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EN-10
2.2.3 Battery Power
The indicator can be operated on the internal rechargeable battery when AC power is not available. The indicator will
automatically switch to battery operation if there is a power failure or the power cord is removed.
Attention:
Before using the indicator for the first time, the internal rechargeable battery should be fully charged for up to
12 hours. The indicator can be operated during the charging process. The battery is protected against over
charging and the indicator can remain connected to the AC power line.
Connect AC power to the indicator and allow it to charge. While the battery is charging, the triangle above the battery function
symbol will light. When the battery is fully charged, this triangle will disappear.
The indicator can operate for up to 80 hours on a fully charged battery.
During battery operation, a flashing triangle above the battery function symbol indicates the battery is low and requires
recharging. Approximately 30 minutes of operation will remain when the battery symbol starts to blink. The indicator will
display Lo.BAT and automatically turn off when the battery is fully discharged.
2.2.4 RS232 interface Cable to Indicator (Optional)
Connect the optional RS232 cable to the RS232 connector Figure 1-1, item 5.
Note: For installation instructions, please refer to optional RS232 user manual.
Pin
1
2
3
4
5
6
7
8
9
CAUTION
BATTERY IS TO BE REPLACED ONLY BY AN AUTHORIZED OHAUS
SERVICE DEALER.
RISK OF EXPLOSION CAN OCCUR IF REPLACED WITH THE
WRONG TYPE OR CONNECTED IMPROPERLY.
Dispose of the lead acid battery according to local laws and regulations.
Connection
N/C
TXD
RXD
N/C
GND
N/C
N/C
N/C
N/C
2
4
1
5
3
9
8
7
6
Figure 2-1. RS232 Pins.
3000 Series Indicators
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