Product Type: Redundant Processor Unit Product Model: PM861AK02 Manufacturer: ABB Dimensions (H X W X D): 135x186x119mm Weight: 2.9 kg Interface Type: Standard Industrial Interface Operating Temperature Range: -25 ° C to 60 ° C Storage Temperature Range: -40 ° C to 85 ° C Power Requirements: 24VDC Communication protocols: Support multiple industrial communication protocols ABBPM861AK02 redundant processor unit is a key component designed for industrial automation control systems.It uses advanced redundancy technology to ensure that when the main processor fails, the standby processor can take over seamlessly, thus ensuring the stable operation of the system. The compact design of the processor unit measures only 135x186x119mm and weighs 2.9 kg, making it ideal for space-constrained applications.This product is manufactured with high quality materials, ensuring durability and reliability for long-term use. With a wide operating temperature range from -25 ° C to + 60 ° C, it is stable in a variety of harsh environments. In addition, the PM861AK02 supports a variety of industrial communication protocols and can be easily integrated into existing automation systems. The installation is simple and the user can connect it to the control system in simple steps. Maintenance is also very easy, just check the connection and power status regularly.