Head Replacement

It is assumed that the luminaire Head is physically replaced during daylight hours. The procedure includes physical dismantling of the Head and the installation of a new Head in place of the dismantled one.

In most cases, checking the operability of the luminaire - new Head is not possible due to the lack of voltage.

Updating the technical accounting base for replacing the Head requires sequential execution of operations:

  • Dismantling of Head
  • Installation of Head

The CU replacement mode is available in which both operations are combined into one.

Uninstalling the Head

The operation can be performed at any time: before or after the physical dismantling of the Head.

  1. Go to the mounting page.
  2. Select the tab with smart light and Head installed. (The title of the tab will contain the MAC address of the associated Head).
  3. Click on the Actions button.
  4. Select the menu item Uninstall Head.
  5. Confirm the operation.
  6. The Head is dismantled (detached from the luminaire). The title of the bookmark has changed. An available menu item Actions -> Install Head has appeared.

Installing the Head

Installation of a Head equipped with a GPS sensor

The operation can be performed starting the next morning, after physical editing. When power is supplied to the luminaire, the metrics received from the Head will indicate the coordinates of its location. Coordinates will be used to display the nearest free Head.

A free Head is a Head that is not currently attached to the luminaire.

  1. Go to the mounting page.
  2. Select a bookmark with a smart light without a Head installed. (The title of the bookmark will say Not attached Head))
  3. Click on the * Actions * button.
  4. Select the menu item Install Head.
  5. The modal window that appears will display Heads that are within the specified radius. The list is sorted in ascending order of distance to the Head.
  6. Select the Head which has no * or # symbols at the end. In most cases, it is necessary to select the topmost head.
  7. Confirm the operation.
  8. The Head is linked to the luminaire. The title of the bookmark has changed. An available menu item appeared Actions -> Uninstall Head
  • the “*” (asterisk) symbol at the end of the Head identifier indicates that the Head is linked to another luminaire.
  • the “#” (lattice) symbol at the end of the Head identifier indicates the presence of the Head binding to the current luminaire.

Replacing the Head in one operation

  1. Go to the mounting page.
  2. Select a bookmark with a smart light without a Head installed. (The title of the bookmark will say Not attached Head))
  3. Click on the Actions button.
  4. Select the menu item Replace Head.
  5. The modal window that appears will display Heads that are within the specified radius. The list is sorted in ascending order of distance to the Head. The appearance of the modal window is similar to the operation Installing the Head (see above).
  6. Select the Head which has no * or # symbols at the end. In most cases, it is necessary to select the topmost Head.
  7. Confirm the operation.
  8. The Head that was attached to the luminaire was dismantled. The selected Head is linked to the luminaire. The title of the bookmark has changed.

What’s going on in the database?

When dismantling the Head, in the records of the heads table, the value is_archive = true is set in one transaction and a full duplicate of the record is created with a different id and empty values in the following fields: cabinet_id, from_dt, to_dt.

When selecting a meter for installation to SLCC, only meters for which is_archive = false and an empty cabinet_id are included in the selection.

When mounting the meter, the cabinet_id, from_dt values are filled in the meters table entry. Now, the metrics coming from this meter will be associated with the specified SLCC.

Solution of problems

The system does not find a free Head that was physically installed

The reasons:

  • The installed Head is not working properly;
  • The installed external Head (NEMA) is not inserted tightly, therefore it does not receive a stable voltage;
  • The installed Head was not detected by the radio gateway at night due to different settings;
  • Metrics The GPS sensor returns coordinates that are significantly far from the reference coordinates.

Solving the problem in the recommended order:

  • Make sure that the Head is operational before installation;
  • In the dark, connect to the Head using the Head vendor’s tools (mobile application and radio modem) to check the functionality and adjust the settings: for example, select the correct radio channel;
  • Replace Head.