Products Description
Honeywell FC-SCNT01 51454926-176 S300 Safety Controller Module in stock
Honeywell FC-SCNT01 (P/N 51454926-176) is the main safety logic solver for Honeywell Safety Manager SC S300 SIS system. It adopts QMR 2oo4D fault-tolerant architecture, certified SIL3 by TÜV to execute safety interlock and ESD logic for high-risk process plants.

This hot-swappable controller supports redundant safety Ethernet communication and connects with FC-PUIO01 safety I/O modules via backplane bus. It is widely used as spare replacement for refinery, gas turbine and chemical ESD safety cabinets.

Data Parameters
1. Brand: Honeywell.
2. Model: FC-SCNT01, Part No: 51454926-176.
3. Product Type: S300 SIL3 Safety Main Controller.
4. Application: Safety Manager SC S300 SIS safety instrument system.
5. Feature: QMR 2oo4D architecture, SIL3, redundant safety Ethernet, hot swap.
6. Characteristic: TÜV SIL3 certified, ATEX / IECEx compliant, comprehensive self-test.
7. Communication: Safety backplane bus, Modbus TCP, safety Ethernet for BPCS interconnection.
8. Package: Complete controller module with front status indicator panel.
9. Mounting: S300 safety rack slot installation inside SIS cabinet.
10. Operating Temperature: -40℃ ~ +70℃.
Core Functions
1. Run safety logic program to implement emergency shutdown, burner management and safety interlock.
2. Read field signal data from FC-PUIO01 I/O modules and output trip commands reliably.
3. QMR fault tolerance ensures safety function continues even with internal single hardware failure.
4. Exchange alarm and diagnostic data with Experion PKS DCS through redundant Ethernet.
5. Record safety events and fault logs for safety audit, troubleshooting and maintenance.
Application Scenarios
1. Petrochemical plant SIS ESD safety cabinet spare replacement and maintenance.
2. Oil refinery and natural gas processing safety interlock renovation project.
3. Gas turbine, boiler and offshore platform safety control system cabinet.
4. Old Honeywell Safety Manager SC S300 safety rack upgrade and transformation.
5. Hazardous chemical factory SIL3 safety instrument system spare inventory backup.
FAQ
1. Q: What is Honeywell FC-SCNT01 51454926-176?
A: It is the SIL3 main safety controller for Honeywell S300 Safety Manager SC SIS system.2. Q: What I/O module does it match?
A: It works with FC-PUIO01 universal safety I/O module and FC-TUIO011 terminal base.3. Q: Is it compatible with Experion C300 DCS controller?
A: It belongs to SIS safety controller, can communicate with C300 but cannot replace DCS CPU.