FOXBORO P0400VE DIN Rail FF H1 Fieldbus Power Hub I A Series DCS (4 Isolated Segments)
- Product Code: P0400VE
- Availability: In Stock
FOXBORO P0400VE DIN Rail FF H1 Fieldbus Power Hub I/A Series DCS (4 Isolated Segments)
Manufacturer: FOXBORO (Invensys / Schneider Electric Process Automation)
Part Number: P0400VE (Rev D mainstream version; P0400 series FF H1 exclusive power hub, different from P0400GH which supports FF H1 + PROFIBUS PA dual bus)
Product Type: DIN rail mounted intrinsically safe Foundation Fieldbus H1 dedicated power supply segment hub, only FF H1 protocol supported, supplies isolated 24VDC power for FF H1 smart transmitters, valve positioners, simplex / 1:1 hot redundant deployment supported
Matching Platform: Foxboro I/A Series DCS, FBM224 FF H1 fieldbus communication module, FF H1 intrinsically safe field instruments, redundant 24VDC cabinet power supply, 35mm standard DIN rail, I/A Toolset configuration software
Core Function: 4 independent galvanically isolated FF H1 bus power segments; single segment max 2A output, total combined output ≤8A; 1500VAC isolation between cabinet power input and field bus side to eliminate ground loop interference; per-channel independent overcurrent fuse, multi-stage TVS surge suppression and auto short-circuit cut-off; full segment-level fault diagnosis (bus short, cable open, overload, missing termination resistor); individual front panel LED status indicator for each of 4 bus branches; supports dual 24VDC redundant input power; millisecond-level bumpless power transfer when paired with second P0400VE redundant hub; integrated built-in bus termination resistor circuit; industrial anti-salt/humidity conformal coated PCB; IP20 cabinet protection grade, compact DIN rail installation, segment terminals hot-swappable without full module power shutdown
1. Product Overview
P0400VE belongs to Foxboro P0400 series fieldbus power hub family, specially designed only for Foundation Fieldbus FF H1 intrinsically safe field instrument networks, exclusive FF H1 power supply equipment, incompatible with PROFIBUS PA (differentiated from P0400GH dual bus model). It adopts compact 35mm DIN rail mounting structure, installed inside DCS control cabinets to provide segmented isolated power for FF H1 trunk cables, isolating four independent bus branches to avoid cross-segment noise coupling and fault chain propagation.
It receives standard industrial 24VDC cabinet input power and converts it into four fully isolated current-limited FF H1 power outputs. Each bus segment can carry multiple FF H1 pressure, flow, temperature transmitters and intelligent valve positioners. Each branch is equipped with independent overcurrent protection and short-circuit automatic cut-off function; a short-circuit fault on one bus trunk will only disconnect that single segment, without affecting the normal power supply and communication of the other three branches, greatly improving the overall stability and availability of FF H1 fieldbus networks.
Built-in multi-layer real-time diagnostic circuit continuously monitors bus overload, cable break, bus short-circuit, missing termination resistor and power loss faults; each segment corresponds to an independent front panel LED indicator, maintenance staff can quickly locate faulty bus segments without portable fieldbus testers, shortening on-site troubleshooting cycle. The module supports 1:1 master-tracker redundant power configuration: two P0400VE units simultaneously supply power to the same FF H1 trunk line, seamless millisecond power switching occurs when the primary hub fails, no instrument dropout or communication interruption, eliminating single-point power failure risk for critical reactor, distillation and compressor FF H1 control loops.
Internal EMI LC filter circuit suppresses high-frequency switching noise generated by cabinet variable frequency drives and power supplies, providing clean low-noise DC power to ensure stable digital signal transmission on FF H1 bus. The PCB is coated with industrial IPC-CC-830 anti-corrosion conformal coating, complies with ISA S71.04 Class G3 harsh industrial standard, suitable for offshore oil & gas Zone2 hazardous corrosive control room environments.
FOXBORO original production of P0400VE has been discontinued; currently only surplus new stock and fully tested refurbished spare units are supplied for maintenance and transformation of aging I/A Series DCS FF H1 fieldbus systems in power, petrochemical and chemical plants.
