3HE Cabinet Cooling
Contents
1. Control Type Absolute High o Latch fu nlatch LSZ Lowe Contact Closure arm Uper e Setup Above aa RS 425 Factory Defaults Preferences lt Back M ext gt Discard STOP uil Figure 22 Alarm 1 tab 9 Set the Loop break Alarm as indicated in Figure 23 Micro Infinity Serial Comm Setup IOl x Smart Tabs Hardware Security To enable ID Code security feature place a check in the ID Code Enable bas Loop Break Alarm Enabled Time MM SS 00 15 Temp Adjust To change ID Code security feature enter a non zero value in the ID Code box ID Code Enabled Input Offset pm eg EES L Brk Alarm lut 2 Ramp Soak Serial COM ID Code Set Points Alarm 1 Factory Defaults Preferences lt Back Next gt Discard STOP uil Input Type Heading RS 425 Figure 23 Loop Break Alarm tab 10 Set the control parameters for the Output 1 Figure 24 VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issue 2 0 Technical Manual Date 06 May 2003 Page 22 of 33 Micro Infinity Serial Comm Setup f iol x Smart Tabs Pp Hardware SelfEnable vi 4 20m amp Control Type PIC UAGE T Action Type FIL Statuto P Anti windup FB 02 00 Adaptive Reset 0000 S Hate 00 Fact 3 E LBrkAlam Qut 1 Serial COM ID Code Set Points Alarm 1 Fa2. Y 6 2 2 12368 8 DIAGRAM RR T 3 PT100 SENSOR BOARD sssccscssccesssccecscsceessosecssocsecsssseccsosecsssececosoceessosecssscseessssecsssseesesoeeo 8 4 OMEGA CONTROLLER sscccssscceesssceescsoeccssseccsssocecsseseessocecssoceessooeesssseessoseesssseesssseesssseeeo 9 4 1 CONTROL PRINCIPLE RR EROR 9 4 2 OMEGA CNIGL20 A9bCONTROLLER ETUP 9 4 2 1 OMEGA CN76130 485 Hardware configuration eese 10 4 2 2 OMEGA CN76130 485 Software configuration eese nnne 11 4 3 OMEGA CN77330 C4 CONTROLLER pmUp 12 4 3 1 OMEGA CN77330 C4 Hardware conftguration eese 12 4 3 2 OMEGA CN77330 C4 Software configuration eese 12 4 9 2 1 Serial Communication Darameterg 12 4 9 2 2 Configuring OMEGA CN 77330 CA locally esee 13 4 9 2 3 Configuring OMEGA CN77330 C4 remotely esee eene nennen 14 4 4 DVO TNE EE 23 D INSTALLATION 259 23232 0 09 9 0 0 20900060 0 0 00d ET N RD aUas UdII 030 beu lass doUeseu lant isudenerasscsvanbisestaed 25 5 1 N MEC RATE ele E 25 5 2 IELECTRICAE CONNECTIONS 2 5 02 2 922302905592 209 N RA a ss EPI UENRA 26 5 3 COOLING LIQUID CONNECTIONS ccccccccccccsssssesseeseccccccccccccccccuuaacssssssesseeececccsescceceeaaaaaseeeeeens 27 5 4 wp agre A H 21 5 5 RAS ONNE TON EE 28 6 ND ei ERRECHEN Ki VW 29 6 1 ei QU OI CA MI RE 29 6 2 DA
3. To finalize the configuration click Finish Figure 17 Connection Wizard Step 5 4 Onthe ID Code panel set the value according to Figure 18 VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issue 2 0 Technical Manual Date 06 May 2003 Page 19 of 33 Micro Infinity Serial Comm Setup BG x P Hardware Smart Tabs To Change the ID Code security Feature enter new Four digits non zero value in the ID Code input bos below Lode oono Warning be sure to write down any non zero ID Code in order to be able to unlock the unit via the front buttons T Set Ponts I1 Code Input Type Reading Alarm 1 L Brk Alarm But 1 Out Ramp Saak Serial COM Factory Defaults Preferences x Back M ext gt Discard STOP Uut Figure 18 ID Code tab 5 Configure the set points as in Figure 19 Micro Infinity Serial Comm Setup BG x Hardware Smart Tabs Set Point 1 joo SetPoint 2 nnn n Specify set point 1 and set point z in degrees TEATE ar counts process write ID Code Set Points Input Type 28 roni Alarm 1 L Brk Alarm But 1 Dur z Ramp Saak Seral COM Factory Defaults Preferences Back Next gt Discard STOP Quit Reading Figure 19 Set Points tab 6 Select the process 0 10V according to Figure 20 VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issue 2 0 Technical Manual Date 06 May
4. see Table 4 must be restored to No 4 4 SYSTEM PERFORMANCE The Figure 27 shows the cooler performance when installed as in Figure 28 The Y axis shows the temperature difference Delta T Trine apen The sample number is plotted on X The temperature was sampled every 10 seconds The cabinet including cooler was turned on at Sample 1 Test conditions Ambient temperature 16 C Cooling liquid inlet temperature 8 C Liquid flow rate not measured Power dissipation in cabinet VME chassis 200 W After Sample 7400 the temperature settles at around 0 5 degrees In this application the thermal time constant is around 20 minutes VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issue 2 0 Technical Manual Date 06 May 2003 Page 24 of 33 ISAAC Cabinet 3 Temperature Control 10 0 9 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 1 21 41 61 81 101 121 141 161 181 201 221 241 261 281 301 321 341 361 381 401 421 441 461 481 501 521 541 561 581 Temperature Sample 10 Secs Figure 27 Control performance VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issue 2 0 Technical Manual Date 06 May 2003 Page 25 of 33 9 INSTALLATION Cabinet Cooler PT100 Sensor Figure 28 Installed Cooler The Figure 28 shows a typical installation of the Cabinet Co
5. 2003 Page 20 of 33 Thermocouples RTD Dip Switch f f Process Settings Process Setup Smart Tabs Hardware Micro Infinity Serial Comm Setup m x Input Range a Cani E E E E E 2 write IL Code Set Points Input Type Heading Alarm 1 L Brk Alarm But 1 Out Hamp Soak Serial COM Factory Defaults Preferences lt Back M ext gt Discard STOP Figure 20 Input Type tab 7 Set the basic setup and the scale offset as indicated in Figure 21 Micro Infinity Serial Comm Setup IOl x Smart Tabs Scaler Offset JO Please enter two points In Read and Hardware In Read ta specify scale and offset In 1 cts 2500 Head 1 ann In 2 cts 5000 Read 1000 ID Code Set Points Input Type Reading Alarm 1 L Brk Alarm Out 1 Dut 2 Hamp 5aoak Denel COM Factory Defaults Preferences Back Next gt Discard STOP uil Basic Setup Decimal Point HHHH F ey xx wun HHHH Temp Unit Ic H Filter A E Constant b ul DA Figure 21 Reading Configuration tab 8 Disable the Alarm 1 see Figure 22 VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issue 2 0 Technical Manual Date 06 May 2003 Page 21 of 33 Micro Infinity Serial Comm Setup IOl x P Hardware Smart Tabs Alam 1 Enable Auto Power fin Configuration Set Foints
6. 29 ESO ESO EEN Cooling unit bottom plate see drawing 1 Coolera skd ESO B hm amp Wiedemann 31 Cooingunk bekpete see drawng 1 Codeiskd ESO B hm amp Wiedemamn Cooling unit front plate see drawing E JR nA O Kn r O Screw M4 x 20mm counter head heart point 2 t6HM2 an Bu Screw M5 x 10mm cylinder head Kunststoffgeh use 4 14H 884 37 ScewM x6mmcyinderhead cooler 12 mao nn B rklin 38 Washer m4 cooler 12 16H82 NN B rkin Washer M4 copper blank earth UN L s Esos NN Kluxen 40 Nuts M4 copper blank earth point 2 ESOstck NN f Kuxen 41 F cherscheibe M4 earth point cooler 15 17H20 MN JL B kin 42 Screw M2 5 x TA cylinder head OER 8 14H76 NN B rklin Screw M3 x 10mm counter head line filter eme NN Die Screw M2 x 6mm cylinder head ident plate 4 1eH100 NN B rklin Hex screw washer nut for Sub D connector a ESO stock
7. Bo S AAA Bv d 2 S o z T x d 5 a m VA VLT MAN ESO 17130 2010 Issue 2 0 Date 06 May 2003 Page 32 of 33 3HE Cabinet Cooling System Technical Manual APPENDIX 2 PT100 SENSOR BOARD COMPONENT LIST PT100 Sensor Board Component List Revised Friday December 10 1999 Revision O0 Bill Of Materials December 10 1999 los 17740 Pagel Item Qty Reference Part i 1 CN1 3SCREW RS LOL 4763 f 1 PB HEADER 4 3 1 CN3 HEADER 6 4 4 CN4 CN5 CNG CN7 2SCREW RS I0192735J D 1 Gl LODUE 235 El ul 6 4 C27Co C C2 100NF ML 0 2 B 8 C3 C4 C5 Cs C10 C15 Ccl4 lONF ME 2 C15 8 2 1 141 2 IF 25 Tantal Ql 9 1 DI 1N4148 Axial 10 1 FLT1 POWFILT RS 213 5909 LI 2 Qu YD BC337 12 ii R1 10 Duo L3 5 Re ho hoy R15 R18 LK Ae 14 2 R2 R13 RLINI1 33K2 1 ie 2 R4 R14 RLIN2 35K7 1 16 Z RG R16 RG Jud 1x Ly 2 ELT ORI RZ 80 6 1 Le 2 R9 RIS 49 9 Lg 2 R10 R20 RCM TKO Qu 20 i R11 I RA 0 4 21 1 R12 RGAIN 3K20 1 ag 1 U1 B586 RS 21179831 23 1 UZ G3VM OMRON 24 2 U3 U6 ATRIDOSBA Burr Brown 2 1 U4 AMPO4F Analog Devices 26 1 US TLOZ TAC Texas 21 1 U7 REF192G Analog Devices Z0 2 VAR1 VAR3 SL0 K250 Siemens 29 1 VAR2 SIU KIJ Siemens VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issue 2 0 Technical Manual Date 06 May 2003 Page 33 of 33 APPENDIX 3 PARTS LIST o Pat Quan t OrderNumber Ma
8. CRINGO LIST ee 29 APPENDIX 1A COOLER INTERNAL SIGNAL WIRING eessen KEN ENER ER EN REENEN ENKER E Ee 30 APPENDIX 2A PT100 SENSOR BOARD SCHEMATICS cccccccccccccccccccccccccccccccces 91 APPENDIX 2 PT100 SENSOR BOARD COMPONENT LIST cccccccccccscccccccccccess 32 APPENDIX 3 PARIS LIS svcssssssseccassciavecsveasenedaiecsensovecacsscaedewssnsaesasuawesseaeiesasdscassesectessatsacestsonss 33 VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issuer 2 0 Technical Manual Date 06 May 2003 Page 4 of 33 1 INTRODUCTION The thermal constraints for the VLT Observatory require that the temperature of the equipment in the telescope area is kept as close as possible to ambient air temperature A cooling system for Electronic Cabinets is required to extract the heat dissipated inside the cabinets in order to minimize the thermal pollution of the environment This is done with an actively controlled system which cools the Electronic Cabinets using cooling liquid supplied throughout the Observatory ESO has developed three different standardized Thermal Control Systems for electronic cabinets e 1HE Cooling Controller see RD7 e 3HE Cooling System described in this document e 4HE Cooling System see RD1 The 4HE system was designed for use in large cabinets with relatively high internal power dissipation and is used for most control systems throughout the Observatory For smaller Cabinets however t
9. EUROPEAN SOUTHERN OBSERVATORY Organisation Europ enne pour des Recherches Astronomiques dans l H misph re Austral Europ ische Organisation f r astronomische Forschung in der s dlichen Hemisph re VERY LARGE TELESCOPE 3HE Cabinet Cooling System Technical Manual Doc No VLT MAN ESO 17130 2010 Issue 2 0 Date 06 May 2003 Prepared S Rossi 24 Sep 2003 AL pe Approved W Nees Released M Cullum Name Date Signature VLT PROGRAMME TELEPHONE 089 3 20 06 0 FAX 089 320 2362 VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issuer 20 Technical Manual Date 06 May 2003 Page 2 of 33 Change Record Issue Date Section Page Affected Reason Remarks 6 Dec 99 First issue J Brynnel 06 May 03 Chapter 4 Paragraph 5 5 New Omega CN77000 controller VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issue 2 0 Technical Manual Date 06 May 2003 Page 3 of 33 Table of contents 1 INTRODUCTION eege 4 1 1 PUP P CI MR 4 1 2 EE 4 1 3 APPLICABLE DOCUMENT Sccscsvcscnnsicusvcdeudecdsescdessose anncsdsduswsdevdasdcewiiuen va E Era UNEN RNa Doa Cr CUN 5 1 4 REFERENCE DOCUMENTS 5 ieoces uv ts Ceo ere eva eter Cows vem e vo N ose ves evvrteosepsVeose ver ed eps Ue Vie 9 2 SYSTEM DESCRIPTION v osevukun Gus sEUst vexVuEaa Cause V s ar sie qva GvEv e Vas Va eg 6 2 1 COOLING UNIT NT C
10. Please specify if your controller is equipped with H5 23z7 ar H5 485 serial communication option NOTE pour computer must support the type of serial communication that you select C AS 232 Ge H5 485 Address 0032 k Back Cancel Figure 14 Connection Wizard Step 2 Welcome to Connection Wizard IF your controller i already connected you should have the wizard detect it When the wizard detects a communication COM port with a controller connected ta it iE automatically configures the software to work with that COM port Do vau want the Wizard to search for your connected controller f es Recommended C Mo Back Cancel Figure 15 Connection Wizard Step 3 VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issue 2 0 Technical Manual Date 06 May 2003 Page 18 of 33 Welcome to Connection Wizard The wizard will now look for the COM port that your controller is connected to WARNING This may take a minute and could cause our machine to stop responding Save and close all your programs before beginning detection While detection is in progress You will see a progress Indicator IF this indicator stops for a long time vau will need to restart your computer To continue click Next Back Cancel Figure 16 Connection Wizard Step 4 Welcome to Connection Wizard Connection Wizard detected your controller on COM 1
11. U5 and connected to the OMEGA temperature controller A relay contact output is controlling cooling liquid valve position by means of slow PWM modulation with a cycle time of 14 seconds The valve coil is actuated by 230 VAC An opto isolated semiconductor relay mounted on the PT100 sensor board minimizes OMEGA controller output relay load A LED SP1 on the OMEGA controller front panel is lit during the 230VAC is applied to the Valve closing of Valve A small linear power supply generates 12 VDC for circuit supply The PT100 Sensor board detailed schematic drawing is presented in Appendix 2 Note In case of power failure either 230 VAC or V in Figure 3 the Coolant regulation valve will open fully VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issuer 2 0 Technical Manual Date 06 May 2003 Page 9 of 33 4 OMEGA CONTROLLER 4 1 CONTROL PRINCIPLE A proportional control algorithm is used for temperature control A proportional band of 2 0 degrees Celsius gives good control accuracy and stability The valve position and hereby coolant flow is set by a thermal actuator with a relatively long time constant approximately 30 seconds This is not considered to be a problem since the controlled thermal process itself has a longer time constant Delta T 1s defined as T Cabinet T ambient The Cooling Liquid valve itself is a normally open type This ensures maximal coolant flow in case of controller failure When th
12. condary menu e Secure menu See also RD3 for more information about the controller If any entered parameters are out of range or logically wrong an error message will be displayed Refer to RD3 for help on error messages When setting up a controller from scratch it is recommended to start in the reverse order by setting Secure menu then Secondary menu and last the Primary menu This is because the menus are dynamic for instance if the alarm output is disabled in Secure Menu the alarm value which normally appears in Secondary menu is suppressed 4 2 1 OMEGA CN 76130 485 Hardware configuration To access hardware configuration switches open controller by pulling it out of the front panel Four DIP switches have to be set for input type selection as shown in Figure 6 The shown setting selects Voltage 0 5 V input OFF NH m M 1 2 3 4 Figure 6 DIP switch setting VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issue 2 0 Technical Manual Date 06 May 2003 Page 11 of 33 4 2 2 OMEGA CN76130 485 Parameters configuration Table 1 Secure menu parameters Decimal point 000 Set point Low AL Alarm type OFF Network activity timer CFLT HM Table 2 Primary menu parameters Display Parameter Value SP1 Set point 0 00 Table 3 Secondary menu parameters Tune Control Algorithm PID PEA Peak recorded value LI VAL i Valley r
13. ctory Defaults Preferences Back Next gt Discard STOP uit Auto FID m Cycle Cycle Time s Hamp 5 oak Input Type Heading H5 485 Figure 24 Output 1 tab 11 The values for the Output 2 are not important as the controller has only one output Micro Infinity Serial Comm Setup Ioj xi Smart Tabs Hardware Control Type pu l FID parameters Hate and FID i Auto PID Reset values are the same as Outi Proportional Band value Proportional can be adjusted Band mom Cycle Time Action Type timefa Seral COM L Brk amp larm Dut 1 Out Hamp Soak ID Code Set Paints Input Type Reading Alarm 1 H5 485 Factory Defaults Preferences x Back Next gt Discard STOP uit Figure 25 Output 2 tab 12 Disable the Ramp Soak as in Figure 26 VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issue 2 0 Technical Manual Date 06 May 2003 Page 23 of 33 Micro Infinity Serial Comm Setup f Ioj xi Smart Tabs Soak Enable Time HH MM 00 15 Hamp Enable Hardware Time HH MM 00 15 L Brk Alarm Out1 Du 3 Ramp Soak Serial COM ID Code Set Paints Input Type Reading Alarm 1 H5 485 Factory Defaults Preferences x Back Next gt Discard STOP uit Figure 26 Ramp Soak tab 13 Very Important Upon completition the Echo option of the CN77330 C4
14. e cabinet surface temperature exceeds ambient temperature positive Delta T in Figure 4 no voltage is applied to the valve which gives full coolant flow and maximal cooling If the cabinet temperature is inside the proportional band 2 degrees the valve position is proportional to Delta T Below the proportional band Cabinet surface temperature below T ambient minus 2 degrees the valve is fully closed which will stop completely the coolant flow Valve Position Proportional Band Figure 4 Control characteristics 4 2 OMEGA CN76130 485 CONTROLLER SETUP The temperature controller is an OMEGA CN76130 485 This is a small process controller with front panel dimensions of 48x48mm 1 16 DIN It has the following characteristics Front panel display for set point and process value Front panel keys for entering of parameters Several input types Voltage current Sensor Alarm output Option Relay control output Option RS485 communication port Option for connection to Host LCU VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issue 2 0 Technical Manual Date 06 May 2003 Page 10 of 33 Figure 5 OMEGA CN76130 485 temperature controller Two values are displayed simultaneously on the front panel see Figure 5 the Process Value PV upper display and the Set Value SV lower display The user has access to three menus for Controller configuration and parameterization These are e Primary menu e Se
15. ecorded value Le AIRT RampTime om 1 PSoktim om INPC Inputcorrection on LORE J J LOC CFSP LGommfaiure set pont 00 VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issue 2 0 Technical Manual Date 06 May 2003 Page 12 of 33 4 3 OMEGA CN77330 C4 CONTROLLER SETUP Due to the fact that the Omega CN76000 is out of production the newer 3HE Cabinet Cooling Systems are assembled with the OMEGA controller CN77330 C4 It has the characteristic of the old CN76000 controller with extended options Figure 7 OMEGA CN77000 temperature controller 4 9 1 OMEGA CN77330 C4 Hardware configuration To access the hardware configuration switches open the controller by pulling it out of the front panel Seven DIP switches have to be set for the input type selection Figure 8 shows the DIP switch settings for a process input type 0 10 Volts OFF OR a HNIE 1 2 3 4 5 6 8 Figure 8 DIP switch settings For the mechanical and electrical installation please refer to RD4 and RD6 4 3 2 OMEGA CN77330 C4 Parameters configuration The OMEGA CN77330 C4 can be configured in 2 ways locally by means of the push buttons and remotely via software by means of the tool Microinfinity 1 1 provided by the manufacturer of the controller In the next paragraphs both procedures are desc
16. he 4HE Cooling System is not suitable because of its large form factor The 1HE system is basically the 4HE system electronics mounted in a separate chassis without heat exchanger This may be used where an external heat exchanger is required Some sub systems have relatively small heat dissipation or might be located in small cabinets A typical application is cabinets mounted directly on Instruments where physical space is limited Here it is not possible to use the large 4HE cooling system For such application a smaller system was developed This 3HE cooling system has the same basic functional principle as the ESO 4HE Cooling System RD1 The difference is physical size and cooling capacity 1 1 PURPOSE This document is a technical manual for the 3HE Cabinet Cooling System The document describes in detail the cooling unit and contains detailed schematic drawings 1 2 SCOPE Chapter 2 introduces the operating principle of the 3HE Cabinet Cooler In chapter 3 and 4 the analogue electronics and the OMEGA Temperature Controller are described including Controller parameterization Installation and external connection is described in Section 5 VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issuer 2 0 Technical Manual Date 06 May 2003 Page 5 of 33 1 3 APPLICABLE DOCUMENTS None 1 4 REFERENCE DOCUMENTS RD1 VLT MAN ESO 17130 1603 VLT Electronic Cabinet Cooling System User Manual RD2 Dual PT100 Sensor Box Is
17. he two sensor signals are linearised and amplified on the PT100 sensor board see Figure 1 and Figure 2 The delta temperature defined as T4 Tambien 1s generated in an analogue differential amplifier The gain is calibrated to a span of 0 5 VDC for a delta temperature Cabinet minus Ambient in the range 10 C 10 C The sensor input range is 50 C 50 C This delta T signal is connected to the OMEGA temperature controller input The OMEGA controller is set up to control cooling liquid flow by applying PWM signal to the Regulation Valve This valve has a thermal actuator which opens closes water flow Airflow is forced through the heat exchangers by means of four axial fans VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issuer 2 0 Technical Manual Date 06 May 2003 Page 8 of 33 Omega Temperature Controller To Valve 230VAC Figure 3 PT100 Sensor Board block diagram This board processes the two PT100 sensor signals The sensor input range is set to 50 C 50 C Sensor signals are linearised and converted to DC voltage 200mV 1000mV in U6 and U3 Those two DC signals are fed to a differential amplifier U4 where the temperature difference Delta T T cabinet T ambient is converted to a voltage 0 5 VDC corresponding to a Delta T of 10 C 10 C This signal is buffered in
18. hus enabling digital readout of cabinet temperature and OMEGA controller status Baud rate is user selectable up to 19200 Baud default setting is 9600 Baud The physical interface is RS485 two wire Note that the pins 4 and 9 are necessary only for the resistor network termination when the connection is with the ISER8 VME board RS485 2 RS485 7 4 9 DSUB9 Female Figure 34 RS485 Connection VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issue 2 0 Technical Manual Date 06 May 2003 Page 29 of 33 6 TECHNICAL DATA 6 1 SPECIFICATIONS a Physical dimensions H 3HE W 19 D 360 MM without rear side connectors a Cooling Capacity 300 Watts Not including Cooler power consumption assuming cooling liquid inlet temperature 8 degrees below ambient air temperature VLT compliant mounting position as Figure 5 a Power Supply 230 VAC 110 Watts Cooling fluid pressure Maximum 10 bar a Electrical Connectors Sensors MIL 8 4 Power DIN 49457 RS485 SubD 9 P a Coolant connector Manufacturer CPC Supply Chassis LCD 160 06 Supply Hose LCD 220 06 Return Chassis LCD 420 06 Return Hose LCD 170 06 Weight 13 Kg LI LI Ss ho PACKING LIST Cooling unit Power cable Cooling fluid hose connectors 1x LCD 220 06 1x LCD 170 06 PT100 sensor box RD2 PT100 cable assy with MIL 8 4 connector 2x VLT MAN ESO 17130 2010 Technical manual CD ROM with technical manuals and software too
19. l DOOD OOD DOO VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issue 2 0 Technical Manual Date 06 May 2003 Page 30 of 33 APPENDIX 1A COOLER INTERNAL SIGNAL WIRING 001 DWG European Southern Observatory LT MAN ESO 17130 e201 CL ow 0 Zant ol rJ o Oma 2 c a l O wo IM co I XXL wv v H Lex is E a CM76130 485 K Is IJ e d ux a m 23 D ie n e T uO o 5 zl m dps e n 1 c n lt o2 gt 30 n au a SE E Qu zZ EN ce C3 M gt lt en D m be f a B lt NO Om O5 T y ao Ae Giz n a LI PT100 230VAC POWER IN 1 8 4 00 AMBIENT G 4 I PTLOO MIL 8 T100 CABINET VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issue 2 0 Technical Manual Date 06 May 2003 Page 31 of 33 APPENDIX 2A PT100 SENSOR BOARD SCHEMATICS gt ER b H f X Jr N NANN NU E Z 5g 4 g 3 2 x GR RER gt D T y S 7 2E d l g 5 z s D D A gt 2 A b 2 WA 2
20. mperature CN2 PT100 Cabinet surface temperature CN3 280 VAC power CN4 RS485 serial communication VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issue 2 0 Technical Manual Date 06 May 2003 Page 27 of 33 Refer to RD2 for detailed information on PT100 connections A B PT100 Ambient C CNI PT100 Cabinet UJ CN2 Figure 32 PT100 sensor connection 5 3 COOLING LIQUID CONNECTIONS Cooling liquid supply return shall be connected as indicated in Figure 5 2 using the supplied Quick Connectors 5 4 AIRFLOW It is left to the user to assure that a proper total airflow inside the cabinet is maintained The circulating air inside the cabinet should be directed along cabinet outer walls to avoid hot spots inside the cabinet For maximum cooling efficiency make sure that all air is directed in a pattern similar to the illustration in Figure 5 4 E um Sc Air Flow VME Crate Cabinet Front View Cabinet Cooler SU Figure 33 Air Flow Note it might be necessary to add more fans in the cabinet in some applications to ensure sufficient airflow VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issue 2 0 Technical Manual Date 06 May 2003 Page 28 of 33 5 5 RS485 CONNECTION It is possible but not necessary to connect a serial link to the OMEGA controller t
21. ns DG 233 SEL FS Address 0032 Figure 11 Hardware Setup window VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issue 2 0 Technical Manual Date 06 May 2003 Page 16 of 33 3 Set the Serial com parameter according to Figure 12 and then start the connection wizard Micro Infinity Serial Comm Setup BG x Smart T abs Connection Wizard Hardware Find my device and set up my serial port Required controller comm params to be 9600 Baud Odd Parity Data bit 1 Stop bit Echoen Mode Cornmand Line FeedzMa Check 5umzMa Connect Manual Setup Comm Port Baud Hate Parity Data Stop COM 5600 nene ei f bit L Brk Alarm Out Qut2 Ramp Soak Serial COM ID Code Set Paints Input Type Heading H5 485 Factory Defaults Preferences x Back Next gt Discard STOP uit Figure 12 Serial Com tab Welcome to Connection Wizard This wizard will help you quickly set up and verity the serial communication connection between your computer and your controller To begin setting up your serial communication connection click Mest Fou want to set up the serial communication conmection at a later time click Cancel 4 Back Cancel Figure 13 Connection Wizard Step 1 VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issue 2 0 Technical Manual Date 06 May 2003 Page 17 of 33 Welcome to Connection Wizard
22. nufacturer Distributor 1 19 chassis type CS2007 bin bn O Lee m s pem im 9 3 OmegaTemperatuecontoler 1 CN77330C4 Newport Newpot 4 remo Valve Acwator 1 j MMEOA 908 Honeywell Honeywell 2 way Valve V5822A 1022 Honeywell Honeywell ES aac EE tnt Hort 028 55523008 Mem Vero np AES m ow ER K hlwasser Kupplung 3 8 ID 9 6 1 LCD17060 CA Keler Kihiwasser Stecker6 4ID JL 1 LCD42004 CA Keller 11 Kihiwasser Stecker 3 8 D96 1 f tCD22000 ca Keiler Schotlverschraubung 3 8 G Gewinde 1 0170017 Leges MFE Vertiebs GmbH Schwer Fittings Schwer Fittings Einschraubschlauchnippel 3 8 6mm EN sf 115 7 GmbH GmbH Schwer Fittings Schwer Fittings P Ganze Muffe DN10 3 8 AISI 316 Ti 4 sf 101 7 GmbH GmbH B E S T Ventil EC Ge SE EOR See GmbH rr ORAL NEN 18 Kunstof tGeh use JL 1 60H3332 Teo B rklin 19 KabeldurchfuhrungPG7 JL 6 12H2700 Lap B kin 20 Kabelduchf hrungPG9 JL 1 12H27601 Lap B 22 Gegenmutter PG7 1 1 2 12H283 Lap B ki 23 GegenmutterPGQ LI 1 12H283 Lap B rklin 24 MiL connector CT 2 885102R84P Sowiau MPS 25_ Netter C 26 Beschriftungsfelder L8 405 ER D Hcr EN ie 28 Steuerplatine see componentlist JL 1 CS P 12
23. oler The cooler is mounted in the lowest position forcing cold air upward through a 19 chassis The warm air is guided down on the left and right sides of the chassis and sucked into the Cooler heat exchangers from the bottom On the left outer side of the cabinet the sensor box is seen This box has two PT100 sensors one measuring cabinet surface temperature the other measuring ambient air temperature See also RD2 For most applications it is not necessary to mount extra fans in the Cabinet where the cooling system is used The cooling system heat exchanger fans generate sufficient airflow 5 1 VME CRATE COOLING If the cooler shall be used for cooling of a VME type crate as in Figure 28 it is recommended to concentrate the cooled air flow to the VME boards to achieve efficient cooling of the inserted VME boards Closing the rear part of the cooler chassis with a metal plate as shown in Figure 30 does this 9 2 VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issue 2 0 Technical Manual Date 06 May 2003 Page 26 of 33 Figure 29 Cooler normal operation top view Figure 30 VME crate cooling operation top view ELECTRICAL CONNECTIONS Figure 31 Cooler rear side All electrical connections are made to the Cooler rear side There are three connectors CN1 PT100 Ambient air te
24. ribed 4 3 2 1 Serial Communication Parameters First of all the Serial Communication parameters of the CN77330 C4 must be locally configured Table 4 shows the parameters Please refer to page 64 of RD4 for details about the configuration process VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issue 2 0 Technical Manual Date 06 May 2003 Page 13 of 33 Table 4 Serial Communication Standard Parameters Communication Parameters Value Baud Rate 9600 No Standard 0032 4 3 2 2 Configuring OMEGA CN77330 C4 locally The Table 5 shows the software parameters for the OMEGA CN77330 C4 controller Please refer to the controller user manual RD4 for details about the configuration process Table 5 OMEGA CN77330 C4 Software parameters Disabled Output 1 Action Type Reverse Output 1 Anti Integral Disabled Output 1 Proportional band 0002 Output 1 Reset 0000 Output 1 Rate 000 0 note Very Important In order to configure the CN77330 C4 with the tool Microinfinity 1 1 the Echo must be set to Yes Likewise upon completion of the CN77330 c4 parameter configuration the ECHO must be restored to No VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issue 2 0 Technical Manual Date 06 May 2003 Page 14 of 33 Output 1 Cycle time 4 3 2 3 Configuring OMEGA CN77330 C4 remotely The Omega CN77330 C4 can be configured remotely by means of e aPC with Opera
25. sue 1 1 RD3 OMEGA CN76000 Operator s manual M1303 0991 RD4 OMEGA CN77000 User s Manual RD5 OMEGA CN77000 Specifications RD6 Microinfinity 1 1 Help File RD7 VLT MAN ESO 17130 2027 VLT Electronic Cabinet thermal Control Unit VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issuer 20 Technical Manual Date 06 May 2003 Page 6 of 33 2 SYSTEM DESCRIPTION Since the OMEGA CN76130 485 controller is not produced anymore the new 3HE Cooling Systems are equipped with the OMEGA CN77330 C4 controller 2 1 COOLING UNIT PT100 Sensors Cooling liquid connection connection Cooling liquid regulation OMEGA controller Figure 1 Cooling Unit top view The Cooler is integrated into one 19 unit The main elements are Heat Exchangers with fans 2x OMEGA CN76130 485 Temperature controller old version or OMEGA CN77330 C4 Temperature controller new version PT100 Sensor electronics board Cooling liquid regulation valve The airflow is from bottom of unit warm air intake to top of unit cooled air outlet VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issuer 2 0 Technical Manual Date 06 May 2003 Page 7 of 33 2 2 Cabinet Temperature Omega Controler Ambient Regulation Sensor Board Figure 2 Block Diagram The input to the system comes from two PT100 temperature sensors Ambient air temperature Cabinet surface temperature T
26. ting System win98 win2000 winXP e aserial port e the RS 232 to RS 485 I 7520 adapter Figure 9 provided by Newport Omega e the software tool Microinfinity 1 1 provided by Newport Omega Figure 9 I 7520 RS232 to RS485 adapter VLT MAN ESO 17130 2010 3HE Cabinet Cooling System Issue 2 0 Technical Manual Date 06 May 2003 Page 15 of 33 OMEGA p i CN77330 C4 rT 4 Dsub9 Dsub 9 Female Male 15V m Figure 10 PC 3HE Cabinet Cooling System connection Important The Microinfinity software works correctly if the Regional Settings of your PC have been set to the United States defaults and the Echo Option see Table 4 has been set to Yes Figure 10 shows the way to connect the Personal Computer to the 3HE cooler in order to establish the communication Once the Microinfinity software tool is installed and the communication is set up the OMEGA CN77330 C4 can be configured remotely following the steps shown hereafter 1 Set to Yes the Echo option of the CN77330 C4 see Table 4 2 Push the Hardware Button of the main window and select the device as in Figure 11 x Please confirm the options that your controller supports and verify that the model number displayed matches your unit s Model E Zdlcasel 2 4 Output 2 55H C Relay Pulse Ge Mone Ouput 1 55H Ce Relay C Pulse C MI Optio
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