Reference Manual Owner's manual
Table Of Contents
All parameters are specified at 24V, 2.5A, 230Vac input, 25ªC ambient and after a 5 minutes run-in time unless noted otherwise.
4 Rockwell Automation Publication 1606-RM033A-EN-P — March 2014
Bulletin 1606 Switched Mode Power Supplies
3. Input and Output Characteristics
Number of inputs - 2
Number of outputs - 1
Input voltage nom. DC 24-48V ±25%
The input circuitry must meet the SELV requirements
stipulated by IEC/EN/UL 60950-1.
Input voltage range - 18–60Vdc
Voltage drop, input to output typ. 0.78V at 2x5A, see Fig. 3-1
typ. 0.85V at 1x10A, see Fig. 3-2
typ. 0.85V at 2x10A, see Fig. 3-1
Input current nom. 2x 0–10A continuous
nom. 1x 0–20A continuous, see note 1
nom. 2x 10–16A for up to 5 seconds
Peak input current max. 150A for maximal 10ms per input
Output current nom. 20A continuous
nom. 20–32A for up to 5 seconds
max.
25A at continuous overload or short circuit, see note 2
Reverse current max. 2mA per input, -40°C to +60°C
Reverse voltage max. 200Vdc voltage applied to the output, continuously allowed
Note 1: Each input can be loaded up to 20A. At currents above 10A, the other input should not be loaded. It is preferable to parallel the two
inputs in order to minimize the power loss in such cases.
Note 2: Ensure that the continuous output current does not exceed 25A. Check the short-circuit current of the power sources and if the
power source can deliver more than 25A 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)
Voltage Drop, typ.
0mV
200mV
400mV
600mV
800mV
1000mV
5A 15A 20A10A
Output:
2x5A2x2.5A
Input:
2x10A2x7.5A
0
0
Input, Output Current
A
.
.
.
2
5
°
C
B
.
.
.
6
0
°
C
A
B
V
A
1606-XLS
24V,10A
+
-
1606-XLS
24V,10A
+
-
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,
0-20A
1606-XLSRED/1606-XLERED
Input 1
Input 2
Output
Fig. 3-2 Input to output voltage drop when only one input draws current
Voltage Drop, typ.
0mV
200mV
400mV
600mV
800mV
1000mV
5A 15A 20
A
10A0
Output Current
A
.
.
.
2
5
°
C
B
.
.
.
6
0
°
C
A
B
Voltage Drop
U
1
=
U
OUT
-
Not used or
power supply
with lower
voltage
V
A
1606-XLS
24V,20A
+
-
I
1
U
1
Output
A
V
I
OUT
U
OUT
Variable
Load,
0-20A
Input 1
Input 2
Output
1606-XLSRED/1606-XLERED