A251x Series 50W LV Boards User Manual
Contents
1. ccccsccsccccsccsceccecccceccececcsccececcsceccsccscescesesceccececees 12 GENET al safety informati iainsesistavarcsasscsatoaessanssessdsseyaneuasesvacuasgeapsineeensrssadeadnavenedeadeanpsdedcsancoadeuahetabeetad Eni iii 12 Mury Precotto esee Eer S E I S E E O TOTOO O COE TETE O OOOO E OO E EEE E TOON 12 Safety Terms and Symbols on the Product cccccssssecccccsssececccceeseccccseenscceeseeuseeceesseeeceeseuueceesauaaeeeesseaaeeeessagasess 12 E EEL E EEE A ese EE T A TEE AA E T EE N T E E E EE ATE A 12 4 Operaune MODES sisser raian ae EEEE aaaea 13 Oulput controllano Monitoring aps ac etsc ses gtegy cect d aaa pea E E EEA EG 13 PID Proportional Integrative Derivative Parameters cccccccsssseccccecceesseecccececceeeseeeeeceesueeseeecceeeuuesseeeceeeesaueaeeeeeeeeeaggaeeeees 14 List of Figures Fig 1 Mod A251x series front panel 8 pin amp db 37 VErsiOn csseccccccccssssseccceceseesessecccceesueeseececeeseaesseeeceeesuuaseeeeeeeessuaeseeceeeesaanaeseess 6 Fig 2 Mod A251x with paralleled Channels cccsssscccccsssececceseccceceeesececcaaseceesaeeceessaeeceesaesseeceesaeseceesaeueceesaenecesseeeeceesaeageecessageeeeees 11 List of Tables Table 1 Channel characteristics of the A251x LV Boards cccccsssscccccssseceecesecccsaesecceseeeceesaeeeceesaeaeceeeseeeceesauaeseceesuaeecessaueeseesaneesessaees 5 3 UM2851 A251x Series 50W LV Boards User Manual CAEN Q Electronic Instrumentation2. d i E d ie TOO M WD j gt i P ih r BEN paii m ih po m ish rn ve ish z E m E or AEE a GI eo ht re we All adjacent channels can be paralleled with the exception of Channel 3 and 4 The pictured configuration shows e Channels 0 1 paralleled e Channels 2 3 paralleled e Channel 4 5 6 7 paralleled With this configuration the SYx527 system detects 3 channels 0 2 4 the lower channel index is assigned to the paralleled channels UM2851 A251x Series 50W LV Boards User Manual 10 11 CAEN Q Electronic Instrumentation Fig 2 Mod A251x with paralleled channels Once the Connection Keys are secured it is possible to put the shield in place Remember that at this point it is necessary to short circuit the paralleled channels output these connections must be made as close as possible to the connectors for both positive and negative voltages The same procedure is necessary for the Sense terminals UM2851 A251x Series 50W LV Boards User Manual CAEN Q Electronic Instrumentation 3 Safety and installation requirements General safety information This section contains the fundamental safety rules for the installation and operation of the board Read thoroughly this section before starting any procedure of installation or operation of the product Injury Precautions Review the following precautions to avoid injury and prevent damage to this product or any products connected
3. 1 A251x Series Overview The Mod A251x series are single width 5 TE wide boards housing 8 LV floating channels compatible with the CAEN Universal Multichannel Power Supply System SY1527 SY2527 SY3527 SY4527 SY5527 The floating return allows on load grounding reducing the noise level the floating channels are insulated from each other and from Ground up to 150 V Each output channel is provided with individual remote sensing lines to compensate for the voltage drop over the connection cables The Maximum channel power is 50 W connector output Channels can be connected in parallel with modularity 2 or 4 to obtain higher output power for 2 4 modularity Iset resolution is 100 mA and Imon resolution is 10 mA The available versions are the following Version A2517 A2518 A2519 Output Voltage 1 5 V 3 8 V 5 15 V Max Output Current 15A 10 A 5A The Output Voltage RAMP UP and RAMP DOWN Times may be selected independently for each channel in the 1 200 ms range 1 ms step Safety features include OVERVOLTAGE if a channel monitored voltage goes above the programmed Overvoltage threshold value OVVThr it is signalled to be in overvoltage and is switched off UNDERVOLTAGE when the monitored voltage goes below the programmed undervoltage threshold UNVThr the channel is switched off OVERCURRENT if a channel tries to draw a current larger than its programmed limit it is signalled to be in overcurrent and is switch
4. Contact closed between ST and ST when no FAIL is present on one Group channel 0 3 and 4 7 Contact open between ST and ST when FAIL is present on one Group channel 0 3 and 4 7 Level high on ST when no FAIL is present Square wave TTL grounded on ST when FAIL is present UM2851 A251x Series 50W LV Boards User Manual 8 CAEN Q Electronic Instrumentation Channels in parallel The A251x boards are provided with six Connection Keys four X keys and two Z keys that allow to connect the channels in parallel The X key allows to parallel two channels the Z key allows to parallel four channels As two or four channels are paralleled the system automatically recognizes the actual number of channels two or four paralleled channels are seen by the control software as one channel with double or quadruple output current and power In order to connect the channels in parallel follow these steps e Remove ONLY the screws as indicated orange circles I I I l I i H e Remove carefully the shield e Insert the Connection Keys between the channels to be paralleled o Each connection key is provided with 2x3 pin male strips two for X keys and four for Z keys X key Z key o The 2x3 strips must be plugged into the relevant sockets on A251x named J20 J27 see figure UM2851 A251x Series 50W LV Boards User Manual CAEN Q Electronic Instrumentation aai amnion 8 A r
5. Tools for Discovery CAEN SpA is acknowledged as the only company in the world providing a complete range of High Low Voltage Power Supply systems and Front End Data Acquisition modules which meet IEEE Standards for Nuclear and Particle Physics Extensive Research and Development capabilities have allowed CAEN SpA to play an important long term role in this field Our activities have always been at the forefront of technology thanks to years of intensive collaborations with the most important Research Centres of the world Our products appeal to a wide range of customers including engineers scientists and technical professionals who all trust them to help achieve their goals faster and more effectively CAEN S p A CAEN GmbH CAEN Technologies Inc Via Vetraia 11 Klingenstra e 108 1140 Bay Street Suite 2 C 55049 Viareggio D 42651 Solingen Germany Staten Island NY 10305 Italy Phone 49 0 212 254 4077 USA Tel 39 0584 388 398 Fax 49 0 212 25 44079 Tel 1 718 981 0401 Fax 39 0584 388 959 Mobile 49 0 151 16 548 484 Fax 1 718 556 9185 info caen it info caen de com info caentechnologies com www caen it www caen de com www caentechnologies com CAEN Q Electronic Instrumentation Tools for Discovery UM2851 A251x Series 50W LV Boards User Manual rev O 26 May 2014 00102 13 A2518 MUTX Copyright CAEN SpA All rights reserved Information in this publication supersedes all earlier versions Specifications subject t
6. 3 4 7 Function Out Channels 0 3 4 7 Service connector A251xA STATUS 4 7 Ng INT 4 7 See CIIIIIIIE C i a a a a a a a a a a a k Ba val Type FCI ICD26S13E4GVOOLF D Sub SKT 26 POS 2 28mm Type FCI ICD26S13E4GVOOLF D Sub SKT 26 POS 2 28mm Function Group Interlock insulated Group Status Function Group Interlock insulated Group Status insulated Status 0 3 4 7 VAUX DGND insulated Individual Interlock GND Individual Status GND VAUX DGND Interlock operation A251x One Group channels 0 3 and 4 7 can be ENABLED in one of the following ways Short circuit IT with DGND and IT with VAUX pins on service connector Send signal 4 6V SmA current between IT and IT A251xA One Group channels 0 3 and 4 7 can be ENABLED in one of the following ways UM2851 A251x Series 50W LV Boards User Manual CAEN Q Electronic Instrumentation Short circuit IT with DGND and IT with VAUX pins on service connector Send signal 4 6V SmA current between IT and IT One channel can be ENABLED in one of the following ways Short circuit IT with VAUX pins on service connector Send signal 4 6V SmA current between IT and DGND Status operation A251x Contact closed between ST and ST when no FAIL is present on one Group channel 0 3 and 4 7 Contact open between ST and ST when FAIL is present on one Group channel 0 3 and 4 7 A251xA
7. the board The following messages may be returned by the SYSTEM when monitoring the channel status OFF channel turned OFF OVC channel in OVERCURRENT condition OVV channel in OVERVOLTAGE condition UNV channel in UNDERVOLTAGE condition EXTTRIP channel OFF due to external TRIP line signal INTTRIP channel OFF due to internal OVERCURRENT condition EXT_DIS channel disabled by board INTERLOCK protection PWR_FAIL channel OFF due to a Power failure OVV_PROT channel with connector over voltage detected TEMP_ERR channel over gt 85 C under lt 5 C temperature PID Proportional Integrative Derivative Parameters The channels implement a digital type controller The user has the possibility to change the loop parameters Kp Ki and Kd These operations are not allowed by CAENGECO2020 Control Software but they can be done only in transparent mode see SY4527 manual By typing P from the main menu it is possible to open the interface to modify the PID coefficients of the channels All changes of the coefficients are saved by typing S N B The PID coefficients can be modified when the channels are switched off In case of change of the coefficients with the channels on a confirmation message asks authorization to turn off the channel and change the coefficients t EXTTRIP and INTTRIP parameters are expressed in Hexadecimal format UM2851 A251x Series 50W LV Boards User Manual 14 CAEN Electronic Instrumentation
8. to it To avoid potential hazards use the product only as specified Only qualified personnel should perform service procedures Avoid Electric Overload To avoid electric shock or fire hazard do not power a load outside of its specified range Avoid Electric Shock To avoid injury or loss of life do not connect or disconnect cables while they are connected to a voltage source 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 electric 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 If you suspect this product to be damaged have it inspected by qualified service personnel Safety Terms and Symbols on the Product These terms may appear on the product DANGER indicates an injury hazard immediately accessible as you read the marking WARNING indicates an injury hazard not immediately accessible as you read the marking CAUTION indicates a hazard to property including the product The following symbols may appear on the product DANGER WARNING High Voltage Refer to Manual Installation The A251x are single width boards At power ON the SYSTEM the processor will scan all the slots in the crate to find out where the module
9. CAEN Electronic Instrumentation Tools for Discovery UM2851 A251x Series 50W LV Boards User Manual Rev 0 26 May 2014 Purpose of this Manual This document is the A251x Series 50W LV Boards User Manual it contains information about the installation the configuration and the use of the boards Change Document Record Date Revision Changes 26 May 2014 0 PRELIMINARY Release Symbols abbreviated terms and notation T B D Reference Documents Disclaimer No part of this manual may be reproduced in any form or by any means electronic mechanical recording or otherwise without the prior written permission of CAEN SpA CAEN 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 CAEN 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 the CAEN User s Manual before any kind of operation CAEN 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 Made In
10. Italy We stress the fact that all the boards are made in Italy because in this globalized world where getting the lowest possible price for products sometimes translates into poor pay and working conditions for the people who make them at least you know that who made your board was reasonably paid and worked in a safe environment this obviously applies only to the boards marked Made in Italy we cannot attest to the manufacturing process of third party boards ce X CAEN Q Electronic Instrumentation Index 1 AZ51X Series OverviGW scriscisriibssncari neninn einni an ENa 4 2 Technical Specifications E EEEE E A cesses A E E A E 5 Channel Characteristic Table snccnssincsusmsnsanceneaseesonvelesssmieejudwencnseteasasguaseleseatareneiwansaisibateeroiaialcesaunssseanimsaiermasstrwacasseanmaapeaneut 5 Fe TM BS a E E E E A este soacdenasmatas 6 External CONnectiONS asasinen a Ea a EAE NAE Ra E E AEA 7 OUT PUT CONOC CTO ar A E E E A E A EA A 7 Service CORI Ge CO liaseauacatasenncoveseosensasneacntacneisbnsnecencseaneqanagisccune cvasaunce peronceanc oiacanns auadennanscanessnsacneneniaciessnesnapssanseonescassouscenie suasanntads 7 MVE Tel Ce SO Ie errata E AE E E A way ccm E E A sca eta E E A A N 7 SERTE E OU a EE EAE E E ATA EE EE A EAA EP A E A E EE EAEE A EN AAE ET 8 Channels M Ol SUNG ensnsreiria A E Seaeeanad aueaccaites ondcswantches testodcawsdceeaaned daeaneeSeamusesuuacceenvanerse 9 3 Safety and installation requireEMeENts
11. Resolution 10 mA 100 mA 2 4 modularity Current Monitor Resolution O gt 1 mA 10 mA 2 4 modularity 0 6 V settable for each channel 2 9 V settable for each channel 4 16 V settable for each channel 10 mV 7 50V 9 75V 17 50V Available Over Under voltage thresholds Over Under voltage thr resolution Hardware OVV Protection Short Circuit Protection Ramp Up Down Time 1 200 ms 1 ms step Turn on off delay 0 900ms Transient response Adjustable via PID controller RTN GND Isolation 150V Sense cable input impedance 1 kOhm Enable inputs Available Status outputs Available 5 85 C Temperature range 5 UM2851 A251x Series 50W LV Boards User Manual CAEN Q Electronic Instrumentation Front Panel r kB ERC REE REECE E Oo Cnn in on on FT ee oe fF oF eo f S I IIIT ITITI ETITILTILL wT FELT CCE YT St teeter raerterrtertar B q L E a EdE gE ESE GEESE E SCRTIIIIT BCH I 8V 10A SOW HGH gt av 104 SDW _ Fig 1 Mod A251x series front panel 8 pin amp db 37 version UM2851 A251x Series 50W LV Boards User Manual CAEN Q Electronic Instrumentation External connections Output connectors A251x A251xA Safety Loop CH4 CHS i m CH5 e ax To short on cable i connector cam ne CH6 Q m CH7 Q gt l Safety Loop Type DC8W8SAOOLF D Sub 8W8 Type FCI DCPV37S300GT DB37 Function Out Channels 0
12. ed off The output channels can be enabled according to the interlock logic see Interlock operation All versions are available either with 8 pin 0 15 pitch high current output connectors A2518 and A2519 series are provided also with db 37 output connectors A global enable disable connector allows to disable the channels and it is also possible via front panel logic signals to enable individually each channel only for db 37 versions Channels are organized into groups and the turning on off of the channels within one group can be delayed up to 900ms User programmable between each other Channels feature a PID proportional integrative derivative digital controller whose parameters are User programmable in this way the control loop can be optimized to any load UM2851 A251x Series 50W LV Boards User Manual 4 CAEN Q Electronic Instrumentation 2 Technical Specifications Channel Characteristic Table Table 1 Channel characteristics of the A251x LV Boards 1 unit 5 TE wide 6U high mechanics Version Packaging No of Channels 8 Individual Floating Polarity Floating 1 5 V connector output 3 8 V connector output 5 15 V connector output Voltage Ripple lt 10 mV pp T B C Max Ch Output Power 50 W firmware limited Output Voltage un gt Minimum Load Voltage Set Resolution 1mV Vset Accuracy lt 0 5 Voltage Monitor Resolution 1 mV connector and status Current Set
13. is plugged and what kind of module it is UM2851 A251x Series 50W LV Boards User Manual 12 CAEN Q Electronic Instrumentation 4 Operating modes The A251x boards can be controlled either locally or remotely through the SYSTEM software interface For details on SYx527 System operation please refer to the User s Manual of this product The following sections contain a description of commands available for the board control and status monitoring A WARNING THE MOD A251x BOARD REQUIRE SYSTEM FIRMWARE VERSION 2 00 01 OR LATER Output control and monitoring For each output channel the following parameters are available Parameter Descritpion CHANNEL NAME settable Descriptive name for the relevant channel Output voltage programmable value IOSET settable Current limit programmable value UNVTHR settable Set output under voltage threshold OVVTHR settable Set output over voltage threshold RUp settable ROW settable MON monitor PW ON OFF Power parameter shows the ON OFF channel status when set to ON the channel is switched on if the INTERLOCK is not active and if the channel is enabled either locally or remotely PDwn Kill Ramp Power Down option which can be set as KILL or RAMP It affects the way the channels react at a Power Off command caused by a TRIP condition If the KILL option is selected the relevant channel will be switched off at the maximum rate available If the RAMP option is selec
14. o change without notice
15. ted the voltage will drop to zero at a rate determined by the value of the Ramp Down time programmed for that channel TripInt settable 2N bit word Dec 0 242N 1 max 16 lines where N is the number of the board s Internal Trip Bus lines Bits 0 N 1 allow the channel to sense the trip status from the corresponding lines when set to one in the same way bits N 2N 1 allow the channel to propagate the trip status over the Trip Bus bit N on line O and so on see SY4527 User s manual TripExt settable Must be set in the 0 255 range Bits 0 3 allow the channel to sense the trip status from the corresponding lines when set to one in the same way bits 4 7 allow the channel to propagate the trip status over the trip bus bit 4 on line O and so on see SY4527 User s manual TEMP monitor 13 UM2851 A251x Series 50W LV Boards User Manual CAEN Q Electronic Instrumentation All parameters can be changed when the channel is off When the channel is switched on only a variation of VSET in a range of 5 is allowed for adjustment purposes To ensure that two or more channels are turned on off with delays programmed by user these channels must be assigned the same value of the ChToGroup parameter and the desired time must be entered in the OnGrDel and OffGrDel parameters 0 no delay The switching on and off are performed by entering the ChToGroup parameter value in the field OnGroup OffGroup available as parameters of
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