PULS UF40.241 Installation Manual [ml]

EN UF40.241 Installation Manual Buffer Module 24V, 40A
DE UF40.241 Installationsanleitung Puffermodul 24V, 40A
FR UF40.241 Manuel d'installation Module tampon CC 24V, 40A
ES UF40.241 Manual de instalación Unidad buffer SAI en CC 24V, 40A
IT UF40.241 Manuale di Installazione Modulo tampone 24V, 40A
PT UF40.241 Manual de instalação Unidade buffer 24V, 40A

Doc. ID: PU-425.015.00-Z (2018-03-27)

Read this first! English Vor Inbetriebnahme lesen! Deutsch

Before operating this device, please read this manual thoroughly and retain this manual for
future reference! This device may only be installed and put into operation by qualified
personnel. If damage or malfunction should occur during operation, immediately turn power
off and send device to the factory for inspection. The device does not contain serviceable
parts. The information presented in this document is believed to be accurate and reliable and
may change without notice. For any clarifications the English translation will be used.

WARNING

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

- Do not open, modify or repair the device.

- 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.

Risk of electrical shock, fire, personal injury, or death:

Bitte lesen Sie diese Warnungen und Hinweise sorgfältig durch, bevor Sie das Gerät in Betrieb

nehmen. Bewahren Sie die Anleitung zum Nachlesen auf. Das Gerät darf nur durch
fachkundiges und qualifiziertes Personal installiert werden. Be i Funktionsstörungen oder
Beschädigungen schalten Sie sofort die Versorgungsspannung ab und senden das Gerät zur
Überprüfung ins Werk. Das Gerät beinhaltet keine Servicebauteile. Die angegebenen Daten
dienen allein der Produktbeschreibung und sind nicht als zugesicherte Eigenschaften im
Rechtssinne aufzufassen. Im Zweifelsfall gilt der englische Text.

WARNUNG

- Schalten Sie die Eingangsspannung vor Installations-, Wartungs- oder Änderungsarbeiten
ab und sichern Sie diese gegen unbeabsichtigtes Wiedereinschalten.

- Führen Sie keine Änderungen oder Reparaturversuche am Gerät durch. Gerät nicht öffnen!

- Verhindern Sie das Eindringen von Fremdkörpern, wie z.B. Büroklammern und Metallteilen.

- Betreiben Sie das Gerät nicht in feuchter Umgebung oder in einer Umgebung, bei der mit
Betauung oder Kondensation zu rechnen ist.

- Gehäuse nicht während des Betriebes oder kurz nach dem Abschalten berühren. Heiße
Oberflächen können Verletzungen verursachen.

Missachtung nachfolgender Punkte kann einen elektrischen
Schlag, Brände, schwere Unfälle oder Tod zur Folge haben:

A lire avant mise sous tension! Français Lea primero! Español

Veuillez lire ces instructions de montage et d'entretien avant de mettre l'alimentation sou s
tension. Conservez ce manuel qui vous sera toujours utile. Cette alimentation ne doit être
installée que par du personnel qualifié et compétent. En cas de dommage ou
dysfonctionnement, coupez immédiatement la tension d’alimentation et retournez l’appareil à
l’usine pour vérification. ! L’alimentation ne contient pas de pièces échangeables Les
données indiquées dans ce document servent uniquement à donner une description du
produit et n'ont aucune valeur juridique. En cas de divergences, le texte anglais fait foi.

AVERTISSEMENT

- Mettre l’alimentation hors tension avant toute intervention sur celle-ci et s'assurer qu'il n'y
a pas risque de redémarrage.

- Ne pas ouvrir, modifier ou réparer l'alimentation.

- Veiller à ce qu'aucun objet ne rentre en contact avec l'intérieur de l'alimentation
(trombones, pièces métalliques).

- Ne pas faire fonctionner l'appareil dans un environnement humide ou dans un
environnement où il peut y avoir de la condensation.

- Ne pas toucher le carter pendant le fonctionnement ou directement après la mise hors
tension. Surface chaude risquant d’entraîner des blessures.

Prendre en compte les points suivants, afin
d'éviter toute détérioration électrique, incendie,
dommage aux personnes ou mort:

Conserve este manual como referencia para futuras consultas. La fuente de alimentación solo

puede ser instalada y puesta en funcionamiento por personal cualificado. Por favor lea
detenidamente este manual antes de conectar la fuente de alimentación. Si se produce un fallo
o mal funcionamiento durante la operación, desconecte inmediatamente la tensión de
alimentación. En ambos casos, el equipo debe ser inspeccionado en fábrica. La información
presentada en este documento es exacta y fiable en cuanto a la descripción del producto y
puede cambiar sin aviso. En casa de duda, prevalece el texto inglés.

- Desconectar la tensión de red antes de trabajar en la fuente de alimentación. Evite una

ADVERTENCIA

posible reconexión involuntar ia.

- No realizar ninguna modificación o reparación de la unidad. No abrir la unidad.

- Evitar la introducción en la carcasa de objetos extraños.

- No usar el equipo en ambientes húmedos. No operar el equipo en ambientes donde se
espere la formación de rocío o condensación.

- No tocar durante el funcionamiento ni inmediatamente después del apagado. El calor de la
superficie puede causar quemaduras graves.

Riesgo de descarga eléctrica, incendio, accidente
grave o muerte:

Leggere prima questa parte! Italiano Leia primeiro! Portuguès

Prima di collegare il sistema di alimentazione elettrica si prega di leggere attentamente le
seguenti avvertenze. Conservare le istruzioni per la consultazione futura. Il sistema di
alimentazione elettrica deve essere installato solo da personale competente e qualificato. Se
durante il funzionamento si verificano anomalie o guasti, scollegare immediatamente la
tensione di alimentazione. In entrambi i casi è necessario far controllare l'apparecchio dal
produttore! I dati sono indicati solo a scopo descrittivo del prodotto e non vanno considerati
come caratteristiche garantite dell'apparecchio. In caso di differenze o problemi è valido il
testo inglese

AVVERTENZA

- Prima di eseguire interventi di installazione, di manutenzione o di modifica scollegare la
tensione di rete ed adottare tutti i provvedimenti necessari per impedirne il ricollegamento
non intenzionale.

- Non tentare di aprire, di modificare o di riparare da soli l'apparecchio.

- Impedire la penetrazione di corpi estranei nell'apparecchio, ad esempio fermagli o altri
oggetti metallici.

- Non far funzionare l'apparecchio in un ambiente umido. Non far funzionare l'apparecchio
in un ambiente soggetto alla formazione di condensa o di rugiada.

- Non toccare quando acceso e subito dopo lo spegnimento. La superficie calda può
causare scottature.

Il mancato rispetto delle seguenti norme può
provocare folgorazione elettrica, incendi, gravi
incidenti e perfino la morte:

Recomendamos a leitura cuidadosa das seguintes advertências e observações, antes de

colocar em funcionamento a fonte de alimentação. Guarde as Instruções para futura consulta,
em casos de dúvida. A fonte de alimentação deverá ser instalada apenas por profissionais da
área, tecnicamente qualificados. Se por acaso, durante a utilização ocorrer algum defeito de
funcionamento ou dano, desligue imediatamente a tensão de alimentaçã o. Em a mbos os casos,
será necessária uma verificação na Fábrica! Os dados mencionados têm como finalidade
somente a descrição do produto, e não devem ser interpretados como propriedades garantidas
no sentido jurídico. Em caso de duvidas aplica-se o texto em inglês.

- Antes de trabalhos de instalação, manutenção ou modificação, desligue a tensão de

ATENÇÃO

alimentação, protegendo-a contra uma nova ligação involuntária.

- Não efectue nenhuma modificação ou tentativa de reparação no aparelho. Quando
necessário contacte o seu distribuidor. Não abra o aparelho.

- Proteger a fonte de alimentação contra a introdução inadvertida de corpos metálicos, como
por ex., clipes ou outras peças de metal.

- Não usar o aparelho em ambientes húmidos. Não usar o aparelho em ambientes propensos
a condensações.

- Não tocar enquanto estiver em funcionamento, nem após a desligar. A superficie poderá
estar quente e provocar lesões.

A não observância ou o incumprimento dos pontos a seguir
mencionados, poderá causar uma descarga elétrica, incêndios,
acidentes graves ou morte:

Headquarters: PULS GmbH, Elektrastr. 6, 81925 Munich, Germany, www.pulspower.com

Germany [phone]
China [phone]

France [phone]
North America [phone]

The information in this document is believed to be accurate and reliable and may change without notice.

Austria [phone]
Singapore [phone]

Switzerland [phone]
United Kingdom [phone]

UF40.241 Installation Manual

EN

Product Description

The UF40.241 buffer module is a supplementary device for regulated DC power supplies and can be
used as power source to bridge failures of the DC voltage supply system or to extend the hold-up time
after loss of the AC power or to deliver short-term peak current above the current rating of the power
supply.

Intended Use

This device is designed for installation in an enclosure and is intended for commercial use, such as in
industrial control, process control, monitoring and measurement equipment or the like. Do not use this
device in equipment where malfunction may cause severe personal injury or threaten human life.

Installation Instructions

Install the device in an enclosure providing protection against electrical, mechanical and fire hazards.
Install the device onto a DIN-rail according to EN 60715 with the power terminals on the top of the

unit.
The device can be powered from a regulated power supply or a similar DC source. The voltage
between the supply voltage terminals and the PE terminal must not exceed 60Vdc continuously.
The device must be powered from a PELV or SELV source or an "Isolated Secondary Circuit" in order
to maintain a SELV or PELV level.
Use an appropriately sized 24V power supply, which can deliver the additional internal current
consumption, required to charge the capacitors.
Check for correct supply voltage polarity. The device will not operate when the voltage is reversed.
Make sure that the wiring is correct by following all local and national codes. Use appropriate copper
cables that are designed for a minimum operating temperature of 60°C for ambient temperatures up to
+45°C, 75°C for ambient temperatures up to +60°C and 90°C for ambient temperatures up to +70°C.
Ensure that all strands of a stranded wire enter the terminal connection.
The device is designed for pollution degree 2 areas in controlled environments.

No condensation or

frost is allowed.
The enclosure of the device provides a degree of protection of IP20.
The device is designed for convection cooling and does not require an external fan. Do not obstruct
airflow and do not cover ventilation grid!
Keep the following minimum installation clearances: 40mm on top, 20mm on the bottom, 0mm left and
right side.
The device is designed for altitudes up to 6000m (19685ft).
The maximum surrounding air temperature is +70°C (+158°F). The operational temperature is the
same as the ambient or surrounding air temperature and is defined 2cm below the device.
The device is designed to operate in areas between 5% and 95% relative humidity.
For EMI reasons, signal lines (ready, active and inhibit) must be shorter than 30m.

Functional Description

Green Status LED

This LED is on solid, when the capacitor is charged. During charging, the LED is flashing with a slow
frequency and rapid flashing is an indication of a buffer event.

Back-up Threshold Selector

The buffer behavior can be selected with the back-up jumper between “Fixed Mode” and “Variable
Mode”. In "Fixed Mode", the unit switches to buffer mode as soon as the voltage falls below 22.5V. In
"Variable Mode", the unit switches to buffer mode when input voltage decreases by 1V. Voltage
changes slower than 0.54V/s will be ignored if the voltage is above 22.5V. Below 22.5V buffering
starts immediately.

Inhibit Input

The inhibit input disables or stops buffering. Connect pin 6 to the positive pole of the supply voltage or
to an external control voltage and pin 9 to the corresponding negative pole. Inhibiting the unit also
discharges the internal capacitors. Charging of the capacitor is not possible when the buffer module is
in inhibit mode. The current of the inhibit input is limited to 4mA by the buffer module.

Active Signal

The signal “Active” (pin 7) is an opto-coupler output which is low ohmic while capacitors are
discharged. The maximal signal current between pin 6 and 7 is 10mA and the maximal voltage is 35V.

Ready Signal

The signal “Ready” (pin 8) is an opto-coupler output which is low ohmic when capacitors are fully
charged. The maximal signal current between pin 6 and 8 is 10mA and the maximal voltage is 35V.

Technical Data

All values are typical figures specified at 24Vdc supply voltage in standby
mode at 25°C ambient, no capacitor charging and after a 5 minutes run-in
time unless otherwise noted.

Supply voltage DC 24V -20%/+25%
Minimum input voltage to

start charging and to
enable buffer mode

Transfer voltage to switch
into buffer mode

Internal current
consumption

Current limitation in buffer
mode

Buffer time min. 160ms At 22.5V, 40A
min. 320ms At 22.5V, 20A
typ. 250ms At 22.5V, 40A
typ. 500ms At 22.5V, 20A
typ. 62s At 22.5V, 0.1A
Charging time 45s For initial charging
34s For recharging shortly

Power losses 1.9W
Temperature range -25°C to +70°C
Max. wire size (litz wire) 10mm² For power terminals
Wire size AWG AWG 22-8 For power terminals
Max. wire diameter 5. 2mm For power terminals
Wire stripping length 12mm/ 0.5inch For power terminals
Tightening torque 2.3Nm/ 20lb.inch For power terminals
Max. wire size (litz wire) 2.5mm² For signal terminals
Wire size AWG AWG 22-14 For signal terminals
Max. wire diameter 2.25mm For signal terminals
Wire stripping length 6mm/ 0.25inch For signal terminals
Tightening torque 0.4Nm/ 3.5lb.inch For signal terminals
Size (wxhxd) 62x124x142mm Without DIN-rail
Weight 1040g / 2.3lb

23Vdc

22.5Vdc
VIN-1V

max. 0.6A Includes charging

43A

In fixed mode
In variable mode

current

after a buffer event

Functional Diagram

Supply
Voltage

Chassis
Ground

+

Reverse

Polarity

-

Protection

-

Boost

Converter

Storrage

Capacitor

Safety and

Overvoltage

Protection

Charger

Safety

Circuits

and

Discharge

Circuit

Voltage
Monitor

Controller

(6)

(9)

(8)

(7)

Back-up
Level
Selector

Status
LED

+

Inhibit
Ready

Active

Wiring Scheme

Load

+-+

Output

Power
Supply

+

-

Input

Buffer
Module

+

-

Input

Buffer
Module

+

-

-

Input

Buffer
Module

Input

Signals

PE

L N

Buffer modules can be connected in parallel to increase the output

ampacity or the hold-up time.

Signals

Signals

LED Signal Pattern

Green Status LED:

Ready
Charging

Buffering