It is the core redundant processor unit in the ABB A800M (System800xA) series, designed specifically for industrial process automation. It is responsible for executing control programs, acquiring and processing field I/O signals, and providing highly reliable redundant backup to ensure the continuous operation of critical production processes.

 
Key functions and features
| Feature | Details | Evidence | 
| High‑performance processor | 32‑bit RISC CPU with strong computing power, capable of handling complex control tasks in real time. |  | 
| Redundant design | 1+1 hardware redundancy; automatic switchover on fault to ensure system availability. |  | 
| Communication interfaces | Dual RJ45 Ethernet ports; supports Ethernet, Modbus, TCP/IP and other industrial protocols for easy integration with upstream systems and I/O modules. |  | 
| Physical dimensions & weight | Length 263 mm × Width 138 mm × Height 88 mm; weight ≈ 2 kg (some sources list 2.35 kg). |  | 
| Operating temperature range | –25 °C to +70 °C (some specifications note –20 °C to +60 °C). |  | 
| Power supply | 24 V DC input; typical power consumption around 100 W (some data show 40 W). |  | 
| I/O capacity | 16 digital input channels (as a safety I/O module). |  | 
| Typical applications | • Petrochemical, power generation, refining, paper‑making (process industries) • Power transmission & distribution, motor control, renewable energy generation
 • Rail transit, industrial automation where high reliability is required.
 |  | 
Summary
The ABB PM891 3BSE053240R1 combines a powerful 32‑bit processor, built‑in 1+1 redundancy, versatile Ethernet‑based communications, and a compact, rugged form factor. These attributes make it a reliable, flexible controller for demanding industrial automation scenarios such as petrochemical plants, power stations, renewable energy systems, and rail‑transit control.
Sales of the brand:
ABB、EPRO、GE、FOXBORO、Schneider、Rexroth、Honeywell、Bently、YASKAWA other global DCS system and PLC system, servo system of famous industrial brand.
 
☀️Tara(Sales Director)
📞Tel: + 86-13806028623
📮Whatsapp:+86-13806028623
💬Email: ydf8801@163.com
🏚️Ship to you via DHL/TNT/UPS/EMS/Fedex
🥇Product Condition: One-year warranty

Company Overview
Main Products
We specialize in supplying original imported spare parts for DCS, PLC, robotics, and large servo systems from leading global brands, including:
- FOXBORO | EMERSON | TRICONEX | XYCOM | BENTLY
- ROCKWELL | ABB | GE | Aen-Brady | YOKOGAWA
- HONEYWELL | RELIANCE | SCHNEIDER | MODICON
- Westinghouse | WOODWARD | Motorola | Rexroth | SEW
Our inventory includes authentic, brand-new components, including hard-to-find discontinued parts, ensuring reliable solutions for industrial automation needs.
 
Quick delivery of spot goods and quality assurance – your trusted purchasing partner!
🔥 Spot inventory, same day shipment
All products are in sufficient stock reserve. After you place an order, we will arrange shipment on the same day to minimize waiting time and help your project progress quickly.
💳 Flexible payment, easy transaction
Support multiple payment methods, including mainstream settlement methods such as T/T, which are safe and convenient, meet the needs of different customers, and make cross-border transactions more worry free.
🛡️ One year warranty, worry free after-sales service
We offer a one-year warranty service for all products! If there are any quality issues, we will provide you with professional after-sales support as soon as possible and provide full protection throughout the process.
🚚 Global express delivery, secure delivery
We have deep cooperation with well-known domestic and foreign logistics companies such as SF Express, DHL, FEDEX, etc., to ensure that every shipment can be safely, timely, and efficiently delivered, allowing you to receive your goods without worry.
📞 24/7 customer service, online response
You can contact us anytime and anywhere through WeChat, Skype, WhatsApp, LINE, or email. Our professional team will be available 24 hours a day to answer your questions and provide attentive service.
Choosing us means choosing speed, quality, and trust!
Contact us immediately to embark on a new experience of efficient procurement! 📦✨
 

 
Other product models:

 
											 
				
Reviews
There are no reviews yet.