Overview
The Weidmüller 836647 Profibus DP Bridge Module is a fieldbus interface component designed for industrial automation and motion control applications. This bridge module facilitates communication between PLCs and remote I/O modules, peripheral devices, and HMIs over PROFIBUS DP networks. The 836647 supports 12MB data capacity, making it suitable for distributed control architectures where multiple field devices must communicate with a central controller in real time.
Key Features
- PROFIBUS DP interface for fieldbus network connectivity
- 12MB message buffer capacity for multi-node communication
- Supports standard PROFIBUS DP protocol and topology (line structure with spur connections)
- Enables connection of remote I/O, drives, sensors, and HMI devices to PLC controllers
- Industrial-grade construction for harsh factory environments
- Reliable, tested component for automation system integration
Technical Specifications
- Protocol: PROFIBUS DP
- Data Rate: Up to 12 Mbps (12 Mbit/s)
- Buffer Capacity: 12MB
- Part Number: 836647
- Manufacturer: Weidmüller
- Network Topology: Line structure with spur connections
- Connection Type: PROFIBUS DP connector (M12 or Sub-D variants available)
- Ingress Protection: IP 66 (typical for Weidmüller PROFIBUS DP enclosures)
- Operating Temperature Range: Industrial (verify with current unit)
Typical Applications
The Weidmüller 836647 is commonly deployed in:
- Distributed I/O networks connected to Siemens S7, Allen-Bradley, or other PROFIBUS-capable PLCs
- Remote terminal units (RTUs) and decentralized control architectures
- Manufacturing systems with multiple synchronized servo drives and motor controllers
- Process automation where real-time sensor and actuator data must be exchanged over fieldbus
- Industrial packaging, chemical processing, and motion control systems
Compatibility & Replacements
Compatible With
- Siemens S7 series PLCs with PROFIBUS DP support
- Allen-Bradley CompactLogix and ControlLogix with PROFIBUS DP modules
- Mitsubishi MELSEC PLCs with PROFIBUS DP communication
- Omron and other PROFIBUS DP-capable controllers
- PROFIBUS DP-compliant remote I/O modules, drives, and sensors
Replaces / Drop-In Replacement For
The 836647 is a Weidmüller DP Bridge module. Verify compatibility with your system integrator before ordering, as PROFIBUS DP bridge specifications vary by manufacturer and protocol revision. Do not assume interchangeability without confirming part numbers and firmware versions.
Works With
- PROFIBUS DP protocol (DP-V0, DP-V1)
- PROFIBUS network design tools and configuration software
- TIA Portal, STEP 7, and Siemens PROFIBUS configuration utilities
- Weidmüller and third-party PROFIBUS connector hardware (M12, Sub-D, DIN 43650)
- EMC cable glands and tension clamp terminal connections per PROFIBUS standard














