Products Description
Honeywell 6200055 FSC Rack Backplane Board

Technical Specifications
Model:6200055
Brand:Honeywell
Product type:FSC safety rack backplane board
System series:FSC Fail Safe Controller SIS
Bus type:Parallel system backplane bus
Compatible modules:FSC controller,analog input,digital input,digital output modules
Redundancy:Supports DMR dual modular redundant / QMR quadruple modular redundant architecture
Power bus:5V DC,24V DC power distribution
Operating temperature:0~+60℃
Relative humidity:5~95% non-condensing
Weight:1.17kg
Certification:CE,TÜV
System compatibility
Designed for Honeywell FSC safety instrumented system(SIS),installed inside FSC safety rack.It provides power distribution and backplane bus communication for FSC safety processor and I/O modules,interconnects with Honeywell Experion PKS DCS,widely used in petrochemical,oil & gas,chemical refining ESD emergency shutdown and fire & gas safety interlock systems.
Function
6200055 is FSC rack backplane bus board.It provides power supply distribution and high-speed parallel backplane data bus for all plug-in modules in the FSC rack.Realizes data exchange between safety controller and I/O modules via onboard bus traces.Supports DMR and QMR redundant safety architecture,ensures reliable signal transmission for safety logic calculation.All module slots are equipped with continuous circuit monitoring function.
Installation
Fixed inside FSC rack chassis,install modules vertically into backplane slots,wire rack power supply to backplane terminals,configure redundancy parameters via Honeywell FSC engineering software.
Interface
‑Module gold finger connectors for each slot
‑Rack power input terminals
‑Internal bus signal traces
‑Status test points
Circuit feature
Multi-layer PCB design,anti-surge protection,stable power distribution,high noise immunity,continuous bus integrity detection,meets SIL3 safety system hardware requirements.
Feature
6200055 belongs to Honeywell FSC SIS rack accessory series.Common faults:gold finger oxidation,PCB trace aging,power circuit damage.Confirm FSC rack firmware and rack cabinet model before replacement.
Diagnostic
Channel open circuit,bus communication failure,slot power abnormality or backplane hardware fault triggers alarm and upload diagnostic information to safety workstation.

Built‑in function
Power distribution and backplane bus signal transmission for FSC safety rack,used for SIS safety spare replacement.
Product Brief
6200055 is Honeywell FSC SIL3 safety rack backplane board,supports DMR/QMR redundant architecture.Check FSC rack compatibility before ordering.ESD anti-static protection required during installation.