The PROFIBUS Power Hub is a modular, motherboard-based power supply system for four PROFIBUS PA segments. It consists of one or two motherboards and various plug-in modules. Optimized electrical symmetry and use of passive components to a large extent ensure best signal quality even under severe environmental conditions. For applications demanding highest reliability you can choose redundant configurations.
The low heat dissipation of the Power Hub results in high operating efficiency and allows a very long service life. The Power Hubs are designed to accommodate the revolutionary Advanced Diagnostics Module HD2-DM-A for online and real-time monitoring of the fieldbus physical layer.
The 500 mA Power Hub supplies up to 31 V and 500 mA. It is designed for best signal quality using CREST: Crosstalk and Resonance Suppression Technology. Filtering circuits always ensure optimal signal quality and the longest cable runs of any supply in the industry today.
The Compact PROFIBUS Power Hub puts up to 25 V and 360 mA on the cable. It transparently connects two PA-segments to PROFIBUS DP. The small size and configuration-free setup make this a very common choice for small fieldbus projects and even small system upgrades or test applications. The Compact Power Hub is permitted for installation in safe areas.
Implementing the High-Power Trunk Concept, Power Hub supplies 360 mA or 500 mA to the segment. Energy limitation for hazardous area protection is realized close to the field instruments through segment protectors and FieldBarriers for all hazardous areas up to Zone 1/Div 1. The Power Hub itself can be installed in Zone 2.
