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GWS250 Installation Manual
ENGLISH
General Safety Instructions:
READ SAFETY INSTRUCTIONS
Servicing:
These products are not customer serviceable TDK-Lambda UK LTD and their authorised agents only are permitted
to carry out repairs.
Critical Components:
These products are not authorised for use as critical components in nuclear control systems, life support systems or
equipment for use in hazardous environments without the express written approval of the Managing Director of TDK-
Lambda EMEA.
Product Usage:
These products are designed for use within a host equipment which restricts access to authorised competent
personnel.
This product is a component power supply and is only to be installed by qualified persons within other equipment and
must be not operated as a stand alone product.
This product is for sale to business to business customers and can be obtained via distribution channels.
It is not intended for sale to end users.
This product is a component power supply and does not fall within the scope of the EMC directive. Compliance with
the EMC directive must be considered in the final installation. Please contact your local TDK-Lambda office.
Environmental:
These products are IPX0, and therefore chemicals/solvents, cleaning agents and other liquids must not be used.
Environment:
This power supply is a switch mode power supply for use in applications within a Pollution Degree 2, overvoltage
category II environment. Material Group IIIb PCB's are used within it.
Output Loading:
The output power taken from the power supply must not exceed the rating stated on the power supply label, except
as stated in the product limitations in this handbook.
Input Parameters:
This product must be operated within the input parameters stated in the product limitations in this handbook.
End of Life Disposal:
The unit contains components that require special disposal. Make sure that the unit is properly disposed of at the
end of its service life and in accordance with local regulations.
RISK OF ELECTRIC SHOCK
High Voltage Warning:
Dangerous voltages are present within the power supply. The professional installer must protect service personnel
from inadvertent contact with these dangerous voltages in the end equipment.
WARNING: When installed in a Class 1 end equipment, this product must be reliably earthed and professionally
installed.
The (+) or (-) output(s) can be earthed or left floating.
The unit cover(s)/chassis (where applicable) must not be made user accessible.
The mains input connector is not acceptable for use as field wiring terminals.
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PA589-04-01E (a)

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Sommaire des Matières pour TDK-Lambda GWS250

  • Page 1 General Safety Instructions: READ SAFETY INSTRUCTIONS Servicing: These products are not customer serviceable TDK-Lambda UK LTD and their authorised agents only are permitted to carry out repairs. Critical Components: These products are not authorised for use as critical components in nuclear control systems, life support systems or equipment for use in hazardous environments without the express written approval of the Managing Director of TDK- Lambda EMEA.
  • Page 2 Internal fuses protect the unit and must not be replaced by the user. In case of internal defect, the unit must be returned to TDK-Lambda UK LTD or one of their authorised agents. A suitable mechanical, electrical and fire enclosure must be provided by the end use equipment for mechanical, electric shock and fire hazard protection.
  • Page 3 Allgemeine Sicherheitsvorschriften: LESEN SIE DIE SICHERHEITSVORSCHRIFTEN Wartung: Diese Produkte können nicht durch den Kunden gewartet werden. Nur TDK-Lambda UK LTD. und deren zugelassene Vertriebshändler sind zur Durchführung von Reparaturen berechtigt. Kritische Komponenten: Diese Produkte sind nicht für die Verwendung als kritische Komponenten in nuklearen Kontrollsystemen, Lebenserhaltungssystemen oder Geräten in gefährlichen Umgebungen geeignet, sofern dies nicht ausdrücklich und...
  • Page 4 Für ummantelt Produkte, verwenden Sie keine Schrauben, die das Gerät mehr als durchdringen; siehe Zeichnung Eine interne Sicherung schützt das Gerät und darf durch den Benutzer nicht ausgetauscht werden. Im Fall von internen Defekten muss das Gerät an TDK-Lambda UK LTD oder einen der autorisierten Vertriebshändler zurückgeschickt werden.
  • Page 5 Consignes générales de sécurité: LIRE LES CONSIGNES DE SECURITE Entretien: Ces produits ne peuvent pas être réparés par l’utilisateur. Seuls, TDK-Lambda UK LTD et ses agents agréés sont autorisés à effectuer des réparations. Composants critiques: Ces produits ne doivent pas être utilisés en tant que composants critiques dans des systèmes de commande nucléaire, dans des systèmes de sauvetage ou dans des équipements utilisés dans des environnements dangereux,...
  • Page 6 Un fusible interne protège le module et ne doit pas être remplacé par l'utilisateur. En cas de défaut interne, le module doit être renvoyé à TDK-Lambda UK LTD ou l'un de ses agents agréés. Une enceinte appropriée doit être prévue par l'utilisateur final pour assurer la protection contre les chocs mécaniques, les chocs électriques et l'incendie.
  • Page 7 Manutenzione: Il cliente non può eseguire alcuna manutenzione su questi prodotti. L'esecuzione delle eventuali riparazioni è consentita solo a TDK-Lambda UK LTD e ai suoi agenti autorizzati. Componenti critici: Non si autorizza l'uso di questi prodotti come componenti critici all'interno di sistemi di controllo nucleari, sistemi necessari alla sopravvivenza o apparecchiature destinate all'impiego in ambienti pericolosi, senza l'esplicita approvazione scritta dell'Amministratore Delegato di TDK-Lambda EMEA.
  • Page 8 Un fusibile interno protegge l'unità e non deve essere sostituito dall'utente. Nell'eventualità di un difetto interno, restituire l'unità a TDK-Lambda UK LTD o a uno dei suoi agenti autorizzati. L'apparecchiatura finale deve includere una recinzione meccanica, elettrica e antincendio per proteggere dai pericoli di natura meccanica, dalle scosse elettriche e dai pericoli di incendio.
  • Page 9 Instrucciones generales de seguridad: LEA LAS INSTRUCCIONES DE SEGURIDAD Servicio: Estos productos no pueden ser reparados por los clientes. TDK-Lambda UK LTD. y sus agentes autorizados son los únicos que pueden llevar a cabo las reparaciones. Componentes fundamentales: Estos productos no pueden ser utilizados como componentes fundamentales en sistemas de control nuclear, sistemas de soporte vital o equipos a utilizar en entornos peligrosos sin el consentimiento expreso por escrito del Director General de TDK-Lambda EMEA.
  • Page 10 Un fusible interno protege la unidad y este no debe ser nunca reemplazado por el usuario. En caso de existir algún defecto interno, la unidad debe ser enviada a TDK-Lambda UK LTD o a uno de sus agentes autorizados. El equipo de uso final debe constituir un recinto de protección mecánica, eléctrica y contra incendios de protección mecánica, contra descargas eléctricas y contra el peligro de incendios.
  • Page 11 Instruções gerais de segurança: LEIA AS INSTRUÇÕES DE SEGURANÇA Manutenção: Estes produtos não são podem ser submetidos a manutenção por parte do cliente. Apenas a TDK-Lambda UK LTD e os seus agentes autorizados têm permissão para realizar reparações. Componentes essenciais: Não é...
  • Page 12 Existe um fusível interno que protege a unidade e que não deve ser substituído pelo utilizador. Em caso de defeito interno, a unidade deve ser devolvida à TDK-Lambda UK LTD ou a um dos seus agentes autorizados. O equipamento de utilização final deve fornecer um bastidor com protecção mecânica, eléctrica e contra incêndios adequada.
  • Page 13 TDK-Lambda GWS 2 Series INSTRUCTION MANUAL BEFORE USING THE POWER SUPPLY UNIT Pay attention to all warnings and cautions before using the unit. Incorrect usage could lead to an electrical shock, damage to the unit or a fire hazard. WARNING and CAUTION ...
  • Page 14 TDK-Lambda GWS 2 Series INSTRUCTION MANUAL 1. Model name identification method (*1) GWS 250 – 12 / blank: Standard type Option (*1) Power up to 350W with system airflow of 20cfm minimum and air blowing in from Rated Output Voltage...
  • Page 15 TDK-Lambda GWS 2 Series INSTRUCTION MANUAL 2-2. CN1 Connector Pin Configuration and Function Configuration Function DC_OK DC_OK signal is an open collector output signal, refer- enced to pin2 (COM). As the output voltage drops, DC_OK signal will output “High”. Return loop for DC_OK signal.
  • Page 16  Connect FG terminal to ground terminal of the equipment.  Remote ON/OFF control lines shall be twisted or use shielded wire.  Output current for each terminal screw shall be less than 30A. GWS250  Basic Connection  DC_OK output signal required Connect “CNT+”...
  • Page 17 Input voltage which is out of specification, may damage the unit. For cases where conformance to various safety specs(UL,CSA,EN) are required, input voltage range will be 100~240VAC (50/60Hz ). Note : GWS250 series is able to withstand Input Surge of 300VAC for 5 seconds. 4-2. Output Voltage Range V.ADJ trimmer is for output voltage adjustment within the range of specifications.
  • Page 18 TDK-Lambda GWS 2 Series INSTRUCTION MANUAL 4-6. Low Output Detection Circuit (DC_OK) Low output voltage detection circuit is provided. DC okay (DC_OK) signal will turn “High” level to indicate abnormal status when the output voltage becomes less than approximately 80% of rated value caused by either the drop or brownout of the input voltage or OCP, OVP and OTP function generation.
  • Page 19 TDK-Lambda GWS 2 Series INSTRUCTION MANUAL 4-8. Output Ripple & Noise Ripple & noise are measured at 20MHz by using a 300mm twisted pair of load wires terminated with a 0.1uF film capacitor & 47uF electrolytic capacitor. When load lines are longer, ripple becomes larger. The output ripple cannot be measured accurately if the probe ground lead of oscilloscope is too long.
  • Page 20 TDK-Lambda GWS 2 Series INSTRUCTION MANUAL 4-11. Output Voltage External Control (PV) Output voltage external control function is available. Output voltage can be varied by applying an external voltage (3–6V) to “PV” terminal and “COM” terminal. Please consider the following characteristics.
  • Page 21 TDK-Lambda GWS 2 Series INSTRUCTION MANUAL 4-12. Battery Charging (/BAT) option An option model for battery charging operation is available. It comes in two output voltages namely; 24V & 48V with ex-factory setting of 29V & 58V respectively. However, in conjunction with the Vadj and PV functions, the output voltage can be set to the range shown on the charts below.
  • Page 22 Within the rated peak output current Duty: not more than 35%  Duty = ---- x 100 (%)  x ---- < Irms max Applicable model for Peak Output Power : Model Irms max. GWS250-24 7.40 A GWS250-36 4.97 A...
  • Page 23 TDK-Lambda GWS 2 Series INSTRUCTION MANUAL 4-14. Auxiliary Supply Auxiliary supply (5V, 0.3A max) is provided to ease customer application. Aux voltage is always available as long as input power in the specified voltage range is present. 4-15. Output Dynamic Load Response During output dynamic load test from no load condition, the output voltage level might experience a higher voltage dip of 15% (typ).
  • Page 24 TDK-Lambda GWS 2 Series INSTRUCTION MANUAL 5-2. Withstand Voltage This series is designed to withstand 3.0kVAC between input and output, 1.5kVAC between input and FG (chassis) and 500VAC between output and FG (chassis) each for 1 minute. When testing withstand voltage, set current limit of with- stand voltage test equipment at 20mA ( Output-FG (chassis) : 100mA ).
  • Page 25 TDK-Lambda GWS 2 Series INSTRUCTION MANUAL 6. Mounting Directions 6-1. Output Derating according to the Mounting Directions (a) Convection cooling, without external airflow (Standard type) Recommended standard mounting is Method ( A ). Methods ( B ), ( C ) and ( D ) are also possible.
  • Page 26 TDK-Lambda GWS 2 Series INSTRUCTION MANUAL (b) Forced air cooling, (/P option) External airflow of at least 20cfm and air blowing in from the opposite side of the input/output connectors. Recommended standard mounting is Method ( A ). Method ( B ) is also possible.
  • Page 27 Series INSTRUCTION MANUAL 6-2. Output Derating according to ambient temperature and input voltage (A) GWS250 series Output Derating versus Ambient Temperature The system is convection cooling. In the following derating curve, the maximum output current is denoted as 100%. Output Derating versus Ambient Temperature (Convection Cooling)
  • Page 28 TDK-Lambda GWS 2 Series INSTRUCTION MANUAL (B) GWS250 series Output Derating versus Input Voltage The system is convection cooling. In the following derating curve, the maximum output current is denoted as 100%. Output Derating versus Input Voltage (Convection Cooling) Load (%)
  • Page 29 TDK-Lambda GWS 2 Series INSTRUCTION MANUAL (C) GWS250/P series Output Derating versus Ambient Temperature The system is forced air cooling with external airflow of at least 20cfm and air blowing in from the opposite side of the input/output connectors. Airflow (≥...
  • Page 30 TDK-Lambda GWS 2 Series INSTRUCTION MANUAL The Output Derating with external fan depends on the airflow conditions and the temperature rise for the components. The method stipulated below provide a way to decide for the safe operation of this power supply. As shown, this table provides a list of the maximum temperature allowed for specified components.
  • Page 31 TDK-Lambda GWS 2 Series INSTRUCTION MANUAL 6-3 Mounting Method This is convection cooling type power supply. In consideration of the heat radiation and safety, please keep a dis- tance of more than 15mm between the power supply and the peripheral parts. When lining up multiple units, please make sure to place them 5mm or more apart from each other.
  • Page 32  Both wires must be as thick and short as possible to have lower impedance.  Noise can be reduced by connecting a film capacitor with 0.1uF capacitance across the load terminals.  For safety and EMI considerations, connect the FG terminal of GWS250 series to mounting set ground terminal.
  • Page 33 This product is under warranty for 5 years (based on 24 hours/day operation) from the date of shipment. During the warranty period, TDK-Lambda will, at it’s option, either repair or replace products prove to be defective. Warranty applies but not limited to the following.