SamplexPower SEC-1250UL Guide D'utilisation page 10

SECTION 4 |
Stage 1
"Bulk Stage"
14.4V
15
14
13.5V
13
12
11
10
A1
9
50A
55
8
50
7
A2
45
6
40
35
5
30
4
25
20 3
15
(i) 4-Hr/ 8-Hr Timer runs out (Section 7.5) OR,
2
10 (ii) Current reduces to 10% of Bulk Stage
1
Current i.e. 5A+/-0.5A
5
0 0
AMPS VOLTS
NOTE: Please see "NOTES" for Fig 4.2
Stage 1
"Bulk Stage"
28.8V
30
28
27V
26
24
22
20
A1
18
25A
27.5
16
25.0
14
A2
22.5
12
20.0
17.5
10
15.0
8
12.5
10.0 6
7.5
(i) 4-Hr/ 8-Hr Timer runs out (Section 7.5) OR,
4
(ii) Current reduces to 10% of Bulk Stage
5.0
2
Current i.e. 3A+/-0.5A
2.5
0
0
AMPS VOLTS
NOTE: Please see "NOTES" for Fig 4.2
10 | SAMLEX AMERICA INC.
Principles of Operation
Stage 2 "Absorption Stage"
Level
1
Start of Absorption Stage (See Section 4.3.2) and
Absorption Stage Timer (See Section 7.5)
B1 C1
B2 C2
80% of
40A
current
capacity
of charger
(40 Amps)
Time, Hours
Figure 4.1 Charging Curve - SEC-1250UL
Stage 2 "Absorption Stage"
Level
1
Start of Absorption Stage (See Section 4.3.2) and
Absorption Stage Timer (See Section 7.5)
B1 C1
B2 C2
20A
80% of
current
capacity
of charger
(20A)
Time, Hours
Fig. 4.2 Charging Curve for SEC-2425UL
Level
2
Voltage
D1
curve
E1
D2
Voltage Curve shows voltage
at the Output Connectors
(Battery Connected)
Current Curve shows output
current
Current curve
E2
Level
2
Voltage
D1
curve
D2
Voltage Curve shows voltage
at the Output Connectors
(Battery Connected)
Current Curve shows output
current
Current curve
Stage 3
"Float Stage"
Stage 3
"Float Stage"
E1
E2