Technical Specifications: Input Signal Type: Reflective memory fiber signal, VME bus differential signal Input Voltage Range: +5 VDC bus power supply Input Impedance: Standard VME bus impedance value Input Current: Typical operating current, maximum limited current Response Time: ≤1 µs Channel‑to‑Backplane Isolation Voltage: 500V RMS Transient Surge Suppression: 1500V Operating Power Supply: +5VDC Communication Protocol: VME64 backplane bus protocol, reflective memory fiber protocol Operating Temperature: 0 °C to +60 °C Storage Temperature: -50 °C to +85 °C Relative Humidity: 5%‑95%, non‑condensing Mechanical Dimension: Standard 6U single‑slot module for VME rack Certifications: CE, UL, industrial EMC standard compliance
Functional Features: Supports high‑speed reflective memory real‑time data synchronization. Provides hardware filtering to suppress industrial electromagnetic interference. Implements hardware‑based fault detection for communication channel fault tolerance. Built‑in comprehensive self‑diagnosis for channel status, power supply and internal circuit.
Application Scenarios: Distributed VME‑based industrial automation control rack. Large‑scale factory real‑time process control system. Power plant multi‑rack coordinated control system. Petrochemical distributed control unit. Industrial real‑time safety interlock control loops.
Structural Characteristics: Standard 6U single‑slot plug‑in structure matching VME standard rack. Front panel with status indicator LED lamps for power, channel fault and communication, fiber port indicators. Front panel fixing screws for board locking.
Working Principle: Fiber reflective memory signals and VME bus signals enter through fiber port and VME golden‑finger connectors. Hardware filter circuits eliminate high‑frequency interference signals. Isolation circuits complete electrical isolation between backplane bus and local board logic circuit.
Installation Requirements: Install the module into designated slot of standard 6U VME rack. Ensure rack ground connection strictly follows system grounding specification. Fiber cables shall follow specified bending radius requirement. Separate power cable, signal cable and fiber routing to avoid crosstalk. Confirm power supply matches module rated range before power‑on. Board replacement operation must comply with site power‑off safety operation procedure.
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