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1747-OCVGA1

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Allen-Bradley 1747-OCVGA1 is an Open Controller video interface module for VGA/SVGA monitors and supported LCD displays.
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Technical specifications for 1747-OCVGA1

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1747-OCVGA1
  • Product Family:
    SLC 500
  • Product Type:
    Open Controller VGA/SVGA Video Interface Module
  • Stock:
    1
  • VGA/SVGA Modes:
    640 × 480, 800 × 600, and 1024 × 768 non-interlaced; 1280 × 1024 interlaced
  • LCD Support:
    800 × 600 full screen
  • Video Memory:
    2 MB
  • Included Driver Platforms:
    DOS, Windows 3.x, and Windows 95
  • Video Cable:
    User-supplied VGA-compatible cable
  • Installation Position:
    Open Controller PCI expansion-bus slot, not a standard 1746 I/O slot
  • Backplane Current:
    0.25 A at 5 V DC
  • Operating Temperature:
    0…60°C
  • Storage Temperature:
    -40…85°C
  • Relative Humidity:
    5…95%, noncondensing
  • Weight:
    0.17 kg
  • Tariff Code:
    8538900000
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Display Modes Software Installation Application
  • VGA/SVGA interface for Allen-Bradley Open Controller systems
  • Supports documented monitor modes through 1280 × 1024 interlaced
  • Includes 2 MB video memory and legacy DOS/Windows drivers

1747-OCVGA1 supports maintenance of legacy Open Controller workstations where a directly connected display is required for local setup, diagnostics, or operator access.

Successful reuse depends on the original DOS or Windows driver package, the selected monitor mode, and a compatible display-and-cable combination rather than the interface board alone.

Before a swap, archive the driver disk and display configuration, then document the PCI slot, 5 V loading, cable type, and monitor capabilities used by the machine.

Availability, condition, price, and shipping time for 1747-OCVGA1 are confirmed during quotation.

Allen-Bradley 1747-OCVGA1 Manuals, Product Family, Links

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

  • Three common VGA/SVGA resolutions are non-interlaced
  • The 1280 × 1024 mode is documented as interlaced
  • LCD operation is documented at 800 × 600 full screen
  • DOS drivers are included
  • Windows 3.x drivers are included
  • Windows 95 drivers are included
  • The module uses an Open Controller PCI expansion slot
  • The VGA-compatible cable is user supplied
  • Monitor timing and selected resolution must be compatible
  • Local VGA/SVGA operator-interface display on an Open Controller
  • 800 × 600 LCD operator panel in an Open Controller system
  • DOS or legacy Windows diagnostic and visualization display for PC-based control
Description
1747-OCVGA1 supplies the display hardware needed to add a local monitor to an Allen-Bradley Open Controller installation.

Its legacy driver set covers DOS, Windows 3.x, and Windows 95, with documented VGA/SVGA and LCD modes stored in 2 MB of video memory.

Before replacement, preserve the driver disk and display settings, verify the PCI slot and 5 V load, and supply a compatible VGA cable and monitor.
Alternative Names
1747-OCVGA1 1747 OCVGA1 1747OCVGA1 Allen-Bradley 1747-OCVGA1 Allen Bradley 1747-OCVGA1 Rockwell Automation 1747-OCVGA1 Open Controller 1747-OCVGA1
Technical notes
1747-OCVGA1 requires an Open Controller PCI slot, preserved DOS/Windows driver, compatible display mode, user VGA cable, and adequate 5 V power; unsupported timing can produce no image.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
How should a display be selected for Allen-Bradley 1747-OCVGA1?
Match the monitor or LCD to a documented video mode, refresh timing, connector, and operating-system driver; resolution alone is not enough to confirm a usable legacy display.
Can Allen-Bradley 1747-OCVGA1 be installed or removed while the Open Controller chassis is powered?
No. Disconnect chassis power before installing, removing, or reseating the video module, then inspect the PCI connection and mounting hardware before restoring power.
Can the existing video cable automatically be reused with Allen-Bradley 1747-OCVGA1?
Only after confirming connector gender, pin condition, shielding, route, length, and the selected display. Rockwell describes the VGA-compatible cable as user supplied rather than part of the module.
Can Allen-Bradley 1747-OCVGA1 be moved to another Open Controller without reinstalling its display software?
Do not assume so. The target controller must have the compatible display driver, startup configuration, selected video mode, and monitor connection required by the installed operating environment.
Can Allen-Bradley 1747-OCVGA1 replace a standard SLC output module or standalone HMI?
No. It is an Open Controller video option for a dedicated PCI expansion-bus slot; it neither occupies a standard 1746 I/O slot nor functions as a complete operator terminal by itself.
What should be checked if Allen-Bradley 1747-OCVGA1 produces an unstable or incorrectly scaled image?
Match the installed driver, selected resolution, refresh and interlace timing, VGA cable, and monitor input to a supported display mode; a monitor may accept VGA yet still reject or distort the configured timing.
Why might a replacement Allen-Bradley 1747-OCVGA1 show no image?
Check PCI-slot seating, 5 V load, driver installation, selected resolution and refresh timing, VGA cable, monitor input, and whether the display supports the configured mode.

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