Technical details about the integrated rechargeable buffer battery

The integrated rechargeable buffer battery enables sending a notification in case of a power failure. However, in order for an alarm to be generated, it has to be activated in the configuration section "basic settings" (see Basic settings) of the "Alarm" parameter.

As soon as the supply voltage falls below 8,65 V , the failure report is triggered - provided there is no delay for triggering the failure report set via the "Alarm/shutdown delay" parameter in the configuration section "basic settings" (see Basic settings), or triggering the failure report has not been deactivated via the "Alarm" parameter. In any case, falling below the threshold and switching the power supply to the rechargeable buffer battery and is noted in the device log via te log entry "MODULE INFO (402), 5" and the coulour of the status LED switches to magenta. If a delay has been configured, the myDataconC3+ works as per ususal until the end of the delay, apart from the modules that fail when supplied via the rechargeable buffer battery. If the supply voltage increases again above 8,65 V during the delay, the supply is switched from the rechargeable buffer battery back to the supply voltage. This is entered in the device log via the log entry "MODULE INFO (402), 1" and the coulour of the status LED swiches back to green. If the supply voltage is below 8,65 V after the delay has expired, the failure report is triggered - provided the failure report has been activated via the "Alarms" parameter.

As soon as the myDataconC3+ is exclsively supplied by the rechargeable buffer battery, the following assembly groups fail:

  • Extension modules
  • Control of the relays on data logger (i.e. the make contacts switch to idle state "NO")

While the device remains connected to the server to send the failure report, the status LED is switched on in colour magenta. After that, the rechargeable buffer battery is deactivated and the status LED goes out. All operations are terminated and the device is completely deactivated. Only when the supply increases above 7,06 V again, the myDataconC3+ resumes normal operation.

A hardware-regulated controller ensures that the rechargeable buffer battery is only charged when the ambient temperature is in the permitted range (0 ...+45 °C ) .

 

V IN Supply voltage: 9...32 VDC (+/-10 %)
Von/off Threshold for switching between normal operation and the rechargeable buffer battery supply: 8,65 V
VPowerOn Threshold for reactivating the device after it was switched off completely:7,06 V
tdelay Delay for sending a failure report. It is configured via the "Alarm/shutdown delay" parameter which is in the configuration section "basic settings" (see Basic settings).
Backup Voltage of the rechargeable buffer battery

Supply of he myDataconC3+

1
  • The power supply is switched to the rechargeable buffer battery.
  • The log entry "MODULE INFO (402), 5" is created.
  • The device continues to operate normally (except for the components that fail when supplied by the rechargeable buffer battery).
2
  • The delay for sending the failure report has expired.
  • The failure report is sent (provided this function has been activated via the "Alarms" parameter). After that, the rechargeable buffer battery is deactivated. Then the myDataconC3+ is switched off.
3
  • The supply voltage exceeds the threshold for reactivating the device.
  • The log entry "POWER ON" is created.
  • The myDataconC3+ resumes normal operation again.
4
  • The power supply is switched to the rechargeable buffer battery.
  • The log entry "MODULE INFO (402), 5" is created.
  • The device continues to operate normally (except for the components that fail when supplied by the rechargeable buffer battery).
5
  • The supply voltage exceeds the threshold for switching to normal operation again.
  • The delay for sending a failure report has not yet expired.
  • The log entry "MODULE INFO (402), 1" is created.
  • NO failure report is set off.