Environmental Manager
130
(S3) Alarm Enabled
Initially No appears on the screen. Press
the SPACE BAR to toggle to Yes.
Select
Yes
to enable the alarm. Select
No
disable it.
. . Normal Range (nn.n-nn.n V )
Enter the upper and lower limits of
voltages. If the voltage does not fall within
this range, an alarm is issued.
10.8 Analog Sensors
Analog sensors are used to monitor temperature, 0-5 volts, and 48-volt PBX battery backup.
These sensors are connected to the Environmental Manager Interface on the rear panel of the
ASG Guard Plus. (See previous Section for the ASG Guard.)
10.8.1 48-Volt Battery
To monitor the 48-volt PBX battery backup voltage, connect the leads from the PBX battery to the
terminals on the Environmental Manager connector located on the rear panel of the ASG
Guard/ASG Guard Plus. The ASG Guard/ASG Guard Plus can then monitor the input voltage
and initiate an action when the voltage level falls outside the high and low thresholds defined by
the user. The voltage range that this input sensor can monitor is from 1 to 100 Volts DC. The
ASG Guard is 20-60VDC.
10.8.2 Temperature
The temperature sensor input to the ASG Guard Plus is via an external sensor. The sensor is
housed in a standard RJ45 connector to facilitate remote measurement. The sensor may be
located up to 200 feet from the ASG Guard Plus. This sensor can be used to monitor room
temperature or the ambient temperature of an enclosure.
The far end of the temperature sensor should be secured with tape or Velcro(at the location
where the temperature is to be measured.
The ASG Guard Plus can then be programmed to initiate an action should the temperature fall
outside the range of a high or low threshold defined by the user.
10.8.3 Voltage Inputs
The voltage-based sensors are used to monitor various conditions and issue an alarm if the
voltage-based signal exceeds the preset limits. Any sensor that reports its signal in the range of
0-5VDC can be attached to the Environmental Manager.
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