Triggering with the PLC Device
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Triggering with the PLC Device

Use a PLC register to send a trigger to follower devices provisioned in the Connectivity Gateway.
  1. Navigate to the
    Configuration
    screen using the left menu on the
    Home
    page.
  2. Ensure that
    Run Mode
    is set to
    Trigger
    . Select
    Trigger Mode
    and click
    Update
    .
    Switching run mode erases the scan data.
  3. Create the PLC device and navigate to the
    PLC Configuration
    screen from the
    Admin Settings
    menu.
  4. Click
    Monitoring Tag
    .
  5. Select the PLC device from the menu, specify the PLC
    Tag to Monitor
    , and define a
    Trigger Value
    .
  6. Click
    Apply
    to save the settings and apply them.
    The PLC triggers the Connectivity Gateway when a tag matches the specified value in the
    TRIGGER WHEN EQUAL TO (INT2)
    field and when the PLC tag value changes back to the specified trigger value from another value. Program the PLC to keep the tag total low as a part of its results handling procedure or enable Reset after Trigger to reset the trigger tag to 0 when enabled.
  7. The
    Trigger Device
    ,
    Monitoring Tag
    , and
    Trigger Value
    at the top of the menu updates to reflect the new monitoring definition.
  8. In
    PLC Config
    , enable
    PLC Triggering
    to monitor the specified PLC
    Monitoring Tag
    when it becomes equal to the
    Trigger Value
    . Every time the PLC tag value becomes equal to the configured
    Trigger Value
    , a trigger is sent to the follower devices.
    The PLC trigger device must be active for triggering to occur. Start the PLC device from the
    Control PLC
    menu.