TSDI-1624 Honeywell FSC 16-Channel 24VDC Input Assembly

Availability: 20 left in stock

Product Overview The Honeywell FS-TSDI-1624 (also identified by part numbers FC-TSDI-1624 and TSDI-1624) functions as a Fail Safe Digital Input...

SKU: FS-TSDI-1624

Manufacturer: Honeywell
Product No.: FS-TSDI-1624
Product Type: Field Termination Assemblies
Product Origin: USA
Payment:T/T, Western Union
Weight: 500g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Product Overview

The Honeywell FS-TSDI-1624 (also identified by part numbers FC-TSDI-1624 and TSDI-1624) functions as a Fail Safe Digital Input Field Termination Assembly (FTA). This 100% brand-new, original hardware serves as the high-integrity interface between external field wiring and the Fail Safe Controller (FSC) or Safety Manager system. Designed for mission-critical Safety Instrumented Systems (SIS), the FS-TSDI-1624 collects signals from emergency stop buttons, pressure switches, and sensors to ensure the deterministic execution of safety logic in hazardous industrial environments.

Technical Specifications

The FS-TSDI-1624 incorporates dedicated circuitry for signal conditioning and system isolation across its 16 channels.

Attribute	Technical Detail
Model Number	FS-TSDI-1624 / FC-TSDI-1624
Module Type	Safe Digital Input FTA
Channel Count	16 Input Channels
Input Voltage	24 V DC
Input Current	7 mA per channel
Interconnection	SICC-0001/Lx System Interconnection Cable
Terminal Type	Industrial Screw Terminals
Operating Temperature	-40 °C to +70 °C
Safety Standard	IEC 61508 (SIL rated)
Protection	Conformal coating for harsh environments
Weight	0.5 kg (Module only)

Engineering Advantages

The Honeywell FS-TSDI-1624 provides specialized capabilities that satisfy the rigorous demands of global safety standards:

SIL-Certified Signal Integrity: The module meets IEC 61508 standards for use in safety-critical loops. By utilizing the TSDI-1624, engineers ensure that digital inputs for Emergency Shutdown (ESD) and Fire and Gas (F&G) systems maintain the highest level of diagnostic coverage.
Redundant Interconnect Support: The integrated SIC connector facilitates a direct link to redundant pairs of SDI-1624 modules via SICC-0001/Lx cables. This dual-path architecture eliminates single points of failure, maintaining safety monitoring functions even if one controller module requires maintenance.
Ruggedized Environmental Protection: Conformal coating comes standard on the FS-TSDI-1624. This layer repels moisture, dust, and corrosive contaminants, allowing the FTA to operate reliably within a wide temperature range from -40 °C to +70 °C—ideal for unconditioned remote instrument enclosures (RIE).
Advanced Fault Diagnostics: The FTA constantly monitors for open circuits, short circuits, and signal discrepancies. Consequently, the system identifies field-side wiring faults instantly, allowing operators to rectify issues before they result in a "fail-to-danger" scenario or an unnecessary process trip.

FAQs

What cable is required to connect the FS-TSDI-1624 to the system?

The FS-TSDI-1624 requires the SICC-0001/Lx system interconnection cable. This cable links the SIC connector on the FTA to the corresponding SDI-1624 digital input modules in the controller rack.
Can I use this module in non-safety applications?

While technically possible, the FS-TSDI-1624 is specifically engineered and certified for Fail Safe and Safety Instrumented Systems. Using it in standard DCS applications may be cost-ineffective compared to using standard Series C or Experion PKS I/O.
Does the FTA support redundant SDI-1624 modules?

Yes. The architecture allows a single FS-TSDI-1624 FTA to interface with a redundant pair of SDI-1624 input modules, ensuring continuous signal acquisition during hardware switchovers or module replacements.
How does the 24 VDC power distribution work?

The FTA distributes 24 VDC to the field devices through the screw terminals. It manages the current flow (~7 mA per channel) to ensure that switch contacts and sensors receive stable power for reliable state detection.

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.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

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.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

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.