ABB AC500 · Processor Module ABB PM595-4ETH-F AC500 Processor Module A high-performance AC500 processor module combining program/data memory, serial communication, independent Ethernet interfaces and switched Ethernet-based fieldbus interfaces. 1SAP155500R0279 Processor 1.3 GHz Program / Data 16 MB / 16 MB Supply 24 V DC Lifecycle Active Technical Specifications Core processor, memory, communication and electrical data for the PM595-4ETH-F. Manufacturer ABB Product family