Assign a battery unit to a PCS

Last modified: 2026-07-24

After adding a subsystem with battery inverters, assign the respective battery units that are connected to these PCSs in order to have an adequate representation of your system setup. Which units are available depends on the individual hierarchy of your battery storage system.

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Examples for battery units

Containers
Racks
Modules
Cells

Prerequisites

You have added a battery subsystem to your system. See Add a battery subsystem.
You have activated the VCOM Battery Monitoring module. See Activate the module Battery Monitoring.

User group technician or higher

Steps

At System level , select System settings > Data sources > [Data logger name] Administration.
In the table overview, you see your data logger’s configurations.
Select Assign battery units in the respective column.
On the new page, you see a table with all the PCSs you specified when adding a battery subsystem.
Select Manage assignments for a PCS.
In the appearing pop-up, you see a table with all Battery units you may already assigned to this PCS.
Select Add assignment.
In the newly appearing pop-up, you see a table with all Battery units still available for assignment. Units you may already assigned to this PCS are not listed anymore. Also, find the additional information on which units are already Assigned to another inverter. It is possible to assign one unit to multiple PCSs.
Tick the checkboxes for all battery units that are connected to the PCS you are managing.
Select Add assignments.
You return to the table of already assigned units for this PCS, including the new assignments now.
Select Save to complete the assignments.

The battery units are now assigned, and their total number appears in the column Number of assigned battery units in the table overview of PCSs.

Table overview of battery inverters — Table overview of PCSs

Further actions

Manage the assignments for the other PCSs in the same manner.
Select Manage assignments > Unassign to remove an assignment.