 200S).
- Process Industry (Oil & Gas / Chemical): DCS-integrated PROFIBUS DP segments connecting field instruments, valve positioners, and remote I/O panels in hazardous-area installations.
- Power Generation & Utilities: Turbine control systems and substation automation where the CP 443-5 Extended acts as DP master managing protection relays and intelligent electronic devices (IEDs).
- Water & Wastewater Treatment: SCADA-linked pump station control panels using S7-400 as the central controller with PROFIBUS DP field devices (drives, sensors, actuators).
- Steel & Metal Processing: Rolling mill drive coordination and furnace control systems demanding high-speed, cycle-consistent PROFIBUS DP polling.
- Pharmaceutical & Food & Beverage: Batch process control systems requiring validated, audit-trail-capable communication between S7-400 and PROFIBUS PA/DP field devices.
Technical Specifications
- Part Number / Order No.: 6GK7443-5DX04-0XE0
- Product Family: SIMATIC NET CP 443-5 Extended
- Compatible PLC Platform: SIMATIC S7-400 (all CPU variants)
- Communication Standard: PROFIBUS DP (EN 50170 / IEC 61158)
- Operating Mode: DP Master (Class 1 & Class 2) / DP Slave
- Max. DP Slaves (as Master): Up to 125 DP slaves
- Transmission Rate: 9.6 kbps to 12 Mbps (auto-detection)
- Interface: 9-pin Sub-D female (RS-485)
- Firmware / GSD Support: Supports GSD file-based slave configuration
- Programming Interface: S7 routing, PG/OP communication via PROFIBUS
- Diagnostic Functions: Extended diagnostics, slave diagnostics, bus monitoring
- Power Supply: Via S7-400 backplane bus (no external supply required)
- Operating Temperature: 0 °C to +60 °C
- Storage Temperature: −40 °C to +70 °C
- Degree of Protection: IP20
- Dimensions (W × H × D): 25 mm × 290 mm × 210 mm (single-width module)
- Weight: Approx. 700 g
- Certifications: CE, UL, cUL, FM, ATEX (zone 2)
Why Engineers Specify This Model
- Extended DP Master Capability: Unlike the standard CP 443-5 Basic, the Extended variant supports DP master Class 2 functions — enabling online slave parameterization, acyclic data exchange (MSAC2), and live network diagnostics without stopping production.
- S7 Routing: Allows programming devices (PG/PC) connected to one network segment to access S7-400 CPUs across PROFIBUS — critical for multi-segment plant architectures.
- Isochronous Mode Support: Enables equidistant bus cycle operation for motion control and drive synchronization applications requiring deterministic timing.
- Parallel Operation: Multiple CP 443-5 Extended modules can be installed in a single S7-400 rack, expanding network capacity without additional hardware.
- Proven Reliability: MTBF exceeding 500,000 hours; designed for 24/7 continuous operation in industrial environments.
- STEP 7 / TIA Portal Integration: Fully configurable via SIMATIC STEP 7 V5.x and TIA Portal with PROFIBUS network view — no third-party tools required.
Complete System Bill of Materials
For a complete PROFIBUS DP communication solution based on the S7-400 platform, engineers typically specify the following components alongside the 6GK7443-5DX04-0XE0:
- SIMATIC S7-400 CPU (e.g., CPU 414-3 PN/DP or CPU 416-3 PN/DP)
- S7-400 Power Supply Module (PS 407 10A or PS 405 10A)
- S7-400 Rack (UR2 or UR1)
- PROFIBUS DP Cable (6XV1830-0EH10 — shielded, 0.5 mm²)
- PROFIBUS Bus Connector (6ES7972-0BB52-0XA0 with 90° cable exit)
- PROFIBUS DP Termination Resistor (integrated in bus connector)
- Distributed I/O: ET 200M (6ES7153-2BA02-0XB0) or ET 200S
- SIMATIC NET PROFIBUS OLM (Optical Link Module) for fiber-optic segments
- STEP 7 Professional V5.6 or TIA Portal V17+ (engineering software license)
Compliance & Industry Standards
- PROFIBUS Standard: EN 50170 Vol. 2 / IEC 61158 Type 3 / IEC 61784
- EMC Directive: 2014/30/EU (CE marked)
- Low Voltage Directive: 2014/35/EU
- UL / cUL Listed: UL 508 (Industrial Control Equipment)
- ATEX: II 3 G Ex nA IIC T4 Gc (Zone 2 — non-sparking)
- IECEx: Compliant for international hazardous area installations
- RoHS: Compliant (Directive 2011/65/EU)
- PROFIBUS Certification: Certified by PROFIBUS & PROFINET International (PI)
Quality Assurance & Sourcing
At Konmask.com, every SIEMENS module we supply undergoes a structured verification process before dispatch:
- Authenticity Verification: Each unit is inspected for genuine SIEMENS labeling, holographic seals, and factory date codes. Counterfeit modules are rejected at intake.
- Functional Pre-Check: Where applicable, modules are powered and checked for firmware version integrity and communication port functionality.
- Traceability: Full supply chain documentation available on request — including supplier certificates of conformity and batch records.
- Packaging: Shipped in original or equivalent ESD-safe anti-static packaging with foam cushioning to prevent transit damage.
- Warranty: 12-month warranty against manufacturing defects. DOA (Dead on Arrival) replacement within 7 business days.
How to Source This Part
- In-Stock Orders: Add to cart and proceed to checkout. We accept T/T (bank transfer), PayPal, and major credit cards. Lead time: 1–3 business days for in-stock units.
- Bulk / Project Procurement: Contact us for volume pricing, project BOM support, and consolidated shipment arrangements. Minimum order quantities may apply for special pricing.
- Urgent / Emergency Supply: We maintain a fast-track sourcing channel for shutdown and emergency maintenance scenarios. Contact us directly for expedited quotes.
- Global Shipping: DHL Express, FedEx International Priority, and sea freight (LCL/FCL) available. Export documentation (commercial invoice, packing list, CO) provided for customs clearance.
- Contact: Email support@konmask.com or call +0086 19859288691 (Mon–Fri, 09:00–18:00 CST).
Application-Specific FAQ
Q: Can the 6GK7443-5DX04-0XE0 operate as both DP master and DP slave simultaneously?
A: No. The CP 443-5 Extended operates in either DP master or DP slave mode — configured at project engineering time in STEP 7 / TIA Portal. It cannot perform both roles concurrently on the same interface.
Q: Is this module compatible with SIMATIC S7-300 racks?
A: No. The CP 443-5 Extended is exclusively designed for the S7-400 backplane bus. For S7-300 applications, the equivalent module is the CP 343-5 (6GK7343-5FA01-0XE0).
Q: What is the maximum cable length for PROFIBUS DP at 12 Mbps?
A: At 12 Mbps, the maximum segment length is 100 m using standard PROFIBUS cable (6XV1830-0EH10). For longer distances, use PROFIBUS OLM (optical link modules) with fiber-optic cable.
Q: Does this module support PROFIBUS PA (Process Automation)?
A: Not directly. PROFIBUS PA devices require a DP/PA coupler or DP/PA link (e.g., 6ES7157-0AC83-0XA0) connected to the PROFIBUS DP segment managed by the CP 443-5 Extended.
Q: Can I use this module with TIA Portal V18?
A: Yes. The CP 443-5 Extended is supported in TIA Portal V13 SP1 and later, including V18, via the SIMATIC NET software package. Ensure the correct HSP (Hardware Support Package) is installed.
Q: What is the difference between CP 443-5 Basic and CP 443-5 Extended?
A: The Extended variant adds DP master Class 2 functions (acyclic MSAC2 services), S7 routing across PROFIBUS, isochronous mode support, and extended diagnostic capabilities — features not available on the Basic version.
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