Honeywell FC-SDI-1624 is a Safe Digital Input Module designed for Experion PKS safety instrumented systems (SIS). It has 16 24V DC channels, meets SIL 2/3 compliance, features fault diagnostics (open/short), galvanic isolation, -40°C to +70°C operation, and UL/CE certifications—ensuring reliable safety-critical signal monitoring (e.g., emergency stops, interlocks).
Warranty: All new or repaired parts have a 12-month warranty
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Key Features
ψSafety Certification & Compliance
Achieves SIL3 safety integrity level in accordance with IEC 61508 (functional safety of electrical/electronic/programmable electronic safety-related systems) and IEC 61511 (functional safety for process industry sector), ensuring reliable performance in critical safety-related applications (e.g., emergency shutdown systems, process interlocks in oil & gas, chemical, or power plants).
ψDigital Input Configuration
Features 16 independent safe digital input channels, designed to accept 24VDC wet or dry contact signals—compatible with field devices like emergency stop buttons, safety sensors, pressure/temperature trip switches, and limit switches commonly used in industrial safety loops.
ψRobust Safety Isolation
Incorporates channel-to-channel and channel-to-system backplane galvanic isolation (typically 2500VDC), preventing electrical interference, ground loops, or fault propagation between channels. This isolation enhances signal integrity and protects the module from damage caused by external voltage transients.
ψComprehensive Fault Diagnostics
Equipped with built-in self-diagnostics (e.g., internal power supply monitoring, channel open/short circuit detection, and module hardware fault checking) and external signal validation. Diagnostic data is transmitted to connected safety controllers (e.g., Honeywell FSC Fail-Safe Controller) for real-time alerting, enabling proactive maintenance and minimizing downtime.
ψFast Response Time
Delivers ultra-fast input response (typically <10ms per channel) to quickly detect changes in field safety signals—critical for triggering timely safety actions (e.g., shutdowns) and meeting strict safety loop performance requirements.
ψSystem Integration
Seamlessly compatible with Honeywell’s industrial safety and control ecosystems, including the Experion PKS Distributed Control System (DCS) and FSC Fail-Safe Controller. It supports standard communication protocols for safety loop data exchange, ensuring synchronized operation with upstream safety logic and downstream field devices.
ψEnvironmental Resilience
Engineered to operate reliably in harsh industrial conditions, with a wide operating temperature range (-40°C to 85°C) and compliance with IEC 61000-6-2 (industrial immunity) and IEC 61000-6-4 (industrial emission) standards. It also features dust and moisture protection (typically IP20 for the module itself, when used with compatible terminal assemblies).
ψMaintenance-Friendly Design
Includes per-channel LED status indicators (e.g., “Input Active,” “Fault,” “Power”) for quick visual troubleshooting of channel health and module status. Supports standard 35mm DIN rail mounting for easy integration into control cabinets, and is compatible with Honeywell’s dedicated field termination assemblies (e.g., TS-Series) for tool-less wiring and simplified module replacement.
Joyoung International Trading Co., Ltd is a leading global supplier of control system components. We specialize in control systems and drives. With many years of experience in the industrial sector, we consistently deliver the highest quality of spare parts.
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