Input and output characteristics – Rockwell Automation 1606-XLSRED40 Power Supply Reference Manual User Manual
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All parameters are specified at 24V, 40A output current, 26°C ambient and after a 5 minutes run-in time, unless noted otherwise.
4
Rockwell Automation Publication 1606-RM010A-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.
140mV
at 2x20A, see Fig. 3-1
typ.
72mV
at 2x10A, see Fig. 3-1
typ.
112mV
at
1x20A,
see
Fig.
3-2
Input current
nom.
2x 0-20A
continuous
nom.
2x
20-32.5A
for
5
seconds
max
2x 32.5A
at continuous overload or short circuit
Peak input current
max.
1000A
for max. 1ms per input
Output current
nom.
40A
continuous
nom.
40-65A
for
5
seconds
max.
65A 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 65A. Check the short-circuit current of the power sources and if the
power source can deliver more than 65A 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)
Voltage Drop, typ
0mV
10A
30A
20mV
40mV
60mV
80mV
100mV
120mV
40A
20A
Output:
A... 25°C
B... 60°C
2x10A
2x5A
Input / Output Current
Input:
2x20A
2x15A
0
0
140mV
160mV
A
B
V
A
24V,20A
+
-
24V,20A
+
-
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,
0-40A
Input 1
Input 2
Output
Fig. 3-2 Input to output voltage drop when only one input draws current
Voltage Drop, typ.
0mV
5A
15A
20mV
40mV
60mV
80mV
100mV
120mV
20A
10A
A... 25°C
B... 60°C
Output Current
0
140mV
160mV
A
B
Voltage Drop
U
1
=
U
OUT
-
Not used or
power supply
with lower
voltage
V
A
24V,20A
+
-
I
1
U
1
Output
A
V
I
OUT
U
OUT
Variable
Load,
0-20A
Input 1
Input 2
Output
XLSRED40
XLSRED40