ABB AC500 · Processor Module ABB PM5630-2ETH Processor Module AC500 processor module with 8 MB memory, two independent onboard Ethernet interfaces, RS-232/485, CAN and a memory card slot. The PM5630-2ETH is designed for AC500 controller architectures requiring integrated processing and communication interfaces. Memory 8 MB Ethernet 2 × RJ45 Supply 24 V DC Serial RS-232/485 Technical Specifications Core module data Manufacturer ABB Product family AC500 Module type Processor