Using a BMK: Operation/Monitoring
©
2017 Sensata Technologies
Page 111
The range is 0% to 100%, where 100% is a fully charged battery and at 0% the battery is
completely discharged. When the BMK sense module is
fi
rst connected, the display will show
“
Think’n
”, to indicate that the SOC reference point is being calculated. After the batteries are fully
charged, the display will change from “
Think’n
” to “
100%
” and begin to provide accurate SOC
percentage values.
Note:
If the sense module is disconnected from power, this display resets to “Think’n” and the
batteries require another full charge before this display begins providing SOC percentage information.
METER: 05B DC Volts-BMK
This meter displays DC volts at the BMK input. The range is from 07.00 to 70.00 volts (± 0.02).
METER: 05C DC Amps-BMK
This meter displays the real-time charge current (amps into battery) or discharge current (amps
out of battery) as measured through the BMK shunt. Charging is shown as a positive (+) number
and discharging is shown as a negative (–) number. The range is from ±0.1 to 999 amps (±1.0%).
METER: 05D Amp Hours In/Out
This meter displays the AHrs returned to or removed from the battery. When this value is positive,
it represents AHrs returned to the battery during any subsequent charging. A negative value
represents AHrs removed from a full battery. The range is ±32,768 AHrs. When using the charge
ef
fi
ciency’s
Auto
setting, the AH I/O value is recalculated after the battery has been fully charged
(100% SOC) and
≥
0.5% of the battery capacity has been discharged. If the sense module is
disconnected from power, the displayed AH I/O value resets to zero.
Info:
The
Amp Hours In/Out
display correlates with the
SETUP:
05B AmpHrs Size
setting to determine the
05A BMK SOC
display.
Example:
running a 10-amp load for
three hours, the display shows “
-30 AH
”. When you begin charging, the display will
count from – 30 AHrs back toward 0 AHrs.
METER: 05E Resettable AHrs
This meter displays the total AHrs removed from the battery since the sense module was
fi
rst
connected or since last reset. This display can be used as a battery load indicator to help identify
and monitor the battery load consumption. The range is 0 to 65,535.0 AHrs (0.1 amp-hour
resolution).
To reset the AHrs value to 0.0, either disconnect the sense module from power, or press and hold
the rotary SELECT knob for ~2 seconds when this display is shown. After this display has been
reset, it will begin calculating and displaying new rAH out values.
METER: 05F Total kAHrs Out
This meter displays the total AHrs removed from the battery since the sense module was
fi
rst
connected or since it was last reset. This display can be used as a battery service life indicator.
The value is displayed in 0.1k [or 100 AHrs (“k” equals 1000)] resolution up to a maximum of
6,553.5k AHrs (6,553,500 AHrs).
To reset the kAHrs value to 0.0, either disconnect the sense module from power, or press and
hold the rotary SELECT knob for ~2 seconds when this display is shown. After this display has
been reset, it will begin calculating and displaying new kAHrs out values.
METER: 05G Minimum VDC
This menu displays the lowest battery voltage since the last reset. The voltage shown on the display
is averaged each second, and is helpful when troubleshooting or detecting an over-discharge
condition. To reset this display, press and hold the rotary SELECT knob for ~2 seconds while the
Minimum VDC
display is shown. If the battery monitor is not connected or not communicating,
the display will show “
0.0
”.
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