Honeywell MC-TDOY23 51204166-175
Honeywell MC-TDOY23 51204166-175
Honeywell MC-TDOY23 51204166-175
Honeywell MC-TDOY23 51204166-175
Honeywell MC-TDOY23 51204166-175
Honeywell MC-TDOY23 51204166-175
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MC-TDOY23 51204166-175

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Honeywell MC-TDOY23 51204166-175 is a sixteen-point relay digital-output field termination assembly for the TPS Process Manager I/O system.
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Technical specifications for MC-TDOY23 51204166-175

  • Manufacturer:
    Honeywell
  • Part Number:
    MC-TDOY23 51204166-175
  • Product Family:
    Honeywell TPS Series
  • Product Type:
    Sixteen-Point Digital Output Relay FTA
  • Stock:
    1
  • Output points:
    16
  • Output technology:
    Relay contacts
  • Field interface:
    Screw-terminal FTA connections
  • Cable relationship:
    Mating I/O cable required by installed configuration
  • Load design:
    External voltage and duty defined by field circuit
  • Load class:
    240 Vac / 125 Vdc
  • Coating:
    Conformally coated
  • Compliance version:
    CE-compliant execution
  • Weight:
    1.367 lbs (0.62 kg)
  • Estimated shipping dimensions:
    30.7 x 12 x 5 cm
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Applications Integration Diagnostics Safety

Features:

  • Terminates sixteen relay digital-output points.
  • Interfaces with the TPS Process Manager output path.
  • Provides field-accessible switching connections for external circuits.
The MC-TDOY23 model and 51204166-175 assembly number define this relay-output termination configuration.

It routes commanded output states from the Process Manager I/O chain to individually wired field circuits.

Circuit schedules, mating cable and relay-load data should be reconciled before conductor transfer.

Availability is confirmed against the complete MC-TDOY23 51204166-175 identity, required condition, quantity and delivery destination at quotation.
Verified resources for Honeywell MC-TDOY23 51204166-175: Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Switch isolated control loads from a TPS Process Manager cabinet.
  • Terminate relay commands for interposing circuits and plant annunciation.
  • Restore a sixteen-point field-output interface during legacy DCS maintenance.
  • The mating cable links the FTA to its designated Process Manager output electronics.
  • Channel numbering must agree across the database, cable and terminal schedule.
  • Interposing relays remain part of the engineered field interface where specified.
  • A commanded output should be traced from the I/O status to the relay contact and field circuit.
  • Contact continuity tests distinguish FTA faults from external wiring problems.
  • Repeated fuse operation requires load investigation before another relay is enabled.
  • Isolate every external field supply before moving relay conductors.
  • Maintain separation between circuits of different voltage classes.
  • Prove fail-safe output behavior after maintenance under the approved permit.
Description
MC-TDOY23 51204166-175 is the field termination assembly used for a 16-point relay digital-output path in Honeywell TPS Process Manager hardware. It brings the output circuits to accessible field terminals while preserving the cable and channel sequence of the associated I/O electronics. The 16-point arrangement consolidates multiple dry-contact output circuits at the cabinet boundary and keeps the system cable connection separate from replaceable field wiring.

Each relay channel is applied to a switching duty defined by the cabinet drawings, such as an interposing command, annunciation circuit or low-energy control load. Isolation, contact loading and external protection belong to the complete field circuit rather than to the terminal assembly alone. Plants use this relay termination for commands that need contact isolation, including permissive transfer, annunciation and operation of interposing devices within the published contact limits.

Before transferring wiring, identify every normally open or normally closed use, external supply and fuse. The mating cable, associated output electronics and terminal numbers must match the original documentation before the relay circuits are function-tested. Functional testing must verify the de-energized state, contact form and destination of each point, with hazardous actuators inhibited until the correct command is observed at the terminal.
Alternative Names
MC-TDOY23 51204166-175 MC TDOY23 51204166 175 MCTDOY23 51204166175 Honeywell MC-TDOY23 Honeywell 51204166-175 16 Point Relay Output FTA TPS Digital Output Relay Termination Assembly
Technical notes
Confirm contact form, external circuit voltage and load category for every MC-TDOY23 51204166-175 point; the FTA must not switch loads outside the approved relay duty.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
How many switched points are provided by Honeywell MC-TDOY23 51204166-175?
The assembly terminates sixteen relay digital-output channels.
What determines the external circuit connected to Honeywell MC-TDOY23 51204166-175?
The cabinet drawing defines contact use, field voltage, fuse and connected load for each channel.
Which cabinet function does Honeywell MC-TDOY23 51204166-175 serve?
It is the field-side relay termination stage for a TPS Process Manager digital-output path.
How are Honeywell MC-TDOY23 51204166-175 spare units evaluated before quotation?
Apter Power checks the 51204166-175 assembly identity, terminal condition, included parts, quantity and delivery requirement.
What prevents Honeywell MC-TDOY23 51204166-175 substitution by another output FTA?
Point count, relay contact arrangement, cable pinout, terminal numbering and I/O compatibility must all coincide.
Which records are useful when requesting Honeywell MC-TDOY23 51204166-175?
Send the termination drawing, connected load list, cable and I/O labels, revision photographs, quantity and destination.