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- Honeywell
- 05704-A-0146
- Fire Control Card
- USA
- 172 x 25 x 132 mm
- 0.16 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Honeywell 05704-A-0146 Fire Control Card (also known as 5704F Fire Control Card) is a multi-zone fire detection and control module used in Honeywell System 57 / 5700 Series safety and fire detection systems.
It is designed to monitor multiple fire detection loops (zones) and execute control actions such as alarms, fault reporting, and output switching based on fire conditions. This module is a key component in industrial fire and gas safety systems.
Technical Specifications
| Item | Details |
|---|---|
| Manufacturer | Honeywell |
| Model | 05704-A-0146 |
| Product Type | Fire Control Card (5704F) |
| System Compatibility | Honeywell System 57 / 5700 Series |
| Function | Fire zone monitoring and control |
| Dimensions | 172 × 25 × 132 mm |
| Weight | 0.16 kg |
| Fire Zones | 4 independent fire detection zones |
| Outputs | 2 switched DC outputs + configurable relay outputs |
| Remote Input | Single 3-function input (reset / silence / accept) |
| Power Supply | 21–32 V DC |
| Operating Role | Fire detection control and alarm logic module |
Function Description
The 05704-A-0146 is used to monitor fire detection loops and manage system responses.
Its main functions include:
- Monitoring up to four fire detection zones
- Detecting fire, fault, open circuit, and short circuit conditions
- Triggering alarm outputs and external safety devices
- Providing relay-based output control for shutdown or warning systems
- Supporting manual reset, silence, and test functions via remote input
- Displaying system status through front-panel indicators
It acts as a central fire logic and response controller card within System 57 racks.
Working Principle
The module operates as part of the fire detection and safety control loop:
- Fire detectors or manual call points generate loop current signals
- The card continuously monitors current levels on each zone
- Signal conditions are interpreted as normal, fault, or fire alarm states
- Internal logic determines the required response
- Outputs are activated to trigger alarms, shutdowns, or external systems
This allows real-time detection and response to fire conditions in industrial environments.
System Role
Within Honeywell System 57 architecture, the 05704-A-0146 performs:
- Fire zone signal monitoring
- Alarm condition processing
- Safety output control (alarms, shutdowns)
- Fault detection and reporting
- System status indication and local control interface
It is part of the core safety and fire protection layer of the system.
Industrial Applications
The Honeywell 05704-A-0146 is used in:
- Oil and gas processing facilities
- Petrochemical plants
- Power generation stations
- Industrial fire and gas detection systems
- Hazardous area safety monitoring
- Honeywell System 57 / 5700 Series installations
Installation and Integration
- Installed in System 57 rack-based control systems
- Connected to fire detection loops and field sensors
- Interfaces with alarm devices such as sirens and beacons
- Integrated with shutdown and safety interlock systems
- Requires configuration by qualified fire safety engineers
- Used as part of certified industrial safety architectures
Compatible System Components
- Honeywell System 57 detector modules
- Fire and gas sensors (smoke, heat, flame detectors)
- Alarm devices (horns, beacons, sirens)
- Shutdown and interlock control systems
- Engineering and configuration interface modules
- System 57 power supply and rack modules
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| 05704-A-0146 | Fire control card | 4-zone fire monitoring | System 57 fire detection |
| 05704-A-0131 | Relay interface module | Output switching control | Alarm and shutdown systems |
| 5704F variants | Fire control cards | Similar architecture | System 57 compatibility |
| Honeywell 7800 series modules | Burner/fire control systems | Flame safety control | Combustion safety systems |
| PLC safety I/O modules | Programmable safety control | Flexible logic control | Modern automation systems |
Key Advantages
- Supports multi-zone fire detection
- Provides reliable alarm and fault monitoring
- Integrates fire detection with control outputs
- Strong isolation between detection and actuation
- Suitable for industrial safety-critical environments
- Supports manual and automated safety functions
- Proven reliability in legacy safety systems
Technical FAQs
Q1: What is the main function of the 05704-A-0146?
It monitors fire detection zones and controls alarms and safety outputs.
Q2: Does it only detect fire?
No. It also detects faults, open circuits, and short circuits in detection loops.
Q3: What system is it used in?
It is used in Honeywell System 57 / 5700 Series fire and gas safety systems.
Q4: Why is it important?
Because it provides centralized fire detection logic and safety output control.
Conclusion
The Honeywell 05704-A-0146 Fire Control Card is a critical safety module in Honeywell System 57 architectures. It manages multi-zone fire detection, processes alarm conditions, and activates safety outputs to protect industrial facilities.
It is widely used in high-risk environments such as oil and gas, petrochemical plants, and power generation facilities where reliable fire detection and response are essential for operational safety.