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F8653X
F8653X
F8653X

HIMA F8653X H51q Safety Central Processor Module

  • Model: F8653X
  • Brand: HIMA
  • Series: HIQuad H51q
  • Core Function: Safety central processing
  • Product Type: Central Module / CPU
  • Key Specs: Dual synchronized processors, 25 MHz, SIL 3
  • Condition: New Original / New Surplus
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Description

3. Key Technical Specifications

  • Model Number: F8653X
  • Type: Central Module for H51q systems
  • Processors: 2 x clock-synchronized INTEL 386EX, 32-bit, 25 MHz
  • Memory: Flash-EPROM for OS and user program
  • Safety Integrity: SIL 3
  • Power Supply: 24 VDC
  • Interfaces: Communication ports, diagnostic display, battery backup
  • Operating Temperature: 0 °C to +60 °C
  • Mounting: Central slot in H51q subrack
  • Features: High diagnostic coverage, redundant capable, self-testing
  • Battery Support: Buffer for data retention

4. Product Introduction

The HIMA F8653X is a central control module for HIQuad H51q safety systems. It features dual clock-synchronized microprocessors that execute the safety application with continuous self-diagnostics.

This CPU serves as the brain for high-integrity safety loops in process plants. It offers robust performance for SIL 3 applications while supporting easy integration and maintenance in existing H51q racks.

F8653X
F8653X
F8653X
F8653X

5. Installation & Configuration Guide

Stage 1: Pre-Installation Preparation (15–20 minutes) ⚠️ Safety First: Schedule downtime, set system to safe state, lock out/tag out power. Tools Required: ESD strap, tools, ELOP II software, multimeter, camera. Data Backup: Save complete project, photograph module, record parameters.

Stage 2: Removing the Old Module (10 minutes)

  1. Open front access.
  2. Disconnect cables.
  3. Release and remove central module.
  4. Check battery and rack condition. ⚠️ Note: Keep old module for reference.

Stage 3: Installing the New Module (10–15 minutes)

  1. ESD safe handling. Confirm model match.
  2. Install battery if needed.
  3. Seat firmly in central position.
  4. Reconnect communications. Self-Checklist: [ ] Secure mounting, [ ] Battery connected, [ ] Cables verified.

Stage 4: Power-On & Testing (20–40 minutes) Pre-Power Check: Validate power and connections. Power-On Steps:

  1. Energize system and monitor startup.
  2. Connect programming tool.
  3. Load application.
  4. Run diagnostics and I/O checks.
  5. Verify safety functions.

⚠️ Troubleshooting Note: Processor sync or diagnostic faults require checking firmware and battery. Use system tools for errors.

6. Frequently Asked Questions (FAQ)

Can this module be hot-swapped? Supported in redundant H51q setups. Non-redundant requires shutdown.

Is this model obsolete? It is supported for H51q systems. New Original or New Surplus stock available.

What is the direct replacement? Consult HIMA for current equivalents with matching specifications.

Will logic be lost? Reload backed-up application and validate fully.

Why lower price? Tested surplus inventory with full QC.

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