Overview

The Honeywell MC-PDOY22 is a high-performance digital output module engineered for precise control in process automation systems. Featuring 32 discrete output channels, it enables direct actuation of field devices such as solenoid valves, indicator lights, and motor starters. The module is fully compatible with Honeywell’s C300 and ControlEdge controllers, ensuring seamless integration in both legacy and modern installations.

Moreover, the MC-PDOY22 supports fault-tolerant operation through built-in diagnostics, watchdog timers, and redundant communication paths. In addition, its conformal coating and industrial-grade construction provide exceptional reliability in harsh environments. Therefore, it is widely deployed in oil & gas, petrochemical, power generation, and other process-intensive sectors where safety and uptime are paramount.

For instance, in a refinery application, the MC-PDOY22 controls emergency shutdown valves and pump relays, ensuring rapid and safe responses to process abnormalities.

Technical Data

Typical Applications

• Process Control Systems – Drives actuators, solenoids, and relays in chemical, oil & gas, and pharmaceutical plants.

• Safety Interlock Systems – Triggers alarms and shutdown mechanisms in response to critical conditions.

• Power Generation Facilities – Controls auxiliary systems such as fans, pumps, and circuit breakers.

• Building and Utility Automation – Manages lighting, HVAC, and access control systems in large facilities.

In addition, the MC-PDOY22 is often used in distributed control architectures where high channel density and reliable switching are essential.

FAQ

Q1: How many outputs does the MC-PDOY22 support?
A1: It provides 32 discrete digital output channels.

Q2: Is it compatible with Honeywell Experion PKS?
A2: Yes. It integrates seamlessly with Experion PKS, C300, and ControlEdge platforms.

Q3: What kind of output type does it use?
A3: It uses current sinking (switching) outputs, suitable for driving relays and solenoids.

Q4: Can it be hot-swapped during operation?
A4: Yes. The module supports hot-swapping, allowing maintenance without system shutdown.

Q5: Is it suitable for harsh environments?
A5: Yes. It features conformal coating and industrial-grade components to ensure reliable operation under rugged conditions.