Honeywell FC-SDI-1624

Product Name: Safety Digital Input Module 24V DC

Product Introduction: The FC-SDI-1624 is a 16-channel 24 VDC digital input module for Honeywell FSC and Safety Manager systems, designed to safely acquire on/off status from field switches.

Category: Honeywell

Description

Technical Specifications:

Channels: 16 Independent Inputs
Rated Voltage: 24 VDC (Range 0–30 VDC)
Input Type: Dry/Wet Contact, TTL Compatible
Isolation: Opto-isolation 2500 VAC
Response Time: ≤ 10 ms (Typical 5 ms)

Functional Features: Detects open/closed contacts; provides channel status LEDs; supports hot-swap; prevents ground loop interference via optical isolation.

Performance Parameters:
Power Dissipation: < 3 W
Operating Temp: -20°C to +70°C
Humidity: 5%–95% non-condensing
Certifications: CE, UL, TUV (SIL context)

Material Composition: Flame-retardant enclosure; opto-coupler arrays; gold-plated backplane pins.

Structural Characteristics: Standard Safety Manager/C300 slot width; removable terminal interface (if applicable) or backplane wired; keyed mechanical coding.

Working Principle: Field voltage applied to input channel forward-biases internal opto-LED; phototransistor conducts sending logic ‘1’ to bus; absence of voltage reads ‘0’; isolation barrier blocks transient surges.

Advantages Highlights: High-density 16-ch occupancy; robust noise immunity; SIL-rated architecture support; visual channel diagnostics.

Applicable Industries: ESD Systems, BMS, FGS, Chemical, Power.

Model Series: Honeywell FSC / Safety Manager SDI Series.

Installation Requirements: Insert into compatible rack; ensure 24 VDC field power is isolated from logic ground unless specified; tighten terminals.

Usage Precautions: Verify wet/dry contact jumper settings if configurable; do not exceed 30 VDC input; check polarity for sinking/sourcing configuration; ensure 2500 VAC isolation is not compromised by external wiring.

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