Name: Honeywell FC-TSKUNI-1624 | Safety Manager RIO FTA Knife |...
Brand: Honeywell
Price: 1562.00 USD
Availability: InStock

Description

Model: FC-TSKUNI-1624
Brand: Honeywell
Series: Safety Manager (SM) RIO
Core Function: Terminates and interfaces 16 RUSIO channels
Type: Safe FTA / Knife Terminal Field Termination Assembly
Key Specs: 16 channels; 24 VDC; 37-pin Sub-D interface; DIN EN rail mounting
Associated Hardware: FC-TSKUNI-1622 functional-test adapter

Product Introduction

Honeywell FC-TSKUNI-1624 is a Safe Field Termination Assembly (FTA) knife used with the Honeywell Safety Manager Remote I/O (SM RIO) architecture. Its main job is straightforward: provide the field termination point between the system-side Sub-D connection and external RUSIO wiring. Honeywell safety certification documentation lists this catalog number as a 16-channel, 24 VDC SM/SC Safe FTA Knife.

The hardware uses a 37-pole Sub-D male connector and provides 16 channel termination sets. For maintenance teams, that makes the wiring interface particularly important. The unit is passive rather than a conventional logic-processing I/O module, so it should not be treated as a replacement for the associated Safety Manager I/O electronics.

Key Technical Specifications

Parameter	Specification
Model	FC-TSKUNI-1624
Manufacturer	Honeywell
Product Family	Safety Manager SM RIO
Product Type	Safe FTA / Knife Terminal Assembly
Channel Count	16 channels
Nominal Voltage	24 VDC
System Interface	37-pin Sub-D male connector
Terminal Arrangement	16 sets of two knife terminals
Channel Connection	A+ / A−
Wire Size	0.2–4 mm²
Maximum Terminal Torque	0.6 Nm
Mounting	DIN EN rail
Compatible Rail	TS32 / TS35 × 7.5
Dimensions	Approx. 175 × 70 × 57 mm
Certification	CE, UL, CSA; certification details depend on configuration

The published Honeywell safety documentation identifies this part within the Safety Manager certification set. A third-party technical listing also specifies the 16-channel termination arrangement and DIN-rail mounting.

Honeywell FC-TSKUNI-1624

Application and Selection Notes

The unit is primarily relevant to Honeywell Safety Manager RIO installations where field wiring needs to be terminated through the dedicated FTA architecture. The FC-TSKUNI-1624 is commonly associated with the FC-TSKUNI family, while the FC-TSKUNI-1622 is used as an active functional-test adapter in the related test arrangement.

One detail matters during procurement: do not confuse the TSKUNI and TSPKUNI variants. Honeywell’s safety documentation lists them as separate catalog numbers with different configurations.

For a replacement order, compare the existing FTA label, connector, channel wiring, rail arrangement, and associated RIO hardware. A similar-looking termination assembly is not automatically interchangeable.

Quality Inspection and Shipping

For MRO stock, I would inspect the unit in this sequence:

Incoming inspection: Verify the Honeywell label, complete part number, connector, terminal blocks, rail clips, and enclosure condition.
Visual inspection: Check for cracked plastic, corrosion, loose terminals, damaged knife contacts, or evidence of field modification.
Continuity test: Verify applicable channel paths from the Sub-D interface to the corresponding termination points.
Configuration check: Confirm channel numbering and wiring against the site drawing before installation.
Final QC: Record inspection results, photograph the nameplate and terminals, apply the QC record, and use protective packaging for shipment.

For international orders, the commercial invoice should describe it accurately as a Honeywell Safety Manager field termination assembly rather than simply calling it a “digital module.” That distinction helps avoid confusion during receiving and customs documentation.

Common Replacement Pitfalls

Channel numbering: The 16 channels must correspond correctly with the existing RIO wiring. Check the drawing before moving conductors.

Sub-D pinout: Never assume the 37-pin connector wiring is identical to another Honeywell FTA. Verify the actual pin assignment.

Variant confusion: FC-TSKUNI-1624 and FC-TSPKUNI-1624 are different catalog numbers. Confirm the complete part number.

Functional-test hardware: The termination assembly is not the same thing as the active test equipment. The related FC-TSKUNI-1622 performs a different role.

Terminal torque: Over-tightening small field terminals can damage the termination hardware. Follow the applicable Honeywell installation specification.

Personally, I would photograph the Sub-D connector, channel numbering, and every knife-terminal position before removing an existing unit. It takes a couple of minutes and gives the commissioning engineer a useful wiring reference.