Rockwell Automation Allen-Bradley 1606 Series Bedienungsanleitung

Reference Manual

Bulletin 1606 Switched Mode Power Supplies

Catalog Number: 1606-XLSBUFFER24

Index

1. Description .........................................,............................. 1

2. Specication Quick Reference ................................... 1

3. Catalog Numbers ............................................................. 1

4. Certication Marks ........................................................... 1

5. Standby Mode ................................................................. 4

6. Charging Mode .............................................................. 4

7. Buer Mode ..................................................................... 5

8. Functional Diagram ...................................................... 6

9. Front Side and User Elements ................................ 6

10. Operating Diagram ...................................................... 7

11. Active and Ready Signal, Inhibit Input ............. 7

12. Terminals and Wiring ................................................ 8

13. Reliability .................................................................... 8

14. EMC ................................................................................ 9

15. Environment ............................................................. 9

16. Protection Features ............................................ 10

17. Safety .......................................................................... 10

18. Certications ............................................................. 10

19. Physical Dimensions and Weight ............... 11

20. Wiring Diagrams .................................................. 12

Mounting Orientation—The power terminal shall be located on top of the unit.

Cooling—Convection cooled, no forced air cooling required. Do not obstruct air flow!

Recommended Installation Clearances—40mm on top of unit; 20mm on bottom of unit; 0mm (or 15mm if adjacent device is a heat source) on

the left and right sides of the unit.

Intended Use—This buffer unit is designed for use in panel board installations or other in-building applications where a suitable mechanical

enclosure is provided to fulfil local requirements.

Service Parts—This unit does not contain any service part. Should damage or malfunction occur during installation, turn power off immediately and

return unit to the manufacturer for inspection.

Installation Notes

All parameters are specified at 24V, 20A, 25°C ambient and after a 5 minutes run-in time, unless noted otherwise.

2Rockwell Automation Publication 1606-RM026A-EN-P — April 2014

Bulletin 1606 Switched Mode Power Supplies

Buer Unit

■ Buering with electrolytic capacitors instead

of lead batteries

■ Buering of 24V loads

■ Minimum hold-up time 0.2s at 20A

■ Longer hold-up time at lower loads

■ Clear status indication by status LED and signaling

terminals

■ Quick-connect spring-clamp terminals

■ 3 year warranty

1. Description 2. Specication Quick Reference

Rated voltage DC 24V

Voltage range 24-28.8V

Output voltage 22.5V or

VIN –1V

selectable by

jumper

Output current 0 to 20A

Hold-up time min 0.2s 22.5V, 20A

typ 0.31s 22.5V, 20A

min 28s 22.5V, 0.1A

typ 43s 22.5V, 0.1A

Charging current max 600mA

Charging time typ 18s

Input current typ 80mA standby mode

Power dissipation typ 1.9W standby mode

Temperature range

-25°C to +70°C operational

Dimensions 64x124x102mm WxHxD

The buer unit is a supplementary device for regulated

DC24V power supplies. It buers load currents during

typical mains faults and load peaks.

Working principle

In times when the power

supply provides sucient

voltages, the buer unit

stores energy in integrated electrolytic capacitors. In case of

mains voltage fault, this energy is released again in a

regulated process.

Bridges mains faults

without interruption

Statistic show that 80% of

all mains fault lasts less

than 0.2s. These mains

faults are completely bridged by the buer unit. This

increases the reliability of the system as a whole.

Extended hold-up time

Once mains power fails or

is switched o, the buer

unit will continue to

provide the load current

for a dened period of time. Process data can be saved and

processes can be terminated before the DC power switches

o. Controlled restarts are subsequently possible.

Easy to handle, expandable and maintenance-free

The buer unit does not require

any control wiring. It can be

added parallel to the load circuit

at any given point. Buer units

can be switched in parallel to

increase the output ampacity or the hold-up time.

Charge

Discharge

Buffer

Buffer Unit

Buffer

Unit(s)

Power

Supply Load

3. Catalog Numbers 4. Certication Marks

Buer Unit 1606-XLSBUFFER24 24, 20A, 200ms

Accessory 1606-XLB Wall mounting

bracket

UL 508

UL 60950-1

EMC, LVD

C-Tick

GOST R

All parameters are specified at 24V, 20A, 25°C ambient and after a 5 minutes run-in time, unless noted otherwise.

Rockwell Automation Publication 1606-RM026A-EN-P — April 2014 3

Bulletin 1606 Switched Mode Power Supplies

Intended Use

•This device is designed for installation in an enclosure and is intended for the general professional use such as in industrial control, office,

communication, and instrumentation equipment.

•Do not use this power supply in aircraft, trains, nuclear equipment or similar systems where malfunction may cause severe personal injury or

threaten human life.

•This device is designed for use in non-hazardous, ordinary or unclassified locations.

Installation Requirements

•This device may only be installed and put into operation by qualified personnel.

•This device does not contain serviceable parts. The tripping of an internal fuse is caused by an internal defect.

•If damage or malfunction should occur during installation or operation, immediately turn power off and send unit to the factory for inspection.

•Mount the unit on a DIN rail so that the terminals are located on the bottom of the unit. For other mounting orientations, refer to Mounting.

•This device is designed for convection cooling and does not require an external fan. Do not obstruct airflow and do not cover ventilation grid

(e.g. cable conduits) by more than 30%!

•Keep the following installation clearances: 40mm on top, 20mm on the bottom, 0mm on the left and right sides are recommended when the

device is loaded permanently with more than 50% of the rated power. Increase this clearance to 15mm in case the adjacent device is a heat

source (e.g. another power supply).

SHOCK HAZARD: Do not use the power supply without proper grounding (Protective Earth). Use the terminal on the input

block for earth connection and not one of the screws on the housing.

- Turn power off before working on the device. Protect against inadvertent re-powering

- Make sure that the wiring is correct by following all local and national codes

- Do not modify or repair the unit

- Do not open the unit as high voltages are present inside

- Use caution to prevent any foreign objects from entering the housing

- Do not use in wet locations or in areas where moisture or condensation can be expected

- Do not touch during power-on, and immediately after power-off. Hot surfaces may cause burns.

WARNING: EXPLOSION HAZARDS!

Substitution of components may impair suitability for this environment. Do not disconnect the unit or operate the voltage adjustment or S/P jumper unless

power has been switched off or the area is known to be non-hazardous.

All parameters are specified at 24V, 20A, 25°C ambient and after a 5 minutes run-in time, unless noted otherwise.

4Rockwell Automation Publication 1606-RM026A-EN-P — April 2014

Bulletin 1606 Switched Mode Power Supplies

5. Standby Mode

Input voltage nom. DC 24V

Voltage range nom. 24-28.8Vdc

Input current typ. 80mA Standby mode

Power dissipation typ. 1.9W

Status lamp

always on

Active signal

high ohmic

Ready signal

low ohmic

6. Charging Mode

Charging current min. 0.4A Charging mode

max. 0.6A Charging mode

Charging time min. 20s / 15s Initial charge

/ Re-charging

max. 29s / 21s Initial charge

/ Re-charging

Status lamp

ashes 1.25Hz

Active signal

high ohmic

Ready signal

high ohmic

1) Initial charging is the rst charge after voltage is applied to the buer unit.

2) Re-charging is the charging of the internal capacitors after voltage interruptions of less than 2 minutes.

Fig. 6-1 Re-charging time, 24V

Charge

0510 30s

Charging Time

100%

15 20 25

max

min

All parameters are specified at 24V, 20A, 25°C ambient and after a 5 minutes run-in time, unless noted otherwise.

Rockwell Automation Publication 1606-RM026A-EN-P — April 2014 5

Bulletin 1606 Switched Mode Power Supplies

7. Buer Mode

Rated output current nom. 20A

Current limitation min. 20A Electronically limited

Output voltage typ. 22.5V Jumper in position “22.5V xed”

typ. 1V below input

voltage Jumper in position “Vin –1V”

Ripple and noise voltage max. 200mVpp 20Hz to 20MHz, 50Ohm

Hold-up time min. 0.2s 22.5V, 20A

typ. 0.31s 22.5V, 20A

min. 28s 22.5V, 0.1A

typ. 43s 22.5V, 0.1A

To increase buer current or extend hold-up time, any given number of buer

units can be installed in parallel.

Activation threshold typ. 22.5V

mper in position “22.5V xed”

Buering starts if terminal voltage falls below 22.5V.

typ. Vin –1V Jumper in position “Vin –1V”

Buering starts if the terminal voltage decreases by

more than 1V. Buering ends when terminal voltage

increases by more than 1V

Voltage changes slower than 0.54V/s will be ignored

unless the voltage is above 22.5V. Below 22.5V

buering starts immediately.

Status lamp

ashes 10Hz

Active signal

low ohmic

Ready signal

high ohmic

Fig. 7-1 Hold-up time

0,1 A

1,0 A

10,0 A

100,0 A

0,1 s 1,0 s 10,0 s 100,0 s

Buffer

Current

typ. ( 22,5 V )

typ. ( 27,8 V )

min . ( 2 2, 5 V )

All parameters are specified at 24V, 20A, 25°C ambient and after a 5 minutes run-in time, unless noted otherwise.

6Rockwell Automation Publication 1606-RM026A-EN-P — April 2014

Bulletin 1606 Switched Mode Power Supplies

8. Functional Diagram

Fig. 8-1 Functional diagram

Buffer Capacitor

Charger &

Inrush Limiter

Buffer

Capacitor

Buffer Capacitor

Discharger

Status

lamp

7 Active

6 +

Ready Monitor

Active Monitor

Optokoppler

8 Ready

9 Inhibit

Optokoppler

Buffer

Capacitor

Shut-Down

Input / Output

Voltage Monitor

Back-up

Level

Selector

Reverse-

Polarity

Protection

Safety and

Over-

Voltage

Protection

Chassis

Ground

9. Front Side and User Elements

Fig. 9-1 Front side

A. I/O Power Port

Quick-connect spring-clamp

terminals,

+Positive terminal

- Negative terminal

Chassis Ground

to bond the housing

B. Status lamp

OFF: Buer is discharged, or

terminal voltage is below 22V

ON: Unit is fully charged

Flashes 1,25Hz:

Unit is in charging mode

Flashes 10Hz:

Unit is in discharging mode

C. Signal Port

Plug Connector

6common + pole

7Active : unit is buering

8Ready: unit is on stand-by

9Inhibit : initiates buer

discharging and inhibits

recharging of capacitors

D. Back-up threshold jumper

1-2: Variable mode

Unit switches to buer mode when input

voltage decreases by 1V within 0.54V/s or

the input voltage falls below 22.5V.

2-3: Fixed mode, (factory setting)

Unit switches to buer mode as soon as the

voltage falls below 22.5V

Missing jumper = 22.5V xed

Set the unit to xed mode:

-when using other power supplies

than the 1606-XLS series

-with back-feeding loads

-when the buer unit is placed close to

the load

-whenever in doubt

Set the unit to variable mode:

-for 28V applications

-when the buer unit is placed close to

the power supply

All parameters are specified at 24V, 20A, 25°C ambient and after a 5 minutes run-in time, unless noted otherwise.

Rockwell Automation Publication 1606-RM026A-EN-P — April 2014 7

Bulletin 1606 Switched Mode Power Supplies

10. Operating Diagram

Fig. 10-1 Operating diagramFig. 10-2 Signals schematic

Ready

Active

Optocoupler high ohmic

Optocoupler low ohmic

Optocoupler

low ohmic

Mains

Buffer

Capacitor

out

Charging Mode

LED

Buffer Mode

Hold-up Time Power Supply

Standby

Mode

10Hz1.25Hz

8 Ready

7 Active

6 +

5,1V

3mA

9 Inhibit

11. Active and Ready Signal, Inhibit Input

Active signal (Pin 7) low ohmic while buer capacitors are discharging

Signal voltage max. 35Vdc

Signal current max. 10mA

Voltage drop across opto-coupler typ 0.9V / 3V at 1mA / 5mA, while opto-coupler is low ohmic

Leakage current max. 50μA while opto-coupler is high ohmic

Isolation nom. 500Vac Signal port to power port

Ready signal (Pin 8) low ohmic when buer is fully charged

Signal voltage max. 35Vdc

Signal current max. 10mA

Voltage drop across opto-coupler typ 0.9V / 3V at 1mA / 5mA, while opto-coupler is low ohmic

Leakage current max. 50μA while opto-coupler is high ohmic

Isolation nom. 500Vac Signal port to power port

Inhibit input (Pin 9) “High” input signal initiates unit shutdown and buer discharge

Signal voltage max. 35Vdc

Signal current max. 4mA current limited

Shut-down threshold min. 6Vdc Unit is in shut-down mode above this threshold level

max. 10Vdc

Isolation nom. 500Vac Signal port to power port

Wiring diagrams are provided in section 20.

All parameters are specified at 24V, 20A, 25°C ambient and after a 5 minutes run-in time, unless noted otherwise.

8Rockwell Automation Publication 1606-RM026A-EN-P — April 2014

Bulletin 1606 Switched Mode Power Supplies

12. Terminals and Wiring

Power terminal

Type Bi-stable, quick-connect spring clamp terminals. IP20 Finger safe construction.

Suitable for eld- and factory installation. Shipped in open position.

Solid wire 0.5-6mm

Stranded wire 0.5-4mm

AWG

20-10AWG

Ferrules Allowed, but not required

Pull-out force 10AWG:80N, 12AWG:60N, 14AWG:50N, 16AWG:40N (according to UL486E)

Wire stripping length 10mm / 0.4inch

Fig. 12-1 Connecting a wire

Instructions:

a) Use appropriate copper cables, that are designed

for an operating temperature of 60°C.

b) Follow national installation codes and regulations!

c) Ensure that all strands of a stranded wire are fully

inserted in the terminal connection!

d) Up to two stranded wires with the same cross-

section are permitted in one connection point.

Insert the wire

Snap the lever

To disconnect wire : reverse above procedure.

Signal terminal

Type Plug connector with screw terminal mechanism.

Finger-touch-proof terminal with captive screws for 3.5mm slotted screwdriver.

Solid / stranded wire 0.2-2.5mm

AWG 22-14AWG

Ferrules up to 1.5 mm

wire gauge

Wire stripping length 6mm / 0.24inch

Tightening torque 0.4Nm, 3.5lb.in

13. Reliability

Lifetime expectancy min. 41 000h 40°C, stand-by mode

min. 116 000h 25°C, stand-by mode

MTBF SN 29500, IEC 61709 2 327 000h 40°C, stand-by mode

4 219 000h 25°C, stand-by mode

MTBF MIL HDBK 217F 398 000h 40°C, stand-by mode, ground benign GB40

624 000h 25°C, stand-by mode, ground benign GB25

The Lifetime expectancy shown in the table indicates the operating hours (service life) and is determined by the

lifetime expectancy of the built-in electrolytic capacitors. Lifetime expectancy is specied in operational hours.

Lifetime expectancy is calculated according to specications from the manufacturer of the capacitor.

MTBF means Mean Time Between Failures, which is calculated according to statistics of device failures, and

indicates reliability of a device. It is the statistical representation of the likelihood of failure of a given device, and does

not necessarily represent a life of a product.

All parameters are specified at 24V, 20A, 25°C ambient and after a 5 minutes run-in time, unless noted otherwise.

Rockwell Automation Publication 1606-RM026A-EN-P — April 2014 9

Bulletin 1606 Switched Mode Power Supplies

14. EMC

The unit is suitable for applications in industrial environments as well as in residential, commercial and light industry

environments without any restriction. The CE Mark is in conformance with EMC guidelines 89/336/EEC and 93/68/EEC and

the low-voltage directive (LVD) 73/23/EWG.

A detailed EMC Report is available on request

EMC Immunity EN 61000-6-1 EN 61000-6-2

Generic standards

Electrostatic discharge 1) EN 61000-4-2 Contact discharge

Air discharge

8kV

15kV

Criterion A

Electromagnetic RF eld EN 61000-4-3 80MHz-1GHz 10V/m Criterion A

Fast transients (Burst) EN

61000-4-4

2kV Criterion A

Surge voltage EN 61000-4-5 + -

+ / - housing

500V

Criterion A

Conducted disturbance EN 61000-4-6 0,15-80MHz 10V Criterion A

1) Grounded on the DIN rail

EMC Emission

EN 61000-6-3 and EN 61000-6-4 Generic standards

Conducted emission EN 55022 Class B

Radiated emission EN 55011, EN 55022 Class B

This device complies with FCC Part 15 rules.

Operation is subjected to following two conditions: (1) this device may not cause harmful interference, and (2) this

device must accept any interference received, including interference that may cause undesired operation.

15. Environment

Operational temperature -25°C to +70°C full power

Storage temperature -40 to +

85°C

storage and transportation

Humidity 5 to 95% r.H.

no condensation allowed

Vibration sinusoidal 2-17.8Hz: ±1.6mm; 17.8-500Hz: 2g IEC 60068-2-6

Vibration random 0.5m

2(s3)

IEC 60068-2-64

Shock 30g 6ms, 20g 11ms IEC 60068-2-27

Altitude 0 to 6000m All approvals apply only up to 2000m

Over-voltage category III EN 50178

II EN 50178 above 2000m altitude

Degree of pollution 2 EN 50178, not conductive

The ambient temperature is dened 2cm below the unit.

All parameters are specified at 24V, 20A, 25°C ambient and after a 5 minutes run-in time, unless noted otherwise.

10 Rockwell Automation Publication 1606-RM026A-EN-P — April 2014

Bulletin 1606 Switched Mode Power Supplies

16. Protection Features

Buer protection Electronically protected against overload, no-load and short-circuits

Output over-voltage protection

in buer mode

typ. 32Vdc

max. 35Vdc

In case of an internal defect, a redundant circuitry

limits the maximum output voltage. The output shuts-

down and makes automatic restart attempts.

Degree of protection IP 20 EN/IEC 60529

Penetration protection > 3.5mm e.g. screws, small parts

Reverse polarity protection yes max. –35Vdc

Input over-voltages protection yes max. 35Vdc, no harm or defect of the unit

Internal fuse not included

17. Safety

Output voltage SELV IEC/EN 60950-1

PELV EN 60204-1, EN 50178, IEC 60364-4-41

Class of protection II

Isolation resistance > 5MOhm Power port to housing, 500Vdc

PE resistance < 0.1Ohm between housing and chassis ground terminal

Dielectric strength 500Vac Power port to signal port

500Vac Power port / signal port to housing

18. Certications

UL 508

IND. CONT. EQ.

18WM

LISTED E56639 for use in the U.S.A. (UL 508) and

Canada (C22.2 No. 14-95)

Industrial Control Equipment

UL 60950-1

RECOGNIZED E168663 for use in the U.S.A. (UL 60950-1)

and Canada (C22.2 No. 60950)

Information Technology Equipment, Level 3

EN 60950-1, EN 61204-3 Complies with CE EMC and CE Low Voltage Directives

GOST R

C-TICK

GOST R certication is applicable for products intended for use

and sale within Russia. See below for link to the Certicate.

C-Tick compliance is for products intended for sale and use within

the Australian market. See below for link to the C-Tick

Declarations of Conformity.

Product certification information (including Certificates and Declarations of Conformity) can be found at www.ab.com/certifications.

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