Modular power supply feeds Fieldbus devices
A
Pepperl+Fuchs USA product story
Edited by the Engineeringtalk editorial team
Nov 18, 2004
Pepperl+Fuchs is introducing the FieldConnex Fieldbus Power Hub (FPH), the latest component-level solution to its popular FieldConnex fieldbus installation system.
Pepperl+Fuchs is introducing the FieldConnex Fieldbus Power Hub (FPH), the latest component-level solution to its popular FieldConnex fieldbus installation system.
This modular power supply system for Foundation Fieldbus (FF-H1) provides multiple power supplies for Fieldbus devices via digital data lines.
The Fieldbus Power Hub consists of a motherboard with single or redundant plug-on modules.
Multiple plug-on modules are available, including: Isolated power module with 30V and 500mA - designed for high power in the field, especially if used with segment protectors or field barriers; isolated FNICO power module with 17V and 500mA - dedicated for FNICO installation if used in conjunction with segment protectors; non-isolated module with host spur protection designed for use with both segment protector and field barrier, while providing additional network segment protection in conjunction with the redundant host cards (if one card short-circuits, the other card and the Fieldbus segment itself will still continue to operate).
The FPH is designed for installation on DIN-rails, and integrates Fieldbus segment connections, their appropriate terminators, as well as host-specific system plug connectors.
The FPH follows the passive design of powering the Fieldbus network, while providing redundant galvanic isolation and host spur protection respectively.
New cross-talk resonance suppression technology ensures proper communication, which is particularly helpful in the event of wiring and ground faults.
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