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HIMA F7553 I/O Bus Coupling Module-KIMI
- Warehouse: Spot
- Warranty： 365 days
- Quality: Original module
- Condition： New
- Shipping method: Courier delivery
- Contact person: LI MING
- Contact number: +86 18059884790
- WeChat：18059884790
- E-mail: plc66@qq.com
Product Description
HIMA F7553 I/O Bus Coupling Module
Safety-Related I/O Bus Coupling for HIMA PES H51q Safety Instrumented Systems (SIS)
1. Product Overview
The HIMA F7553 is a safety-critical I/O bus coupling module specifically designed for HIMA PES H51q safety instrumented systems (SIS), playing a core role in connecting I/O subracks to the central control module. It enables reliable data transmission between the central unit and I/O modules, with redundant communication paths and fail-safe watchdog monitoring to ensure uninterrupted operation in high-risk industrial processes. Compliant with SIL 3 safety standards, the module supports hot-swappable maintenance and automatic function testing, making it ideal for oil & gas, chemical, nuclear power, and other industries requiring strict safety and reliability guarantees.
2. Key Technical Specifications
• Product Type: I/O Bus Coupling Module (Assembly Kit B 9302 Compatible)
• Brand & Model: HIMA F7553 (98 4755302)
• System Compatibility: HIMA PES H51q Safety Instrumented System (SIS)
• Core Function: Connects I/O Subracks to Central Control Module
• Communication: Redundant Independent Communication Paths
• Monitoring: Watchdog Signal Monitoring, I/O Subrack 5V Power Monitoring
• LEDs: WD (Watchdog Status), SEL (I/O Module Access Status)
• Switches: WD (Watchdog On/Off), Coding Switches (S1.1 - S1.4 for IO Bus/Subrack Numbering)
• Supply Voltage: 24 VDC (Powered by System Backplane)
• Power Consumption: 2 W Max.
• Operating Temperature: -20°C to +70°C (-4°F to +158°F)
• Storage Temperature: -40°C to +85°C (-40°F to +185°F)
• Protection Class: IP20 (Rack Mounted)
• Dimensions (L×W×H): 190 × 35 × 85 mm (7.5 × 1.4 × 3.3 in)
• Weight: 0.5 kg (1.1 lbs)
• Safety Certification: SIL 3 (per IEC 61508), CE
3. Core Features
• Redundant Communication: Dual independent paths ensure uninterrupted data transmission and system reliability.
• Watchdog Monitoring: Front - panel WD LED indicates fail - safe watchdog signal status; switch allows WD off for hot - swap without emergency shutdown.
• I/O Access Indication: SEL LED signals access to associated I/O subrack modules.
• Hot - Swappable: Replace module online without triggering system emergency shutdown (with WD switched off).
• Automatic Testing: Real - time automatic function testing to ensure module integrity.
• Coding Switches: Easy setting of IO bus and subrack numbers for system configuration.
• Power Monitoring: Tracks I/O subrack 5V supply and transmits status to central module.
• SIL 3 Compliance: Meets strict safety standards for critical industrial applications.
4. Typical Applications
• Oil & Gas: Refinery Safety Shutdown Systems, Pipeline Emergency Control.
• Chemical Industry: Reactor Safety Interlocks, Hazardous Material Handling Systems.
• Nuclear Power: Reactor Protection Systems, Safety - Related I/O Coupling.
• Power Generation: Boiler Safety Controls, Turbine Emergency Shutdown.
• Marine: Offshore Platform Safety Instrumented Systems.
• Pharmaceutical: Batch Process Safety Interlocks, Cleanroom Safety Controls.
5. Installation & Maintenance
• Mounting: Plug - in installation to PES H51q I/O Subrack Dedicated Slot (No Tools Required).
• Configuration: Set IO Bus/Subrack Numbers via Coding Switches (S1.1 - S1.4).
• Hot - Swap: Turn off WD Switch Before Replacement to Avoid System Shutdown.
• Maintenance: Check WD/SEL LEDs for Status; Verify 5V Power of I/O Subrack.
• Troubleshooting: Use WD LED to Diagnose Watchdog Signal Issues; Check Coding for Configuration Errors.
• Safety Guidelines: Follow SIS Maintenance Procedures; Use ESD Protection for Module Handling.
Technical Document | HIMA F7553 | I/O Bus Coupling Module | Safety Instrumented Systems (SIS)
YMGK Purchase Information
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- Product Quality: All items are brand new and original. Spare parts include a 1-year warranty, and all products are tested and certified.
- Discounts: Contact us for bulk-order discounts. We also offer further price adjustments if you receive lower quotes for identical products from other suppliers.
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