HIMA F8621A Safety System Communication Module

Product Overview

The HIMA F8621A is a coprocessor module designed for HIMA H41q and H51q safety-related PLC systems. It features an integrated HD64180 microprocessor, onboard memory, and two isolated RS485 communication interfaces. The module handles serial communication and data exchange with the central processor through a dual-port RAM interface.

Technical Specifications

Key Features

• Integrated HD64180 communication processor.

• Two electrically isolated RS485 interfaces.

• Supports configurable serial transmission speeds.

• 384 KB onboard CMOS-RAM and EPROM.

• Dual-port RAM for fast communication with the central processor.

• Designed for HIMA safety automation systems.

Applications

• HIMA HIQuad safety PLC systems

• Industrial process control

• Serial Modbus communication

• Oil and gas facilities

• Power generation and chemical plants

• Safety instrumented systems

Important Notes

• Compatible with HIMA H41q/H51q systems under specified operating system versions.

• Requires a compatible HIMA rack and central processor.

• RAM backup depends on the system's battery-buffering arrangement.

• For serial Modbus communication, HIMA recommends avoiding 19.2 kbps due to possible interference.

• Verify hardware revision and system compatibility before installation.