Honeywell FS-SDO-04110 Safe Digital Output Module

Honeywell FS-SDO-04110 Safe Digital Output Module

The Honeywell FS-SDO-04110 is a safety-certified digital output module designed for critical control applications. With 4 independent channels rated for 110VDC, this module provides reliable switching for safety instrumented systems requiring the highest levels of integrity and diagnostic coverage.

Core Specifications

• Brand: Honeywell
• Model: FS-SDO-04110
• Product Type: Safe Digital Output Module
• Number of Channels: 4 Channels
• Output Voltage: 110 VDC maximum
• Output Current: 0.32 A per channel continuous
• Safety Certification: SIL 3 (IEC 61508)

Electrical Characteristics

• Output Type: Safe, electronically fused solid-state switch
• On-State Voltage Drop: ≤ 1.8 V at 320 mA
• Leakage Current (Off-State): ≤ 100 µA
• Short-Circuit Current (Limiting): ≤ 650 mA
• Turn-On Time: ≤ 3 ms (10%-90%)
• Turn-Off Time: ≤ 2 ms (90%-10%)

Safety Performance

• Hardware Fault Tolerance (HFT): 1
• Diagnostic Coverage (DC): ≥ 99% per channel
• Mean Time To Failure (MTTFd): > 100 years (per EN ISO 13849-1)
• PFH Value: < 1×10⁻⁹ per hour (SIL 3 capability)
• Dual-channel comparison architecture for safety monitoring

Isolation & Environmental

• Isolation (Field to Logic): ≥ 500 V AC, Basic isolation
• Overvoltage Category: III (according to IEC 60664-1)
• Pollution Degree: 2
• Operating Temperature: -20°C to +60°C
• Storage Temperature: -40°C to +85°C

EMC & Approvals

• EMC Emissions: Class A (EN 61000-6-4)
• EMC Immunity: Industrial environment (EN 61000-6-2)
• Safety Approvals: ATEX, IECEx (pending)
• Additional Certifications: CE, UL, CSA (standard)
• Designed for harsh industrial electromagnetic environments

Power Requirements

• Backplane Power (Logic): 5V @ 80 mA typical
• Field Power: 24V @ 45 mA typical (excluding output load)
• Total Power Dissipation: ≤ 4 W maximum
• Separate power domains ensure isolation between logic and field circuits

Physical Specifications

• Module Dimensions: 120 × 70 × 40 mm (H × W × D)
• Weight: 280 grams
• Mounting: DIN rail TS35/7.5
• Connector Type: Removable screw terminals
• Wire Size: 0.5-2.5 mm² (AWG 20-14)