Software House iSTAR Edge, Installation & Quick Start Manual, Page: 15 / 26

Power - Batteries - Backup
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Other interactions with the power system include:
AC / Main Fail input:

Indicates whether the external power source has reported loss of its main power.

Shares connector and Ground pin with Low Battery.

Normally closed dry relay contacts are required. This signal is normally wired to the
energized NO output on the apS.

Configurable on host as an unsupervised input, as with iSTAR eX, iSTAR Pro.
Low Battery input

Indicates whether external power source, has reported its battery is low.

Wired in from external power source.

Shares connector and Ground pin with AC / Main Fail.

Normally closed dry relay contacts are required.

Configured on host as unsupervised input, as with iSTAR eX, iSTAR Pro.
Onboard Battery Low input

Internal measurement (no connections necessary) of onboard AA alkaline batteries.

Active if their voltage is below 4.6 volts or they are not present or one or more of them is
not making full connection.

This informs user that they should replace the onboard backup batteries for this controller
as soon as possible.

No need to power down the controller to remove/replace the batteries

Onboard batteries are alkaline and non-rechargeable, so this is a reasonably accurate
measure of when the batteries need to be changed.

Configured on host as an unsupervised input. This is a new input not present in iSTAR eX
or iSTAR Pro.
NOTE
Do not connect to a receptacle controlled by a switch.
NOTE
For UL Listed products, a UL 603 Listed, power-limited power supply
must be used.
NOTE
The Tamper, Low Battery, and AC power fail inputs must be enabled
and connected to report for compliance with UL requirements.
NOTE
Shielded cable must be used for AC Fail & Low Battery Input
connections