The 5704F Fire Control Card provides control, display, and alarm capabilities for up to four independent loops (or zones) of fire detection. Depending on the detector type, each loop may accommodate multiple detectors.
Key Features
- Two fault-monitored switched DC outputs
- A minimum of six volt-free outputs
- Clear LED front panel indicators showing the status of all input and output loops, as well as overall card status
- A push-button for selection with the Fire Status Panel and Engineering Card
Operation is microprocessor-controlled and fully configurable to suit a wide range of fire detectors and application requirements. Setup information is stored in non-volatile memory on the fire card, ensuring settings are retained during power loss. Additionally, user-selectable jumper links are provided to maintain compatibility with certain system configurations. This single fire card is suitable for all common applications; no additional plug-in modules are required.
Four Channel Control Card Functions
Sensor Power Supply
Provides the necessary voltages and currents to drive the connected fire detection sensors.
Signal Processing
Receives and processes incoming sensor signals from all connected detectors.
Signal Evaluation
Compares each loop's input signal with pre-defined fault and alarm thresholds.
Alarm and Fault Indication
When thresholds are exceeded, the card activates alarms or fault indicators by:
- Illuminating front panel LEDs
- Operating relays and/or switched DC outputs
Communication
Transmits input status information to other connected cards in the system.
Self-Monitoring and Validation
Continuously validates the operation of its:
- Circuit components
- Software
- Loop inputs, remote inputs, and DC switched outputs
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