Description
The Honeywell 51452822-502 is a specialized Power and Output Printed Wiring Assembly (PWA) engineered specifically for Honeywell’s UDC2500 Universal Digital Controller platform. Equipped with two integrated electro-mechanical (E-M) relays and designed to handle universal AC power mains, this internal board supplies regulated operational voltage while providing reliable switching capabilities for discrete control actions, alarms, and final control element actuation in industrial thermal and process loops.
📊 Product Datasheet & Technical Parameters
| Parameter Name | Technical Specification Value |
| Model Designation / Part Number | Honeywell 51452822-502 |
| Manufacturer | Honeywell Process Solutions |
| Compatible System Platform | UDC2500 Universal Digital Controller (1/4 DIN format) |
| Module Category | Power Supply & Output PWA (Printed Wiring Assembly) |
| Input Operating Voltage | 90 to 264 VAC (Universal AC Mains Operation, 47 to 63 Hz) |
| Output Configuration | 2 Electro-Mechanical (E-M) Control/Alarm Relays |
| Enclosure Integration | Internal slot-mounted subassembly board for UDC2500 housing |
| Operating Temperature Range | 0°C to +55°C (+32°F to +131°F) |
| Approximate Weight | 0.45 lbs (~0.2 kg to 0.25 kg net) |
| Origin of Manufacture | United States / USA |
⚙️ Product Usage Instructions
🔌 Power Isolation & Safety: Ensure the UDC2500 controller is completely disconnected from external AC mains power before opening the controller housing or installing internal boards to prevent electrical shock.
🔗 Secure Board Seating: Carefully slide and align the 51452822-502 PWA into its designated internal slot inside the controller chassis, ensuring full multi-pin backplane and terminal connector engagement.
⚡ Line Wiring Connection: Connect incoming live, neutral, and ground AC power wires alongside relay load circuits to the appropriate rear terminal blocks, ensuring compliance with local electrical safety codes.
💻 Configuration & Testing: Re-energize the system power supply and utilize the controller front-panel interface or configuration software to test relay actuation states and verify stable internal DC rails.
❓ Frequently Asked Questions (Q&A)
❓ Q1: What is the primary function of the Honeywell 51452822-502 board?
✅ A1: It serves as a combination power supply and relay output printed wiring assembly for the UDC2500 controller, converting AC line voltage into internal power rails while offering two electro-mechanical control/alarm relays.
❓ Q2: What input voltage range does this specific power PWA support?
✅ A2: It supports a universal AC input range from 90 to 264 VAC, making it suitable for global industrial electrical distribution grids.
❓ Q3: Which controller family is compatible with this part number?
✅ A3: It is built exclusively for the Honeywell UDC2500 1/4 DIN Universal Digital Controller platform.
🔍 Recommended Alternative Series and Models
- Honeywell 51452822-503 (UDC2500 Power/Output PWA with 2 E-M Relays – 24 VAC/DC Operation)
- Honeywell 51452810-501 (UDC2500 Auxiliary Output/Digital Input/RS-422/485 Comms PWA)
- Honeywell 51452816-501 (UDC2500 Auxiliary Output/Digital Input/Ethernet Comms PWA)
- Honeywell 51452758-502 (UDC2500 Display/Keyboard Assembly with IR Port)
- Honeywell 51452801-503 (UDC2500 MCU/Inputs PWA for Controllers)
- Honeywell UDC3500 Universal Digital Controller Platform
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- Honeywell CC-PWRN01 (Experion Series C Non-Redundant Power Supply Module)
- Honeywell TC-CCR012 (Redundant ControlNet Interface Module)
- Honeywell Experion Process Knowledge System (PKS) Hardware Architecture
