Comnet FDC24NL 24 Channel Duplex Contact Closure Transceiver (Non-Latching Relays), RS-422 Interface

The Comnet FDC24NL 24 Channel Duplex Contact Closure Transceiver is engineered to provide seamless transmission of up to 24 independent duplex dry switch or relay contact closures using a single SFP optical port or a four-wire RS-422 copper circuit. This versatile device ensures robust communication with features that safeguard against transmission errors, offering exceptional reliability for demanding environments.

Comnet FDC24NL Features

• Multiple Unit Support: Allows for one-to-many or many-to-one contact closure scenarios, enhancing flexibility in system design.
• High Channel Capacity: Transmits up to twenty-four duplex independent dry switch or relay contacts over one SFP fiber port or via a 4-wire RS-422 copper circuit, ensuring efficient data handling.
• Environmental Compliance: Built to meet NEMA TS-1/TS-2 and Caltrans specifications, ensuring reliable operation under various environmental conditions.
• Status Indicating LEDs: Provides real-time monitoring of contact closure status and alerts for summary faults, improving system diagnostics.
• Cascadable Data Bus: Facilitates easy system expansion with a unique design that allows for connection of up to 12 uniquely addressed units for a total of 288 duplex contacts.
• Current Limiting Features: Automatic resettable solid-state current limiters enhance device protection and performance.
• Hot-Swappable Modules: Enables quick maintenance and upgrades without downtime, ideal for mission-critical applications.
• Mounting Versatility: Units can be interchangeably wall or rack-mounted, with options for DIN-rail mounting using Comnet adapter plates.

Comnet FDC24NL Specifications