©MESSRING GmbH
Robert-Stirling-Ring 1 I 82152 Krailling, Germany I www.messring.de
All rights reserved.
19.09.2018
Figure 4: Charging only mode
Figure 5: Loop-through mode
Figure 6: Stand-alone mode
| No power consumers are
connected to the power output.
| The battery can be charged
within 9 V to 36 V, 50W.
| The battery can be charged within
18 V to 36 V while power
consuming devices are connected
to the output socket.
| In order to keep the battery in
permanent operation the output
current must not exceed 2 A.
< 2 A: Charging LED flashes green
> 2 A: Charging LED is steady
green
| Default operation in an impact
scenario without external power
supply. The M=BUS Pro System
is powered autonomously by the
UPS.
If the Power LED is off, the power output is disabled. If the power output is enabled, the LED can show three states for
the power level:
The capacity level is between 75 % and 100 %.
The capacity level is between 25 % and 75 %.
The capacity level is below 25 %. The battery has to be recharged.
After power-on the status LED shows service or error conditions as follows:
Steady red for 2 s, the UPS switches
off subsequently
Internal error (cell temperature, cell voltage, controller not within the
specifications). Please contact MESSRING.
The UPS operates under normal conditions.
Steady green for 2 s, flashing red
subsequently at 2 Hz
The UPS is operational. The service interval has been exceeded for not more
than two month. The battery needs maintenance. Please contact MESSRING
for service.
Steady green for 2 s, flashing red
The UPS is operational. The service interval has been exceeded for more than
