————————Shenzhen Changxin Automation Equipment Co Ltd -————————

Products that have been released are welcome for consultation. Due to the wide variety of models, we were unable to upload physical images one by one!

PM891K01 is the core processor unit in the ABB AC 800M series, used for process control, distributed control systems, and high reliability industrial automation scenarios. PM891 3BSE053240R1 can be used as a standalone controller and also supports dual CPU redundancy to achieve seamless switching in milliseconds, meeting the high requirements for continuous operation in industries such as petroleum, chemical, and power.
Processor: Multi core industrial grade processor (MPC8270), with a clock speed of approximately 450MHz
Memory: 256 MB RAM (optional 8 MB for some models)
Storage: Flash ≈ 16 MB (for firmware)
Communication interface: -2 x RJ45 x Ethernet ports (CN1, CN2)
-1 × RJ45 serial port (COM4, isolated)
-CEX bus (up to 12 modules)
I/O: 16 digital inputs, 16 digital outputs (single ended/differential)
Support: Modulabus, Modulabus Optical
Power supply: 24V DC ± 20% (19.2-30V)
Typical power consumption: ≈ 660 mA, maximum ≈ 750 mA (≈ 18 W)
Working temperature: -20 ° C~+60 ° C (some documents indicate -20 ° C~+70 ° C)
Size/Installation: DIN rail type, compliant with standard module dimensions
Redundancy features: PM891K01 supports CPU redundancy, CEX-Bus redundancy, and communication interface redundancy; Switching time ≤ 10 ms (red configuration)
Safety/Reliability: Industrial grade anti-interference design, equipped with LED indicator lights, Initiat button, real-time clock.

Product Function Introduction:
High speed real-time processing: A 450MHz multi-core CPU can complete a large amount of I/O acquisition and control operations in milliseconds.
Modularity and Scalability: PM891 3BSE053240R1 can be flexibly connected to I/O and communication expansion boards through CEX Bus and Modulabus, supporting up to 84 modules.
Dual machine redundancy: The CPU, bus, and network can all be redundant, and switching can be completed within 10   ms in case of a failure, ensuring continuous operation of the system.
Multiple communication protocols: PM891K01 supports Ethernet/IP, PROFINET, MMS, OPC UA, etc., making it easy to access upper layer SCADA/800xA.
Easy to maintain: Built in remote diagnosis, LED status indication, and hot swappable expansion module, reducing on-site maintenance costs.

Category: Industrial Control Module
Sold to: Global
Scope of application: Steel plants/thermal power plants/tire plants/water plants, etc
Service advantages: foreign imports, stock supply, competitive prices, and quality assurance
Shenzhen Changxin is committed to restoring normal operations of enterprises with the best cost, quality, and efficiency,Let the enterprise resume normal operation.

Why did you choose us?

1.With thousands of suppliers and a wide range of products, you can experience a one-stop shop.
2. The highest quality products.
3. Most products have a warranty period of up to 1 year, and any quality issues will be borne by us. Each item undergoes rigorous testing before delivery.
4.Our sales personnel will respond to your inquiry within 24 hours.
5. Quickly deliver all products within 1-3 days after placing the order.
6. Good packaging ensures transportation safety and greatly saves shipping costs.

We can transport to the world!!!

If you need to inquire or make a purchase, please send me the product model by email or call me directly.

**********************************************************************************************

More models：