Elgas DATCOM, Operating Instructions Manual

Page: 129 / 228

7
Technical Description of the Device
127
Fig. 62 Main battery
7.5.3 Battery to Power the Modem
i
Discharged battery of the modem is indicated by the E27 error message in
the device diagnostics; low voltage of the modem battery is indicated by the
W30 warning message.
The status of the modem battery is automatically checked by the machine every 2 minutes.
Replacing the battery of the modem is therefore automatically registered within 2 minutes or after
resetting the device.
During modem operation, the consumed capacity is measured and calculated. The remaining
battery capacity is stored in the internal memory of the battery.
Each type of applied modem requires the appropriate battery type.
Type of the modem
Battery
designation Battery life *)
Battery
voltage
Battery
capacity
M2G internal 2G modem
HB-03 6 years 3.0 V 12 Ah
HB-03D 11 years 3.0 V 20 Ah
M4G internal LTE modem HB-04 6 years 6.0 V 12 Ah
*) The specified battery life applies to the following mode of operation:
 GSM/GPRS data transmission once a day (modem ON for 2 minutes per day on
average)
 GSM/GPRS service window once a week (10 minutes ON, average 1 minute of
communication each week)
 remote download once a year
 Ambient temperature -25°C to + 25°C
 Signal strength 80%
Battery life depends mainly on the mode of use, the signal strength at the point of deployment
and the ambient temperature: