EnerSys Alpha Micro 100, Installation And Operation Manual

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017-220-J0 Rev C
• C1 is the “On Batt” contact,
triggered when the UPS is in
Backup mode and battery power is
provided to the load.
• C2 is the “Low Batt” contact,
triggered when the battery voltage
falls below a pre-programmed
setting.
• The functionality of these contacts
can be changed from these factory
defaults, see "Table Q — Dry
Contact Configuration Settings" on
page 67.for more details.
The dry contacts have a
maximum rating of 1A at
250Vac or 28Vdc.
Microprocessor
UPS
Interior
Normally
Closed (NC) Normally
Open (NO)
Common (C)
The Alpha Micro 100 conditions the utility input to provide regulated AC voltage at the output. While the utility is
present, the Alpha Micro 100 keeps the batteries fully charged. In the event of a utility failure, the Alpha Micro 100
continues to power the loads using the energy stored in the batteries until they are depleted to low battery discon-
nect level.
The Alpha Micro 100 comes standard with a USB-B serial port for on site communications. The unit configuration
and be modified and operating conditions monitored.
The front panel contains two status LEDs and two dry contacts for external status monitoring. The Alpha Micro 100
also comes with an optional communications module for remote monitoring.
Figure 3 — Front Panel