VMIVME-1150 64-bit Optically Coupled Digital Input Board

Description

VMIVME-1150 64-bit Optically Coupled Digital Input Board

Features:
• 64 optically coupled digital inputs
• 5V to 48VDC input range
• High isolation, 1,000V sustained, 7,500V pulsed
• Filtered input options
• Dual I/O connectors
• Contact closure sensing
• Voltage sourcing or current sinking input options r with front panel High reliability DIN-compatible input connectors
• Positive or negative true input options
• Double Eurocard form facto
• 8- or 16-bit data transfers
• Nonprivileged or supervisory I/O access

VMIVME-1150

Board Function: This 64-bit optically coupled, digital input board, was designed and optimized specifically for the VME.
Featuring high isolation, the VMIVME-1150 provides a flexible, low-cost 8-byte digital input port with high noise immunity. The
Functional Block Diagram is shown in Figure 1.
Compatibility: The VMIVME-1150 is a standard, double height printed circuit board that is electrically and mechanically
compatible with the VME. Input Organization: Eight input ports, each eight bits wide. The
ports are arranged as eight contiguous 8-bit, read-only registers.
Addressing Scheme: Each 8-bit port, individually addressable on 8- or 16-bit boundaries anywhere within the short
supervisory or short nonprivileged I/O space. Board Address: The board address is selected by onboard DIP
switches. Operation is supported in any available slot on the VME backplane, except slot 1.
VME Access: Address modifier bits are decoded to support either short supervisory or nonprivileged short I/O access

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