Products Description
Honeywell 51196728100 Bus Termination Module

Technical Specifications
Model:51196728100
Brand:Honeywell
Product type:FSC backplane bus termination module
System series:FSC Fail Safe Controller SIS
Bus type:Parallel backplane system bus
Compatible modules:FSC main controller, I/O modules, system backplane, communication interface boards
Redundancy:Supports DMR dual modular redundant / QMR quadruple modular redundant configuration
Power bus:5V DC,24V DC power supply
Operating temperature:0~+60℃
Relative humidity:5~95% non-condensing
Weight:4.27kg
Certification:CE,TÜV,SIL3
System compatibility
This termination hardware is a dedicated component for Honeywell FSC safety instrumented system,installed at the tail slot of FSC rack backplane. It eliminates signal reflection and oscillation generated on the parallel bus,ensuring reliable data exchange between controller and each I/O card. It can work together with Experion PKS DCS,widely applied in oil & gas,petrochemical and refining plants for ESD emergency shutdown and fire & gas safety monitoring.
Function
51196728100 serves as the bus terminal matching unit of FSC SIS. It absorbs residual electric signals at the end of bus circuit,reduces signal distortion and cross-interference between adjacent modules. It continuously monitors bus waveform quality and helps maintain reliable communication links inside the whole safety rack.
Installation
Insert the module vertically into the reserved termination slot on FSC rack backplane. Complete backplane power and signal wiring,inspect bus signal quality through Honeywell FSC engineering software.
Interface
‑Gold finger connector for backplane bus terminal access
‑Precision impedance matching circuit inside the board
‑Reserved test points for waveform measurement
‑LED indicators for bus health and fault prompt
Circuit feature
Adopts conformal coated multi-layer PCB,equipped with high-precision passive matching components and overvoltage protection circuit. Strong anti-electromagnetic interference performance,real-time circuit self-check,fully compliant with SIL3 functional safety requirements.
Feature
51196728100 is a spare termination board for Honeywell FSC SIS system. Typical failures include component parameter drift,gold finger oxidation and circuit aging. Check rack slot layout before replacement.
Diagnostic
The system will trigger safety alarm and push fault logs to safety workstation once abnormal bus waveform,signal reflection or hardware failure is detected.
Built‑in function
Backplane bus impedance matching and signal oscillation suppression for FSC safety rack,used for SIS bus termination spare replacement.
Product Brief
51196728100 is Honeywell FSC SIL3 bus termination module,supporting DMR/QMR redundant setup. Confirm rack compatibility before purchase. ESD anti-static protection is mandatory during handling and installation.