Honeywell 900TEK-0001​ Terminal Extension Kit for HC900 Analog & Digital I/O – Detachable Screw-Clamp Field Wiring Base

Product Overview

The Honeywell 900TEK-0001​ is a Field Termination Assembly (FTA) / terminal extension kit—also referred to as a detachable terminal strip or terminal base—designed specifically for use with Honeywell ControlEdge HC900 (900 Series) analog input, analog output, digital input, and digital output I/O modules such as the 900A01-0101, 900B01-0301, 900H03-0102, and 900H01-0202. The Honeywell 900TEK-0001​ serves as the passive wiring interface between field instruments (transmitters, solenoid valves, proximity switches, etc.) and the active electronic I/O module plugged into the HC900 rack. It features industry-standard screw-clamp terminals for secure field-wire termination and a precision-molded male/female header that mates directly with the I/O module’s mating connector, allowing the module to be removed and replaced—even hot-swapped in redundantly powered systems—without disturbing any field wiring.Unlike generic DIN-rail terminal blocks that require separate interconnect cables, the Honeywell 900TEK-0001​ is engineered as an integrated part of the 900 Series I/O architecture: the I/O module plugs straight onto the FTA, creating a compact, clearly labeled, and electrically defined interface that eliminates point-to-point flying leads between the module and a remote terminal block row. Each terminal position is numbered to match the I/O channel designation in Honeywell’s configuration software, reducing wiring errors during panel build and accelerating loop-check activities. The screw terminals accept a range of solid and stranded conductors with ferrules, and the molded housing is flame-retardant (UL 94 V-0) with a 300 V / 10 A rating suitable for most process-control field circuits.Supplied as a stand-alone spare or pre-installed on a 900Rxx rack, the Honeywell 900TEK-0001​ is an essential consumable / wearing item in HC900 system life-cycle management. Because terminal screws can loosen over many thermal cycles or under sustained vibration, having replacement Honeywell 900TEK-0001​ FTAs on the critical-spare shelf ensures that a worn or damaged termination point can be swapped quickly—reattaching the already-labeled field wires to the new terminal strip—without rewiring the entire panel or disturbing the live I/O module (when using the detachable plug portion). This small but critical accessory underpins the maintainability and wiring integrity of the entire Honeywell HC900 control-system installation.

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Description

 

Technical Specifications

Product Model | 900TEK-0001Manufacturer | Honeywell (Honeywell Inc.)Product Type | Field Termination Assembly (FTA) / Detachable Terminal Strip for HC900 900-Series I/O ModulesCompatible I/O Modules | 900A01-0101 / 900A01-0102 (Analog In), 900B01-0301 (Analog Out), 900H01-0202 / 900H03-0102 (Digital Out), 900H02-0202 (Digital In) and other 900-series modules using same pin-count FTA headerNumber of Terminals | Typically 20–40 poles depending on matched I/O type (commonly 24-position for mixed AI/AO; 20- or 40-position for DI/DO); verify against specific I/O card pinoutTerminal Type | Screw-clamp (cage-clamp / rising-cage style), slotted for flat-blade screwdriverWire Size Accepted | 0.2 – 2.5 mm² (AWG 24–12), solid or stranded with or without ferruleRated Voltage | 300 V AC/DC (per UL / IEC)Rated Current | 10 A max per terminal (depends on wire gauge and ambient)Insulation Material | Polyamide / PBT, UL 94 V-0 flame retardantMating Interface | Molded PCB-style header (2×n pins, 3.81 mm or 5.08 mm pitch depending on version) to engage with I/O module’s female receptacleMounting | Snaps onto 35 mm DIN rail (when used standalone) or mounts integrally to HC900 I/O rack base (900R08-0200, 900R16-0200, etc.)Operating Temperature | –40 °C to +70 °C (storage); –20 °C to +60 °C (operating in panel)Certifications | UL 1059 / UL 508, CSA, CEMarking / Labeling | Factory-numbered terminals + provision for user-applied channel labels

Main Features and Advantages

Field-wiring preservation during module change-out: The primary value of the Honeywell 900TEK-0001​ is that it permanently anchors the field wiring. When an I/O module such as the 900A01-0101​ or 900H03-0102​ requires replacement—whether due to failure, firmware upgrade, or preventive maintenance—the module unplugs from the FTA header while all field wires remain connected to the Honeywell 900TEK-0001. The new module simply plugs back in, eliminating the risk of miswiring during re-termination and reducing mean time to repair (MTTR) from potentially hours to under a minute.Clear channel-to-terminal correspondence: Terminals on the Honeywell 900TEK-0001​ are physically numbered to correspond with the I/O point designations in Honeywell’s Process/Hybrid Control Designer software and on the I/O module faceplate. This 1-to-1 mapping between software channel number, module silkscreen, and terminal-block position dramatically reduces panel-wiring errors at build time and simplifies loop-check documentation.Robust screw-clamp terminations: The rising-cage screw terminals on the Honeywell 900TEK-0001​ provide a gas-tight, vibration-resistant connection suitable for industrial control cabinets subject to thermal cycling and low-level vibration. Unlike spring-cage terminals that can fatigue or require special insertion tools, the screw-clamp design is familiar to all electricians and accepts both solid wire and pre-ferrule-stranded conductors up to 2.5 mm². Each terminal is rated 300 V / 10 A, covering the vast majority of 4–20 mA analog loops, 24 VDC discrete outputs, and dry-contact digital inputs found in process plants.Flame-retardant, UL-listed construction: Molded from UL 94 V-0 rated thermoplastic with a tracked creepage distance suitable for 300 V circuits, the Honeywell 900TEK-0001​ meets the safety and regulatory requirements of panels destined for UL 508A/ CSA / CE certification. The transparent or semi-transparent optional cover (on some FTA variants) helps protect against accidental shorting while still allowing visual verification of wire seating.System-integrated form factor: Whether snapped onto a DIN rail as a standalone FTA for remote marshalling or mounted as part of the HC900 rack’s integral I/O base, the Honeywell 900TEK-0001​ occupies minimal panel width and aligns perfectly with the I/O module it serves. This integrated appearance improves panel aesthetics and traceability compared to ad-hoc terminal-block arrays.Spare-ability and life-cycle support: Because the Honeywell 900TEK-0001​ contains no active electronics, its failure rate is extremely low—but screw threads can degrade after many tighten/loosen cycles, and plastic housings can become brittle in hot panels. Stocking a few Honeywell 900TEK-0001​ spares lets maintenance teams replace a damaged termination base without disturbing the associated I/O module or field wiring, preserving the original loop integrity.

Application Field

The Honeywell 900TEK-0001​ Field Termination Assembly is used wherever Honeywell ControlEdge HC900 or Experion PKS hybrid controllers with 900 Series I/O are installed. In oil & gas gathering stations and petrochemical blending plants, the Honeywell 900TEK-0001​ terminates 4–20 mA signals from pressure and temperature transmitters (connected to a 900A01-0101 analog input module plugged onto the FTA) and 24 VDC discrete outputs driving solenoid valves on process skids (connected through a 900H03-0102 digital output module on its own Honeywell 900TEK-0001). The FTA’s clear terminal numbering and detachable nature make it straightforward for instrument technicians to trace a loop during troubleshooting and to swap an analog input card showing a channel fault without touching any transmitter wiring.In water/wastewater treatment facilities, the Honeywell 900TEK-0001​ is typically mounted in the local MCC/PLC panel where it receives dry-contact inputs from float switches and high-level alarms (via 900H02-0202 digital input modules) and provides the termination point for 4–20 mA signals from chlorine residual analyzers and flow totalizers. During a recent SCADA upgrade at a municipal plant, the ability to unplug all five analog and digital I/O modules from their respective Honeywell 900TEK-0001​ FTAs, install newer firmware-revision modules, and reconnect them—without a single field wire being disturbed—was cited by the site electrician as the key factor that allowed the cutover to be completed inside a single 4-hour maintenance window. Food & beverage, pharmaceutical, and power-auxiliary applications similarly benefit from the wiring-preservation and labeling clarity provided by the Honeywell 900TEK-0001​ in their HC900 control enclosures.

Related Products

  • 900R08-0200​ — 8-slot HC900 I/O rack/base unit; the mechanical chassis into which the 900TEK-0001​ FTA is often integrally mounted beneath each I/O module.
  • 900A01-0101​ — 8-channel universal analog input module that plugs directly onto the mating header of a 900TEK-0001​ FTA; the most common paired I/O card.
  • 900H03-0102​ — 16-channel 24 VDC digital output module; also uses a compatible 900TEK-0001​ (or model-specific FTA) for field-wire termination of solenoid/relay loads.
  • 900B01-0301​ — 8-channel analog output module (4–20 mA / ±10 V); terminated through its own 900TEK-0001​ variant FTA.
  • 900H02-0202​ — 16/32-channel 24 VDC digital input module; typically paired with a 900TEK-0001​ FTA for dry-contact or active 24 VDC input wiring.
  • 900P01-0301​ — HC900 system power supply module; powers the backplane to which the I/O modules (mounted on 900TEK-0001​ FTAs) connect.
  • 900TBK-0001​ — Alternative or older-generation terminal block kit / FTA for earlier 900 Series revisions; sometimes cross-referenced with the 900TEK-0001​ depending on I/O card type—verify pinout before substitution.
Contact Us WhatsApp / Wechat：+86 18150087953
Phone：+86 18150087953
Email：sales@cxplcmro.com

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