ABB REF 54 Series Technical Reference Manual page 27

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Technical Reference Manual, General
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When the parameters are set locally via the HMI, the setting parameters can be
chosen from the hierarchical menu structure. The desired language for parameter
description can also be selected. Detailed information about setting and navigation
is found in the RE_ 54_ Operator's Manual (1MRS750500-MUM).
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The Relay Setting Tool is used for parameterizing and setting the REF 54_ feeder
terminals externally. The parameters can be set off-line on a PC and downloaded to
the feeder terminal over a communication port. The menu structure of the setting
tool, including views relating to parameterization and settings, is the same as the
menu structure of the feeder terminal. The use of the tool is instructed in the RED
Relay Tool Operator's Manual (refer to section "References" on page 96).
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When parameter values are changed, the new values take effect immediately.
However, the new parameter values as well as the recorded data are saved in a non-
volatile memory only after they have been stored via the parameter "Store" in the
menu Configuration/General (refer also to the Operator's Manual 1MRS
750500-MUM) or via the relay tools.
Provided the storing was completed successfully, the information stored in the non-
volatile memory is preserved in the memory also in case of a power interruption.
During the storing procedure, it is not possible to reset the feeder terminal via the
parameter "Software reset" or to load a new project.
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