Technical Specifications Board Type: VMEbus Digital Input Output Board Bus Interface: VME back‑plane bus interface Signal Type: Discrete digital input / output channels Board Power: VME 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 control board compliance
Functional Features Acquires on‑site discrete switch‑value status signal. Outputs digital switch control signal to drive external field equipment. Supports interrupt trigger function for event signal. Realizes data interaction with VME bus host CPU through back‑plane.
Application Scenarios Applied in VME‑bus industrial control chassis, industrial test equipment, large‑scale automatic production control system. Complete field switch signal collection and logic control output tasks.
Performance Parameters Channel electrical level conforms to VMIVME‑1150 series hardware specification. Interrupt response satisfies industrial real‑time signal processing requirement. Signal isolation protects internal board circuit from field interference signal.
Structural Characteristics Standard single‑height VME printed circuit board. Gold‑plated edge connector for VME back‑plane connection. Front‑panel fixing hardware for chassis slot fastening. External signal access via front‑panel or rear‑wiring interface.
Working Principle Field digital signals pass through isolation circuit to board input channel, then transmitted to VME bus CPU. Control command from CPU is transmitted via VME back‑plane to this board, converted into external digital output signal to control on‑site field equipment.
Installation Requirements Power off VME chassis before board installation. Insert VMIVME‑1150‑123L into empty VME slot, fasten front‑panel screws. Complete field signal wiring to corresponding board signal terminals. Carry out hardware resource configuration after system power‑on.
Usage Notes Follow anti‑static protective measures during board handling. Hot‑plug operation under powered chassis is strictly forbidden. Control cabinet should take electromagnetic shielding measures to reduce signal interference.
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