Honeywell FC-SCNT01 51454926-176 S300 Controller

This controller module serves as the central processing unit for Honeywell S300 distributed control systems. The FC-SCNT01 51454926-176 executes complex control algorithms with exceptional speed and precision. Its robust design supports both continuous process control and discrete manufacturing applications. This unit delivers reliable performance in demanding industrial environments with temperature variations.

Processing Power and Memory Configuration

The FC-SCNT01 51454926-176 incorporates a high-performance 32-bit microprocessor running at 266 MHz. This controller provides 16 MB of SDRAM for runtime operations and 8 MB of flash memory for program storage. The module supports up to 1024 digital I/O points or 256 analog channels. Furthermore, the onboard battery-backed RAM retains critical data during short power interruptions.

Parameter	Specification
Model Number	FC-SCNT01 51454926-176
Product Type	S300 Controller Module
Processor	32-bit, 266 MHz
SDRAM	16 MB for runtime data
Flash Memory	8 MB for firmware and programs
Battery-Backed RAM	512 KB for critical data retention
Maximum Digital I/O	1024 points
Maximum Analog Channels	256 channels
Communication Ports	2 x Ethernet, 2 x RS-232, 1 x RS-485
Scan Cycle Time	Adjustable from 10 ms to 500 ms

Physical Dimensions and Installation Details

The FC-SCNT01 51454926-176 measures 160mm wide, 120mm high, and 95mm deep. This controller weighs approximately 1.1 kilograms and mounts securely on a standard DIN rail. The front panel features a multifunction display that shows operational status and diagnostic codes. Additionally, the module includes a 5-position rotary switch for hardware addressing. The compact housing occupies minimal space while providing maximum processing capability.

Energy Storage and Power Consumption

This controller consumes 7.2 watts during normal operation and requires a 24V DC supply. The FC-SCNT01 51454926-176 includes a replaceable lithium battery for real-time clock backup. This battery maintains time and date settings for approximately 5 years under normal conditions. The module does not use supercapacitors or other large energy storage components. Consequently, the controller offers predictable power characteristics and straightforward maintenance procedures.

Communication and System Integration

The FC-SCNT01 51454926-176 supports multiple communication protocols, including Modbus and Honeywell proprietary networks. You can connect this controller to operator workstations, remote I/O racks, and third-party devices. The Ethernet ports enable high-speed data exchange with plant-wide information systems. Therefore, this controller provides seamless integration within both new and existing automation infrastructures.