Siemens FDCI0223 I/O Module (2-Channel)

Description

Siemens FDCI0223 I/O Module (2-Channel)

Product Dimensions：

The Siemens FDCI0223 is a high-performance 2-Input/2-Output (I/O) module designed for use within the Sinteso FS20 and Cerberus PRO FS720 fire detection systems. It serves as a decentralized interface to monitor and control external equipment in safety-critical environments.

Product Detailed Description

The FDCI0223 is a modular bus-powered device that connects directly to the C-NET (FDnet) loop. It features two independent supervised inputs for monitoring dry contacts and two independent potential-free outputs (relays) for controlling external devices like fire dampers, ventilation fans, or elevators.

Technical Parameters

Product Advantages

• Integrated Line Isolator: Each module contains a built-in short-circuit isolator, ensuring that if a short occurs on the loop, the rest of the network remains operational.
• Flexible Monitoring: Inputs can be programmed to monitor different states (e.g., Open, Closed, Short-circuit, or Wire-break) using specific resistors.
• Bus-Powered Efficiency: Since it draws power directly from the C-NET loop, there is no need for external power supplies for the module’s logic, simplifying wiring.
• Diagnostic LEDs: Features an integrated LED indicator to show the status of the module (Communication, Fault, or Active), facilitating easier commissioning and troubleshooting.
• High Durability: When installed in a suitable housing (like the FDCH221), it reaches IP66 protection, making it suitable for damp or dusty industrial environments.

Important Considerations & Precautions

• Output Limitations: The relay outputs are rated for 30 V DC. Do NOT connect 230 V AC mains power directly to these relays, as it will destroy the module and pose a safety risk. For AC switching, use an intermediate industrial relay.
• Loop Loading: While the module is energy-efficient, ensure your C-NET loop calculation (using Siemens’ planning tool) accounts for the current draw of all modules to prevent voltage drops.
• Resistor Requirements: For inputs to be supervised correctly, end-of-line (EOL) resistors must be used. Ensure you follow the specific Siemens wiring diagram to avoid false “Open Circuit” or “Short Circuit” trouble signals.
• Firmware Version: Ensure the fire control panel’s software version is compatible with the FDCI0223 hardware revision.

Product Applications

The FDCI0223 is used for decentralized control and monitoring in various scenarios:

• Fire Damper Control: Monitoring the “Open/Closed” status of a fire damper and triggering the actuator to close upon a fire signal.
• Elevator Recall: Sending a signal to elevator controllers to ground the lifts in the event of an alarm.
• Ventilation Control: Shutting down AHUs (Air Handling Units) or triggering smoke extraction fans.
• Third-Party Integration: Monitoring dry contacts from third-party systems like gas detection, sprinkler flow switches, or security panels.

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