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The FC-SCNTO2 is a TÜV-certified SIL3 industrial C-Series core safety controller module. Featuring a 24-bit processor and expanded memory for complex interlock logic, it supports seamless backward compatibility, non-disruptive online hot-swapping, and dual-channel redundancy, while operating reliably across a wide temperature range of -40°C to 85°C in harsh environments.
The FC-SCNT02 module can replace the FC-SCNT01 module online
The FC-SCNT02 is supported from Safety Manager SC release R200.2 and higher
The FC-SCNT02 module can be used as spare part for the FC-SCNT01 module
The FC-SCNTO2 controller module serves as the central logic processing unit of Honeywell's industrial process safety management system, widely deployed in the safety interlock loops of continuous production lines such as crude oil extraction, petrochemical refining, and large-scale high-risk chemical operations. In terms of physical construction, it utilizes the industrial-grade C-Series hardware packaging architecture, incorporating a high-speed 24-bit microprocessor alongside expanded capacities of onboard flash memory and RAM.
The integration of these hardware resources enables the FC-SCNTO2 to execute complex safety control algorithms, emergency shutdown (ESD) logic, and local sequence of events (SOE) recording accurate down to the millisecond level at high frequencies. During routine operation, it links tightly with safety digital input/output (SDIO) modules via the backplane bus to monitor the signal statuses of various field pressure, temperature, and level transmitters in real time. Once a preset critical trip point is triggered, the module issues deterministic de-energize or isolation commands to field actuation valves or circuit breakers within an extremely tight time window.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Honeywell FC-SCNTO2 Controller Module Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Oil & Gas Exploration
Used for emergency shutdown (ESD) control on offshore platforms and onshore oil/gas wells.
Petroleum Refining
Monitors fire and gas (F&G) safety in high-risk core process sections like hydrocracking and catalytic cracking.
Petrochemical Manufacturing
Serves as the core safety barrier for ethylene cracking furnaces and polymerization reactors.
Coal Chemical Industry
When the oxygen-to-coal ratio trips in a gasifier, FC-SCNT02 cuts off the oxygen supply within milliseconds to prevent a catastrophic explosion.
Thermal Power Generation
Upon accidental boiler flameout, the module immediately shuts fuel gas or oil lines to prevent fuel accumulation and subsequent furnace explosions during re-ignition.
Nuclear Power Generation
Applied in safety interlocks of Balance of Plant (BOP) auxiliary systems in nuclear power stations.
When using the FC-SCNTO2, a standard 24V DC regulated power supply must be used, and it is strictly forbidden to exceed its broad operating temperature range of -40°C to 85°C or use it in humid environments with condensation. During online hot-swapping or when pairing it with a legacy FC-SCNT01 for redundancy, always verify firmware and software compatibility to ensure seamless underlying logic synchronization. Since it is a high-level safety-certified control hardware, if any internal component is compromised, field soldering or circuit modifications are strictly prohibited and the module must be replaced as a whole unit or returned to the factory for servicing.
Alternative Names
Alternative Names
FC SCNTO2FC-SCNT02SCNTO2FC/SCNTO2
Technical notes
Technical notes
The Honeywell FC-SCNTO2 is the central safety controller processor module for the Safety Manager SC platform. Certified up to the highest SIL3 safety rating by TÜV Rheinland, it handles critical safety logic and event recording for high-risk process industries like oil and gas. The module offers full backward compatibility with the legacy FC-SCNT01, supporting non-disruptive online hot-swapping, dual-channel redundancy, and advanced DNP3 protocols. Built for harsh conditions, it operates within a wide temperature range of -40°C to 85°C, ensuring robust, millisecond-level safety protection in industrial environments.
It is a core safety controller processor module within the Honeywell Safety仪表系统 (SIS), primarily used for safety protection in high-risk industrial environments.
Which system category does FC-SCNTO2 belong to in industrial automation?
It belongs to the safety control and logic processing subsystem within a Distributed Control System (DCS), typically serving as the core of a Safety Instrumented System (SIS).
What is the difference between FC-SCNTO2 and the previous generation FC-SCNT01 module?
The FC-SCNTO2 features larger memory capacity and enhanced processing speeds, alongside native support for the DNP3 Outstation communication protocol.
Can FC-SCNTO2 replace a running FC-SCNT01 module online?
Yes, it is fully pin-to-pin compatible with the older hardware, supporting online hot-swapping and seamless upgrades without system downtime.
How to install and use the FC-SCNTO2 module in an industrial field?
The module needs to be inserted vertically into the designated Safety Manager SC (C-Series) chassis base and secured using the locking screws.
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