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Technical description
5 Control functions
5.1 Output relays
VM59.EN001
VAMP 24h support phone +358 (0)20 753 3264
141
5.
Control functions
5.1.
Output relays
The output relays are also called digital outputs. Any internal
signal can be connected to the output relays using output
matrix. An output relay can be configured as latched or non-
latched. See output matrix for more details.
The difference between trip contacts and alarm contacts is the
DC breaking capacity. See chapters 9.1.4 and 9.1.5 for details.
The contacts are SPST normal open type (NO), except alarm
relay A1 which has change over contact (SPDT).
Parameters of output relays
Parameter
Value
Unit
Description
Note
T1 … T4
0
1
Status of trip output relay
F
A1
0
1
Status of alarm output relay
F
IF
0
1
Status of the internal fault
indication relay
F
Force
On
Off
Force flag for output relay
forcing for test purposes.
This is a common flag for all
output relays and protection
stage status, too. Any forced
relay(s) and this flag are
automatically reset by a 5-
minute timeout.
Set
REMOTE PULSES
T3, T4, A1
0.00 ... 99.98
or
99.99
s
Pulse length for direct
output relay control via
communications protocols.
99.99 s = Infinite. Release
by writing "0" to the direct
control parameter
Set
NAMES for OUTPUT RELAYS (editable with VAMPSET only)
Description String of
max. 32
characters
Names for DO on
VAMPSET screens. Default
is
"Trip relay n", n=1...4 or
"Alarm relay n", n=1
Set
Set = An editable parameter (password needed)
F = Editable when force flag is on
Содержание VAMP 59
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