MR ETOS TD - Maintenance (Optional)

9 Visualization
Maschinenfabrik Reinhausen GmbH 2020 2614453918/14 EN ETOS
®
TD
When in delivery status, you can log in as the administrator as follows:
▪ User name: admin
▪ Password: admin
Creating a backup You need to create a backup to be able to reset the system in the event that
any incorrect configuration settings are made. To do so, proceed as follows:
1. Go to Settings > Export.
2. Go to the option Settings to export a backup copy of the current settings.
3. Select the desired Interface (USB or PC).
4. Press the Export button to start the export.
Configuring DIO To configure the device's digital inputs and outputs, proceed as follows:
1. Go to menu item Settings > DIO configuration.
2. Where necessary, select the buttons ▲ or ▼ to sort the properties in a
column alphabetically.
3. Configure the properties as desired.
4. Press the Accept button.
5. Confirm the security prompt with Yes to save the changes.
9.31 Maintenance (optional)
The device monitors the following maintenance:
Maintenance Description
OLTC maintenance The on-load tap-changer must be maintained in accordance
with the MR standards.
OLTC replacement The on-load tap-changer must be replaced with a new on-
load tap-changer.
DSI replacement The diverter switch insert must be replaced with a new di-
verter switch insert.
Contact wear The main switching contacts or transition contacts of the on-
load tap-changer must be exchanged or replaced.
Oil change and
cleaning
The oil must be changed and the diverter switch insert, oil
compartment, and oil conservator must be cleaned.
Selector mainte-
nance
The on-load tap-changer selector must be maintained in ac-
cordance with the MR standards.
Oil sample An oil sample must be taken and analyzed; the limit values
specified by MR for added insulating oil must be observed.
Oil filter unit The oil filter of the oil filter unit must be replaced.
OLTC operator inter-
val
Maintenance interval for the on-load tap-changer; the interval
depends on the number of tap-change operations or on time,
and the operator can specify it.
Transformer opera-
tor interval
Time-dependent maintenance interval for the transformer,
which the operator can specify.
Table84: Maintenance tasks