Power losses – Rockwell Automation 1606-XLSPRED Power Supply Reference Manual User Manual
Page 5
All parameters are specified at 24V, 2.5A, 230Vac input, 25ªC ambient and after a 5 minutes run-in time unless noted otherwise.
Rockwell Automation Publication 1606-RM035A-EN-P — April 2014
5
Bulletin 1606 Switched Mode Power Supplies
Fig. 3-2 Input to output voltage drop when both inputs draw current
(typical 1+1 redundant case, when the output voltages of the two units are equal or set into “parallel use” mode)
Voltage Drop, typ.
0A
2A
4A
8A
200mV
400mV
600mV
800mV
1000mV
10A
6A
Input, Output Current
0mV
Output:
2x2A
2x1A
Input:
2x4A
2x3A
0A
2x5A
A... 25°C
B... 60°C
A
B
V
A
24V,5A
+
-
24V,5A
+
-
V
A
I
1
I
2
U
1
U
2
I
1
I
2
=
U
2
U
1
=
Voltage Drop
U
1
=
U
OUT
-
Output
A
V
I
OUT
U
OUT
Variable
Load,
0-10A
1606-XLPRED
Input 1
Input 2
Output
Fig. 3-3 Input to output voltage drop when only one input draws current
Voltage Drop
U
1
=
U
OUT
-
Not used or
power supply
with lower
voltage
V
A
24V,10A
+
-
I
1
U
1
Output
A
V
I
OUT
U
OUT
Variable
Load,
0-10A
Input 1
Input 2
Output
1606-XLPRED
Voltage Drop, typ.
0A
2A
4A
8A
200mV
400mV
600mV
800mV
1000mV
10A
6A
Output Current
0mV
A... 25°C
B... 60°C
A
B
4. Power Losses
DC 24V
Power losses
typ.
4.0W input:
2x2.5A
typ.
4.5W
input: 1x5A
typ.
9.0W
input: 2x5A
Standby power losses
typ.
0W
at no output current
Fig. 4-1 Power losses
Power Losses, typ.
0A
2A
4A
8A
2W
4W
6W
8W
10W
10A
6A
Input, Output Current
0
Output:
2x2A
2x1A
Input:
2x4A
2x3A
0A
2x5A
A... 25°C
B... 60°C
A
B
1606-XLS
240E
1606-
XLS120E
1606-
XLS120E