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Product Overview
The Honeywell FS-TIDI-1624 is a high-integrity Safe Digital Input Module designed specifically for use within Honeywell’s Safety Manager and Experion PKS systems. It is developed for mission-critical industrial safety applications, where reliable acquisition and secure processing of digital input signals are paramount.
This module is SIL3-certified in accordance with IEC 61508, enabling it to be deployed in the most demanding safety instrumented systems (SIS) in oil & gas, petrochemical, refining, and power generation industries. Its rugged design supports operation in harsh environments while maintaining high-speed, fail-safe data acquisition from field digital devices such as switches, relays, and pressure transmitters.
Product Specifications
| Parameter | Specification |
|---|---|
| Model Number | FS-TIDI-1624 |
| Module Type | Safe Digital Input Module |
| Number of Channels | 16 isolated digital input channels |
| Input Voltage Range | 18–32 VDC |
| Logic 1 Level | ≥ 15 VDC |
| Logic 0 Level | ≤ 5 VDC |
| Input Current | ≤ 5 mA at 24 VDC |
| Response Time | < 10 ms |
| Isolation Voltage | 1500 V (channel-to-backplane and channel-to-channel) |
| Diagnostics | Line fault detection, short/open circuit detection |
| Certification | IEC 61508 SIL3, TUV, ATEX, CE |
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity Range | 5% to 95% RH, non-condensing |
| Shock/Vibration | Complies with IEC 60068 |
| Mounting Type | DIN rail |
| Dimensions (W x H x D) | 265 × 70 × 48 mm |
| Weight | 0.45 kg |
| Backplane Communication | Redundant I/O network interface |
| Power Consumption | Max. 3.5 W |
Applications
The FS-TIDI-1624 is tailored for safety-critical applications that require strict input validation, integrity checks, and compliance with SIL3 safety standards. Typical applications include:
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Emergency Shutdown Systems (ESD)
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Fire and Gas Detection Systems (F&G)
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Burner Management Systems (BMS)
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Process Shutdown Systems (PSD)
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High-integrity pressure protection systems (HIPPS)
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Pipeline Monitoring and Safety Interlocks
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Hazardous Area Monitoring
The module is widely used in refineries, chemical plants, LNG terminals, and power stations where any input error or delay could lead to catastrophic outcomes.
Key Advantages
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SIL3 Certified: Ensures high safety integrity in compliance with IEC 61508.
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Fast Fault Detection: Built-in line fault diagnostics for rapid detection of open/short circuits.
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Hot-Swappable: Minimizes system downtime during maintenance or module replacement.
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Redundant Architecture Support: Designed for fault-tolerant system integration.
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Robust Environmental Tolerance: Operates under wide temperature and humidity ranges.
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Backplane Communication: Seamless integration with Honeywell’s Safety Manager and Experion PKS systems.
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High Channel Density: 16 DI channels reduce footprint and increase I/O density per rack.
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Ease of Configuration: Supported by Honeywell software tools for simplified configuration and diagnostics.
Frequently Asked Questions (FAQ)
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What does SIL3 certification mean for FS-TIDI-1624?
SIL3 certification confirms the module’s ability to perform its safety function reliably under high-risk applications according to IEC 61508 standards. -
Is FS-TIDI-1624 hot-swappable?
Yes, the module supports hot-swapping to facilitate maintenance without shutting down the system. -
Can the FS-TIDI-1624 be used in hazardous areas?
Yes, it meets ATEX and other explosion-proof certifications suitable for hazardous environments. -
How many digital input channels are supported?
It supports 16 isolated digital input channels. -
Does the module support redundant architecture?
Yes, it can be implemented in redundant configurations for high system availability. -
What input voltage range is supported?
It supports a voltage range of 18 to 32 VDC. -
Is diagnostics available on each channel?
Yes, each channel supports line fault detection including open and short-circuit monitoring. -
What is the typical application environment?
Commonly used in oil & gas, petrochemical plants, and energy facilities requiring SIL-rated digital input handling. -
How does it integrate with Safety Manager?
It communicates via a redundant backplane interface and is fully compatible with Honeywell’s Safety Manager systems. -
How is configuration and diagnostics performed for the FS-TIDI-1624 module?
The FS-TIDI-1624 is configured and monitored using Honeywell’s integrated engineering tools within the Safety Builder and Experion Control Builder environments.
Related or Same Series Models
| Model | Description | I/O Type | Channels | Certifications |
|---|---|---|---|---|
| FS-TIOL-1624 | Safe Digital Output Module | Digital Output | 16 | SIL3, TUV, ATEX |
| FS-AI-1620 | Analog Input Module | Analog Input | 16 | SIL2/3, CE, ATEX |
| FS-AO-1620 | Analog Output Module | Analog Output | 16 | SIL2, CE |
| FS-DO-0824 | Digital Output Module with Relay Switching | Digital Output | 8 | SIL3, TUV |
| FS-PDC-1800 | Power Distribution Chassis for FS Modules | Power Interface | – | IEC/EN compliant |
| FS-CP-2701 | Communication Processor for FS System | Communication Unit | – | Redundant Ethernet, SIL3 |
Popular Models from Honeywell (Same Brand)
| Model | Description | Application | Key Feature |
|---|---|---|---|
| CC-PDIL01 | Pulse Digital Input Module for C300 Controller | C300 DCS System | Supports high-speed pulse signals |
| FC-TDIO11 | Digital I/O Module for Fail-Safe Systems | Safety Manager | Dual-purpose input/output |
| CC-TAIX01 | Analog Input Module for C300 Controller | Experion PKS | High accuracy HART-enabled |
| CC-PAIH01 | HART Analog Input Module | Process Automation | 8 HART AI channels |
| CC-TCF901 | Controller Firmware Card | Redundant C300 Controller | Primary firmware management |
| TK-OAV061 | Output Analog Voltage Module | SCADA Systems | Precision analog voltage output |
