Digital Security Controls Ltd. 163G4005 User Manual
16
Universal Cellular Communicator
Power Monitor
The device will be powered in two ways:
1. By the Control panel with a backup battery. In this case the device will be powered in the range from 10.7 V to 27.6 V.
2. By an external power supply to provide the 12V. In this case the communicator will recharge the optional battery.
2. By an external power supply to provide the 12V. In this case the communicator will recharge the optional battery.
The only purpose of the battery is to provide the power in the event the primary power source is lost. The autonomy in stand-by is 8
hours. In both cases if the main power is lost, the battery assures that the communicator will still powered and working. The main
power voltage and the battery voltage shall be supervised so that the module is able to generate the follow signalling:
hours. In both cases if the main power is lost, the battery assures that the communicator will still powered and working. The main
power voltage and the battery voltage shall be supervised so that the module is able to generate the follow signalling:
Power Supply Fault/Restore signalling.
Generate power Fault/Restore message (voice messages and/or text messages and/or digital messages).
Device goes in Energy Save mode.
Since the device can work with or without external battery backup (no input current limitation set), It's possible to distinguish the
following two different scenarios to establish the power trouble condition.
following two different scenarios to establish the power trouble condition.
Main power check
The main power voltage shall be supervised to control any possible trouble. The power check will be processed every 100msec.
The following conditions are referred to the device not provided with external battery backup:
The following conditions are referred to the device not provided with external battery backup:
Power Fault Event: when the power drop below the threshold 10.7V.
Power Fault Restore: when the power ripe above the threshold 12V.
Entry Energy Save Mode: when the power drop below the threshold 9.6V.
Exit Energy Save Mode: when the power rise above the threshold 10.7V.
If the communicator is in Energy Save mode, the current max. draw does not exceed 175mA. Maximum current drawn in
Energy Save mode, without battery connected and no action under way is about 70mA and during a voice call is less than
150 mA.
Energy Save mode, without battery connected and no action under way is about 70mA and during a voice call is less than
150 mA.
Battery Voltage check
The battery voltage shall be supervised to control any possible trouble and the battery presence. The battery check will be pro-
cessed every 100 msec.
The following conditions are referred to the device provided with external battery backup:
cessed every 100 msec.
The following conditions are referred to the device provided with external battery backup:
Battery Trouble Event: when the battery voltage drop below the threshold 3.4 V.
Battery Trouble Restore: when the battery voltage rise above the threshold 3.7 V.
Start Energy Save Mode: when the battery voltage drop below the threshold 3.2 V.
Stop Energy Save Mode: when the battery voltage rise above the threshold 3.4 V.
Battery Disconnect Event: when the battery voltage drop below the threshold 2.0 V.
Battery Disconnect Restore: when the battery voltage rise above the threshold 2.0 V.
Battery Overcharge Event: when the battery voltage rise above the threshold 4.4 V.
Battery Overcharge Restore: when the battery voltage drop below the threshold 4.3 V.
If the Communicator is powered ONLY by backup battery, the upload / download of programming, audio files and the events
of the log are not possible, so for these actions it is necessary to reconnect the main power.
of the log are not possible, so for these actions it is necessary to reconnect the main power.