FC-SDI-1624M 24VDC Input Module - Honeywell

Honeywell FC-SDI-1624M Digital Input Module

The Honeywell FC-SDI-1624M is a digital input module. It works with Safety Manager systems. This module provides 16 channels of 24VDC input for safety-critical applications.

Technical Specifications

• Brand & Model: Honeywell FC-SDI-1624M
• Module Type: Digital Input Module
• Channel Count: 16 Digital Inputs
• Input Voltage: 24 VDC
• Input Current: 8 mA per channel
• Input Impedance: 3.0 kΩ
• ON State Voltage: >15 VDC
• OFF State Voltage: <5 VDC
• Response Time: <2 ms
• Module Weight: 0.6 kg (1.32 lb)
• Dimensions: 125 × 105 × 40 mm

Safety Certifications

• SIL Rating: SIL3 Certified (IEC 61508)
• Safety Integrity: High-integrity input monitoring
• Diagnostic Coverage: >99%
• PFH: < 1.0 × 10⁻⁷
• MTBF: >500,000 hours

Electrical Specifications

• Power Supply: 24 VDC ±15%
• Power Consumption: 3.5 W typical
• Isolation Voltage: 1500 Vrms (field to logic)
• Input Filter: 1 ms programmable
• Wet/Dry Contact: Configurable
• Field Power: 24 VDC provided externally

Environmental Specifications

• Operating Temperature: -20°C to +70°C (-4°F to +158°F)
• Storage Temperature: -40°C to +85°C (-40°F to +185°F)
• Humidity: 5-95% non-condensing
• Vibration Resistance: 5g @ 10-150 Hz
• Shock Resistance: 25g
• Protection Rating: IP20

Input Characteristics

• Input Type: Sink/Source Configurable
• Maximum Continuous Input: 30 VDC
• Input Capacitance: 10 nF
• OFF State Current: <1.5 mA
• ON State Current: >3.5 mA
• Channel Grouping: 8 channels per common

Frequently Asked Questions

How many input channels does it have?

• 16 digital input channels with 24VDC operation. Each channel draws 8mA with <2ms response time.

What safety certification does it hold?

• SIL3 certified per IEC 61508 with >99% diagnostic coverage and PFH < 1.0 × 10⁻⁷.

What is the module weight?

• The FC-SDI-1624M weighs 0.6 kg (1.32 lb). Dimensions: 125 × 105 × 40 mm with IP20 protection.