Samlex America BATTERY MONITOR BW-03 - Manual (Page 2)

SAMLEX AMERICA, INC. | 2
BATTERY MONITOR BW-03 | OWNER'S MANuAL
After the last programmable value has been set, the display switches OFF for
a moment once again and BW-03 functions normally again. This set value is
memorised if BW-03 is (temporarily) de-energised.
Table 1: Programmable Alarm Settings
sPecificatiOns
Parameter 12V 24V
Supply Voltage Range 6VDC to 31VDC
Nominal Battery Voltage 12V / 24V, Auto Sensing
Display 3 Digit, 7 Segment LED Display; Accuracy: 0.1V
Current Consumption
Display ON 20mA
Display OFF 8mA
Power Save Mode < 0.1mA
Programmable Voltage
Settings for Alarm
Under Voltage
12V (24V): 10.5V to 12.0V (21.0V to 24.0V)
Default: 10.8V (21.6V)
Over Voltage
12V (24V): 10.5V to 12.0V (29.2V to 23.8V)
Default: 14.8V (29.6V)
Alarm Output
Open Drain, 500 mA maximum
Switches to (-) of battery when alarm is activated
Input Connections Terminal Block: Tubular Hole with set screw
Connecting Wire Size /
Fuse Rating
AWG # 18 to 20 or 0.75mm2 / 32V. 0.5A
Dimensions
Height / Diameter: 60mm
Depth: 20 mm
Diameter of Mounting Hole: 55mm
Mounting Depth: 18mm
Weight 200g
Materials
Housing: Anodized Aluminum
Top Label: Polycarbonate
Certifications CE Marked; RoHS Compliant
undervoltage Overvoltage
12V 24V 12V 24V mV
1 10.5V 21.0V 14.6V 29.2V
*
- - -
2 10.6V 21.2V 14.7V 29.4V 400 mV
3 10.7V 21.4V 14.8V
*
29.6V
*
450 mV
4 10.8V
*
21.6V
*
14.9V 29.8V 500 mV
5 10.9V 21.8V 15.0V 23.0V 550 mV
6 11.0V 22.0V 15.1V 23.2V 600 mV
7 11.1V 22.2V 15.2V 23.4V 650 mV
8 11.2V 22.4V 15.3V 23.6V 700 mV
9 11.3V 22.6V 15.4V 23.8V 750 mV
10 11.4V 22.8V 800 mV
11 11.5V 23.0V
12 11.6V 23.2V
13 11.7V 23.4V
14 11.8V 23.6V
15 11.9V 23.8V
16 12.0V 24.0V
*
Default settings
1A to 1D
2
3
1B 1C 1D
Fig 1A: Layout - Top of unit
LEGEND
NOTE: If 2 battery banks are connected, connect to BAT2 first
and then to BAT1.
OUT - Drain Pin of Open Drain; Max. 500 mA
BAT1 - Connection for Positive of Battery 1
BAT2 - Connection for Positive of Battery 2
MIN - Connection for Common Negative
Fig 1B: Layout - Back of unit
LEGEND
1A 3 Digit, 7 Segment. LED Display (Steps of 0.1V)
1B LED dot showing that voltage of Battery 1 is being displayed
1C LED dot showing decimal point for voltage reading
1D LED dot showing that voltage of Battery 2 is being displayed
2 Select / Programming Button
3 Knurled Ring Nut
OuT
BAT1
BAT2
MIN BW-03