The High Density Power Hub (HD2) is a fieldbus power supply that provides power to fieldbus devices and allows expansion of the fieldbus system.
The Pepperl+Fuchs Fieldbus Power Hub High Density provides redundant power for up to four FOUNDATION Fieldbus H1 segments. The manual describes intended use, safety requirements, mounting, wiring, and maintenance procedures for installation in hazardous areas.
Key sections include safety information, detailed specifications of the motherboard and power‑supply modules, installation and commissioning steps, thermal dissipation data, and IEC 60079 classification guidance.