Honeywell 24VDC Digital Output Module FS-DO-1224

Honeywell FS-DO-1224 Digital Output Module

The Honeywell FS-DO-1224 (and variant FC-DO-1224) is a safety-rated digital output module. It provides reliable switching for actuators, solenoids, and indicators in critical safety and control systems. This module is designed with robust protection features for industrial applications.

Technical Specifications

• Brand: Honeywell
• Model: FS-DO-1224 V1.0 / FC-DO-1224 CCV1.0
• Product Type: Digital Output Module
• Approvals: CE, TUV, UL, CSA
• Space Requirements: 4 TE, 3 HE (4 HP, 3U)
• Safety Rating: Designed for safety applications (typically up to SIL 3)

Power Requirements

• Logic Power (Backplane): 5 Vdc, 25 mA
• Output Power: 24 Vdc, 2 * 30 mA (without output load)
• Separate power domains for logic and field outputs ensure stability

Output Channel Specifications

• Number of Channels: 12 Channels
• Grouping: 2 groups of 6 channels
• Output Type: 24 Vdc solid-state source
• Protection: Short-circuit proof
• Maximum Current per Channel: 550 mA
• Voltage Drop: < 1.5 Vdc at 500 mA
• Off Current (Leakage): < 0.1 mA

Load Specifications

• Maximum Lamp Load: 275 mA (6.6 W) per channel
• Maximum Load Capacitance: 1 μF per channel
• Capable of driving inductive loads like solenoids and small relays
• Specifications ensure compatibility with a wide range of field devices

Diagnostics & Monitoring

• Watchdog (WDG) Input Current: 0.06 mA
• Internal diagnostics for channel status and fault detection
• Supports system health monitoring and preventive maintenance

Installation Guide

• Install the module in a compatible Honeywell safety or control system rack.
• Connect the 5Vdc backplane power and the external 24Vdc output power supply.
• Wire field devices (e.g., solenoid valves, indicators) to the output channels.
• Observe the maximum current ratings and group wiring guidelines.
• Configure the module and its diagnostics within the system engineering software.

Packaging & Shipping

• Package Includes: One FS-DO-1224 or FC-DO-1224 digital output module.
• Includes mounting hardware and documentation.
• Shipped in protective, anti-static packaging.
• International shipping via FedEx, UPS, and DHL is available.

Frequently Asked Questions

• How many outputs does this module have? It provides 12 independent digital output channels.
• What is the output voltage and current? It provides a 24 VDC sourced output with a maximum continuous current of 550 mA per channel.
• What does "short-circuit proof" mean? The outputs are protected against damage if accidentally short-circuited to ground.
• Can it drive lamps directly? Yes, it can drive indicator lamps with a maximum load of 275 mA (6.6W) per channel.
• What are the power supply requirements? It requires both 5VDC (from the backplane for logic) and 24VDC (external, for powering the outputs).