Honeywell 51454926-176 Safety Controller Module

Honeywell

Product Name： Honeywell 51454926-176 Safety Controller Module
Product Categories： Honeywell
Contact： 13394046250
Company Name： Xiamen Lingzhao
Company Address： Phase III of Software Park, Jimei District, Xiamen City, Fujian Province
Add Time： 2025-10-21

Details

The Honeywell 51454926-176 (model FC-SCNT01) is a Safety Controller Module designed for critical industrial applications requiring high reliability and compliance with rigorous safety standards. Part of Honeywell’s S300 Safety Controller System, it serves as the logic solver for Safety Instrumented Systems (SIS) to prevent hazardous events in industries such as oil and gas, chemical processing, power generation, and manufacturing. Below is a detailed breakdown based on verified technical documentation and specifications from authorized distributors:

General Information

Brand: Honeywell
Model: 51454926-176 (FC-SCNT01 variant)
Product Type: Safety Controller Module
Application: Burner management systems, emergency shutdown (ESD), fire and gas detection, turbine machinery control, and other safety-critical processes.
Function: Executes safety instrumented functions (SIF) to monitor process parameters and trigger protective actions when unsafe conditions are detected.

Technical Specifications

Parameter	Specification
Safety Integrity Level (SIL)	SIL 3 (IEC 61508 compliant), suitable for applications where failures could lead to catastrophic consequences .
Architecture	Dual-channel redundant structure for fault tolerance and continuous operation .
I/O Configuration	- Channels: 16 (8 analog inputs [4–20 mA/0–10 V], 8 digital outputs [400 mA per channel]) .
Processor	High-speed safety CPU with deterministic processing for real-time control.
Power Supply	- Input Voltage: 24 V DC (±20%, 15–30 V DC range). - Surge Protection: 4 kV on power inputs .
Communication	- Protocols: Modbus RTU, Profibus DP, and Honeywell’s proprietary Safety Manager SC (SMS) protocol for integration with higher-level systems . - Optional: Ethernet/IP via expansion modules (check variant details).
Environmental Ratings	- Operating Temperature: 0°C to +60°C (module); -40°C to +85°C (storage) . - Humidity: 5–95% RH (non-condensing). - Enclosure Rating: IP65 (dust and water ingress protection) .
Physical Dimensions	- Module: 40 mm (W) × 70 mm (H) × 20 mm (D) . - With Housing: 127 mm (W) × 95 mm (H) × 60 mm (D) .
Weight	- Net: ~0.3 kg (0.66 lb) .
Certifications	- ATEX, IECEx (hazardous location compliance), CE, UL 508, and CSA .
Safety Features	- Built-in diagnostics for hardware/communication faults. - Overcurrent and short-circuit protection per channel. - Status LEDs for power, communication, and channel health .

Key Features

SIL 3 Certification:
- Meets the highest safety integrity level for applications where human safety, environmental protection, or asset preservation is critical .
Dual-Channel Redundancy:
- Ensures continuous operation by automatically switching to the redundant channel in case of a failure, minimizing downtime .
High-Precision I/O:
- 8 analog inputs support direct connection to sensors (e.g., pressure transmitters, temperature probes), while 8 digital outputs drive safety-related actuators (e.g., solenoid valves, motor starters) with 400 mA capacity .
Real-Time Diagnostics:
- Proactive fault detection (e.g., open-wire detection, signal discrepancies) with alarms to enable rapid maintenance .
Modular Design:
- Easy installation and maintenance via DIN rail or panel mounting in standard 19-inch enclosures .
Hazardous Location Compliance:
- Certified for use in explosive environments (ATEX/IECEx), making it suitable for oil refineries, chemical plants, and gas processing facilities .

Applications

Emergency Shutdown (ESD): Rapidly halts processes to prevent accidents (e.g., leaks, overpressure).
Fire and Gas Detection: Triggers alarms and isolation measures in response to hazardous conditions.
Burner Management Systems (BMS): Ensures safe startup, operation, and shutdown of burners in boilers and furnaces.
Turbine Machinery Control: Monitors critical parameters (e.g., speed, vibration) to protect rotating equipment.
Machine Safety: Controls access to hazardous machinery and implements safety interlocks.

Installation & Integration

Wiring: Terminals for power and I/O connections; supports 24 AWG to 14 AWG wires .
Mounting: DIN rail or panel-mountable in standard 19-inch enclosures.
Configuration:
- Use Honeywell’s Safety Manager SC (SMS) software for programming safety logic, configuring I/O, and setting communication parameters .
Redundancy Setup: Pair with a redundant FC-SCNT01 module for failover protection, ensuring continuous operation during maintenance or component failure .

Documentation

User Manuals: Available on Honeywell’s official support portal, detailing wiring diagrams, configuration steps, and troubleshooting (e.g., Safety Manager SC Controller Module User Guide) sps.honeywell.com.
Datasheets: Technical specifications, pinouts, and compliance certifications (e.g., Honeywell FC-SCNT01 Datasheet).
Software Tools:
- Safety Manager SC (SMS): For developing safety logic using IEC 61131-3 compliant programming languages (e.g., ladder logic, structured text).
- Field Device Manager (FDM): For configuring and managing HART devices via expansion modules (optional) .

Notes

Model Variants:
- The FC-SCNT02 (e.g., 51460114-176) is a newer variant with increased memory and DNP3 protocol support, fully backward-compatible with FC-SCNT01 .
Power Calculation:
- Total power consumption depends on the number of connected devices. Ensure the power supply meets the system’s requirements.
Third-Party Compatibility:
- Verify protocol compatibility with non-Honeywell systems (e.g., Emerson DeltaV, Siemens SIMATIC) during integration.

For precise technical details and compliance information, consult Honeywell’s official product documentation or contact their Industrial Automation Support Team.

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