Description
Honeywell 51400669-100
High-reliability control board for Honeywell DCS and safety instrumented systems
| Brand | Honeywell |
| Model | 51400669-100 |
| Voltage | 24V DC |
| Country of Origin | United States |
| Weight | 0.35 kg |
| Dimensions | 220x160x35 mm |
| Warranty | 6 months |
| Certifications | CE, UL, CSA, SIL 2 |
| SKU / MPN | 51400669-100 |
| What’s in the box | Control board, mounting brackets, connector set, quick start guide |
| Processor | 32-bit RISC |
| Memory | 512 KB Flash / 256 KB RAM |
| I/O Channels | 16 DI / 8 DO / 4 AI |
| Communication | Modbus RTU / Proprietary Bus |
| Power Supply | 24V DC, 5W typical |
| Mounting | DIN Rail / Chassis |
Key benefits: SIL 2 certified, robust industrial design, seamless Honeywell system integration, long lifecycle support, hot-swappable
Typical applications: Process control systems, safety instrumented systems, oil and gas plants, power generation, chemical processing
Lifecycle: Active product, expected 10+ years availability
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
Shop with confidence knowing we are offering very competitive pricing!
Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
Run Business
Building a reputation for quality products at a reasonable price. Our inventory is far more extensive than what can be represented on our web site, so please call one of our knowledgeable salesmen with your specific needs.








Susan Y. –
Received the connectors and cables quickly. All items were as described.