Overview

The Honeywell MC-TDOR12 (Part No. 51309148-175) is a Digital Relay Output Board designed for Honeywell Experion PKS and TPS distributed control systems. It provides dependable relay-based output switching for field devices such as solenoid valves, alarms, and indicator lamps. Moreover, the board offers robust electrical isolation between control electronics and field wiring, reducing the risk of interference and equipment damage.

In addition, the MC-TDOR12 supports redundancy and integrated diagnostic monitoring, making it suitable for mission-critical applications where uptime, safety, and deterministic operation are essential. Therefore, it enables improved system reliability, simplified maintenance, and seamless integration within Honeywell’s automation architecture.

Technical Data

Typical Applications

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

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

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

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

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

For instance, the MC-TDOR12 is frequently deployed in redundant configurations where continuous operation and diagnostic transparency are critical.

FAQ

Q1: What is the primary function of the MC-TDOR12?
It provides relay-based digital output switching for field devices such as solenoids, alarms, and indicator lamps.

Q2: How many output channels does the module support?
It supports 12 relay output channels.

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

Q4: Does the module support redundancy?
Yes, redundancy is supported for enhanced system reliability.

Q5: What industries typically use the MC-TDOR12?
It is widely used in oil and gas, petrochemicals, power generation, and chemical manufacturing.