F 8650A | F8650A | HIMA | Central Module

Overview

The F 8650A (F8650A) by HIMA is a central module designed for use in the PES H51q-MS, HS, and HRS systems. It is suitable for safety-related applications with requirement classes AK 1 - 6. The module features dual microprocessors and is equipped with multiple interfaces for communication and diagnostic purposes.

Technical Specifications

• Microprocessors:
  • 2 x INTEL 386EX, 32-bit
  • Clock frequency: 25 MHz
• Memory:
  • Operating system: 1 MB Flash-EPROM
  • User’s program: 512 kB Flash-EPROM
  • Data storage: 256 kB sRAM
• Interfaces:
  • 2 x RS 485 serial interfaces
• Diagnostic Display:
  • 4-digit matrix display
  • Requestable information
  • 2 LEDs for common error display (CPU, I/O)
  • Push-buttons for detailed info and error reset

Safety and Error Handling

• Fail-Safe Watchdog:
  • Watchdog with output
  • 24 V DC, loadable up to 500 mA, short circuit-proof
• Error Reset:
  • Push-button “ACK” resets error indication or stops the system in case of failure

Construction and Space Requirements

• Design:
  • 2 PCBs (European standard)
  • 1 PCB for diagnostic display circuits
• Space:
  • 8 TE (Modular design)

Operating Data

• Voltage:
  • 5 V DC
• Current Consumption:
  • 2000 mA