The Honeywell 51204166-175, also cataloged as the MC-TDOY23 Digital Output Relay Field Termination Assembly (FTA), operates as a dedicated hardware component within Honeywell distributed control system (DCS) architectures.
Suffix Breakdown & Model Matrix
Manufacturer: Honeywell
Model Number: MC-TDOY23
Part Number: 51204166-175
Product Type: Digital Output Relay FTA
Hardware Specifications
Parameter
Specification
Model
51204166-175 (MC-TDOY23)
Brand
Honeywell
Category
Distributed Control System (DCS) Components
Product Type
Digital Output Relay FTA
Origin
United States
Weight
1 Kg (approx. 2.2 lbs)
Operating Voltage Range
240 VAC / 125 VDC
Output Channels
16 independent electromechanical relays for AC/DC power outputs
Channel Isolation and DCS Integration
Engineered to switch external field devices such as motors, valves, and pumps, the 51204166-175 incorporates 16 independent electromechanical relays designed for AC or DC power outputs. The assembly supports reliable signal routing within Honeywell UCN and DCS infrastructure, maintaining strict polarity adherence for each output loop.
Frequently Asked Questions
Q: How many output channels does the 51204166-175 FTA provide?
A: The module features 16 independent electromechanical relay output channels.
Q: What is the operating voltage range for this digital output relay?
A: The operating voltage range is rated up to 240 VAC / 125 VDC.
Field Installation Guidelines
Ensure that system power is fully de-energized prior to handling or terminating wiring on the FTA module. Verify that output polarity (+ and -) is strictly observed for each individual channel connection. Mount the assembly securely in a clean, dry control cabinet environment, ensuring proper separation from high-voltage distribution lines to maintain signal integrity.
