HIMA EABT3 B9302 997009302

Product Name: HIMA EABT3 B9302 4U I/O Subrack Kit (Part No. 997009302)
Product Introduction: The HIMA B9302 is a 19-inch, 4U high I/O subrack designed for the HIQuad/EABT3 safety system, providing mounting and bus connectivity for safety-critical I/O modules in SIL 3 rated environments.
Category:
Description
Technical Specifications:
  • Supply Voltage: 24 V DC​ (range 18–30 V DC)
  • Slots: 16 I/O slots​ (1–16), 1 coupling slot​ (17), 4 power slots​ (18–21)
  • Dimensions: 482.6 mm (19″) W x 177.8 mm (4U) H x ~300 mm D
  • Safety Integrity: SIL 3​ (IEC 61508)
  • Operating Temperature: 0°C to +60°C​ (Storage: -40°C to +85°C)
  • Humidity: 5% to 95%​ non-condensing
  • Protection: IP20​ (cabinet mounted)
  • Backplane Isolation: Channel-to-channel ≥500 V
    Functional Features: Supports redundant bus communication via F7553 coupling module; compatible with HIMax/HIQUAD/F35 controllers; integrated diagnostics for module health and bus status.
    Performance Parameters: Backplane data transfer optimized for safety-rated cyclic updates; supports distributed I/O expansion up to 30 m​ bus length with BV7032 cables.
    Material Composition: Aluminum alloy 19-inch rack chassis with printed circuit board backplane.
    Structural Features: Includes FK1406 frame, F7553 coupler, optional F7133 power distribution; wire ducts and label holders integrated.
    Working Principle: Distributes 24 V DC​ power and safety bus signals across the backplane to plugged I/O modules, isolating faults per SIL 3 requirements and reporting status to the safety controller.
    Advantage Highlights: TMR-compatible architecture support; high reliability via redundant bus; certified for SIL 3​ applications; modular expandability.
    Applicable Industries: Oil & gas, chemical processing, power generation (ESD/BMS/F&G systems).
    Model Series: HIMA HIQuad / EABT3 / HIMax Series
    Installation Requirements: Mount in standard 19-inch cabinet via rack ears; secure grounding to cabinet earth; install F7553 in slot 17; verify 24 V DC​ polarity before connecting modules.
    Usage Precautions: Ensure all modules inserted are compatible with B9302 backplane; do not exceed 30 m​ total bus cable length; maintain ambient temperature within 0–60°C; verify fuse rating on F7133 if used.
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