FS-16DI-RL Honeywell 16-Channel 24VDC Relay Isolated DI

Availability: 20 left in stock

Product Overview The FS-16DI-RL is an authoritative 16-channel digital input module engineered for the Honeywell Experion PKS and Safety Manager platforms. This...

SKU: FS-16DI-RL

Manufacturer: Honeywell
Product No.: FS-16DI-RL
Product Type: Digital Input Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 550g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Product Overview

The FS-16DI-RL is an authoritative 16-channel digital input module engineered for the Honeywell Experion PKS and Safety Manager platforms. This module is a mechanical necessity for acquiring discrete (ON/OFF) signals from field devices such as push buttons, limit switches, and relay contacts in high-integrity environments. Distinguishing itself through integrated relay isolation per channel, the FS-16DI-RL provides an enhanced layer of electrical safety and noise immunity, preventing field-side transients from affecting the core logic solver. Its expertise-driven design facilitates the monitoring of both dry contacts and 24 VDC logic signals, making it a trustworthy component for mission-critical safety instrumented systems (SIS).

Detailed Technical Specifications

Attribute	Details
Manufacturer	Honeywell
Model Number	FS-16DI-RL
Product Type	Digital Input Module (Relay Isolated)
System Compatibility	Honeywell Experion PKS, Safety Manager
Channel Density	16 Digital Input Channels
Input Signal Types	Dry contact, 24 VDC logic signals
Input Voltage Range	18–30 VDC
Isolation Type	Individual Relay Isolation per channel
Diagnostics	Channel health monitoring and fault detection
Operating Temperature	0 °C to +60 °C (32 °F to 140 °F)
Humidity	5% to 95% Non-condensing
Weight	0.5–0.7 kg
Certifications	CE, UL, CSA Industrial Compliance

Engineering and Operational Guidelines

Safety Isolation: The FS-16DI-RL utilizes relay-based isolation, which is a mechanical necessity in plants with significant electrical noise or varying ground potentials. This physical separation ensures that field-side faults do not propagate to the system backplane.
Safety Manager Integration: In safety-critical applications, the module provides authoritative feedback to the Safety Manager logic, ensuring that Emergency Shutdown (ESD) or Fire and Gas (F&G) systems receive untainted signal data.
Redundancy Planning: For maximum system availability, the FS-16DI-RL is typically deployed in redundant configurations. This setup allows the system to maintain trustworthy monitoring even if a single module requires maintenance.
Diagnostic Capability: Integrated diagnostics monitor the health of the internal relay circuitry and external loop integrity, providing engineers with real-time status updates to prevent "silent failures" in the safety loop.

Technical FAQ

Why choose relay isolation over opto-isolation for the FS-16DI-RL?

Relay isolation offers a higher degree of physical separation and is often preferred in environments requiring absolute galvanic isolation to meet specific plant safety standards. It is particularly effective at blocking high-energy surges.

Does this module support "Dry Contact" sensors?

Yes. The FS-16DI-RL is optimized for dry contact acquisition. It provides the necessary interrogation voltage to sense the state of volt-free field switches.

What is the significance of the "FS" prefix?

The "FS" designation indicates that the module is part of the "Fail-Safe" lineup, making it suitable for use in Safety Instrumented Functions (SIF) within a Honeywell Safety Manager architecture.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

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Maintenance Manager, USA

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Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

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Engineering Lead, Germany

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We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.