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Controller operation (with Hybrid EMS)

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The blue'Log can be operated in three different modes:

  • Standalone: Only one blue'Log is used for controlling your system

  • Master: Several blue'Logs are required for large-scale control over your system, with the devices running in master-slave operation. The master blue'Log XC sends signals to a slave blue'Log XM. 

  • Slave: A slave blue'Log XM receives signals from the master blue'Log XC. 

You can set the operating mode under Power control > Controller operation.

Operating modes

Operating modes

Set up standalone mode

In standalone mode, only one blue'Log is used for controlling your system.

Example - standalone mode

Example: standalone mode

Prerequisites
  • Your inverters are connected to a single blue'Log

Steps
  1. Go to Power control > Controller operation > Operating mode > Select Standalone.

  2. A window appears asking if you want to change operating modes. Select OK.

  3. Select Save.

About master-slave mode

For a master-slave mode, you need to determine whether your inverters are connected to a single blue'Log or multiple blue'Logs. For each grid connection point, only one master can be part of the control loop. All other blue'Logs must be operated in slave mode. The following graphic illustrates a typical scenario:

Example - master slave mode

Example: master-slave mode

Set up master mode

In master mode, several blue'Logs are required for large-scale control over your system, with the devices running in master-slave operation. The master blue'Log XC sends signals to a slave blue'Log XM.

Prerequisites
  • Your inverters are connected to two or more blue'Logs

  • Firmware: master and slave must have the same firmware

Steps
  1. Go to Power Control > Controller operation > activate the Master toggle.

  2. A window appears asking if you want to change operating modes. Select OK.

  3. The blue'Log automatically searches for blue'Logs in the same network. These are displayed in the Slaves area.

  4. In the Actions column, select the Link icon to indicate that the blue'Log is a slave. A green check mark will appear next to the blue'Log name. Alternatively, you can also select multiple slaves by checking the box and selecting Connect selected.

Note

If slaves are not automatically found, check that the Avahi toggle is activated under System > Ethernet > Hostname.

Hostname

Hostname

If this does not work:

  • Without Hybrid EMS: Go to Power Control > Operating data > Slaves.

  • With Hybrid EMS: Go to Power Control >Controller operation > Slaves.

  • Select Add device by IP. Enter the IP address and select OK.

Add device by IP

Add device by IP


Slaves overview

The Slaves area shows all available devices that can be connected as slave devices.

Slaves

Item

Name 

Details

1

Green check mark

The slave is connected to this device

2

Chain icon 

Connect a device as a slave to this device

3

Yellow check mark 

The slave is connected to another device

4

Arrow icon

Access the web interface for this slave device

5

Add device by IP

Manually add a device using its IP address

Set up slave mode

In slave mode, a slave blue'Log XM receives signals from the master blue'Log XC.

Prerequisites
  • A blue'Log XM or XC connected via Ethernet to a blueLog XC

  • Firmware: master and slave must have the same firmware

For slave mode, the master device must first send a connection request.

The name of the master blue'Log will appear under Power control > Operating data > Assigned master. If a device is operating in slave mode, the sidebar items Active power and Reactive power will be grayed out.

Further actions

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