Argus 010-523-B2, Руководство пользователя

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3.3.1.3 Automatically disconnecting the battery from the load:
When a transfer occurs the batteries will be connected to the load for a minimum of 2 seconds.
After this period has expired the following will dictate when and how the battery is disconnected
from the load:
3.3.1.3.1 Current flowing into the battery:
When the control circuitry detects current flowing (about 3A) into the battery a standard discon-
nect will be performed regardless of the battery or load voltage.
If 6 standard disconnects have been attempted and the battery has not been disconnected a
hard disconnect will be asserted.
3.3.1.3.2 AC Failed at time of transfer
When a transfer takes place the charger checks to see if the AC source has failed. The
charger assumes the AC feeding the charger is the same source that feeds the load power sup-
ply.
When AC power returns the charger will do a standard disconnect about once per second for
about 6 seconds. If the charger has been unsuccessful in disconnecting the battery from the
load it will do a hard disconnect.
3.3.1.3.3 AC Valid at time of transfer:
This condition would occur if the load power supply were to fail or turn off for some reason
other than loss of AC power.
When the load power supply has returned it will start sourcing current into the battery. The
charger will perform a standard disconnect when the battery voltage exceeds 12.0V (24.0V) and
one of the following conditions becomes true:
1) The battery voltage is increasing at a rate that would indicate normal power has been re-
stored to the load.
2) The voltage at the system output of the charger connector exceeds the last float voltage
less 0.25V (0.5V for the 24V battery).
In the event the load is disconnected and the normal power supply for the load has not returned
the transfer circuit will immediately reconnect the batteries to the load. The battery will be con-
nected to the load for a minimum of 2 seconds.
3.3.2 Low Voltage Disconnect (LVD):
After the battery voltage drops to a critical voltage of 10.8 V (21.6 V) the transfer circuit(s) will de-
energize the load relay(s) and disconnect the batteries from the load.
For the dual voltage charger the 24 V output will disconnect independently from the 12 V output. If
the 12 V output drops to the critical level both outputs will be disconnected from the load.
010-519-C0 Rev. A Page 3 of 15 ARGUS TECHNOLOGIES