The HIMA F8650E is a central processing unit (CPU) module designed for use in HIMA safety systems. It is built for safety-critical applications across various industries, including oil and gas, chemical processing, and power generation. The module ensures high safety standards and reliability with features such as dual microprocessors and comprehensive diagnostic tools.

Key Features

• Dual Microprocessors: Two Intel 386EX microprocessors operating synchronously for enhanced safety and fault tolerance.
• Memory: Includes 1 MB Flash-EPROM for the operating system, 512 KB Flash-EPROM for user programs, and 256 KB SRAM for data storage.
• Communication Interfaces: Two RS-485 serial interfaces with electrical isolation.
• Diagnostic Display: A 4-digit alphanumeric matrix display and LED indicators for error diagnostics.
• Safety Functions: Equipped with a fail-safe watchdog timer that ensures a safe shutdown during system faults.

Technical Specifications

• Processor: Intel 386EX, 32-bit
• Clock Frequency: 25 MHz
• Operating System Memory: 1 MB Flash-EPROM
• User Program Memory: 512 KB Flash-EPROM
• Data Storage: 256 KB SRAM
• Interfaces: Two RS-485 serial interfaces (electrically isolated)
• Diagnostic Display: Four-digit alphanumeric display for diagnostic information
• Size: 4.1 x 18.7 x 12.8 cm
• Weight: 0.34 kg
• Operating Data: 5 V / 2 A
• Space Requirement: 8 SU
• Power Supply: 24 VDC (500 mA continuous, 2000 mA peak)

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