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HITACHI original adjustable matching method is adopted to enable human-like assessment according to changes in the size and line thickness of dot fonts. This allows the character size and tilt, which would otherwise be judged NG by general image verification, to pass the verification stage and prevents unnecessary item rejection.
A color camera can be used to judge color differences that would not otherwise be identifiable by a monochrome camera. Software color filters eliminate the need for users to select lighting and install color filters.
Simplified item setup by following the on-screen guidance.
For general verification, parameters, such as “setting binarized level” and “setting color filter” , which may have a significant impact on verification preciseness, are displayed on screen for a user-friendly configuration, which would be conventionally difficult without professional knowledge.
Optimally configured focus and diaphragm, which were previously reliant on operator’s experience and intuition, are displayed as numeric readings.
Various adjustments by checking the numeric data carry simple setting.
The point with the highest focal value of manual adjustment is found and displayed at the appropriate focal position on screen.
The densities (lighting) of the center and four corners are displayed when capturing the white image, which allows checking for uniform and appropriate lighting.
Even where the moving work rotates (±180°), the immediate rotation correction allows stable print verification.
The print position of characters and logo marks can be set as reference values, which allows immediate catch-up for correction, even if the work position moves back and forth and around.
The calendar and count function are built in for automatic catch-up with print data change such as the date of manufacture, best-before date, and serial lot number.
The offset function is provided for automatic calculations in compliance with the period (offset) setting.
High-level collaboration with Hitachi IJ printer. Switching items and changing printed characters on the printer side can be automatically aligned with the Vision System.
The time and the verification results can be saved as traceability information.
|Number of registered items||240 items|
|Number of verification areas||Max. 6 areas|
|Number of verification characters||Max. 16 characters per area|
|Verification characters||Characters marked by IJP, laser, thermal and stamp|
|Tilt of characters||Within ±3°|
|Verification method||Character matching, presence and area|
|Character dictionary||20 patterns per font
(OK characters: 10 patterns, NG characters: 10 patterns)
Block: 8 patterns
|Counter display||Total verified, pass and error patterns|
|Correction function||Rotation correction (±180°), reference position correction, shading correction|
|Rotation correction||Search range: ±180°|
|Substitution||Alphanumeric substitution of year, month, date and time; count-up random verification|
|Save of images||Latest NG images: 100; latest OK images: 8|
|Result signal output||Strobe|
|Touch panel display interface||15.0 inch TFT LCD, Resistive touch panel|
|Camera Interface||Color VGA, or Monochrome VGA camera|
|Light||White LED strobe lighting x 2||-|
|Light controller||Dedicated light controller||-|
|External memory||USB port x 2|
|Input signal||Verification sensor, encoder, error reset, count reset, test mode|
|Output signal||Display light, verification result, verification ready, unit ready,
verification complete, test mode, external strobe
|Power supply||AC100-120/200-240V±10%, 50/60Hz|
|Electricity consumption||120VA or lower|
|Ambient temperature and humidity||0-40°C/32-104°F,30-80%RH|
|Operating environment||No condensation, no dust, nor corrosive gas|