Congratulation for buying the Barionet 400 for Syn-Apps. We hope you find a quick start with this product and if a question remains, write us at

(warning) Safety Precautions: Please make sure to first read the safety information in order to avoid hazards.

Package contents

  • Barionet 400

  • 1 Female Terminal block
  • Sticker with LAN MAC Address

1. Powering up

Hardware Installation

Slide the device upwards onto the DIN rail. Push it up and towards the rail until it snaps onto the upper rail edge.

Connecting to power and initialization

Power over Ethernet (PoE)

Simply connect a PoE supplied network cable into the network port and the device is starting up.

Option: Power Supply

The Barionet 400 also offers the possibility to be powered with a standard DC supply voltage of 9V to 30V, 4W max. Please mind the polarity. When powered up, the Status LED of the CPUs will start blinking, indicating that the device is starting up. When the device is initialized, the Status LEDs turn solid.



Configuration of a static IP

The Barionet 400 is configured to be a DHCP Client by default.

  1. Plug an Ethernet cable from the Barionet 400 to an Ethernet network. 
  2. Use a Network Scanning Program or the Barix Discovery Tool in order to determine the IP Address according to the given MAC Address. 
  3. In your Webbrowser connect to the determined IP Address. 
  4. The Root Password of the Device can be found on a sticker on the Backside of the Device. 
  5. Use the "Ethernet" Section in order to configure the Ethernet Interface:

Reseting and Rebooting Optioins

Rebooting the Device by Hardware Button

The Reset/Reboot can also be performed by the RESET Button on the Device. Use a needle to perform Reset by pressing the Button.

Resetting the Network Configuration

If you have entered a wrong Network configuration (Ethernet IP etc.), the Network configuration can be reset using the Factory Defaults Button. Press the button for 3-5 Seconds and the Network Configuration is reset to factory defaults (Ethernet back on DHCP).

Resetting Ethernet to Factory Default

The Factory defaults can be set by the DEFAULTS Button on the Device. Use a needle to perform Factory Defaults by pressing the Button for at least 10s.

At this point, the device will reboot and apply default settings.

Please note that all data except the User Partition will be deleted. Barionet Application Package will be set back to Firmware Image default.

Device Ports

Top view

J1 - 1xUSB Host 

1VCC (+5V) 
2D – (Data -)
3D + (Data +)

T1 - Ethernet (RJ45)  

1TX + (Transmit data)
2TX - (Transmit data)
3RX + (Receive data)
6RX – (Receive data)

J8 - Digital Inputs, Relais, Power

1..4Digital Input 1..4
5,6GND (Ground)
7Relay 1 common 
8Relay 1 normally open 
9Relay 2 common  
10Relay 2 normally open 
11Relay 3 common 
12Relay 3 normally open 
13Relay 4 common 
14Relay 4 normally open 
15Power In + 9..30VDC
16Power In - (GND)

BLUE CPU LED shows Main CPU Status:

  • blinking: startup
  • solid: Main CPU running 

RED CPU LED shows IO CPU Status

  • blinking: startup
  • red solid: IO CPU running

Green Digital Input LEDs show Status of Digital Inputs

  • solid: Digital Input activated

Yellow Relais LEDs show Status of Relais Outputs

  • solid: Relais Output activated

Advanced Functionality

To modify the Barionet in addition to the Syn-Apps settings, please read the Barionet 400 standard manual.

Compliance Note

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and receiver.
  • Connect the device into an outlet on a circuit different from that to which the receiver is connected.
  • Consult the dealer or an experienced radio/TV technician for help.

Safety and precaution recommendations apply. Find them in the download section at