Honeywell MC-TDOY22 51204162-175 | Digital Output Termination Module

Overview

The Honeywell MC-TDOY22 (51204162-175) is a digital output termination assembly developed for the Experion PKS C200 and C300 control systems. It provides precise and reliable discrete output control for a wide range of field devices, including pumps, solenoids, valves, and alarms.

Engineered for high availability and long-term performance, this module supports redundant communication over Fault Tolerant Ethernet (FTE) networks. Its compact, hot-swappable design ensures system maintainability without process interruptions.

The MC-TDOY22 is built for demanding process automation applications, offering enhanced electrical isolation, channel-level diagnostics, and flexible mounting options.

Key Features

• Model Number: MC-TDOY22

• Part Number: 51204162-175

• Manufacturer: Honeywell

• Type: Digital Output Termination Module

• Output Channels: 16 relay outputs (dry contact type)

• Contact Rating: 2 A at 250 VAC or 30 VDC

• Output Voltage: 24 VDC nominal

• Output Configuration: Relay dry contact; optional open-collector or push-pull

• Communication Interface: Redundant Fault Tolerant Ethernet (FTE)

• Operating Temperature: -20°C to +60°C

• Dimensions: 13.5 × 7.1 × 2 cm

• Weight: 0.3 kg

• Warranty: 12 months

Applications

The Honeywell MC-TDOY22 is used in process automation systems requiring stable and isolated digital control outputs. Typical applications include:

• Petrochemical and refining plants

• Power generation and utilities

• Water treatment facilities

• Pharmaceutical production systems

• Pulp and paper manufacturing

Its high reliability and support for redundant configurations make it ideal for mission-critical installations.

FAQ

Q1: What control systems is the MC-TDOY22 compatible with?
A1: It is designed for use with Honeywell Experion PKS C200 and C300 controllers.

Q2: How many output channels does the module support?
A2: The MC-TDOY22 provides 16 relay-type digital output channels.

Q3: Does it support redundant communication?
A3: Yes, it supports Fault Tolerant Ethernet (FTE) for dual-path redundancy.

Q4: Can the module be replaced while the system is running?
A4: Yes, it is hot-swappable, allowing maintenance without system shutdown.

Q5: What kind of field devices can it control?
A5: It can interface with relays, motors, valves, pumps, and alarm systems.