Mastervolt IVO SMART 12/50-2

18 IVO Smart Appendix A
DATA SHEETS
Set points register Setpoint
1 Min. bulk time 4 min.
2 Temperature variation 5.0 mV/C
3 Return to bulk time 30 sec.
4 Return to bulk voltage 13.00 V
5 Max. bulk/abs time 360 min.
6 Min. abs time 45 min.
7 Return Amps 2.5 Amps
8 Max. charge current 50 Amps
9 Bulk voltage 14.55 V
10 Abs voltage 14.35 V
11 Float voltage 13.30 V
12 Forced to float voltage 13.25 V
13 Gel voltage setting 55 mV
14 Diode compensation setting 60 mV
15 DC high alarm on 15.00 V
16 DC high alarm low 14.50 V
17 DC low alarm on 10.00 V
18 DC l ow alarm off 11.00 V
19 Alarm delay time 30 sec.
20 Reset data WWYY
21 Battery identification no 00
• Temperature variation 
5.0 mV/°C per cell
• Reference voltage 25°C
• Battery charging is not allowed 
above +50°C and under -20°C
• 24 Volt 60 mV/°C 

5.0 mV/°C
Uref 25°C
forced float
gel/wet battery
diode compensation
standard IUoUo characteristic
IUoUo char. increased with 0.6V
IUoUo char. high float level
IUoUo char. high float, increased with 0.
6
IU char. low float level
IU char. low float, increased with 0.6V
IU char. high float level
IU char. high float, increased with 0.6 V
TEMPERATURE COMPENSATED CHARGING
charging voltage in V
15.0
14.5
14.0
13.5
13.0
12.5
12.0
-30 -20 -10 0 10 20 30 40 50 60
battery temperature in °C
float
absorption
25°C reference
temperature
MAX. BULK/ABS TIME
BULK TIME
TOTAL CHARGE TIME CYCLE
ABS TIME FLOAT TIME
NEW CYCLE
min. bulk time
min. abs time
return to bulk time
MAX. OUTPUT VERSUS INPUT VOLTAGE
current in Amps
input voltage



50

 80 100 120 140 160 180 200 220 240 260
25°C reference
temperature
25°C reference
temperature
0 44 50
output current in Amps
Tamb= 25°C
charging voltage in V
CHARGING CHARACTERISTICS