MYERS LV Series, Руководство пользователя

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5 115159H - LV I/O OPTION
SECTION 3
Input functions defined
Indicator (IND):
The indicator function displays a specific indicator in the Contact Status
menu of the display and is passed through as data in the BACnet communication
option. This function does not change any parameters, nor does it perform any
other task.
Charger Disabled (CHD):
The charger disabled function stops the unit from charging the batteries.
Leaving the unit in this state will eventually cause the batteries to go into low
voltage disconnect, which will result in a power down of the unit and lose of
backup power. For this reason, this function is only intended for emergency use.
Switched Output (SWO):
The switched output function binds the selected input to the output of the
same number and creates a switched output. Whenever the selected input is
active, the output of the same number will go active. The same output will also
go active if the unit goes into emergency power. For example, if
IN1 is set to the
switched output function, OUT2 will toggle active whenever IN2 goes active.
OUT2 will also go active if the unit goes into emergency power.
Transfer to Battery (TTB):
The transfer to battery function forces the unit to switch to emergency
power regardless of the utility power and return from emergency power once the
unit goes into low voltage disconnect or the selected input becomes inactive. If
the unit goes into low voltage disconnect because of this function the unit will be
locked out of transferring to inverter because of this function until the selected
input goes inactive, making this effectively an edge triggered function. This
protects the batteries from a deep discharge in the case where the transfer to
battery function is left active.
Normally Off Relay (NOR):
The normally off relay function powers the normally off relay when the
selected input is active. The contacts for this relay are labeled N.Off, N.On, and
Switched. This function works with the normally off relay controls that are
standard with a LV series emergency lighting system. If the loadshed feature of
the LV series unit is enabled, it will disable the normally off relay after a set
amount of time regardless of the active state of an input set to the normally off
relay function. Multiple inputs can be set to this function at the same time,
allowing different utility zones to control the same lighting load.