Downgrade[Nicht freigegeben]
| The tasks described in this section may only be carried out by a qualified electrician. |
By using the downgrade input, it is possible to reduce the grid connection charging current that is not available at its maximum level under certain circumstances or at certain times. For example, the downgrade input can be controlled by the following criteria or control systems:
- Electricity rate
- Clock position
- Load shedding
- Manual control
- External load management
In the delivery state, the downgrade input is controlled as follows:
Switching contact status | Downgrade status |
|---|---|
open | Downgrade active |
closed | Downgrade inactive |
The configuration tool is required to change the control of the downgrade input.
Electrical connection of the switching contact
ATTENTION
Material damage due to improper installation
Improper installation of the switching contact can damage the product or lead to malfunctions. Observe the following requirements during the installation:
- Select suitable cable routing to avoid interference.
In the delivery state, a jumper is inserted on the downgrade input. This must be removed first.
- Remove the jumper.
- Install external switching contact.
- Strip the cable.
- Strip the conductors 10 mm.
- Connect the conductors to terminals 3 and 4 (XG1).
- Comply with the connection data for the downgrade input.
- Fit the split ferrite (included in the scope of delivery) onto the cable and snap on.
Configuration
The reduced charging current, which is applied when the switching contact at the downgrade input is energised, can be set via DIP switches 4 and 5 on bank S2. The charging current is reduced on a percentage basis depending on the set maximum charging current.
DIP switch setting (bank S2) | Percentage of max. charging current | Reduced charging current (example: max. charging current = 10 A) | |
|---|---|---|---|
4 | 5 | ||
OFF | OFF | 0 % | 0 A |
OFF | ON | 25 % | 6 A * |
ON | OFF | 50 % | 6 A * |
ON | ON | 75 % | 7.5 A * |
* At least 6 A are always available for the charging process. If the calculated reduced charge current is less than 6 A, it is rounded up.