Technical description
1 Introduction
1.1 Main features
VM265.EN011
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43
1.1.
Main features
The main features of VAMP 265 are
Fully digital signal handling with a powerful 16-bit
microprocessor, and high measuring accuracy on all the
setting ranges due to an accurate 16-bit A/D conversion
technique.
Wide setting ranges for the protection functions, e.g. the
earth fault protection can reach a sensitivity of 0.5%.
The device can be matched to the requirements of the
application by disabling the functions that are not needed.
Flexible control and blocking possibilities due to digital
signal control inputs (DI) and outputs (DO).
Easy adaptability of the relay to various substations and
alarm systems due to flexible signal-grouping matrix in the
relay .
Freely configurable display with six measurement values.
Freely configurable interlocking schemes with basic logic
functions.
Recording of events and fault values into an event register
from which the data can be read via a keypad and a local
HMI or by means of a PC based VAMPSET user interface.
Latest events and indications are in non-volatile memory.
Easy configuration, parameterisation and reading of
information via local HMI, or with a VAMPSET user
interface.
Easy connection to power plant automation system due to a
versatile serial connection and several available
communication protocols.
Built-in, self-regulating ac/dc converter for auxiliary power
supply from any source within the range from 40 to 265 V dc
or ac. The alternative power supply is for 18 to 36 V dc.
Built-in disturbance recorder for evaluating all the analogue
and digital signals.
Eight (8) programmable stages for alarming or protection
purposes
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