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Technical description
5 Control functions
5.4 Function keys / F1 & F2
VM59.EN001
VAMP 24h support phone +358 (0)20 753 3264
145
5.4.
Function keys / F1 & F2
There are two (2) function keys (F1 and F2) available in the
relay‟s front panel. As default, these keys are programmed to
toggle VI1 and VI2.
It is possible to change F1 & F2 to toggle other VI‟s or to act as
object control. Selection of F1 & F2 function is done with
VAMPSET software under the menu ”FUNCTION BUTTONS”.
Parameters of function keys
Parameter
Value
Unit Description
Set
Selected
control
VI1
:
VI4
Object control
Function key toggles virtual
input 1
:
Function key toggles virtual
input 4
Function key acts as object
control and key can be selected
as ”DI for local open/close
control”
Set
5.5.
Output matrix
By means of the output matrix, the output signals of the
various protection stages, digital inputs, logic outputs and
other internal signals can be connected to the output relays,
front panel indicators, virtual outputs etc.
There are eight general purpose LED indicators – "A", "B", "C",
"D", "E", "F", "G" and "H"
available for customer-specific
indications on the front panel. Furthermore there are two LED
indicators specified for keys F1 and F2. In addition, the
triggering of the disturbance recorder (DR) and virtual outputs
are configurable in the output matrix. See an example in
Figure 5-2.
An output relay or indicator LED can be configured as latched
or non-latched. A non-latched relay follows the controlling
signal. A latched relay remains activated although the
controlling signal releases.
There is a common "release latched" signal to release all the
latched relays. This release signal resets all the latched output
relays and indicators. The reset signal can be given via a digital
input, via a keypad or through communication. Any digital
input can be used for resetting. The selection of the input is
done with the VAMPSET software under the menu "Release
output matrix latches". Under the same menu, the "Release
latches" parameter can be used for resetting.
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