Z-Wave

The Z-Wave integration allows you to connect and control Z-Wave compatible devices directly through the nomos system Controller.

A Z-Wave USB dongle is required for the direct connection of Z-Wave devices to the nomos system Controller.

Since Z-Wave is a wireless protocol, it's important to pay attention to the physical placement of the controller. The nomos system Controller (with Z-Wave USB dongle) should be placed centrally in the building to ensure optimal range and signal strength in all directions.

WARNING

Important: Use a USB extension of at least 30 cm between the dongle and the nomos system Controller.

Z-Wave Integration:

1. Activate Integration:
   • Click the on button to activate the Z-Wave integration.
2. Manage Devices:
   • This button opens a menu where you can manage the available Z-Wave devices. Here, you can add, edit, or restart the network scan to find hidden devices. When pairing devices, make sure to refer to the manufacturer’s instructions and user manuals for each product. Depending on the manufacturer, certain steps may need to be performed directly on the device.
3. Remove Device:
   • This option allows you to remove Z-Wave devices from the network. Make sure to correctly remove the device from the network before physically disconnecting it to avoid communication issues. Again, refer to the manufacturer’s instructions and user manuals for specific steps that may need to be done on the device itself.
4. Network Update:
   • With this button all devices look up their neighbours again, so the routes in the Z-Wave network are recalculated. This is useful after devices were added or their positions in the building changed.
   • Confirm the prompt with Update. The update can take a few minutes; battery devices follow as soon as they wake up.
5. Reset:
   • The Z-Wave radio module is reset to factory settings and the Z-Wave network is deleted. All Z-Wave devices then have to be included again. Everything else on the controller stays as it is.
   • Warning: This function should only be used if the Z-Wave network needs to be set up again.

INFO

Notes:

• Z-Wave devices communicate through a mesh network, meaning each device can relay signals to other devices to extend the range.
• Before resetting the network, make sure to back up all important data.
• When making changes to the network, use the “Network Update” to optimize communication between the devices.

The page has two tabs: Devices with the device list and the buttons above it, and Network map (see Network map).

Manage Devices: Interview and Delete

The Manage Devices window lists all nodes of the Z-Wave network. For each device, nomos shows whether it was recognised by a profile (Profile found) or automatically (Autodetected), and the Compatibility in percent.

• Unknown device – Nodes without a device description, for example because the interview did not finish, are listed as Unknown device with their node number and the note "No device description found - run an interview." You cannot add them, but you can interview and delete them.
• Interview – asks the device for its properties again. When the interview is complete, the list reloads; a previously unknown device may then be recognised.
• Delete – after a confirmation ("This cannot be undone."), removes the node from the controller as a failed node.

From version 3.2.0, nomos adds garage door and gate openers that support the Z-Wave Barrier Operator function as garage doors; you open and close them like other garage doors.

WARNING

Delete in Manage Devices does not exclude the device from the network. It is meant for defective or missing devices. Remove a working device with Remove Device (see below).

Pairing a Device

You pair a new Z-Wave device in the Manage Devices window:

1. Click Start Inclusion above the list. The controller gets ready ("Starting…").
2. As soon as Ready to pair appears, press the pairing button on the device. The manufacturer's manual says how.
3. When the device answers, Device found and Including follow. The device now reports its functions; the progress shows below as Interview in percent. Keep the device switched on and near the controller until it is done.
4. After Added the window shows the list again with the new device already selected. Click Next to give it a name and pick its room.

The three steps below the state (Ready – Found – Included) show how far pairing has got. Stop Inclusion cancels pairing.

If no device answers before pairing mode ends, the window shows No device found; if including fails, Pairing failed with the reason. Click Try again and press the pairing button once more.

Removing a Device

Remove Device opens a window of its own and starts remove mode straight away:

1. At Ready to remove, press the button on the device that you also use to pair it. The manufacturer's manual says how.
2. Device found follows while the device is removed from the Z-Wave network, then Removed. The device can then be paired again.
3. Close the window with Done.

If remove mode ends without a device answering, or removing fails, click Try again. Cancel ends remove mode.

Network map

The Network map shows which Z-Wave devices reach each other directly. This lets you see through which devices a node can reach the controller and which nodes have no link.

1. On the Z-Wave page, open the Network map tab and click Scan network. If Z-Wave is not running, the button is greyed out.
2. The scan reads each node's neighbours from the controller. It sends nothing over the air and takes only a few seconds. Afterwards the bar shows the time of the scan, for example "Scan from 10:30". The map stays as long as you do not leave the page.

Reading the map:

• The large dot is the Controller, the other dots are the Nodes, that is the Z-Wave devices.
• Each line is a direct radio link between two nodes. Z-Wave reports no link quality, so all lines have the same colour.
• A dashed ring marks a node the controller has No neighbour data for, for example because the node cannot be reached.
• A grey, dashed dot is a node nomos does not know, such as a removed device that is still in other devices' neighbour lists.
• Zoom with the mouse wheel or the Zoom in, Zoom out and Show the whole map buttons at the top right of the map. Nodes can be dragged with the mouse.

Selecting a node: Click a node to highlight its links. Next to the map (below it on a smartphone) you see its type and node ID, and below them its Links. Click a name there to select that neighbour. Open device leads to the device page.

INFO

No lines? The controller knows the neighbours only once they have been determined. On the Devices tab click Network Update, wait a few minutes and scan again. Battery-powered devices answer only when they wake up. Nodes that cannot be reached slow the Z-Wave network down; remove devices that no longer exist.

Device Configuration

Every Z-Wave device has its own configuration page. You open it with the gear icon Configuration on the device card in the Z-Wave device list or below the device name on the device page. The bar at the top shows the device name and contains Cancel and Save.

1. Wakeup Interval:
   • "Battery powered devices only - the wakeup interval of the device, in seconds." At this interval the device wakes up and reports to the controller.
2. Parameters:
   • The configuration parameters come from the manufacturer's device description. Each entry shows the name and number (Parameter n) and, if available, a description. Depending on the parameter, you pick a value from a list or type it in.
   • See the device's manual for the meaning of the values.
3. Save:
   • nomos sends the wake-up interval and the parameters you changed. If the device has no parameters, the page shows "No settings available."