Overview

The Honeywell MU-TDOY23 (Part No. 51204166-12) is a Digital Output Relay Module designed for Honeywell Experion PKS and TPS distributed control systems. It provides reliable relay-based output switching for field devices such as solenoids, alarms, and indicator lamps. Moreover, the module ensures safe isolation between control signals and field wiring, reducing risks of electrical interference and equipment damage.

In addition, the MU-TDOY23 supports redundancy and diagnostic monitoring, making it suitable for mission-critical applications where uptime and safety are paramount. Therefore, operators benefit from improved system reliability, simplified maintenance, and seamless integration into Honeywell’s advanced automation platforms.

Technical Data

Typical Applications

• Oil & Gas: Switching solenoid valves and alarms in wellhead and compressor systems.

• Petrochemicals: Controlling indicator lamps and safety interlocks in large-scale process plants.

• Power Generation: Managing relay outputs for turbine and boiler control systems.

• Chemical Manufacturing: Providing reliable relay switching for production line automation.

• Industrial Automation: Delivering relay-based outputs in Honeywell Experion PKS environments.

For instance, the MU-TDOY23 is frequently deployed in redundant configurations where continuous uptime and diagnostic visibility are critical.

FAQ

Q1: What is the primary function of the MU-TDOY23?
A1: It provides relay-based digital output switching for field devices such as solenoids and alarms.

Q2: How many output channels does the module support?
A2: It supports 23 relay output channels.

Q3: What is the nominal output voltage?
A3: The module operates with nominal 24 VDC outputs.

Q4: Does the module support redundancy?
A4: Yes, redundancy is supported to ensure system reliability.

Q5: What industries typically use the MU-TDOY23?
A5: It is widely used in oil and gas, petrochemicals, power generation, and chemical manufacturing.