Technical Specifications Board Type: VMEbus Serial Communication Controller Bus Interface: VME back‑plane bus Communication Port: Multi‑channel serial ports Power Input: VME chassis back‑plane power supply Operating Temperature: 0 °C to +60 °C Storage Temperature: ‑40 °C to +85 °C Relative Humidity: 5%‑95%, non‑condensing Form Factor: Standard VME single‑height board Certifications: CE industrial computer accessory compliance
Functional Features Provides multiple independent serial communication channels for VME system. Realizes data transmission between VME CPU and external serial field devices. Supports configurable serial communication parameter setting. Completes data buffering to improve communication data processing efficiency.
Application Scenarios Used in VME‑bus industrial control chassis, equipment monitoring system, industrial communication gateway application occasions. Connects serial instruments and field controllers for data interaction.
Performance Parameters Serial communication baud rate supports multiple configurable grades. Data buffer reduces CPU occupation during high‑frequency communication. Communication channel has certain anti‑interference performance for industrial cabinet environment.
Structural Characteristics Standard VME single‑height printed circuit board. Gold‑plated edge connector for VME back‑plane connection. Front‑panel serial port physical connectors for external cable plug‑in. Front‑panel fixing screws for locking on chassis slot.
Working Principle VME host CPU sends data to VMIVME‑7452 through VME back‑plane bus. The board converts parallel bus data into serial data and sends it out via serial port. Received serial data from external devices is buffered on board and transmitted to VME CPU via back‑plane bus.
Installation Requirements Power‑off VME chassis before board installation operation. Insert board into available VME slot and fasten front‑panel screws. Plug external serial communication cable into front‑panel port. Set serial communication parameters in system software after power‑on.
Usage Notes Implement anti‑static protection during board installation and maintenance. Forbidden hot‑plug board card under powered‑on chassis condition. Use shielded serial communication cables in strong electromagnetic interference environment.
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