
Siemens 6BK1621-0AA00-0AA0 PN/BACnet LINK Coupling Module
This entry details the Siemens 6BK1621-0AA00-0AA0, a coupling module designed for Profinet to BACnet/IP fieldbus communication. Project teams may submit inquiries to review specific technical parameters and integration requirements.
Quick Facts
- Part number
- 6BK1621-0AA00-0AA0
- Brand
- Siemens
- Category
- Communication & Networking
- Product type
- PN/BACnet LINK
- Lifecycle
- Active Product
- Dimensions
- 12.6 x 9.00 x 8.7 cm
- Net weight
- 0.21 Kg
- Source category
- PN/BACnet LINK
Product Overview
The Siemens 6BK1621-0AA00-0AA0 functions as a dedicated coupling module facilitating data exchange between Profinet networks and BACnet/IP protocols. This device supports the B-GW device profile for industrial automation tasks. Review Siemens 6BK1621-0AA00-0AA0 as PN/BACnet LINK with source category PN/BACnet LINK, recorded lifecycle Active Product, and submitted model identity.
Engineered for IP20 protection standards, this unit ensures reliable operation within controlled indoor environments. The module bridges communication gaps, allowing seamless integration of diverse fieldbus technologies in complex industrial settings.
Technical Review Notes
- Device Profile: B-GW specification enables standardized gateway functionality for interoperability between different network protocols. Keep dimensions 12.6 x 9.00 x 8.7 cm and net weight 0.21 Kg unchanged while comparing project documents and product image evidence.
- Protocol Conversion: Translates Profinet signals to BACnet/IP format, ensuring accurate data transmission across network boundaries.
- Protection Rating: IP20 classification provides basic protection against solid objects and limits ingress of foreign bodies.
- Network Interface: Connects directly to Profinet infrastructure while establishing BACnet/IP connections for downstream devices.
- Physical Form Factor: Compact design allows for efficient mounting within standard control cabinets and distribution boxes.
- Signal Integrity: Maintains high-quality data transfer rates essential for real-time monitoring and control applications.
Model Identification
- Part Number: 6BK1621-0AA00-0AA0 serves as the unique identifier for this specific Siemens coupling module variant.
- Brand Attribution: Siemens is the manufacturer responsible for the design and engineering of this industrial component.
- Product Classification: Categorized under PN/BACnet LINK, indicating its primary function as a protocol bridge.
- Lifecycle Status: Listed as an Active Product, confirming current manufacturing support and technical documentation review details.
Technical Parameters
| Product type | PN/BACnet LINK |
|---|---|
| Lifecycle | Active Product |
| Dimensions | 12.6 x 9.00 x 8.7 cm |
| Net weight | 0.21 Kg |
| Source category | PN/BACnet LINK |
Parameters are factual source fields retained for model review.
Parameter Review
- Dimensions: Recorded physical measurements are 12.6 x 9.00 x 8.7 cm, defining spatial requirements for installation.
- Net Weight: The unit weighs 0.21 Kg, a factor to consider when calculating load-bearing capacity of mounts.
- Category Path: Source data places this item within Automation technology, I/O systems, Gateways, and PN/BACnet LINK.
- Environmental Spec: IP20 rating suggests suitability for clean, dry indoor environments without direct exposure to elements.
- Interface Type: Designed specifically for Profinet to BACnet/IP conversion, requiring application context network infrastructure on both sides.
Catalog Classification
Image & Label Review
- Visual Inspection: Front panel displays connection ports and status indicators relevant to network activity monitoring.
- Label Clarity: Part number and technical markings should be legible to verify identity during physical checks.
- Mounting Points: Side rails or screw holes facilitate secure attachment to DIN rails or panel surfaces.
- Cable Management: Port arrangement allows for organized cabling, reducing clutter and potential interference in tight spaces.
Product Image Gallery

Inquiry Preparation
- Verify Network Requirements: Confirm that existing Profinet and BACnet/IP infrastructure aligns with module capabilities.
- Check Physical Space: Ensure cabinet dimensions accommodate the 12.6 x 9.00 x 8.7 cm footprint comfortably.
- Review Documentation: Access technical manuals for detailed wiring diagrams and configuration steps before submission.
- Define Integration Scope: Outline specific devices and data points requiring communication through this gateway interface.
Category Context
This module resides within the Communication & Networking sector, focusing on industrial protocol translation solutions.
It falls under the broader Automation technology umbrella, supporting I/O systems and gateway implementations.
Review Notes
- Source Parameter Review: All technical data originates from documented Siemens product listings and documentation.
- Model Verification: Cross-reference the part number 6BK1621-0AA00-0AA0 with project bills of materials for accuracy.
- Integration Planning: Assess how this B-GW profile fits into the overall building management system architecture.
- Submission Guidance: Prepare detailed inquiry forms specifying application context to receive precise technical assistance.



