Input and output characteristics – Rockwell Automation 1606-XLSRED80 Power Supply Reference Manual User Manual
Page 4
All parameters are specified at 24V, 80A output current, 25ªC ambient and after a 5 minutes run-in time, unless noted otherwise.
4
Rockwell Automation Publication 1606-RM011A-EN-P — February 2014
Bulletin 1606 Switched Mode Power Supplies
3. Input and Output Characteristics
Number of inputs
-
2
Number of outputs
-
1
Input voltage
nom.
DC 12-28V ±30% The input circuitry must meet the SELV requirements
stipulated by IEC/EN/UL 60950-1.
Input voltage range
-
8.4-36.4Vdc
Voltage drop, input to output
typ.
95mV
at 2x40A, see Fig. 3-1
typ.
49mV
at 2x20A, see Fig. 3-1
typ.
81mV
at 1x40A, see Fig. 3-2
Input current
nom.
2x 0-40A
continuous
nom.
2x
40-65A
for
5
seconds
max
2x 65A
at continuous overload or short circuit
Peak input current
max.
1500A
for max. 1ms per input
Output current
nom.
80A
continuous
nom.
80-130A
for 5 seconds
max.
130A
at continuous overload or short circuit
Reverse current
max.
1mA
at 24V, per input, -40°C to +70°C
Reverse voltage
max.
40Vdc
voltage applied to the output, continuously allowed
Output capacitance
typ.
320μF
Note:
Ensure that the continuous output current does not exceed 130A. Check the short-circuit current of the power sources and if the
power source can deliver more than 130A together, use an appropriate fuse on the output.
Fig. 3-1 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)
V
A
24V,40A
+
-
"Parallel
Use"
24V,40A
+
-
"Parallel
Use"
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,
0-80A
XLSRED80
Input 1
Input 2
Output
Voltage Drop, typ
0mV
20A
60A
20mV
40mV
60mV
80mV
100mV
120mV
80A
40A
Output:
A... 25°C
B... 60°C
2x20A
2x10A
Input / Output Current
Input:
2x40A
2x30A
0
0
A
B
Fig. 3-2 Input to output voltage drop when only one input draws current
Voltage Drop, typ.
0mV
10A
30A
20mV
40mV
60mV
80mV
100mV
120mV
40A
20A
A... 25°C
B... 60°C
Output Current
0
A
B
Voltage Drop
U
1
=
U
OUT
-
Not used or
power supply
with lower
voltage
V
A
24V,40A
+
-
I
1
U
1
Output
A
V
I
OUT
U
OUT
Variable
Load,
0-40A
XLSRED80
Input 1
Input 2
Output