RECTIFIER PSR327 USER MANUAL
Contents
1. PSR327 220 12 5 Material code AC input Nominal input voltage Nominal input current Input frequency range 101 027 158 00 t 230 Vac 20 12 9 Aac 16 60 Hz 5 t 101 027 168 00 101 027 178 00 101 027 188 00 Power factor gt 0 99 P gt 50 Total harmonic distortion lt 5 E e Efficiency 291 Internal input fusing 16A 6 3x32mm DC output Nominal output voltage 48 Voc 60 Voc 108 Voc 216 Voc Nominal output current 56 Anc 48 V 45 Anc 60 V 25 Anc 108 V 12 5 Aoc 216 V Nominal output power 2700 W Charge characteristic line IV characteristic according to DIN41772 DIN41773 power limited Adjustable output voltage 42 62 Voc 52 5 78 Voc 87 150 Voc 170 295 Voc range Default value of the charging 54 5 Voc 68 1 Voc 122 6 Voc 245 2 Voc voltage factory set 2 27 V cell lead acid battery Output over voltage Vo gt 60 Voc 75 Voc 135 Voc 270 Voc factory set 2 5 V cell lead acid battery Output under voltage Vo lt 40 8 Voc 51 Voc 91 8 Voc 183 6 Voc factory set 1 7 V cell lead acid battery Default threshold values for charging of NiCd batteries are settable using a CAN dongle and PC software Voltage ripple 20 mVpp psophometric acc to CCITT A lt 1 8 mV 20 mVpp 100 mVpp 200 mVpp 2 0 mV n a n a Dynamic accuracy of the charge voltage lt 3 Vnom at load changes between 10 90 10 Inom transient time lt 1 5 ms S2. RECTIFIER PSR327 USER MANUAL ovan J 3 EIPSR327 N0VDE Eltek_UM_PSR327_21TE_E_R6 0 Rectifier IR A ELTEK PSR327 alwayson User Manual Page 2 20 Notes to this manual ATTENTION Read this manual very carefully before installing and commissioning the specified module This manual is a part of the delivered module Familiarity with the contents of this manual is required for installing and operating the specified module The rules for prevention of accidents for the specific country and the general safety rules in accordance with IEC 364 must be observed The function description in this manual corresponds to the date of publishing Technical changes and changes in form and content can be made at any time by the manufacturer without notice There are no obligations to update the manual continually The module is manufactured in accordance with applicable DIN and VDE standards such as VDE 0106 part 100 and VDE 0100 part 410 The CE marking on the module confirms compliance with EU standards 2006 95 EG low voltage and 2004 108 EG electromagnetic compatibility if the installation and operation instructions are followed Supplier ELTEK DEUTSCHLAND GmbH BU Industrial Schillerstra e 16 D 32052 Herford amp 49 0 5221 1708 210 FAX 49 0 5221 1708 222 Email Info industrial eltek com Internet http www eltek com Please note No part of this document may be reproduced or transmitted in a
3. PSR327 8 1 fully Figure 2 DC Power Rack DCR PSR327 10 8 fully equipped with three PSR327 rectifiers equipped with four PSR327 rectifiers and one UPC3 DC controller 2011 ELTEK DEUTSCHLAND GmbH Eltek_UM_PSR327_21TE_E_R6 0 Rectifier ELTEK PSR327 always on User Manual Page 8 20 3 3 Front view Front side LED panel The PSR327 rectifier is equipped with the following four LED indicators INPUT OK OUTPUT OK Vout gt ALARM For more information about the LED indicators see section 4 4 please Two captive screws are used for each module to secure it to the sub rack components of the module Figure 3 Front view 2011 ELTEK DEUTSCHLAND GmbH Eltek_UM_PSR327_21TE_E_R6 0 Rectifier IR A ELTEK PSR327 alwayson User Manual Page 9 20 3 4 Rear Side Connection The rear side male connections AC input voltage DC output voltage and signals are shown in figure 4 and are defined in the table below 19c 17c 15c 13c 20c 18c 416c 14c 31b 28b 25b 22b 20a 18a 16a 14a 11b 8b 5b 2b 19a 17a 15a 13a Figure 4 Male connectors shown from the rear side of the module Pin assignment of the rear side connector 2b L1 Input 5b N Input 8b 11b PE 13a CAN CVSS 13c output voltage sense link 14a CAN H 14c CAN L 15a 15c CAN CVCC 16a AGND 16c E 17a Hardwarecoding CODE 17c _ Hardwarecoding CODE 18a __ Collective Al
4. approx 3 9 kg VE i Type of enclosure IP20 front panel 1 Protection class Colour Front panel RAL 7035 neutral black print RAL 9005 Compliances CE conformity yes e Compliance to safety EN60950 1 VDEO100 T410 VDEO110 EN50178 EN60146 standards Compliance to EMC EN55022 24 ITE class AT EN61000 4 T2 5 standards 2011 ELTEK DEUTSCHLAND GmbH Eltek_UM_PSR327_21TE_E_R6 0 Rectifier ELTEK PSR327 alwayson User Manual Page 19 20 8 1 Dimensional Drawings 106 3 mm 326 5 mm Figure 8 Module dimensions 2011 ELTEK DEUTSCHLAND GmbH Eltek_UM_PSR327_21TE_E_R6 0 W ELTEK alwayson Supplier ELTEK DEUTSCHLAND GmbH BU Industrial Schillerstra e 16 D 32052 Herford T 49 0 5221 1708 210 FAX 49 0 5221 1708 222 Email Info industrial eltek com Internet http www eltek com 2011 ELTEK DEUTSCHLAND GmbH All rights reserved
5. ee tne aa aaaea anaia 5 1B Electric Waste LIS OOS E 5 2 Generalinformatio Penner ee teeter ne ere rem tate een 6 3 Type Range Equipment eegene eek 6 3 1 Main DIE LEs E 6 3 2 Available Options and Assembly Equipment seen 7 3 3 Front view Front side LED panel ss 8 3 4 Rear Side COnne Chon asin ss ee nebenbei 9 3 5 Cooling and Alf FOWDIFECHON E 10 3 6 Communication Interface E 10 AM 11 e Ee ei 11 LEES EIERE 11 See e e ale EE 11 4 3 Charge Characteristic Output Power Diagram sen 12 44 LED AT IE ele TEE 13 25 NES AL MONIEQTIAR ae 13 4 6 Threshold amp Default Values sise 14 4 7 Default value setting for NiCd batteries sen 14 SAS AE Lt pe eg EEE ER EE 18 SG 1050 een EE 15 7 Troubleshooting nee ee 16 BTA Eege ee 17 8 1 Dimensional Drawingsa 2 ee dla nee entend init 19 Index of Figures Figure 1 DC Power Rack DCR PSR327 8 1 nn nee 7 Figure 2 DC Power Rack DCR PSR327 10 8 ENNEN 7 Fjeure 3 eu 8 Figure 4 M le connetto S esnai iania a adadda ragai 9 Figure 5 Module r HOW vseen tiana aaia aTa i aa i aani a iaa araba A SEa AAEN aada 10 Figure 6 Output power diagram example PSR327 48 56 rennes 12 Figure 7 Screenshot PC software for CAN Dongle een 14 Figure 8 Module dimensions zerari aa iadi i daard aadi aiaia eaa 19 2011 ELTEK DEUTSCHLAND GmbH Eltek_UM_PSR327_21TE_E_R6 0 Rectifier IR A ELTEK PSR327 alwayson User Manual Page 5 20 1A Safety Instructions AN Warning Because several compone
6. 11 ELTEK DEUTSCHLAND GmbH Eltek_UM_PSR327_21TE_E_R6 0 Rectifier IR A ELTEK PSR327 alwayson User Manual Page 11 20 4 Handling 4 1 Storage Modules must be stored in a dry dust free environment with a storage temperature in accordance with the specific technical data see section 8 4 2 Commissioning Note Before commissioning the module make sure that the input voltage corresponds to the input voltage range of the unit as specified on the type plate and that the output voltage of paralleled units matches Carefully unpack the unit Fill the rack beginning with the left slot Put the unit into an empty slot Carefully slide in the unit until the module connector touched the backplane connector Increase the force until the unit fits in completely Avoid using too much force If the unit does not fit in begin again at step 3 Secure the module using the two captive screws M3x12 provided with the module Switch ON the module by external MCB mio SE Note The PSR327 is serially equipped with an internal output side decoupling diode This ensures hot plug in capability for the module and enables the operator to add modules under operating conditions Note Before a module is to be removed it must be switched off by the external input fuse Caution After switching off the module the internal capacitors are still fully charged Do not touch connector pins as they can still be charged with dangerous voltage af
7. Code DC Power Rack DCR PSR327 8 1 LV assembly set 19 sub rack 3U incl backplane for three PSR327 48 V or 60 V rectifiers and one 102 327 318 LV01 UPC3 48 60 V DC controller DCC CB1 connection board included DC Power Rack DCH PSR327 8 1 HV assembly set 19 sub rack 3U incl backplane for three PSR327 110 V or 220 V rectifiers and one UPC3 110 V or 220 V DC controller DCC CB1 connection board included 102 327 318 HVOL DC Power Rack DCR PSR327 10 8 LV assembly set 19 sub rack 3U incl backplane for four PSR327 48 V or 60 V rectifiers TOPIA ACEN DC Power Rack DCR PSR327 10 8 HV assembly set 19 sub rack 3U incl backplane for four PSR327 110 V or 220 V rectifiers EE Cover plate with handle to cover empty PSR slots 1 4 x 19 3U RAL 7035 881 MEC BPL 03 21 B Monitoring control and signalling unit DC controller UPC3 48 60 V 301 003 598 02 Monitoring control and signalling unit DC controller UPC3 110 V 301 003 798 02 Monitoring control and signalling unit DC controller UPC3 220 V 301 003 898 02 DCC CB1 connection board with MSTB screw terminals necessary to connect all measuring control and signalling wires over the 302 DCC CB1 00 backplane of the sub rack to the control unit UPC spare part CAN dongle incl PC software necessary to change the internal default values of the rectifier e g for NiCd application Say ANG Figure 1 DC Power Rack DCR
8. Cooling fan Cooling fan malfunction Module automatically switches off After 30 sec the module automatically tries three times to restart If this fails the module switches off and must be manually restarted Short circuit For factory set output voltage threshold values see section 4 6 Module automatically detects short circuit operation by the output voltage value criteria Vout lt 83 of Vnom Module automatically switches off after 3 seconds After 30 seconds the module automatically tries to restart repeatedly 2011 ELTEK DEUTSCHLAND GmbH Eltek_UM_PSR327_21TE_E_R6 0 Rectifier IR A ELTEK PSR327 alwayson User Manual Page 14 20 4 6 Threshold amp Default Values The following table shows the factory set threshold default values which are internally stored in the PSR327 unit for lead acid batteries Default values 48 V version 60 V version 110 V version 220 V version Output voltage Vo Voc 54 5 68 1 122 6 245 2 Over voltage V gt Voc 60 0 75 0 135 0 270 0 Current limiting Iconst Apc 56 0 45 0 25 0 12 5 Note The threshold default values can only be changed in combination with a UPC DC controller unit If an UPC DC controller unit is controlling the power supply unit through the CAN Bus the charge voltage is completely controlled by the UPC based on its configuration values and momentary charge state for example temperature compensation boos
9. ad acid battery x Inom Voltage 56 M Max output power 2700W 52 a 40 C ambient temperature 48 44 40 Short circuit detection at 83 Vonom 36 E La module automatically switches off L WR after 3 seconds After 30 seconds the 32 Z module automatically tries to restart r mag repeatedly 28 an 24 m Green hatched aera Operating range of the module 20 I 16 12 8 I 4 I bx LIT l il f Li fa i 1 4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 Output current A max output current 56 25A 48Voc Figure 6 Output power diagram example PSR327 48 56 Calculation of the output current lo at different output voltage values using the PSR327 48 65 being the example The PSR327 rectifier provides an output power of Vonom x lonom Ponom 48 V x 56 25 A 2700 W As shown with the output power diagram see figure 6 the nominal output current 56 25 A is available at the nominal output voltage 48 0 V At other output voltage values e g float or boost charge voltage the output current is corresponding to the following formula lo Ponom Vo Example 1 Float charge voltage for lead acid batteries 24 cells 54 5 V lo 2700 W 54 5 V 49 5 A Example 2 Boost charge voltage for lead acid batteries 24 cells 57 6 V lo 2700 W 57 6 V 46 9 A 2011 ELTEK DEUTSCHLAND GmbH Eltek_UM_PSR327_21TE_E_R6 0 Rectifier PSR327 User Manual Page 13 20 QE ETEK 4 4 LED Indic
10. arm NC 18c Collective Alarm COM 19a __ Collective Alarm NO 19c 20a 20c output voltage sense link 22b Output 25b Output 28b Output 31b Output 2011 ELTEK DEUTSCHLAND GmbH Eltek_UM_PSR327_21TE_E_R6 0 Rectifier IR A ELTEK PSR327 alwayson User Manual Page 10 20 3 5 Cooling and Air Flow Direction The unit is cooled with an internal fan The airflow is from the front to rear side The fan is monitored and speed controlled dependent on module temperature To provide sufficient air flow a minimum space see item A in figure 5 of 50 mm is required between the unit and the rear cabinet wall as well as an unobstructed supply of air to the front of the module Figure 5 Module air flow 3 6 Communication Interface The PSR327 rectifier is equipped with a serial data interface in accordance with the Controller Area Network CAN specification The CAN Bus connection is integrated in the rear side connector Several modules in a system or parallel connection can be controlled and monitored through the CAN Bus by a central UPC DC controller unit The following parameters of a specific rectifier unit can be controlled or monitored Output voltage Output current Device temperature Device status Furthermore the rectifier unit receives all threshold values through the CAN Bus from the DC controller unit 20
11. ations Functions of front panel LED indicators LED Colour Function INPUT OK Mains input voltage okay 2 green criteria 195 Vac lt Vn lt 265 Vac v green OUTPUT OK Vout ok criteria Vout 297 of adjusted value A red Vout gt criteria Vout 2 than adjusted operating threshold A ALARM Collective alarm Vin incorrect Vout incorrect module A red i a overtemperature fan failure and short circuit For factory set output voltage threshold values see section 4 6 The module is equipped with an isolated signalling contact normally open contact The maximum load is 60 Voc 500 mA The contact is time delayed and reacts after approx 10 sec 4 5 Internal Monitoring Monitored values AC input voltage Criteria LI Mains input voltage 164 V lt Vn lt 195V Function Linearly decreases output power Il Mains input voltage lt 164 V Module automatically switches off Ill Mains input voltage gt 184 V IV Mains input voltage gt 275 V Module switches on Module switches off self locking It must be manually restarted DC output voltage Output voltage higher than the adjusted operating threshold Module automatically switches off self locking The unit must be manually restarted Module temperature Heat sink temperature 280 C Module automatically switches off It automatically switches on when the heat sink cools down to 70 C
12. e Uout Ok in 5 7 klo l CAN Device Text Kl KTRAD Temperature adjustment EEPROM Start Adr Word 201 k 2 I k 3 KUN Measurement Voltage adjustment Read all k 4 KUIZ Measurement Voltage adjustment EKD k 5 kIO Output Current adjustment Typ k 6 n u I kl nu I Material ID CAN Adr CAN Address gt 0 gt Backplane adr Off Serial Number kUa Set Output Voltage PWM kla Set Output Current PWM HWild EEPROM 172 free Address SWild Typ I Version l Installation Date Running Number I Show Telegram Figure 7 Screenshot PC software for CAN Dongle 2011 ELTEK DEUTSCHLAND GmbH Eltek_UM_PSR327_21TE_E_R6 0 Rectifier IR A ELTEK PSR327 alwayson User Manual Page 15 20 5 External Functions If the rectifier works together with a UPC DC controller unit the following external functions can be used e Compensation of output voltage e Temperature compensation of charge voltage e Discharge test e Boost charge mode For more information about these functions read the UPC user manual 6 Maintenance In general the module is maintenance free Exclusively the fan is a component consisting of moving parts By way of precaution a yearly inspection with following checks is recommended e Mechanical visual inspection e Removal of dust and dirt especially on radiator surfaces e Check for internal dust or humidity It is recommended to exchange the fan every five years Attention Dust combined
13. hort circuit protection Continuous short circuit proof 1x Inom 2011 ELTEK DEUTSCHLAND GmbH Eltek_UM_PSR327_21TE_E_R6 0 Rectifier IR A ELTEK PSR327 alwayson User Manual Page 18 20 Type designation PSR327 48 56 PSR327 60 45 PSR327 110 25 PSR327 220 12 5 Parallel operation Yes max 48 units with UPC DC controller unit current sharing lt 10 Inom sloping output voltage line 1 at 100 Inom Internal decoupling at the Yes active low Yes inthe output loss decoupling positive output circuit in the line negative output line Internal output fuse 80 A 80 A 30 A 20 A Standard Features LED signalling Input OK green Vo OK green Vo gt red Alarm red Main processor 16Bit Fujitsu Isolated signalling contact Collective alarm relay COM NO NC maximum contact load 60Voc 500mA Communications interface CAN Bus proprietary protocol Environmental Ambient temperature Operation 20 C to 55 C storage 40 C to 85 C Climatic conditions according to IEC 721 3 3 class 3K3 3Z1 3B1 3C2 3S2 3M2 Max installation altitude 1500 m Audible noise lt 45 dB A E Mechanical Type of construction x 19 3U e Cooling Fan cooling temperature controlled r p m monitored Connector AC input DC output and signals DIN41612 M connector Dimensions W H D 106 3 133 326 5 mm Minimum installation depth 438 mm in combination with an assembly set 19 sub rack Weight
14. nts of operating electrical modules are charged by dangerous voltage the improper handling of electrical modules may be the cause of accidents involving electrocution injury or material damages e Operation and maintenance of electrical modules must be performed by qualified skilled personnel such as electricians in accordance with EN 50110 1 or IEC 60950 e Install the module only in areas with limited access to unskilled personnel e Before starting work the electrical module must be disconnected from mains Make sure that the module is earthed e Do not touch connector pins as they can be charged with dangerous voltage up to 30 seconds after disconnection e Only spare parts approved by the manufacturer must be used 1B Electric Waste Disposal Separate collection is the precondition to ensure specific treatment and recycling of waste electrical and electronic equipment and is necessary to achieve the chosen level of protection of human health and the environment In the case of waste disposal of your discarded equipment we recommend to contact a waste management company 2011 ELTEK DEUTSCHLAND GmbH Eltek_UM_PSR327_21TE_E_R6 0 Rectifier IR A ELTEK PSR327 alwayson User Manual Page 6 20 2 General Information The PSR327 rectifier rectifies sinusoidal AC input voltage to DC output voltage The PSR327 is a hot plug in module with rear side connectors and is designed to be mounted in an assembly set 19 s
15. ny form or by any means electronic or mechanical including photocopying and recording for whatever reason without the explicit written permission of Eltek Deutschland GmbH Changes and errors excepted 2011 ELTEK DEUTSCHLAND GmbH All rights reserved 2011 ELTEK DEUTSCHLAND GmbH Eltek_UM_PSR327_21TE_E_R6 0 Rectifier IR A ELTEK PSR327 alwayson User Manual Page 3 20 The current revision status of this user manual is the following Revision 6 0 Date 2010 11 23 Revision Description of change Writer Date First edition 2007 11 06 2008 01 04 Minor text modifications Minor text modifications sections Commissioning Output power diagram and Monitoring reworked Minor text modifications Index of figures inserted new SES revision status numbering X X introduced en RTH 2008 04 10 Section 4 2 1 Start up behaviour inserted Technical specifications Adjustable output voltage range changed Section 4 5 Monitoring reworked Minor text modifications section 4 7 Default value setting for pe NiCd batteries inserted ad Technical specifications Internal decoupling circuit corrected 2009 07 24 en Input frequency range updated em 2010 11 23 2009 04 29 2009 05 15 2011 ELTEK DEUTSCHLAND GmbH Eltek_UM_PSR327_21TE_E_R6 0 Rectifier IR A ELTEK PSR327 alwayson User Manual Page 4 20 Contents TA Safety Merle lan aren enn rer
16. t charge or battery test That means that the values sent from the UPC over CAN Bus have top priority During CAN Bus communication the internally stored values of the rectifier are invalid But when the CAN Bus connection is inactive for more than five seconds e g due to trouble the PSR327 automatically switches back to the internally stored default values In this case it is ensured that the battery is charged in the float charge mode 4 7 Default value setting for NiCd batteries If the rectifier is to be used to charge NiCd batteries the default threshold values must be set according to the individual battery type using a CAN dongle and PC software see section 3 2 Available Options and Assembly Equipment A specific manual is available on request For the adjusting range of the output voltage please see section 8 Technical Specifications WS Set PSR PSC EEPROM V1 12 lo x PSR IPSC Read EEPROM PSR327 PSR316 PSR308 CAN Adr 1 E Usb Dongle State 1 IT On E Uout 100 Default Load Voltage I Simulate Monitoring Unit unVoltage Y100 Lower Voltage Range M A Voltage Man Upper Voltage Range Default PSRS27 em w 545 563 ovvolag PP K i g ex 10 10 1Mmax la 2 10 max Output Current PSRState I Status GKL Inclined Characteristic Line Voltage I Temp Lim K Upper Temperature Limit Current I hy Temp Lim K Temperature Hysteresis del UaDkCv Uout Ok in Temperature E I del UaOkC
17. ter disconnection 4 2 1 Start up behaviour When the PSR327 is switched on without CAN Bus connection first it provides a start up voltage according to the table below The start up voltage is held for 60 seconds than the output voltage steps up to the internal default value PSR327 48 V version 60 V version 110 V version 220 V version Start up voltage VDC 45 0 55 5 97 5 192 0 Default value Vo VDC 54 5 68 1 122 6 245 2 If aDC controller unit UPC is integrated into the system it is powered with the start up voltage after the rectifier has been switched on The output voltage immediately steps up to the value given from the UPC unit via CAN Bus If aDC controller unit UPC is integrated into the system e g powered by the battery and due to this operating yet the rectifier directly provides the output voltage given from the UPC unit via CAN Bus 2011 ELTEK DEUTSCHLAND GmbH Eltek_UM_PSR327_21TE_E_R6 0 Rectifier IR A ELTEK PSR327 alwayson User Manual Page 12 20 4 3 Charge Characteristic Output Power Diagram The charge characteristic of the PSR327 is a power limited IV characteristic curve in accordance with DIN 41772 DIN 41773 For modules in parallel operation mode a load sharing of about 10 is attained due to a sloping output voltage line 1 at 100 Inom The module is continuous short circuit proof Output Boost charge voltage 57 6V Vout 1 sloping down p 60 le
18. ub rack see section 3 2 Due to the state of the art circuitry design the unit has very low losses and therefore very compact dimensions low weight and high power density The PSR327 rectifier can be used in all DC applications with or without battery The rectifier is delivered with factory set default values for lead acid batteries If the rectifier is to be used for NiCd batteries the default values must be parameterized accordingly using a CAN dongle and special software The nominal output power per unit is 2 7 kW Up to a maximum of 48 modules can be switched in parallel to increase the system output power or to build redundant power supply systems n 1 principle 3 Type Range Equipment PSR327 rectifiers according to the following table are available Type Designation Material Code Nominal Output Voltage Nominal Output Current PSR327 48 56 101 027 158 00 48 Voc 56 Apc PSR327 60 45 101 027 168 00 60 Voc 45 Apc PSR327 110 25 101 027 178 00 108 Voc 25 Apc PSR327 220 12 5 101 027 188 00 216 Voc 12 5 Apc 3 1 Main Data Nominal input voltage 230 Vac Nominal input current 12 9 Aac Input frequency range 16 60 Hz 5 Nominal output power 2 7 kW For more specific data see section 8 2011 ELTEK DEUTSCHLAND GmbH Eltek_UM_PSR327_21TE_E_R6 0 Rectifier ELTEK PSR327 alwayson User Manual Page 7 20 3 2 Available Options and Assembly Equipment Designation Material
19. with moisture or water may influence or destroy the internal electronic circuits Dust inside the unit can be blown out with dry compressed air The interval between the checks depends on ambient conditions of the installed module 2011 ELTEK DEUTSCHLAND GmbH Eltek_UM_PSR327_21TE_E_R6 0 Rectifier IR A ELTEK PSR327 alwayson User Manual Page 16 20 7 Troubleshooting Symptom Possible reason No output Is mains voltage present Check voltage gt Mains switched to ON position Check PSR327 module plugged in securely Check Incorrect polarity or short circuit at the output Check LED V gt on 1 Switch the module off and on 2 Check the settings for V gt see section 4 6 Deviation of the Is the unit operating in current limiting mode Reduce the load output voltage due to overload Is the output voltage setting Vout at the DC Adjust output voltage to nominal controller incorrect values see section 4 6 If an external sensor lead is used for the output Check voltage is the connection faultless If the unit still does not work even though all checks have been done contact your sales agent or the service department of ELTEK DEUTSCHLAND GmbH 2011 ELTEK DEUTSCHLAND GmbH Eltek_UM_PSR327_21TE_E_R6 0 Rectifier PSR327 User Manual Page 17 20 QE ETEK 8 Technical Specifications Type designation PSR327 48 56 PSR327 60 45 PSR327 110 25
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