ABB RET 541 - Page 38

Transformer Terminal RET 541, RET 543, RET 545
1MRS755543
38
Functionality levels
The functionality level determines the extent
of the selection of function blocks available
for the transformer terminal. For more detail-
ed information on the separate function
blocks included in each selection, please con-
sult your relay supplier.
Functionality level Selection of function blocks
C (Control) All control
1
, condition monitoring and measurement functions
B (Basic) All control
1
, condition monitoring and measurement functions,
basic protection functions
M (Multi) All control
1
, condition monitoring, measurement and
protection functions
1) The COLTC Tap Changer control function block comes as standard in the Control version. In the Basic and the Multi
versions, COLTC is available as an option.
Self-supervision outputs
1 1 1