IT
ALIANO
ENGLISH
60
IOMMASGPXX00-GB_01
Green Power
100-120 kVA
Functions available on the GSS card:
•
4 external inputs
to monitor the generator set. The contact at each input must be voltage-free and activate the
signal when closed to the common input:
-
pin 4 “Input 1”
: this contact must be closed when the generator set is used to power the UPS.
-
pin 6 “Input 2”
: this contact must be closed when the generator set is operating normally.
-
pin 7 “Input 3”
: this contact must be closed when an alarm condition occurs on the generator set that does not
impede its operation (e.g. low fuel, etc.)
-
pin 8 “Input 4”
: this contact must be closed when an alarm condition occurs on the generator set that impedes
its operation (engine failure, no oil, etc.)
-
pin 9 “Common input”
: the common point for the contacts of the single relays listed above.
•
1 dry-contact relay for “Notifi cation signal from UPS to the generator set (“generator call”)
: this is used to
activate the generator set start up sequence when a power failure lasts longer that the time set in the UPS con-
fi guration and/or battery discharge reaches the minimum safety level. The contact can be confi gured as normally
open or closed using the XJ2 jumper. Maximum current and voltage is 500 mA at 60 Vac.
•
“Simple” operation.
The generator set performs an auto-start up due to the power failure. The signal sent by the generator set (dry
contact activated when the UPS is powered by the generator set) must be connected between inputs 1 and 2
(short circuit) and the common inputs. Inputs 3 (GE alarm) and 4 (GE failure) which respectively generate alarms
A56 or A57 on the UPS, are to be considered options. The dry contact (generator call signal) is not used in “Simple”
operation.
• “Advanced” operation.
The generator set is activated according to the parameters set by the user on the UPS depending on how long the
power failure lasts or when the remaining battery backup time is reached. Until these conditions occur, the generator
set will remain blocked by the “generator call” contact. Subsequently, a change of status on the same contact will start
up the generator set that will send the “Generator running signal (input 2) and then “powered by GE” (input 1). The
alarms on Input 3 (GE alarm) or 4 (GE failure) are used by the UPS to generate the A56 or A57 alarms. When alarm A57
occurs, the generator set is disabled using the “generator call” signal.
Note.
In both operating states, an electric and/or electromechanical locking mechanism
must
be used to prevent the
simultaneous supply of voltage to the UPS by the generator set and by the main supply.
10
OPTIONS
Содержание Green Power 100
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