Multifunction LED Lighting ControllerOPPX Series

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Full support for image inspection
with multifunctionality
and lighting brightness control

  • Support for 12 V and 24 V input lighting
  • Support for Mitsubishi Electric iQSS
  • Recognition of individual lighting and monitoring/feedback by the new technology FALUX sensing +
OPPX Series

  • Optex FA’s original FALUX sensing technology
    developed since 2010 has evolved
    Total brightness control can now be achieved
    through recognition of individual lighting units

  • Serial numbers and total illumination time can be viewed

    The OPPX Series is equipped with the new technology FALUX sensing +.
    Connecting lighting units that support FALUX sensing + enables recognition of individual lighting units in addition to monitoring and feedback control.
    Data such as total illumination time, which differs for each individual lighting unit, can be viewed and then used for predictive maintenance.

Main functions

  • ● Monitoring

    The photodiode inside the lighting unit receives the light from the lighting unit itself and displays the brightness and temperature as the monitor value on the controller.

    Viewable items

    ・Light intensity value ・Internal temperature
    ・Monitor value (brightness) ・Model name
    ・LAMP intensity
    　correction value    		 ・Serial number*
    ・Temperature ・Total illumination time*

    ● Monitor brightness alarm

    An alarm can be output when the monitor value exceeds the threshold set for the upper/lower alarm limit.

    ● Automatic adjustment for individual differences

    By setting the same absolute brightness value among all lighting units, light with the same brightness can be emitted without individual differences. Automatic or manual adjustment can be selected, and the brightness is adjusted by changing the light intensity value.

  • ● Feedback

    If the brightness is reduced due to a voltage drop caused by cable extension or LED degradation, the output voltage is automatically corrected to maintain the brightness at the time of factory shipment.
    The offset value can be checked with the “Light intensity correction value”.

    Items with * can be checked only when connected with a lighting unit that supports FALUX sensing +

Example of using FALUX sensing +: Individual lighting control

  • The following items can be acquired when connected with a lighting unit that supports FALUX sensing +.

    ● Serial number
    ● Total illumination time

    Since the information is saved in the lighting unit, it can also be checked when connected to another OPPX.

    Even if lighting units are swapped between equipment or new lighting units are added, which lighting units are currently connected can be checked from the host PLC and utilized for equipment management.

  • New light intensity mode L-INT prevents a decrease in brightness
    caused by a voltage drop due to a cable

    When a lighting extension cable is used, there will be a decrease in lighting brightness caused by the voltage drop effect due to the cable.
    L-INT mode, a new light intensity mode, has been developed and incorporated into the OPPX Series to solve this issue.
    L-INT is a original light intensity mode to change brightness inside lighting units that support FALUX sensing +.

  • Previous issue

    Even if the same light intensity value was set on previous controllers, differences in lighting brightness would occur due to differences in cable length.

  • ● When using voltage intensity control mode of OPPX

    The brightness of the lighting unit is changed in proportion to the output voltage of the power supply. For OPPX with the 12 VDC output specification, the output voltage is adjusted from 8 to 12 VDC in 1,000 steps.
    When an extension cable is used, brightness decreases because the voltage actually applied to the lighting unit decreases compared with the output voltage of OPPX.

  • Solution implemented by new light intensity mode L-INT

    L-INT provides a solution to the voltage drop effect caused by a cable.
    This enables illumination at the same brightness even when the cable length differs due to the way cables are routed inside the equipment.

  • ● When using the L-INT mode

    Unlike with the voltage intensity control mode, the output voltage from the power supply is fixed to the maximum value regardless of the light intensity value.
    For OPPX with the 12 VDC output specification, the output voltage is fixed to 12 VDC, and the voltage is controlled inside the lighting unit so that a current flows to the LED according to the light intensity value set using the dedicated line communication of FALUX sensing +. This enables reducing the decrease in brightness caused by a voltage drop due to an extension cable.

Reduction in the decrease in brightness caused by a voltage drop due to an extension cable

  • The voltage drop caused by the cable affects the lighting unit, causing the brightness to decrease.
    Since the level of a voltage drop differs depending on the cable length, the brightness also differs.

  • Even if there is any voltage drop due to cables, the voltage is controlled inside the lighting unit, so any differences in voltage drop due to cable length is alleviated to achieve stable brightness.