Honeywell FC-SDO-1624 Digital Input Module

Honeywell FC-SDO-1624 Digital Input Module: High-Density Signal Acquisition

The FC-SDO-1624 from Honeywell is a high-performance 16-channel digital input module. It reliably interfaces discrete field devices with control systems. 

Detailed Technical Specifications

• Brand & Manufacturer: Honeywell
• Model Number: FC-SDO-1624
• Product Type: 16-Channel Digital Input Module
• Input Channels: 16 isolated digital inputs
• Input Voltage Level: 24 VDC nominal (18-30 VDC range)
• Input Current per Channel: 3 mA typical at 24 VDC
• ON-State Signal Level: 15-30 VDC (Logic "1")
• OFF-State Signal Level: 0-5 VDC (Logic "0")
• Channel Scan Time: ≤ 5 ms per channel
• Isolation Voltage: 500 VAC between field side and logic side
• Operating Temperature: -25°C to +70°C (-13°F to +158°F)
• Storage Temperature: -40°C to +85°C (-40°F to +185°F)
• Protection Rating: IP20 (for installation in enclosures)
• Communication Bus: Proprietary high-speed backplane
• Mounting Type: 35 mm DIN rail mounting

Installation and Wiring Instructions

• Install the module on a standard 35 mm DIN rail inside a control cabinet.
• Maintain a clearance of at least 25 mm above and below the module for airflow.
• Use 0.2 - 2.5 mm² (AWG 24-14) wire for all field connections to the terminal blocks.
• Ensure proper grounding of the mounting rail and the control system chassis.
• Group and separate signal wiring from high-power AC cables to prevent noise.

Frequently Asked Questions (FAQ)

• What devices connect to this input module? It connects to switches, push buttons, proximity sensors, and other 24 VDC dry contact devices.
• What is the maximum wire length for inputs? For reliable operation, we recommend keeping wire lengths under 100 meters (328 feet).
• Can it handle AC input signals? No, the FC-SDO-1624 module is designed only for standard 24 VDC digital input signals.
• Is this module hot-swappable? No, you must power down the system's communication rack before installing or removing this card.

For integration support, system configuration, or to request a quote for the Honeywell FC-SDO-1624, please get in touch with our experts.

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