SIEMENS 6GK1905-6AA00 PROFIBUS Connector | Replacement, Equivalent & Selection Guide
The SIEMENS 6GK1905-6AA00 is a PROFIBUS bus connector from the SIMATIC NET family, supporting data rates up to 12 Mbit/s with a 90° cable outlet angle. This page provides engineers and procurement teams with complete technical specifications, verified compatible replacements, and a structured selection guide to simplify sourcing decisions.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 6GK1905-6AA00 |
| Manufacturer | Siemens AG |
| Product Family | SIMATIC NET PROFIBUS |
| Connector Type | PROFIBUS Bus Connector |
| Max. Data Rate | 12 Mbit/s |
| Cable Outlet Angle | 90° |
| Terminating Resistor | Switchable (integrated) |
| Degree of Protection | IP20 |
| Operating Temperature | -20 °C to +85 °C |
| Connector Interface | Sub-D 9-pin (male) |
| Cable Cross-Section | 0.22 mm² (AWG 24) |
| Weight | 360 g (packaged) |
| Standards | EN 50170, IEC 61158 |
Compatible Replacement & Equivalent Models
The following models are commonly evaluated as functional equivalents or drop-in replacements for the 6GK1905-6AA00. Always verify pinout, cable angle, and termination requirements before substitution:
- 6GK1905-6AA10 – Updated revision with identical electrical specs; preferred direct replacement
- 6GK1500-0FC10 – PROFIBUS FastConnect bus connector, 90° outlet, 12 Mbit/s; tool-free termination
- 6GK1500-0EA02 – 35° cable outlet variant; suitable where cable routing differs
- Siemens 6ES7972-0BB52-0XA0 – Compatible connector used in S7-300/400 DP networks
- Phoenix Contact SUBCON-PLUS-PROFIB/SC – Third-party compatible, screw-clamp termination
- Weidmüller IE-PS-V04P-RJ45-BK – Evaluate for specific network topology needs
⚠ Note: Third-party replacements may not carry Siemens certification. Confirm compatibility with your system integrator before deployment in safety-critical applications.
Why Choose the Original Model
- Guaranteed interoperability — factory-tested with SIMATIC S7-300, S7-400, S7-1500, and ET 200 distributed I/O
- Integrated switchable terminating resistor — eliminates need for external termination at bus ends
- Robust Sub-D housing — rated for industrial environments with vibration and EMI resistance
- Full Siemens TIA Portal compatibility — recognized natively in hardware configuration
- Traceable manufacturing — batch-level quality records available for regulated industries
- Long-term availability — supported under Siemens Industrial Automation lifecycle policy
Typical Applications
- PROFIBUS DP field bus networks in automotive assembly lines
- Process control systems in chemical and petrochemical plants
- Distributed I/O connections in food & beverage packaging machinery
- Building automation and HVAC control networks
- Water treatment and utilities SCADA systems
- Machine tool and CNC controller integration
- Railway and transportation control infrastructure
System Compatibility
The 6GK1905-6AA00 is compatible with the following Siemens platforms and third-party PROFIBUS DP masters/slaves:
- SIMATIC S7-300 / S7-400 / S7-1500 (DP interface modules)
- SIMATIC ET 200M, ET 200S, ET 200SP distributed I/O
- SINAMICS drives with PROFIBUS DP option boards
- SIMOTION motion controllers
- Third-party PROFIBUS DP devices conforming to EN 50170 / IEC 61158 Type 3
- Profichip, Hilscher, and HMS Anybus PROFIBUS slave modules
Selection Guide
Use the following criteria to select the correct PROFIBUS connector for your application:
- Cable outlet angle: 90° (6GK1905-6AA00) vs. 35° (6GK1500-0EA02) — choose based on cabinet layout and cable bend radius
- Termination position: Bus-end devices require a connector with switchable terminating resistor enabled; mid-bus devices must have it disabled
- Data rate: All 12 Mbit/s-rated connectors are backward compatible with lower speeds (9.6 kbit/s to 1.5 Mbit/s)
- Wiring method: Standard screw-clamp (6GK1905-6AA00) vs. FastConnect tool-free (6GK1500-0FC10) — FastConnect reduces installation time by ~60%
- PG/PC port requirement: If a programming port is needed on the connector, select models with integrated PG socket (e.g., 6GK1500-0FC00)
- Environment: For outdoor or wash-down environments, consider IP65-rated M12 PROFIBUS connectors instead
Quality Assurance & Sourcing
- All units sourced from authorized Siemens distribution channels or verified surplus with full traceability
- Pre-shipment inspection includes: visual check, connector pin integrity, and termination resistor function test
- Anti-counterfeit verification: holographic labels, date codes, and packaging cross-checked against Siemens product database
- Shelf-life managed inventory — FIFO rotation to ensure freshness of electromechanical components
- ISO-aligned handling and ESD-safe packaging for all shipments
How to Order
- Online: Add to cart directly on this page — in-stock units ship within 1–3 business days
- Bulk / Project Inquiry: Email [email protected] with quantity, delivery timeline, and project details for a dedicated quote
- Phone / WhatsApp: +0086 19859288691 — available Mon–Sat, 9:00–18:00 CST
- Lead time for out-of-stock: Typically 5–15 business days depending on global availability
- Export documentation: Commercial invoice, packing list, and certificate of origin available upon request
Replacement & Compatibility FAQ
Q: Is 6GK1905-6AA10 a direct drop-in replacement for 6GK1905-6AA00?
A: Yes. The -6AA10 is the current revision with identical mechanical and electrical specifications. It is the recommended replacement for new installations.
Q: Can I use a 35° connector instead of the 90° version?
A: Electrically yes, but the cable routing will differ. Ensure sufficient bend radius and cabinet space before substituting.
Q: Does the 6GK1905-6AA00 support PROFIBUS PA?
A: No. This connector is designed for PROFIBUS DP (RS-485). PROFIBUS PA requires dedicated MBP couplers and connectors.
Q: How do I enable/disable the terminating resistor?
A: A slide switch on the connector body toggles the integrated terminating resistor. Enable it only on the first and last physical device on the PROFIBUS segment.
Q: Can I use this connector with non-Siemens PROFIBUS devices?
A: Yes, provided the device uses a standard Sub-D 9-pin PROFIBUS DP interface per EN 50170 / IEC 61158 Type 3.
Q: What is the maximum segment length at 12 Mbit/s?
A: 100 meters per segment at 12 Mbit/s using PROFIBUS cable Type A. Use repeaters to extend beyond this limit.
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