PS1112S User`s Manual
Contents
1. All Rights Reserved CAEN ELS d o o Rev 1 3 December 2014 PS1112S User e Manual O CAEN ELS d o o Kra ka ulica 2 6210 Se ana Slovenija Mail info Qcaenels com Web www caenels com PS1112S User e Manual Table Of Contents E INIRODUU TOM EE 8 1 1 THE PS1112S POWER SUPPLY esse ee ee ia a nds dd va Ge ee ee o 8 1 2 THE PS1112S AT A GLANCE ee ee ee ee ee ee ee aaa ee ee aaa aaa aaa aaa aaa 9 1 3 TECHNICAL DATA EE 10 AE LE TEE EE N me ap EE EE N OE cee N mrena 11 2 1 INJURY PRECAUTIONS 00 55 gli id oe en i i ai a Di ie 11 2 2 UN TI I L L LL LL 11 2 3 INPUT RATINGS i aaa ee ee ee 12 2 4 LIVE CIRCUITS _ nn 12 2 5 PART REPLACEMENT AND MODIFICATIONS NNN 12 3 VO CON EE N ese 13 3 1 AG LINE MPURCONNEC TO EE ME 13 3 2 OUR U AE S Ee N 14 3 3 nail Ee N 15 3 4 RAAB 15 3 5 MOUNTING POSITION cccccececcececcececcececcscscescecescececescecescpensencasescesescncteces 16 4 TECHNICAL SPECIFICATIONS u ccccscscccccsccsccccccccccccccccccccoscees 18 5 CAL DIME NSTONSG cccccccccscesccccsccscccccccsccsccccsc FAA 19 6 OUTPUT CURRENT DERATING cecccccecscccccccsccccccersces 20 7 ORDERING CODES SESSE ESE eee 21 PSI112S User s Manual Document Revisions October 24 2014 October 29 2014 Manual graphics changed MO S December 2 2014 Updated the pin out of the Output DC connector to match the names used in the datas2. manufacture and intended use of this equipment and may impair the built in protections within CAEN ELS d o o shall not be liable for user s failure to comply with these requirements To avoid electrical shock or fire hazard do not apply a power to a load that is outside the rated conditions Do Not Operate Without Covers To avoid electric shock or fire hazard do not operate this product with covers or panels removed Do Not Operate in Wet Damp Conditions To avoid electrical shock do not operate this product in wet or damp conditions Do Not Operate in an Explosive Atmosphere To avoid injury or fire hazard do not operate this product in an explosive atmosphere Do Not Operate With Suspected Failures OO ooo Safety PS1112S User s Manual If you suspect there is damage to this product have 1t inspected by qualified service personnel 2 3 Input Ratings Do not use AC supply which is outside the limits for the input voltage and frequency ratings of this instrument For input voltage and frequency rating of the module see Table 3 For safety reasons the mains supply voltage fluctuations should not exceed above voltage range 2 4 Live Circuits No internal adjustment or component replacement is allowed to non CAEN ELS d o o personnel Never replace components with power cables connected In order to avoid injuries always disconnect power plugs let circuits discharge and remove external voltage source before
3. touching components wait 10 min at least 2 5 Part Replacement and Modifications Parts substitutions and modifications are allowed by authorized CAEN ELS d o o service personnel only r O PS1112S User s Manual I O Connectors 3 HO Connectors This chapter describes the I O connectors their corresponding pinout and their functionality 3 1 AC Line Input Connector The AC Line Input connector is in a standard IEC Male Socket as shown in Figure 3 The PS1112S power supply is designed for universal AC input voltage range since it can operate with voltage from 90V to 260V and input frequency from 47 to 63 Hz Under the value of 115V AC Mains input the Power Supply is subject to current i e power de rating See Output Current Derating chapter for further details Figure 3 AC Line input connector I O Connectors PS1112S User s Manual 3 2 Output Output DC voltage is made available through a 3 pole connector with a screw locking The pin out of the connector frontal view is shown in Figure 4 Pin 4 Pin 3 gt lt Pin 1 Figure 4 Output DC Connector TE 1838839 1 The output connector has the following pin out PS1112S ER AVA Table 2 PS1112S output D connector pin out In the same package of the power supply PS1112S there 1s also a mating un terminated cable that can be terminated with the desired connector GEES PS1112S User s Manual I O Connectors 3 3 Status LED On a late
4. Maximum Output Current 12V 1 2A S e 0 003 RMS DC 1MHz N Output Ripple oise 0 025 p s DC 1MHz AC Line Voltage Input 90 260 Vac AC Line Frequency 47 63 Hz Input to Output Isolation 3kV Output to Earth Case Isolation 500V Hold up time 16 ms typ at 115 Vac Cooling Natural convection Dimensions 136 4 x 41 x 90 7 mm Y Cable length CT I and CT V 3m Output short circuit Output over voltage Operating Temperature Range 0 C 50 C Table 3 PS1112S power supply main specifications Protections ES PS1112S User s Manual Mechanical Dimensions 5 Mechanical Dimensions The PS1112S low noise power supply mechanical dimensions are hereafter shown 4125 Figure 9 Mechanical drawings Output Current Derating PS1112S User s Manual 6 Output Current Derating Current 100 80 90 115 260 Input Voltage V Figure 10 Output current versus input voltage at 60 Hz Current 100 50 45 60 Ambient T C Figure 11 Output current versus ambient temperature a O PS1112S User s Manual Ordering Codes 7 Ordering Codes The PS1112S power supply can be ordered using the following product code and Ordering Code Model Ordering Code Description PS1112S AC DC Single Output Single Voltage PS1112S T WPS1112STXAA 12V Low Noise Power Supply 14 4W max with 1 5m power jack 2mm cable
5. es could corrupt measuring noise accuracy and precision The power supply is housed in a robust and compact stainless steel box that can be placed next to the supplied device in order to reduce cable lengths and minimize consequent possible noise pick up These power supplies are particularly designed for operation with the following CAEN ELS devices e TetrAMM Picoammeter e PreDAC All the above cited devices combined with a PS1112S low noise voltage power supply guarantee their rated specifications PS1112S User e Manual Introduction 1 2 The PS1112S at a Glance The PS1112S linear power supply and its I Os are represented in Figure 1 Output DC AC Line Input Power Good LEDs monitor Figure 1 overall view of a PS1112S power supply The PS1112S is an isolated power supply with a 3 pole output connector specifically designed to supply low current and precision instrumentation The AC Power Line input 1s placed on the left side of the box while the output connectors on the right side LED monitor indicating the presence of the output voltage is placed on the front side The PS1112S has a standard 12V output voltage as indicated in the following Table 1 Positive Output Voltage PS1112S 2 V 1 2 Table 1 output voltage and current values Introduction PS1112S User s Manual 1 3 Technical Data The PS1112S power supply has an output voltage accuracy of 43 1 e from 11 64 V to 12 36 V Maxim
6. heet 1 December 30 2014 Updated ordering option Table 1 0 1 1 1 2 3 PSI112S User e Manual Safety information Warnings CAEN ELS will repair or replace any product within the guarantee period if the Guarantor declares that the product is defective due to workmanship or materials and has not been caused by mishandling negligence on behalf of the User accident or any abnormal conditions or operations Please read carefully the manual before operating any part of the instrument Z WARNINGZ High voltage inside do NOT open the boxes CAEN ELS d o o declines all responsibility for damages or injuries caused by an improper use of the Modules due to negligence on behalf of the User It is strongly recommended to read thoroughly this User s Manual before any kind of operation CAEN ELS d o o reserves the right to change partially or entirely the contents of this Manual at any time and without giving any notice Disposal of the Product The product must never be dumped in the Municipal Waste Please check your local regulations for disposal of electronics products PS1112S User s Manual Read over the instruction manual carefully before using the instrument The following precautions should be strictly observed before using the PS1112S CAUTION Do not use this product in any manner not specified by the manufacturer The protective features of this product may be impaired if it is used in a manner not specif
7. ied in this manual Do not use the device if it is damaged Before you use the device inspect the instrument for possible cracks or breaks before each use Do not operate the device around explosives gas vapor or dust Always use the device with the cables provided Turn off the device before establishing any connection Do not operate the device with the cover removed or loosened Do not install substitute parts or perform any unauthorized modification to the product Return the product to the manufacturer for service and repair to ensure that safety features are maintained This device is designed for indoor use and in area with low condensation PS1112S User s Manual The following table shows the general environmental requirements for a correct operation of the instrument Environmental Conditions Operating Temperature Operating Humidity Storage Temperature Storage Humidity Requirements 0 C to 50 C 30 to 85 RH non condensing 10 C to 60 C 5 to 90 RH non condensing Introduction PS1112S User s Manual 1 Introduction This chapter describes the general characteristics and main features of the PS1112S low noise power supply 1 1 The PS1112S Power Supply CAEN ELS PS1112S is a single output 12V mixed switching linear power supply that is designed in order to obtain low noise operation and high efficiency and it is especially suited for measurement systems where switching power suppli
8. ral side of the power supply two LEDs turn off whenever the 12V is not correctly regulated on the output cable PB11125 eo 260 vw D 465 440 biz TT 1 1 TOR 0 35 ARMS MAX OUTPUT 12 v 1 2 a Tot Power 14 4 vu CE A Date in mu ne AE mue see 12V Power Good LED Figure 5 LED indicators for output voltage 3 4 Fixing On the bottom side of the PS1112S four threaded M3x4mm holes can be used for fixing the power supply These are indicated in the following Figure 6 M3 x 4mm Figure 6 Threaded holes position on the PS1112S bottom I O Connectors PS1112S User s Manual 3 5 Mounting position PS1112S shall NOT be mounted in the two following positions e bottom side of the box fixed to the celling Figure 7 e lateral side of the box that present ten ventilation holes faced to the top Figure 8 The RECOMMENDED mounting positions for increasing the heat dissipation and increasing reliability and life time are e bottom side of the box fixed to the floor e lateral side of the box that present twenty ventilation holes faced to the top Figure 7 Ceiling mounting NOT allowed ER PS1112S User s Manual Figure 8 oles faced I O Connectors 17 Technical Specifications PS1112S User e Manual 4 Technical Specifications Technical Specifications for the PS1112S linear power supplies are presented in the following Table 3 Technical Specifications PS1112S Output Voltage 3 12 V
9. um peak to peak voltage noise measured at the device output terminals is rated at 4 mV This value is measured over a MHz bandwidth using a LeCroy MSO 44MXs B 400MHz 5GS s with AC Coupling at full load A typical output waveform used to estimate the peak to peak noise value is shown in Figure 2 a Measure Pi sdevit P2 P3 P4 P4 PE value 442 UV status w 4 00 mVidit 500 psidiv Stop 1 45 V 2 300 mi 1 00 M8 200MS sfEdge Negative TELEDYNE LECROY 9 2 2014 10 06 06 AM Figure 2 typical output noise AC coupling The PS1112S outputs are floating respect Earth up to 500V protected against short circuit and from over voltage CR PS1112S User s Manual Safety 2 Safety 2 1 Injury Precautions Prior to shipment this system was inspected and found free of mechanical or electrical defects Upon unpacking of the system inspect for any damage which may have occurred in transit The inspection should confirm that there is no exterior damage to the system suchas broken connectors This section contains the fundamental safety rules for the installation and operation of the system Read thoroughly this section before starting any procedure of installation or operation 2 2 Caution The following safety precautions must be observed during all phases of Operation service and repair of this equipment Failure to comply with the safety precautions or warnings in this document violates safety standards of design
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