F8650X | HIMA F 8650X Central Module

The HIMA F 8650X is a central module designed for use in the PES H51q-MS, -HS, -HRS systems. It is safety-related and certified for applications up to SIL 3 according to IEC 61508. The module is equipped with dual clock-synchronized microprocessors to ensure reliable and secure performance.

Key Features

• Dual Microprocessors: Two clock-synchronized Intel 386EX microprocessors with 32-bit architecture.
• Clock Frequency: 25 MHz.
• Memory per Microprocessor:
  • Operating System: 1 MB Flash-EPROM.
  • User Program: 1 MB Flash-EPROM (utilization depends on the operating system version).
  • Data Storage: 1 MB SRAM.

Interfaces and Diagnostics

• Interfaces: Two serial RS 485 interfaces with electrical isolation for secure communication.
• Diagnostic Display: Four-digit matrix display providing selectable information for diagnostics.

Safety and Reliability

• Safety Watchdog: Includes a safety-related watchdog that provides a 24V output, loadable up to 500mA and is short-circuit proof to ensure secure shutdown in case of faults.

Construction and Installation

• Form Factor: Built on two European standard PCBs, with one PCB dedicated to the diagnostic display.
• Space Requirement: 8 SU (standard units).

Operating Data

• Power Consumption: 5V / 2A.

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