Rockwell Automation Allen-Bradley 1606-XLB90EQ Bedienungsanleitung

Power Supply - 24V, 3.8 A, 90 W,

Single-phase Input

Catalog Number 1606-XLB90EQ

Reference Manual Original Instructions

2Rockwell Automation Publication 1606-RM123A-EN-P - September 2021

Power Supply - 24V, 3.8 A, 90 W, Single-phase Input Reference Manual

Important User Information

Read this document and the documents listed in the additional resources section about installation, configuration, and

operation of this equipment before you install, configure, operate, or maintain this product. Users are required to familiarize

themselves with installation and wiring instructions in addition to requirements of all applicable codes, laws, and standards.

Activities including installation, adjustments, putting into service, use, assembly, disassembly, and maintenance are required to

be carried out by suitably trained personnel in accordance with applicable code of practice.

If this equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be

impaired.

In no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages resulting from the use

or application of this equipment.

The examples and diagrams in this manual are included solely for illustrative purposes. Because of the many variables and

requirements associated with any particular installation, Rockwell Automation, Inc. cannot assume responsibility or liability for

actual use based on the examples and diagrams.

No patent liability is assumed by Rockwell Automation, Inc. with respect to use of information, circuits, equipment, or software

described in this manual.

Reproduction of the contents of this manual, in whole or in part, without written permission of Rockwell Automation, Inc., is

prohibited.

Throughout this manual, when necessary, we use notes to make you aware of safety considerations.

Labels may also be on or inside the equipment to provide specific precautions.

WARNING: Identifies information about practices or circumstances that can cause an explosion in a hazardous environment,

which may lead to personal injury or death, property damage, or economic loss.

ATTENTION: Identifies information about practices or circumstances that can lead to personal injury or death, property

damage, or economic loss. Attentions help you identify a hazard, avoid a hazard, and recognize the consequence.

IMPORTANT Identifies information that is critical for successful application and understanding of the product.

SHOCK HAZARD: Labels may be on or inside the equipment, for example, a drive or motor, to alert people that dangerous

voltage may be present.

BURN HAZARD: Labels may be on or inside the equipment, for example, a drive or motor, to alert people that surfaces may

reach dangerous temperatures.

ARC FLASH HAZARD: Labels may be on or inside the equipment, for example, a motor control center, to alert people to

potential Arc Flash. Arc Flash will cause severe injury or death. Wear proper Personal Protective Equipment (PPE). Follow ALL

Regulatory requirements for safe work practices and for Personal Protective Equipment (PPE).

Rockwell Automation Publication 1606-RM123A-EN-P - September 2021 3

Table of Contents

Terminology and Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Catalog Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

AC Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Input Inrush Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Output. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Hold-up Time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Efficiency and Power Losses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Functional Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Front Side and User Elements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Connection Terminals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Lifetime Expectancy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Mean Time Between Failure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Electromagnetic Compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Safety and Protection Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Dielectric Strength . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Certifications and Standards Compliance . . . . . . . . . . . . . . . . . . . . . . . . . 17

Approximate Dimensions and Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Operation on Two Phases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Use In a Tightly Sealed Enclosure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Prohibited Applications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Additional Resources. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

4Rockwell Automation Publication 1606-RM123A-EN-P - September 2021

Table of Contents

Notes:

Rockwell Automation Publication 1606-RM123A-EN-P - September 2021 5

DC Power Supply - 24V, 3.8 A, 90 W, Single-phase Input Reference Manual

Terminology and

Abbreviations

All values in this document are typical values under the following conditions

unless otherwise noted: 230V AC 50 Hz input voltage, 24V 3.8 A output load, 

25 °C (77 °F) ambient temperature, and after a 5 minutes run-in time.

Product Overview The 1606-XLB90EQ is part of a series of compact industrial grade DIN rail

power supplies that focus on the essential features needed in present day

industrial applications. The excellent cost/performance ratio does not

compromise quality or reliability.

The output fulfils the requirements for a limited power source according to

NEC CLASS 2.

The mechanically robust housing is made of a high-grade, reinforced molded

material, which permits the units to be used in surrounding temperatures up

to 70 °C (158 °F).

The 1606-XLB90EQ is equipped with large screw terminals for easy wiring.

Product features:

•100…240Vwide-rangeinput

• NEC Class 2 compliant

• Cost-optimized without compromising quality or reliability

• Width only 36 mm (1.42 in.)

• Efficiency up to 93.8%

• Low no-load power losses

• Full power between -10…+60 °C (14…140 °F)

• Large screw terminals

Terms Descriptions

PE The abbreviation for Protective Earth. PE has the same meaning as the symbol.

The symbol for Protective Earth.

Earth, Ground This document uses the term “earth” which is the same as the U.S. term “ground”.

AC 230V A value that is displayed with the AC or DC before the value represents a nominal

voltage with standard tolerances (usually ±15%) included. For example, DC 12V

describes a 12V battery disregarding whether it is full (13.7V) or flat (10V).

230V AC A value with the unit (V AC) at the end is a momentary value without any additional

tolerances included.

50 Hz versus 60 Hz As long as not otherwise stated, AC 100V and AC 230V parameters are valid at 50 Hz

mains frequency. AC 120V parameters are valid for 60 Hz mains frequency.

nom Indicates a nominal value.

typ Indicates a typical value.

— (alone in table cell) A dash alone in a table cell indicates that there is no information to be included in that

cell.

6Rockwell Automation Publication 1606-RM123A-EN-P - September 2021

DC Power Supply - 24V, 3.8 A, 90 W, Single-phase Input Reference Manual

Specifications

Catalog Number

Attributes Values Notes

Output voltage nom DC 24V —

Adjustment range 24…28V Factory setting 24.1V

Output current

3.8…3.2 A Below 60 °C (140 °F) ambient

2.8…2.4 A At 70 °C (158 °F) ambient

Derate linearly between 60…70 °C (140…158 °F)

Input voltage AC AC 100…240V ±10%

Mains frequency 50…60 Hz ±6%

Input current AC 1.45 A / 0.95 A At 120 / 230V AC

Power factor 0.58 / 0.45 At 120 / 230V AC

Input inrush current 18 A peak / 40 A peak At 120 / 230V AC,

40 °C (104 °F), cold start

Efficiency

92.1%

93.8%

At 120 / 230V AC

Losses 7.9 W / 6.0 W At 120 / 230V AC

Hold-up time 25 ms / 119 ms At 120 / 230V AC

Temperature range -10…+70 °C

(14…158 °F) —

Size (W x H x D) 36 x 90 x 91 mm

(1.42 x 3.54 x 3.58 in.) Without DIN rail

Weight 270 g (0.6 lb) —

Catalog Number Description

1606-XLB90EQ Power supply

Rockwell Automation Publication 1606-RM123A-EN-P - September 2021 7

DC Power Supply - 24V, 3.8 A, 90 W, Single-phase Input Reference Manual

AC Input The device is suitable to be supplied from TN-, TT-, and IT mains networks

with AC voltage.

Attributes Values Notes

AC input Nom AC 100…240V —

AC input range Min 90…264V AC Continuous operation

Min 264…300V AC For 500 ms max

Allowed voltage L or N to earth Max 300V AC Continuous according to IEC 62477-1

Input frequency Nom 50…60 Hz ±6%

Turn-on voltage Typ 80V AC Steady-state value, see Figure 1

Shut-down voltage Typ 62V AC Steady-state value, see Figure 1

External input protection

The device is designed, tested, and approved for branch circuits up to 20 A (UL) without an

additional protection device. If an external fuse is used, do not use circuit breakers

smaller than 6A B- or 4A C-Characteristic. Smaller circuit breakers may cause a nuisance

tripping of the circuit breaker.

Attributes Values Notes

AC 100V AC 120V AC 230V

Input current Typ 1.69 A 1.45 A 0.95 A At 24V, 3.8 A, see Figure 3

Power factor Typ 0.6 0.58 0.45 At 24V, 3.8 A, see Figure 4

Start-up delay Typ 50 ms 50 ms 50 ms See Figure 2

Rise time

Typ 21 ms 21 ms 20 ms At 24V, 3.8 A constant current load, 0 mF load capacitance,

see Figure 2

Typ 42 ms 42 ms 40 ms At 24V, 3.8 A constant current load, 2 mF load capacitance,

see Figure 2

Turn-on overshoot Max 100 mV 100 mV 100 mV See Figure 2

Figure 1 - Input Voltage Range Figure 2 - Turn-on Behavior, Definitions

Turn-on

90V

Rated

input range 500 ms max

VIN

POUT

300V AC

264V

Shut-down

Start-up

delay Rise

Time

Overshoot

- 5%

Output

Voltage

Input

Voltage

Figure 3 - Input Current Versus Output Load at 24V Output Voltage Figure 4 - Power Factor Versus Output Load at 24V Output Voltage

4 A

012

0.3

0.6

1.8 A

Input Current, Typ

0.9

1.2

a: 100V AC

b: 120V AC

c: 230V AC

1.5

Output Current

4.0 A

0.4 1.0 2.0 3.0

0.1

0.2

Output Current

0.3

0.4

0.5

0.6

Power Factor, Typ

a) 100V AC, 50 Hz

b) 120V AC, 60 Hz

c) 230V AC, 50 Hz

8Rockwell Automation Publication 1606-RM123A-EN-P - September 2021

DC Power Supply - 24V, 3.8 A, 90 W, Single-phase Input Reference Manual

Input Inrush Current A negative temperature coefficient (NTC) limits the input inrush current after

turn-on of the input voltage. The inrush current is dependent on input voltage

and ambient temperature. The output load has no impact on the inrush

current value.

The charging current into EMI suppression capacitors is disregarded in the

first microseconds after switch-on.

Attributes Values Notes

AC 100V AC 120V AC 230V

Inrush current

Typ 14 Apeak 18 Apeak 40 Apeak At 40 °C (104 °F) ambient, cold start

Typ 12 Apeak 16 Apeak 35 Apeak At 25 °C (77 °F) ambient, cold start

Max 17 Apeak 22 Apeak 48 Apeak At 40 °C (104 °F) ambient, cold start

Max 15 Apeak 20 Apeak 43 Apeak At 25 °C (77 °F) ambient, cold start

Inrush energy Max 0.3 A2s0.4A

2s1.7A

2sAt 40 °C (104 °F) ambient, cold start

Figure 5 - Typical Turn-on Behavior at 230V AC and 25 °C (77 °F) Ambient Figure 6 - First Inrush Peak at 230V AC and 25 °C (77 °F) Ambient

20 ms/DIV

Input current 20 A/DIV

Input voltage 1000V/DIV

Output voltage

1 ms/DIV

Input current

5 A/DIV

Ipk = 35 A

Figure 7 - Typical Turn-on Behavior at 120V AC and 25 °C (77 °F) Ambient Figure 8 - First Inrush Peak at 120V AC and 25 °C (77 °F) Ambient

20 ms/DIV

Input current 10 A/DIV

Input voltage 500V/DIV

Output voltage

1 ms/DIV

Input current

5 A/DIV

Ipk = 16 A

Rockwell Automation Publication 1606-RM123A-EN-P - September 2021 9

DC Power Supply - 24V, 3.8 A, 90 W, Single-phase Input Reference Manual

Output The output provides a SELV/PELV/ES1 rated voltage, which is galvanically

isolated from the input voltage.

The output is electronically protected against no-load, overload and short

circuit. In case of a protection event, audible noise may occur.

The output is designed to supply any kind of loads, including unlimited

inductive loads. Capacitive loads should not be larger than 3300 μF with 3.8 A

or 4200 μF with 1.9 A additional resistive load.

At heavy overloads (when output voltage falls below 14V), the power supply

delivers continuous output current for 20 ms. After this, the output is switched

off for approx. 160ms before a new start attempt is automatically performed.

This cycle is repeated as long as the overload exists. If the overload has been

cleared, the device will operate normally.

Attributes Values Notes

Output voltage Nom DC 24V —

Adjustment range

Min 24…28V Guaranteed value

Max 29.0V This is the max output voltage that can occur at the clockwise end position of the

potentiometer due to tolerances. It is not guaranteed that this value can be achieved.

Factory settings Typ 24.1V ±0.2%, at full load and cold unit

Line regulation Max 10 mV Between 90…300V AC

Load regulation Max 100 mV Between 0…3.8 A, static value, see Figure 9

Ripple and noise voltage Max 100 mVpp Bandwidth 20 Hz…20 MHz, 50 Ω

Output current

Nom 3.8 A At 24V and an ambient temperature below 60 °C (140 °F)

Nom 3.2 A At 24V and 70 °C (158 °F) ambient temperature

Nom 2.8 A At 28V and an ambient temperature below 60 °C (140 °F)

Nom 2.4 A At 28V and 70 °C (158 °F) ambient temperature

Overload protection — Included Electronically protected against no-load, overload, and short circuit. If there is a protection

event, audible noise may occur.

Overload behavior — Continuous current Output voltage > 14V DC, see Figure 9

— Intermittent current Output voltage < 14V DC, see Figure 9

Overload/ short-circuit current

Max 6.7 A Continuous current, see Figure 9

Typ 8.6 A Intermitted current peak value for 20 ms typ.

Load impedance 150 mΩ, see Figure 10.

Discharge current of output capacitors is not included.

Max 3.2 A Intermitted current average value (R.M.S.) Load impedance 150 mΩ, see Figure 10.

Output capacitance Typ 1600 µF Included inside the power supply

Back-feeding loads Max 35V The unit is resistant and does not show malfunctioning when a load feeds back voltage to

the power supply. It does not matter whether the power supply is on or off. The absorbing

energy can be calculated according to the built-in large sized output capacitor.

Figure 9 - Output Voltage Versus Output Current, Typ Figure 10 - Intermittent Current at Short Circuit, Typ

Output Voltage

01 2

28V

8 A4 567

Output Current

A: continuous current

B: intermittent current

Adjustment Range

Output

Current

8.6 A

160 ms 160 ms

160 ms

Short -circuit Normal

operation

Normal

operation

10 Rockwell Automation Publication 1606-RM123A-EN-P - September 2021

DC Power Supply - 24V, 3.8 A, 90 W, Single-phase Input Reference Manual

Hold-up Time The hold-up time is the time during which the output voltage of a power supply

remains within specification following the loss of input power. The hold-up

time is dependent on output load. At no load, the hold-up time can be up to

several seconds. The green DC OK status indicator is also on during this time.

Attributes Values Notes

AC 100V AC 120V AC 230V

Hold-up Time

Typ 14 ms 25 ms 119 ms At 24V, 3.8 A. See Figure 11.

Typ 40 ms 60 ms 242 ms At 24V, 1.9 A. See Figure 11.

Min 11.5 ms 20 ms 95 ms At 24V, 3.8 A. See Figure 11.

Min 32 ms 48 ms 194 ms At 24V, 1.9 A. See Figure 11.

Figure 11 - Hold-up Time Versus Input Voltage Figure 12 - Shut-down Behavior, Definitions

100

120 ms

90 120 155 190 230V AC

Input Voltage

Hold-up Time

a) 24V 1.9 A typ

b) 24V 1.9 A min

c) 24V 3.8 A typ

d) 24V 3.8 A min

a b c

- 5%

Hold-up Time

Zero Transition

Output

Voltage

Input

Voltage

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