AMIKON INDUSTRIAL SUPPLY / HIMA SPARES HIMA F8621A Coprocessor Module A dedicated coprocessor for applicable HIMA PES installations, featuring dual isolated RS-485 interfaces and its own HD 64180 processor. Manufacturer HIMA Module Category Coprocessor System Family H41q / H51q PES* MODULE PROFILE Processing and Serial Data Exchange The F8621A combines an onboard HD 64180 microprocessor, static memory and two galvanically isolated half-duplex RS-485 interfaces. Dual-port RAM