Honeywell MC-TDOY23 51204166-175 CE Conformally Coated

Product Description

The MC-TDOY23 (Part Number: 51204166-175) is a specialized Digital Output Relay Module engineered for the Honeywell Experion PKS and TPS (TotalPlant Solution) architectures. This module provides 16 channels of isolated relay-based switching, specifically designed to handle higher voltage loads up to 240VAC. It serves as a robust interface between low-voltage control logic and high-power field devices such as large solenoids, motor starters, alarms, and heavy-duty indicator lamps.

Constructed for high-availability environments, the MC-TDOY23 51204166-175 ensures galvanic isolation between the system electronics and field wiring. This protection prevents electrical surges or transients from damaging the I/O processor or controller. Its design supports redundant configurations, ensuring that critical safety interlocks and control loops remain operational even during a module failure, making it a standard choice for mission-critical industrial process control.

Detailed Technical Specifications

The MC-TDOY23 features a conformally coated design (suffix -175) for enhanced environmental resistance.

• Manufacturer: Honeywell

• Model Number: MC-TDOY23

• Part Number: 51204166-175 (CE Compliant / Conformally Coated)

• Secondary PN: 51204166-12 (Standard Non-Coated Version reference)

• Product Type: Digital Output Relay Module

• Number of Channels: 16 Isolated Channels

• Switching Voltage: Up to 240 VAC / 125 VDC

• Contact Type: Electromechanical Relay

• Isolation: Galvanic isolation between control logic and field contacts

• Power Supply: 24 VDC (Internal system power)

• Operating Temperature: -20°C to +60°C (-4°F to +140°F)

• Storage Temperature: -40°C to +85°C (-40°F to +185°F)

• Humidity Tolerance: Up to 95% non-condensing

• Dimensions: 31.3 cm × 27.8 cm × 3 cm

• Weight: 0.45 kg

• Certifications: CE, UL, RoHS compliant

• Mounting: High-performance I/O rack or panel mount assembly