Miniserver

The Loxone Miniserver serves as central control unit for all kinds of automation tasks.

The replaceable microSD card contains the operating system as well as the user programming and settings. The LAN interface is used for programming and the integrated web server allows the control of the system via a web interface or the Loxone App.

It features 8 potential free relays, 8 digital inputs and 4 analogue inputs (0-10V). Up to 30 Extensions can be added to the Miniserver via the Link interface to add additional functions such as inputs, outputs or interfaces.

A Loxone Tree interface is also integrated to connect sensors and actuators throughout the building.

Datasheet Miniserver

Table of Contents


Commissioning

The Miniserver is installed on a DIN rail in a suitable enclosure.

Connect the power supply, as well as inputs/outputs and interfaces, if applicable.

Via the LAN port the Miniserver is connected to the local network or a WiFi router.

Information on connecting additional devices.

The Miniserver starts after the power supply is turned on, and will be operational within a few seconds.
Once the boot up process is complete, the left status LED will blink green once every second.
The right LED indicates whether any System Status messages are available.

At first startup with factory settings, the Miniserver is assigned an IP address by the router via DHCP.

If there is no DHCP server in your network, or if the Miniserver is connected directly to a PC, link-local addressing via Zeroconf is supported.
If both Miniserver and computer are set to DHCP, they will use a 169.254.x.x link-local address.
Alternatively, you can manually assign a static IP address to the Miniserver and computer to enable a direct connection.

You can then search for the Miniserver in Loxone Config and connect. The factory settings for user and password are: admin/admin

Then follow the instructions for the Initial Setup to create your new project with the Miniserver.


Connecting Extensions

Up to 30 Extensions can be connected to a Miniservers Link Interface according to the following diagram:

Connect the Extensions to a Miniserver by daisy-chaining the Link interfaces. If any of the Extensions are connected to a separate power supply, then all power supply's GND (negative) have to be interconnected. This connection is crucial for reliable data transmission.

The blue/white pair of a CAT5/6/7 cable is used to wire the Link throughout a building. This allows a maximum length of 500m/1640ft.

The Link interface is terminated at the last Extension using the 120 Ohm resistor that is included with the Miniserver.

After switching on the power supply, the Extensions first flash red, and after successful connection to the Miniserver they flash orange.

You can now proceed with pairing the Extensions.


Connecting Tree Devices

Up to 50 Tree Devices can be connected to the Tree Interface of a Miniserver, or each of the two branches of a Tree Extension. There must be no connection between different Tree branches.
The following diagram shows the wiring of several Tree devices connected to two different Branches of a Tree Extension.

The following wiring topologies are possible, at a maximum length of 500m/1640ft:

The Loxone Tree cable is used for wiring, it contains the Tree communication lines as well as the lines for the 24VDC power supply in the corresponding colors. For devices with higher power requirements such as Tree lighting products, the Tree cable also contains a pair of wires with 1.5mm² cross-section (AWG16) for power supply.

We recommend running one Tree cable from the panel per room and then branching off to the individual Tree devices in that room. This corresponds to a Tree topology.

Within the enclosure, panel wire with twisted pairs is used for wiring.

Devices that communicate with each other have to share a common GND. This is necessary if more than one power supply is used. (e.g. in a sub-panel, or if separate power supplies are used for lighting). For this all power supply's GND (negative) have to be interconnected. This connection is crucial for reliable data transmission.

The cable length of max. 500m per tree branch refers purely to the data lines, not to the 24V power supply. For consumers with higher power such as tree lamps or tree dimmers, the achievable cable length is often significantly shorter due to the resulting voltage drop.

If the current flow on the GND line results in a voltage drop too high, this potential difference also affects the tree communication.
To solve this problem, split consumers of higher power over longer distances to several supply lines, or use a supply line with a higher cross-section, or a power supply close to the consumers.
For existing installations, doubling the cross-section of the GND line is often sufficient to eliminate the potential difference.

You can now proceed with pairing the Tree devices.


Device Status

The Device Status serves as a central overview of the status of all devices in the programming, This enables a fast, but also detailed error diagnosis.

The Device Status can be opened via the menu bar:

If a device is offline, currently being updated or has not yet been paired, this is highlighted in color in the status column:

Diagnostic Options

With a right click on the desired device, individual information can be retrieved and actions triggered. These available options are device-dependent.

1. Text file with details of the selected device
2. Detailed troubleshooting details are summarized in a text file (TechReport), battery powered air devices must be awake for this purpose
3. Reboot device*
4. Get central log file def.log, where important events in the system are logged*
5. Show structure file LoxApp3.json, file to enable communication between user interface and miniserver*
6. Send device command
7. Send device to sleep
8. Keep device awake

* only available for miniserver

Additional information
Update and Diagnostics for Tree Devices
Update and Diagnostics for Air Devices


Additional information

Restore factory defaults and format SD card

Creating a backup

Update the Miniserver

How to set up remote access

Connecting several Miniservers via Tree Intercommunication

Connecting multiple Miniservers via Gateway-Client function


Replace Miniserver

If a Miniserver needs to be replaced by another one, a wizard is available in Loxone Config to guide you through the necessary steps.
Start the wizard and follow the instructions:


Sensors

Summary Unit Value Range
Input 1 Digital 0/1
Input 2 Digital 0/1
Input 3 Digital 0/1
Input 4 Digital 0/1
Input 5 Digital 0/1
Input 6 Digital 0/1
Input 7 Digital 0/1
Input 8 Digital 0/1
Voltage 1 -
Voltage 2 -
Voltage 3 -
Voltage 4 -




Actuators

Summary Unit Value Range
Actuator (Relay) 1 Digital 0/1
Actuator (Relay) 2 Digital 0/1
Actuator (Relay) 3 Digital 0/1
Actuator (Relay) 4 Digital 0/1
Actuator (Relay) 5 Digital 0/1
Actuator (Relay) 6 Digital 0/1
Actuator (Relay) 7 Digital 0/1
Actuator (Relay) 8 Digital 0/1




Diagnostic Inputs

Summary Description Unit Value Range
Computing power throttling Digital 0/1
Temperature Shutdown If the CPU temperature reaches a critical point, the outputs of the device are switched off. This can be due to short-circuits, overloaded switching loads or too high an ambient temperature. Digital 0/1




Properties

Summary Description Default Value
Serial Number Specifies the serial number of the device.
For Extensions: Enter 'Auto' to automatically pair an extension with unknown serial number.
This can only be used if there is only one Extension of the same type.
Save into the Miniserver, in order to pair the Extension.
Afterwards the program must be loaded from the Miniserver to transfer the actual serial number of the Extension into the program.
-
Device type -
Local Address Enter the local address of the Miniserver, this is the IP address or hostname that can be used to reach it on the local network. -
External Address Enter the address through which the Miniserver is accessible over the internet (Hostname or IP).
If you are using Loxone Cloud DNS, then please enter
dns.loxonecloud.com or dns.loxonecloud.com:<port> if you are not using port 80.
-
External Port HTTP The external port that you specified in the port forwarding settings of your router for the HTTP port of the Miniserver -
External Port HTTPS The external port that you specified in the port forwarding settings of your router for the HTTPS port of the Miniserver -
Miniserver Configuration Edit Miniserver settings. A connection to the Miniserver is required. -




Safety Instructions

Installation must be carried out by a qualified electrician in accordance with the applicable regulations.

This device must be mounted on a DIN rail in an electrical distribution enclosure to ensure protection against contact, water and dust.

This device must not be used as part of safety-critical systems.


Documents

Datasheet Miniserver