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ABB AC 800M Controllers PM891 Monolithic Unit CPU Processor Unit 3BSE053241R1 PM891K01
The PM891 processor is a monolithic unit equipped with power supply, CPU-boards and unit termination. The unit contains microprocessor and RAM memory, a real-time clock, LED indicators, INIT push button and a Secure Digital interface. The PM891 does not contain any internal battery The PM891 has two RJ45 Ethernet ports (CN1, CN2) for connection to the Control Network, and one RJ45 serial port (COM4). The COM4 port is isolated and used for a configuration tool. The PM891 supports CPU redundancy for higher availability (CPU, CEX-Bus, communication interfaces and S800 I/O).
The communication expansion bus (CEX-Bus) is mounted on the unit. The CEX-Bus is used for extending the on-board communication ports with communication interface units. It is possible to use redundant communication interfaces on the CEX-Bus. The CEX-Bus Interconnection unit BC810 is used to increase the availability on the CEX-Bus by dividing it into separate segments. The optical Modulebus of the unit can be used for connecting seven clusters of S800 I/O units (each comprising up to 12 units). Each PM891 is provided with a unique Ethernet address which provides hardware identity to the unit.
| Parameter | Specification |
|---|---|
| Product Name | ABB PLC Module |
| Model | PLC Module |
| Type | Modbus TCP Interface |
| Programming Language | IEC 61131-3 |
| Program Memory | 128KB |
| Input Voltage | 24V DC |
| Input Power | 24W |
| Output Voltage | 24V DC |
| Number of Outputs | 8 |
| Dimensions | 120mm X 90mm X 60mm |
| Compatible with AO2000 | Yes |
| Gas Analyzers | O2 and H2O |
ABB offers a wide range of technical support and service for its PLC Module products. Our team of experts have the experience and knowledge to support and maintain your PLC Module system to ensure it runs at peak performance.
We provide comprehensive support and maintenance services to ensure your PLC Module operates to its full potential. Our trained technicians can provide troubleshooting assistance, software updates, and system upgrades as needed. We also offer on-site support and preventive maintenance to keep your system running smoothly.
Our team of professionals is dedicated to providing exceptional customer service and technical support. We are committed to helping you solve any issues you may have and ensuring that your PLC Module system is running efficiently.
