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EC1x, EC1xHA, EC1.3w USER MANUAL

1. 35293 2 3700 OILVW3HOS 1 9 USQUNN 3uaun2og 8215 SW31SAS 9140519373 NNS INO 9 4 WE bIGNT WE rieni bIGNT ONV 022 NS 4 AOLOSNNOO 01 1179512 I 9 SNV 000124 OL 5 0921 07 UNS o E ENV 000124 WE bIGNT WE bIGNT DN3W 5 73 9 g 1 1 1 S OL S 5 59A 20 s UL 0 O eT oar 978 J07 2 9 001 T osz EE 1 2 vzen 8 STE masa I 4n 61 1 ver 0712 PARALLEL PRINTER AND EXTRA The printer port option for the EC1x chambers allows the use of an inexpensive PC dot ma trix printer to automatically provide logging and a plotted chart of the chamber user and set tem peratures The printer port was designed to use a standard IBM PC type printer with a parallel interface using the standard PC pri
2. 5370 M O OND Sar 552 HISH OL ri Jdr 6 o co D x Ip 555 SUnbr SEE o 0 Br i 1334 300048 134 en utc 134 JSN aL mA 5 tits tie d 3 n 35435 E 9 raddga 3104 INL 2 830514 2 we Sie da 0908 Sd NA o LIHET 34019434131 el 58 4 9 40009 sak WATT TE d T 2311002 T 82 78 10 10 cM O Ade de quor 88 22 0 eI crpg site 281003 57 O 2 O ended Co ns 5889 381002 417541002 Mida 42751138 Doa g p Ee NO 0575 TIM 131 33457093 14043 1 1 Bar 7440 1111 Sind ino ale C O C O O O 21 C Beda 0002 119 1 14 03 4141 4399353 JHL 30 5371041402 HOH JHL aL HILIMSOAJIH J
3. QAD 1 0 7 ADDRESS XLS ADDRESS DATA x I Ts l R W 0 1 1 1 1 gt AS 0 E U lt gt 0 CREAD n r QAD 0 7 MS ADDRESS L S ADDRESS DATA IN 0 1 i 4 1 1 1 T 1 x R W EE o 1 1 ASM lee 0 1 1 1 1 1 e k Tap gt 1 N AS 0 U lt Tepr gt N Ts 6 uS MIN Ta lt 3 uS Thw 3 uS MIN 0 Th uS Tap 4 8 uS Tepr 11 uS SUN ELECTRONIC Tep 6 uS SYSTEMS Inc 1 ver 0712 SAMPLE USER CIRCUIT 40 lt Z 193 5 8 8 SNA AHL ONISN y 1302 sna wasn 0 1 8 OL GUETTI SNId AJN 2215 OGY SY 5 092 SSVdAH SWALSAS OINUBSI2333 NNS gn Lib d 5 Z82HvZ 99 d TAN 538NI A S3SV3HONI 555 59 34Na
4. ida 041 0276 ZH B9 Bpc SUnpbg BBg UHXIJ VH9123 VHSLD4 S531 545 JI 33 73 NNS uo 8 4 1 0 ate oe 1844 4 3504 Ex ELT Hd 1 as 8H 18 mot asta 39013 Hd 1544 MII 35n4 alU 493 OWJ 085 547 HIJO wat AGHOT Wem uz nagna OL 23557193 Roo 18134 18 H2LIMSOA2IH E o mo za POO 1234 i e 5 dde ac n 3 9 24 TJ ADL 8492 3102 190 AJAL 31034 m tise Ed Hoda 8 3 1005 dd 100 79 11 10 SLM 11 51009 1 was TTE L3aDHdd 314448 s H3BMvHJ HdHHL DLHE Si d E HDELSVUD LH34313 HIL 1002 91581905 4014 doce SMO 1009 30 55 Wea tl Pg 122 220 V 4 Wire EC1A EC11A EC10 EC11 EC12 EC13 with V Cool Valve 828898 021 Bese
5. nnen 65 Dort EE 65 retient aie avenue ni 66 pA ncn mE EI E 67 BKBPNIT 25 eet Et deeds uode PUR dd 67 de mE 68 Pg 4 EC1x ver 0712 CALC ln ae ean ee 70 CAL CA UE 70 2 dien See 71 Ime e uod a 71 ED 72 ez 73 BR 73 PILLE 74 Ep 74 BIETEN LEE 75 END EE 76 E b aU Eheu ettet intet 77 GOSUB ted e dee IL DL RR tn de 78 HORE eee nak 78 HON 79 IMARIABLES rm Mee Etc PvE OI tdi TID 79 lp 80 AM 80 LEO EE 81 mur 81 ME tente o et te 82 OPE tete 82 ON 83 84 EE 87 Der 88 T EE 88 Sociis subs vitet itte ct rcm sere ec n 89 RATE EUR 90 EN EI TAE 90 ad 91
6. Tren veta cac 36 EC1x ver 0712 Pg 3 GPIB IEEE 488 REMOTE CONTROL 37 GPIB PORT PROTOGOLS drei HL a 37 POWER HEAT AND COOL ON OFF CONTROL 37 TEMPERATURE CONTROL COMMANDS 38 TEMPERATURE SAFETY LIMIT 85 2 1 4 12 00 02 6000 0016 000000000 enne entrent nennen 38 CONTROL LOOP PARAMETER COMMANDS 39 LOCAL PROGRAM 5 77 39 MODEL TC01 ECOX COMPATIBILITY COMMANDS 0 2 0 00 eene nnne tenentes nnn 40 DEVICE COMMANDS e 41 SET DEFAULT MENU cael aaa 41 LOCAL CONTROL OF THE SET DEFAULT MENU 5 41 REMOTE CONTROL OF THE SET DEFAULT MENU SDEEF sse 43 SET INTERRUPT MENU 43 LOCAL CONTROL OF THE SET INTERRUPT MENU sess 43 REMOTE CONTROL OF THE SET INTERRUPT MENU 44 REMOTE INTERRUPT CHARACTERS tren nnn 44 PROBE CALIBRATION 45 CAL TO STANDARD COMMANDS 4
7. 6 0 5 95 16 examine variable 6 95 controller response EC1x ver 0712 Pg 79 IN Function Input data from the Bit USER bus or A D Syntax IN device number address Im where device number is OforBitl O 1for USER bus 3 for Analog port Description The IN command allows data read capability from either the Bit port USER bus or ana log to digital convertors Data values read from a particular device are stored variables For proper operation of each device interface consult the appropriate section describing the device in full Restrictions None See Also OUT variables Example 0 5 12 Read Bit I O bit 5 store var 2 bit O IN1 7 12 Read USER bus address 7 store var 2 IN1 F I2 Read USER bus addr HEX store in 12 1 3 2 12 Read A D channel 2 into var 2 LIST Function Lista local program from a remote interface Syntax LISTm or LIST m Description The LIST command permits a remote interface to upload a local program from the control ler This command allows a remote operator to verify the results of a STORE instruction which downloads programs to the controller In addition some communication programs allow for cap turing data to text files In this manner local programs can be maintained on a personal computer and downloaded or uploaded if required Restrictions Remote interface command only
8. 93 SCALE ierit e Ee euer teil E LE Eo A a tie 94 Salz 95 SE Ta epe Pe v ee 96 SIN 97 STATUS iei ig vette 98 STOR MES 99 Et 99 STORE E meten Asus 100 due cie Cu du ecu eue 100 HEC E 101 uu 101 EPI 102 102 Aaa oh cue aes pec deste ath cas tae ect 103 USER used epe dem Ql vat 103 UOT estes aac E r A A T E 104 o etat 104 A A 105 SECTION 6 EC1X OPTIONS 2 106 POWER OPTIONS ap cision reiting rad 106 COOLING OPTIONS rari eger gie ee evs one tev depende 107 PORT AND WINDOW nre 107 SECTION 7 SPECIFICATIONS 220 0400 108 SECTION 68 111 EC1x ver 0712 Pg 5 BLOWER MOTOR INSPECTION AND CLEANING
9. 391 ZH 09 05 123 SWALSAS 31 084103414 NNS 3d 35184 350713 H3d0 47 19Hd0N 32951193 19194 9 adad343 HI HILIMNSOSI Hd 30d WAL 310434 d E 55 d3iddH 952 EI 401Ow 8 DE e n e 003 020 927 TaS sid 55 ua Hoo DL m 88 61 moo 5 BOs gt eo 1234 300144 C n 14 5 I d ec in 501129895 ass Mud T e HESH g J RII pal at 00l 5084 100 181010 Br af em 01241002 l ES i o y H 5n 9 cC 3 kera 1h Bele Bo wos LTE Baloo dita 18034 42825133 Lun 2 Pg 123 EC1x ver 0712 124 1 ver 0712 SECTION 11 Wiring Schematics V Cooling and Limit Module There are several ways to determine if your chamber incorporates cool valve and Limit Mod ule Electronic Fail
10. DH BH OGOOOOOQO GS ME MOLT HTML BOS 41 KIJI TIN SSMS IDEST lt T C ROTTS E HLE 919 SEES MHLE un 129 1 ver 0712 220 EC13HA LM EC15HA LM EC16 LM EC16HA LM with Cool Valve Add SIEDOUPS 0519 1704 037 95 LHOd3 JHL davoga 071 7002 02 76 430 TIIN Sindino 1010212 1000 119 ON 9141 JHL 30 43117041822 123 HSH 3339348 JHL HI ZH 0970C Bre BBe W I BHKXIO3 HOLIMSOAJIM JHL 54141 53539 JINO YH9193 8 vHSL23 vHEL23 5 OL 1494870 4498 lt 3I 374no20Hd3HL add 51 SAS 21 NDL 2313 NIIS uo 51 juerquiy 23133343 DMILL3JS 111 2 23133543 51 OHILL35 TL EE TEM ELIUHMOJ 1 01104 JHL ANY OL 300
11. ted an lh 57 MATRIX SYSTEM CONTROLLED BY DIGITAL PARALLEL USER INTERFACE 58 MATRIX FUNCTIONAL BLOCK DIAGRAM 58 MATRIX USER 7 59 ANALOG I O INTERFACE tain duvet o e te i ee od 60 ANALOG I O INTERFACE 2 15 44 00 000000000000 60 ANALOG I O INTERFACE COMMANDS 60 ANALOG PORT SCHEMATIC aa 61 PARALLEL PRINTER AND EXTRA BIT W O enne nennen tenent senten nenne 62 PRINTER EXPANSION 62 PROBE INTERFACE with connection 63 Chamber Probe loc PC1 and User Probe loc PU1 Connector Wiring Diagram Rev G Ver 10 xx 63 Ch 3 Ch 4 Probe loc PX1 Connector Wiring Diagram Rev G Ver 10 63 Chamber Probe and User Probe Connector Wiring Diagram Revisions Prior to Rev G Ver 10 xx 64 PROCESS CONTROL OUT PUTS vn 64 SECTION 5 DETAILED COMMAND DESCRIPTIONS
12. 111 EXPECTORANT FILTER GEEANING 111 113 TEMPERATURE CONTROLLER SECTION REMOVAL AND REPLACEMENT 113 HEATER ELEMENT REMOVAL AND REPLACEMENT enne nnne nnne nnns 113 HEATER ELEMENT REPLACEMENT 114 MECHANICAL FAIL SAFE REMOVAL AND 222 115 BLOWER MOTOR 116 SECTION 10 Wiring Schematics Cooling eene 117 120 3 Wire ECIA EG10 E C12 erecto kt ere esee 118 220 3 Wire EC1A 10 12 6 a Panne Y 119 220 Vac 3 Wire E 120 220 Vat Wire EOI IEEE 121 220 Wire EC15HA 16 EC16HA 122 220 Vac 4 Wire EC1A EC11A EC10 EC11 EC12 123 SECTION 11 Wiring Schematics Vdc Cooling and Limit Module 125 120 Vac Wire EC1A LM EC10 LM 2 126 220 Vac Wire EC1A LM EC10 LM 2 127 220 Vac Wire EC11A LM EC1 3W LM enne 128 220 Vac 3 Wires EC HLM P DER 129 220 Vac Wire EC13HA LM EC15HA LM EC16 LM 16 130 220 Vac 4 Wire
13. 3 TIM d3390384 59194 43 344 UM OL 1 4 4432 E 43033253 SC 9 111135 111 HJHH 2 30331343 SC HILL3S TLN WAHM a oe 230653 i 4121 LI 131 1 0712 132 1 ver 0712 SECTION 12 Wiring Schematics Cooling There are several ways to determine if your chamber incorporates a cool valve 1 A chamber information sheet can be found on page 2 of this manual Verify that the serial num ber located on the ID tag at the rear of the chamber matches the serial number recorded on this information sheet then check under Coolant Type If the chamber was manufactured with V cooling will be check marked Note This infomation sheet records the chamber setup at time of manufacture and assumes no later modifications have been made 2 AV coolassembly will have two black wires running to the I O board They WILL have a bridge rectifier connecting between them Note On much older chambers these two wires may be red These indicate a cool assembly as well 3 The I O board for a chamber will have either part number 840023 silkscreend in white on the left side of the board or part number 10 on the top left corner Note These are the part num
14. reos e toos ta 3 Pg 141 EC1x ver 0712 142 1 ver 0712 SECTION 14 REPLACEMENT PARTS Cool Assembly LN LNDC1T specify HI or LOW psi Cool Assembly LN 120 Vac LN1V1T specify HI LOW psi Cool Assembly LN 208 220 Vac LN2V1T specify Hl or LOW psi Cool Assembly LCO Vdc 850 psi CHDC1T Cool Assembly LCO 120 Vac 850 psi CH1V1T Cool Assembly 208 240 Vac 850 psi CH2V1T Cool Assembly 300 psi CLDCWLNV Cool Assembly LCO 120 Vac 300 psi CL1V1T Cool Assembly LCO 208 220 Vac 300 psi CL2V1T Bimetal Fail Safe Normally Open 800008 EC11A EC10 EC11 Blower Wheel 490002 EC12 EC1 3W Blower Wheel 490003 EC13 Blower Wheel 490010 EC13HA EC15HA EC16 EC16HA Blower Wheel Counter Clockwise 490009 EC13HA EC15HA EC16 EC16HA Blower Wheel Clockwise 490010 EC1A 11A Type Chamber Probe 980090G 18 Type User Probe 980091 G 27 EC10 11 Type K Chamber Probe 980090G 18 User Probe 980091G 29 EC12 13 13HA Type K Chamber Probe 980090G 22 Type User Probe 980091G 39 EC16 15HA 16HA Chamber Probe 980090G 23 K User Probe 980091G 44 EC1 3W Type K Chamber Probe 980090G 24 5 Type User Probe 980091 G 38 5 Assembled I O Board for VAC Cool Valve 980036 Assembled I O Board for VDC Cool Valve 981046 Heater 25 AMP SSR 800003 Expectora
15. 34111 ZH B9 BS 8 ME 123 5 1545 2INO amp 812313 NNS 3614 Sa dd SIT 29 384 T Au O OO UO mnt ia O NI 040 547 SMS aes az S 2563 pos HL E RITU OE HILEHSDAJLH 519 Bb 1234 390 C D Li ra 1 un m 7602 dde ac n 8 E tis a fd n 35435 Lugano 8 14 401129992 310d enm ILO 5H 455 LE IMDB HIME Gri 310004 LMT P 5 NAA O F 855 a31U3H 058 O 64191 inn 71011210 O 1229 1002 gt x 4 S e r 4010 2 2 802 d ands aan 1114 031 3495718 1399 JHL 487003 517541902 19934 42228144 440 SindlnO MOLIS WALI 819 ONY 965 azl gu O O O 9 G dh 16 1002 119 049 01 14 03 4141 381 40
16. Function Terminate local program editing or remote program downloading Syntax END Description The END command terminates program editing when editing local programs from the local keyboard and terminates remote program downloading when using the STORE command from a remote host computer Restrictions None See Also EDIT STORE Example This example illustrates entering a local program from the front panel keyboard The local program consists of a call to LP 2 a breakpoint which displays the number 1 and a call to LP 5 EDIT 0 edit local prog 0 END controller response on LCD display GOSUB 2 ENTERprog calltolocal prog 2 END controller response BKPNT1 ENTER breakpoint between calls to LP 2 and LP 5 END controller response GOSUB 5 ENTER prog call tolocal prog 5 END controller response END end local program editing Pg 76 EC1x ver 0712 Function Loop definition command for local programming Syntax FOR Im Beginning Value gt lt Ending Value or FOR Im Beginning Value gt lt Ending Value FOR Im Beginning Value gt lt Ending Value NEXT Im Description The FOR NEXT loop command provides looping capability for local program operation Commands contained within the boundaries between the FOR statement and the NEXT statement are repeated as defined by the FOR statement The beginning or ending value may be any integer value or an variable value The F
17. POWER watts VOLTAGE vac single phase wire line cord PROBE TYPES chamber user DEFAULT PID HEAT P D DEFAULT PID COOL P D FAIL SAFE TYPE Mechanical Electronic TESTED BY DATE Pg2 EC1x ver 0712 5 SECTION 1 GENERAL INFORMATION 7 INTRODUCTION rr EET 7 LIMITED WARRANTY retener nennen 7 ECIX DESCRIPTION menirii dedo pee dune eR 8 OPERATIONAL MODES nier ete e Hte er E tet ren 8 USER PROBE ee 8 LOCAL CONTROL PANEL rtis inns 8 REMOTE GPIB OR RS232 422 OPERATION 9 DATA ACQUISITION AND 9 EC1X COMPONENT 9 CHAMBER 10 CHAMBER REAR VIEW EC1X with Mechanical 11 CHAMBER REAR VIEW OF with Electronic Fail Safe 11 CHAMBER REAR VIEW OF EC1XHA with Mechanical 12 CHAMBER REAR VIEW OF EC1 3W with Electronic Fail Safe 2 13 CONTROLLER SECTION SEPARATED OF EC1X amp EC1XHA REV 14 CONTROLLER SE
18. ard be 031 E ZH 98 290011 123 5131545 QJINDALIS TA NNS Tee LOH 3411 28 5 351 35013 10H 340 173480 34951193 HI HL HILEHS DAJE r3ad5dB 3769 nn A040 180535 020 LAJH 555 amm 455 Wes 10092 270005 1909 4599 a sna 3a 3231002 1281002 AX n DP din 34 HISH OL T 82 51 Pp Sos M 1334 300144 m e J n amp z dde dur n rt m n atu e Gd HDdi FB T Hiss nE 5094 TLISIG T Mm 2 150 un 5 o 8 51552 amp Sandi z 9 Ths mao 1 ver 0712 Pg 118 220 3Wire EC1A EC10 EC12 with Cool Valve S286 pe Janod 071 381
19. where m 0 thru 9 FOR statement marks the beginning of a loop The variable is either incremented default or decremented from the starting integer to the ending integer FOR statements may be nested 4 deep NEXTIm NEXTIm marks the end of the FOR loop Im nnnn where m 0 thru 9 and nnnn 32767 thru 32768 Set integer Im to 16 bit signed integer value GOSUBm m 0 thru 9 GOSUB calls a program as a Subroutine and may be nested 4 deep END End of program statement Or return if called as a subroutine LIST m List program to aremote interface STORE m Store program from a remote interface MODEL TC01 ECOX COMPATIBILITY COMMANDS The Model EC1x provides limited upwards compatibility with our Model 1 temperature controller and our Model ECOx environmental chambers as described below Consult your TCO1 manual for a complete definition of these commands nnn nC Set Chamber Temperature deg C C Examine Chamber Temperature deg C Pg 40 EC1x ver 0712 nnn nM Set Time at Temperature Waittime minutes M Examine Time at Temperature minutes T Examine Chamber Temperature in deg C always nnnUTL Set Upper Temperature Limit deg C UTL Examine Upper Temperature Limit deg C Isss sss Transfer String sss sss received from GPIB to RS232 422 interface S Transfer next string received from RS232 422 interface to GPIB DEVICE COMMANDS The device I O commands permit communication fro
20. AUX yo PORA Main Line Port Cord Fuse Blower Motors Pg 12 EC1x ver 0712 CHAMBER REAR VIEW EC1 3W with Electronic Fail Safe Electronic E Failsafe 3 E without flow control Exhaust Port EC1x ver 0712 Pg 13 CONTROLLER SECTION SEPARATED OF EC1X amp EC1XHA REV Pg 14 EC1x ver 0712 CONTROLLER SECTION SEPARATED OF EC1 3W REV E EC1x ver 0712 Pg 15 16 CONTROLLER SECTION MAIN BOARD COVER REMOVED REV Chamber Probe OM User Probe 1 Ch 3 8 Ch 4 Probe Gate Array Switching Supply EC1x ver 0712 CHAMBER WITH AIR BAFFLE REMOVED ver 0712 Pg 17 CHAMBER INTERNAL REAR VIEW Heater Element Terminals 9 Failsafe Thermostst Mechanical mem e Blower Motor Pg 18 EC1x ver 0712 CHAMBER INTERNAL REAR VIEW OF EC1 3W EC1x ver 0712 Pg 19 NITROGEN GAS PURGE WITH NEEDLE VALVE Pg 20 EC1x ver 0712 FRONT PANEL EC1x ver 0712 Pg 21 Pg 22 REAR PANEL RS232 422 SPI B 5 PRINTER 1 0 USER REAR PANEL EC1x ver 0712 SECTION 2 RECEIVING SAFETY AND INSTALLATION INITIAL INSPECTION AND UNPACKING Inspect the shipping container for obvious damage If the shipping container is da
21. Aan 082N7n 6 4 S 1 SNId JTA lt 00099 ILON ANG AAS aan 6 01 gr 90 Se 39 11 91 2 3t 90 90 SI 90 vl sa so SI 2 SI so 20 Sindino e 8 E GI 50 59 50 21 50 gre eU ESI i 10 pA 4 1 39 en OF S2HFZ 29 6T ISdS AS M 5018 LMS Z 9 8 HZ v 2v JIA LSdS AS 5 v2 JOA 15975 Zn 9 St 40 51 Zi ST 5 90 90 i 21 en 21 5 va vo A 4 2 2 e 2 i en n 36 3412 35A 1 7978 mye ven 1 7490 gi 90 80 gi T 18 9uv8 zt 20 cavo payo EI 21 cavo 7 0 ets 4 9 8 01 4 Z 20 9 NId v 2 5 Pg 57 EC1x ver 0712 MATRIX SYSTEM CONTROLLED BY DIGITAL PARALLEL USER INTERFACE Sun Systems automatic switching matrix is designed to provide automated temperature testing of electronics components such as resistors diodes capacitors 3 and 4 lead transistors etc The matrix consists of the control logic and switching bu
22. 022 802 cun s 00000000 SEX 56 5 HA3H SN31SAS OINOHLO3T3 NAS OL JVA SL S3WHOJSNVHL t 555 VL 1 2 55 lee LO Qi Ze Z 1005 3t 8 1 ZL iL 1002 Lass vi B PL NE 8571 H 1 955 VI 69 2 t 53 2 MSS VL 20 2 1009 FO 12 1 ver 0712 140 220 4 EC1A LM EC10 LM EC12 LM with Cool Valve 35 jesus 1002 9I 11501 0 2 802 M L23 B 4aquiN 2215 15 5 9140515373 NNS INNT ov dny 0 2 06 11095 ONT 99 17 SIVE NI HOLIMSOMOIN 2 2 NO 310d wna 2399151 310W3H 2 pal ssw ew LE SISASHOJSNVM L ASN3
23. 1 ver 0712 240 V 4 Wire EC1A EC11A EC10 EC11 EC12 EC13 with V Cool Valve 35 S66T 7595451 m v 022 802 azis SUI SWALSAS 13 NNS asia 19134 16 NI 152 vna M31V3H 25 Sc 010 IVA lt 70023 022 802 2 9 ee AIV HMV NI UNS 37 252271 56 5 SW31SAS 95140415373 NNS QavDIH IVA 5 Te 1005 71005 7009 TANNA 1H 7005 1 T38 NY ESTLEIJA zs 002 RR 1 ver 0712 138 SECTION 13 Wiring Schematics Cooling and Limit Module There are several ways to determine if your chamber incorporates a cool valve and Limit Mod ule Electronic Fail Safe 1 A cha
24. address data where device number of ANALOG PORT 153 where address of ANALOG PORT isa channel 0 to where data of ANALOG PORT is a base ten number from 0 to 255 The A D to D A data is 0 at low level and 255 at high level OUT3 c x where channel 0 1 20 3 where x base ten number from 0 to 255 The A D to D AisOlowlevel and 255 at high level when x 0 represents Ov for Ov to 5v output range low level represents 5v for 5v to 5v output range represents OmA for OmA to 20mA output range when 255 represents 5v for Ov to 5v output range high level represents 5v for 5v to 5v output range represents 20mA for to 20mA output range Note The unit will accept a data value larger than 255 ie 0 low value 255 high value 256 low value 511 high value 512 low value etc In order for the OUT3 command to work properly in alocal program you must use an integer value from 0 255 Assuming a0 5V analog output range to obtain the integer value you need to pro duce the correct voltage you must divide the desired voltage by 5V and multiply this result by 255 Vint Vx 5 255 To obtain 1V 1 5 255 51 you would issue the command OUT3 2 51 and to produce 5V you would issue the command OUT3 2 255 5 5 255 255 Formulas to determine decimal numbers from 0 255 to provide desired voltage For0 5V Range V desired ie V Z0V x 0 X x 255 V 5V x 255 5 For 0 20 Ran
25. tiit tette te eate 25 N2 GAS PURGE 1 it gr mae tette ig Cie ee 25 GAS PURGE WITH NEEDLE indir nennen in nnn 26 GAS PURGE No Needle 26 AMBIENT AIR BLOWER SYSTEM esses 27 AMBIENT AIR BLOWER INSTALLATION 27 SETTING EHE EAIE SAEE rettet rtt tea dee rdi i 27 SETTING THE MECHANICAL 2 27 SETTING THE ELECTRONIC 28 EC1X CHAMBER INSTALLATION nsa nennt 30 INITIAL START UP To set a single temperature 30 SAMPLE LOGAL PROGRAM ect ncc god Eee eg 31 SAMPEE EOCALE PROGRAM 33 SECTION 3 OPERATION AND COMMAND OVERVIEW 35 COMMAND OVERVIEW 35 CONTROL PANEL dehet od RR ae 35 PARAMETER ENTRY rene dee ad tenet dad ea uode vt 36 RS232 422 SERIAL PORT PROTOCOLS 0000000 36 RS232 WIRING DIAGRAM otia
26. 7005 1 88 9 7003 OVA 022 802 lt gt 1000 1 0712 136 240 V 3Wire EC11A EC10 EC11 EC12 EC13 with V Cool Valve ov asia ND 35073 ATIVWaON 39 35548 430031507 ZH 09 06 OWA 0 ARAWVHO xI Hauna SW31SAS 33 NNS 3349519 29130 18 aava NI HILIAMSOASIW mn 19 aed T ET 9 370d Aaa 4 usce E UND No 7905 MSS 1000 YOLOW IVA 28 monas 7009 gn 1005 mcm 56 5 X123 pa SHBLSAS 2140512373 NNS NIVW ST 137
27. J385 335IT FO amp e0e x13 3HI E 022 802 HU X133 BUT SW31SAS 9140415373 NNS HE INIT 29 3stH 35079 3495194 29 13 1 NI HOLIASDIOIN ST M3OUIBML S31V3H 55 W31V3H SOLOW OVA 022 808 7009 OVA 092 805 T ee clone M3 AD18 HAV m DUI Su31SAS AINDAM123313 NIVW 01 OVA BI XDeddv WOJ 7955 55710 NI ann 38 E gD X3 t 1005 te 28 135 EC1x ver 0712 220 EC13HA EC15HA EC16 EC16HA with V Cool Valve xesus S661 193 901 OVA 082 902 VH9TOd 499unN ezis DUI SsW31sAS NNS 1593 06 asna av asta 350195 aavstiva L 1 ane 13 SJe
28. 34018 419 deere 5 3 524 05 ouo SH UST 36 14 1544 diet QU y 3614 1544 7 t AHI rr 2 2 ass 92 to a O ada 62 51 m 5 08 a Enea ru DO 519 Lad 1334 331143 ue 183 Ge 1449 ac 35435 EYE in 310d WNL 03704 95 1 241 5434 1 ass Hg Fi EBENE e G Ed 001 Ca T 5 T te T 1060 5099 ino 7811510 HEELS 1002 4 20 HBB5 Br HEES B aree HL PH EH MM Za po us ons n o sanana mae PIN RTI HDCLYOD LHSH313 gr Chee 381003 1 581003 ida 42 28033 sos au OOOOOQO QO mw 8 BOE Bee anid 1002 20 EN nn 25 F ye E 1 ver 0712 Pg 130 220 4Wire EC1A LM EC11A LM EC10 LM EC11 LM EC12 LM EC13 LM with Cool Valve anaypay DL
29. Restrictions None See Also IN AB and AMB BLOWER SDEF Menufor EC1xHA chambers only Example OUT0 5 1 set Bit I O port bit 5 OUT1 7 0 output data 0 to address 7 for the USER bus OUT1 20 0F output HEX F to addr HEX 20 USER bus OUT3 2 128 output 128 to channel 2 D A port OUTO 2 1 turn on ambient blower OUT0 2 0 turn off ambient blower Example for Ambient Blower Note Care must be used when using the OUT command to control the blower since there is no chamber temperature checking or heat and cool disable RATE 20 WAIT 10 SET 100 goto 100 for 10 minutes HOFF disable heating WAIT 0 0 5 seta short 5 second wait time OUT0 2 1 turn on the blower SET 35 cool to 35 with blower and expectorant OUT0 2 0 turn off ambient blower HON enable heating WAIT 10 SET 25 now continue to 25 deg etc Also if you enable the air blower using the OUT0 2 1 command while the AMB BLOWER COOL is enabled the SDEF MENU the BLOWER COOL gets precedence and will automatically shut the air blower off if the difference between the chamber temperature and the set point is less than 1 Deg SeeAMB BLOWER COOL in the SDEF MENU Pg 84 EC1x ver 0712 Example for Switching Matrix The following commands are provided for selection of components for test via the SUN SYSTEMS matrix The following commands are sent to the chamber controller via the Front Panel built in RS232 RS422 or GPIB busses T
30. o eq RELAY 4 5 60 amp CTL RELAY 4PST INPUT FROM CHAMBER CONTROLLER 5 2 1 of 5 COMPONENT BOARDS SUN ELECTRONIC SYSTEMS Inc Size A Document Number MTS 1 FUNCTIONAL BLOCK DIAG REV Date Ociober 21 1997 Sheet Pg 58 EC1x ver 0712 MATRIX USER INTERFACE USER 1 0 PORT 300 VOLT MAX PEAK 3 AMP MAX CARRY CURRENT NOTE For long relay life remove user drive before selecting another device for measurement 4 WIRE MEASUREMENTS ARE PERFORMED USING 1 through 4 8 WIRE MEASUREMENTS ARE PERFORMED USING 1 through 8 3 4 AXIAL COMPONENT TYPE Q O s scie 1 5 SUN ELECTRONIC SYSTEMS Inc SCIG Size Document Number REV USER INTERFACE G G C A Date March 24 1995 5 ot EC1x ver 0712 Pg 59 ANALOG I O INTERFACE The analog I O interface is useful for interfacing with sensors instrumentation and control devices A communication interface may output 8 bit data to up to 4 different channels of analog output designated channel AO 0 3 In addition a communication interface may read an 8 bit value corresponding to the analog voltage present on up to 4 channels of analog input designated chan nels ANO 3 Inthe SDEF menu
31. red SHIFT END blueENTER Displays BKPNT 1 Pause see BKPNT command Displays RATE 25 setramp rate for 25 deg min Displays 0 7 3 0 wait 7 and 30 sec Displays 0 at0 degrees Displays BKPNT2 Pause see BKPNT command Displays NEXT 10 end of For Next loop of 5 cycles Displays ENDLP local edit now done Torunthe program green SHIFT RUN 0 blue ENTER Runs Local Program 0 Pg 32 EC1x ver 0712 SAMPLE LOCAL PROGRAM Red EDIT 0 ENTER Red FOR 0 2 0 20 ENTER Green RATE 100 ENTER Green WAIT 45 ENTER Green SET2 125 ENTER Green WAIT 30 ENTER Green SET 55 ENTER Red NEXT 0 ENTER Green WAIT 1 ENTER Green 5 25 ENTER Red END ENTER To start the program Green RUN 0 ENTER See Commands in back of manual in alphabetical order EC1x ver 0712 Edit Program 0 Cycles 20 Set Ramping Rate for 100 C min Wait 45 minutes at 125 C Wait 30 minutes at 55 C End For Next loop of 20 Cycles Wait 1 minute at 25 End Local program edit Pg 33 34 1 ver 0712 SECTION 3 OPERATION AND COMMAND OVERVIEW The Model EC1x is very adaptable to your test system architecture requirements Whether issuing commands from the local front panel keyboard or remotely from over the IEEE 488 GPIB interface or RS232 422 serial interface you have full control of the Model EC1x capabilities This chapter starts off with a command overview section to assist users who are n
32. 0712 SECTION 5 DETAILED COMMAND DESCRIPTIONS AB Function Controls the ambient air blower Syntax turns on ambient blower for n n minutes ABzn n m m turn on ambient blower for n n minutes or until m m degrees set temperature is reached Description Ifin the SDEF Menu BLOWER COOL is set to NO then ABzn n command automatically disables heating and cooling during the time that the blower is on When encountered in alocal program program execution will be suspended until the blower has finished then the program will continue atthe next line A command error will result if the chamber temperature is less than 25 C since the ambient blower is to be used to cool the chamber only AB n n m m command turns on the blower until the time limit expires or until the set tem perature is reached m m must be greater than 25 C and the chamber temperature must be greater than m m when the command is executed Heating is disabled during the time the command is active You mustdisable cooling if none is desired Ifinthe SDEF Menu AMB BLOWER COOL issetto YES and the AB command is used to enable the ambient air blower then the AB command gets prece dence However if you enable the air blower using the OUTO 2 1 commandthe BLOWER COOL gets precedence and will automatically shut the air blower off if the difference between the cham ber temperature and the set point is less than 1 Deg C Restrictions This command is for EC
33. GOSUBm or GOSUB m Description The GOSUB command allows local programs to be called by other local programs as sub routines At the end of a local program called by a GOSUB command execution commences at the command following the GOSUB command in the calling program Nesting is supported for four levels with the top level program as nest 1 variables are global to all local programs Restrictions This command is only valid the EDIT mode which is used to create a local program See Also Sample Local Program in Section 2 STORE FOR NEXT Example FOR 1320 10 set FOR NEXT for 10 cycles GOSUB 0 execute program in LP 0 GOSUB 1 execute program in LP 1 NEXTIS end FOR NEXT loop for variable END end of LP 2 HOFF Function Disable chamber heating Syntax HOFF Description The HOFF command permits a remote interface to disable chamber heating by the control ler The front panel HEAT switch also disables controller heat function when depressed if heat was enabled When editing local programs from the front panel keyboard depressing the HEAT switch on the front panel ENTERs either HON or HOFF If the opposite action is desired cancel the entry and re ENTER to get the correct action All local programs default to HON at the begin ning Restrictions None See Also CON COFF HON Example HOFF disable chamber heating Pg 78 EC1x ver 0712 Function Enable chamber heating Syntax HON Description The HON c
34. bers for just the bare boards The part numbers for ordering replacement I O boards be found in Section 14 EC1x ver 0712 Pg 133 110 3 EC1A EC10 EC12 with Cool Valve 35 333uS TI 2300130 2012 ZH 09 06 OTT 504 X123 Sal Lagu azis DUI SWALSAS JINDBI2J313 NIIS D I DABS 3NI 29 asia 5015 349517119 1 18 NI HOLIASUMOIW O 9 819 6 1V3H NI 534 9 v sd 51149384 WaLAIN AaWADASNVAL 3104 1009 1 1 4 MSS 2s 1003 193 ommo 18 c T4 71005 lt 0092 000066 SUI SWALSAS NNS HET OL OVA NIYW 1 ver 0712 134 220 V 3Wire EC11A EC10 EC11 EC12 EC13 with Cool Valve Jo 55 5 S66I
35. 2 thru 4 Calibrate the thermostat under the procedures described in section 2 of this manual EC1x ver 0712 Pg 115 BLOWER MOTOR REPLACEMENT A noisy motor may indicate that the shaft is out of alignment or the bearings are bad To realign by hand gently move the motor up and down left and right If the noise continues the motor will needto be replaced Perform the following procedure for removal and replacement STEP1 Unplug the chamber from the line voltage Turn off the expectorant supply and disconnect expec torant supply hose from the chamber Insure that the heating elements and the interior ofthe chamber have had time to reach ambient temperature STEP2 Follow the steps required to remove the temperature controller section as described earlier REMOVE AIR BAFFLE STEPS3 Remove the 3 6 32 screws and the 4 8 32 screws located around the blower air intake on the rear wall of the interior of the test chamber 4 emove the 2 6 32 screws located on the ceiling of the test chamber and the air baffle EMOVE CHAMBER BACK PLATE R R STEP5 Remove the 14 or 18 6 screws located on the perimeter of the chamber back plate and care fully pivot back plate away without stress to the line or fuse wiring STEP6 From inside the test chamber remove the blower wheel by loosening the set screw which holds the wheel to the motor shaft STEP7 Locate and follow the two wires connected to the blower motor
36. CAL mode permits selection of temperature scale C F K probe type and probe calibration for both the chamber and USER probes The SDEF mode permits modification of the Model EC1x default parameters such as GPIB address D A output configurations alarm function and loud ness etc The SINT mode permits modification of the Model EC1x interrupt configuration parame ters such as audible alarm function GPIB SRQ functions etc USER PROBE The USER probe is located within the test chamber area for direct measurement capability on the unit under test The USER probe is electrically isolated from other chamber electronics per mitting the probe to be directly attached to devices containing voltages up to 200 volts DC In the CAL menu the probe type for the USER probe can be selected to be an RTD J or Thermocouple The unit is shipped with a type K thermocouple The USER probe value is normally displayed on the control panel line 2 and may be read remotely from a host computer LOCAL CONTROL PANEL OPERATION The Model EC1x can operate in a stand alone configuration through the use of its control panel located on the front of the unit Most keys perform one primary and two alternate functions The primary function of any key is indicated by the black colored character below the key The two Pg8 EC1x ver 0712 alternate functions are indicated by the red and green character above the key To select the mary function below the key press
37. E ZH OUnhBbc BBe X123 5 315 5 9140419373 5 ANIT 26 oy UU iw CAS deba ua X Hd eni O ONS ONI 547 m sew 20500 34951163 8 Jun 79134 19 5 E 250 EN 3 oH T 12334 300 S d j ar g ad Ux Tay 9 24 29442 bot o d3ad3dB 3101 nn SESS MSS CE aang E debE HOM Ed ca V 8 1 F 1005 CT 455 mac c T 1 zi 5094 100 1911910 3 11 81001 gt 1 er sr LA o eR DDJ BL E nj 92 21095 Cp gt 2 EE 20 Zann 34 vom 10057 mm E 41 3857002 4054 ze 32 CHOSE Pes 992 J C G G G Cy Cy C 119 1 0712 220V 3 Wire EC11A EC13 w
38. EC1A LM EC11A LM EC10 LM EC11 LM EC12 LM EC13 LM 131 SECTION 12 Wiring Schematics Vac Cooling 133 110 Vac Wire EC1A 10 2 134 220 Vac Wire EC1A EC11A EC10 EC11 EC12 135 220 Wire EC13HA EC15HA EC16 EC16HA 136 240 Vac Wire EC1A EC11A EC10 EC11 EC12 137 240 Vac 4 Wire EC1A EC11A EC10 EC11 EC12 138 SECTION 13 Wiring Schematics Vac Cooling and Limit Module 139 220 Vac Wire EC1A LM EC10 LM EC12 LM esses nennen 140 220 Vac 4 Wire EC1A LM EC10 LM EC12 LM esses nnne nnne nnne nnns 141 SECTION 14 REPLACEMENT tinet see 143 SECTION 15 ERROR MESSAGES gerente ee uui medi c ue 145 Pg6 EC1x ver 0712 SECTION 1 GENERAL INFORMATION INTRODUCTION Thank you for your purchase ofthe EC1x Environmental Chamber Your new chamber was manufactured under stringent quality control procedures to ensure trouble free operation for many years of service If you should encounter difficulties with the use or operation of your chamber contact Sun Systems Customer Service Department between the hours of 9 00 and 5 00 EST As with all Sun Systems products we would appreciate any comments suggestions or
39. ENTER CAL mode The probe types that are currently configured will be display for about seconds Topline is Chamber probe bottom line is User probe Calibrate Probes Yes No ENTER Yes if you really want to change a probe type and or calibrate a probe ENTER No if you only desire to modify scale K forthe CHAMBER and or USER probe If you answer Yes to above ENTER CAL ACCESS CODE Atthis point the menu is asking for an access number reduce the chance of unauthorized or accidental entry to the CAL routines The default access code as shipped from the factory is 9 The access code may be changed to any floating point number in the SINT menu CAL CHAM Probe Yes No ENTER Yes to calibrate the chamber probe If you answer Yes to CAL CHAM PROBE select probe type NOTE Once a type is selected you are committed to calibrating at 0 and 100 C for probes EC1x chambers are shipped from factory with type K thermocouples installed for chamber and user probes RTD 385 PROBE Yes No range 200 to 320 DIN 43760 RTD 392 PROBE Yes No range 200 to 320 C J Thermocouple Yes No range 200 to 320 C K Thermocouple Yes No range 200 to 320 C T Thermocouple Yes No range 200 to 320 C Diode Probe Yes No range 200 to 320 C If atemperature probe type was selected Probe at 0 C ICE WATER Y N Set probe to 0 ENTER YES when ready Probe at 100 C BOILING WATER Y N
40. ENTER GPIB interface max lockup time If Time 0 then GPIB lockup interrupts are disabled Timeout Pre_Time 0 59 sec ENTER GPIB SRQ or Serial Interface advanced interrupt generation before actual wait period timeout Power Down Restart 0 59 min Disables automatic restart of controller above set minutes Serial Port Mode 1 RS232 2 RS422 ENTER 1 2 EC1x ver 0712 Pg 41 RS Char Echo Y N Baud Rate 1238 400 to 422400 RS DTR CTS on Y N Buzzer Volume 0 OFF to 3 Line Frequency 12 60Hz 22 50Hz Chart CHAM on A Y N Chart USER on Y N If printer option installed Enable Printer Y N Lines min 1 to 6 Low Chart value High Chart Value at Wait Trigger Setup Coolant Valves LCO 850 PSI Auto 3 Tank CO CO 300 PSI ENTER YES for serial port character echo ENTER 1 through 4 1 38 400 Baud 2 19 200 3 9600 4 2400 ENTER YES for hardware handshake ENTER 0 OFF 1 SOFT 2 MEDIUM 3 LOUD ENTER 1 for 60 Hz or 2 for 50 Hz line frequency Chart chamber temperature on D A output channelA ENTER Yesor No If YES then the controller prompts ENTER Low value ENTER lowest value to chart in degrees for this channel ENTER High value ENTER highest value to chart in degrees for this channel Chart USER probe temperature on D A output channel B ENTER Yes or No If YES then the controller prompts ENTER Low value ENTER lo
41. SRQ OVERFLOW message The message is just to inform you that an interrupt has not been ser viced and can be ignored without causing any problem Also by disabling interrupts in the SINT menu or via SINT2command the interrupts may be turned off The parallel poll bit as set in the SINT menu be used to increase interrupt service speed when there are a number of inter rupting devices on the GPIB bus GPIB PORT PROTOCOLS When CMD ERROR are enabled the GPIB port sends a CMD ERROR SRQ interrupt on commands received with errors If command error interrupts are disabled then no response is sent to the GPIB port if command errors are detected In all cases the only data that is sent to the GPIB interface by the controller is that which is requested by a command received by the control ler The GPIB port does respond with OK after commands that do not send back data since it does not require extra command handshaking The SDEF menu allows you to set the GPIB address and the GPIB LOCKUP TIME which is the length of time that the controller will waitfor the hostto accept data before generating a GPIB LOCKUP interrupt The SINT menu also provides the ability to set up the parallel poll POWER HEAT AND COOL ON OFF CONTROL COMMANDS These commands turn the Model EC1x main power on off and enable or disable the heat and cool functions On the Model EC1x control panel these functions have separate function keys located at t
42. Safe 1 Achamber information sheet can be found on page 2 of this manual Verify that the serial num ber located on the ID tag at the rear of the chamber matches the serial number recorded on this information sheet then check under Coolant Type If the chamber was manufactured with cooling there will be a check marked beside Vdc In addition under Fail Safe Type if the cham ber was manufactured with a Limit Module there will be a check marked beside Electronic Note This infomation sheet records the chamber setup at time of manufacture and assumes no later modifications have been made 2 The Limit Module is mounted on the chambers rear panel It is a small box with an LCD and circuit breaker switch 3 cool assembly will have two independent black wires running to the I O board They will NOT have a bridge rectifier connecting between them 4 The I O board for V chamber will have part number 840078 silkscreened in white on the left side of the board Note This is the part number for just the bare board The part number for order ing a replacement V O board can be found in Section 14 EC1x ver 0712 Pg 125 120 V 3Wire EC1A LM EC10 LM EC12 LM with Cool Valve SOM SERES 002 7026 1 ZH B9 BS 296021 1 1293 5131545 3140413237193 NDS 28 B Wal LH Did 381120 cu a OT
43. See Also STORE Example DELP 0 clear local program 0 STORE 0 ready controller for local program download sendlocal program END end download LIST 0 request upload of LP 0 local program displayed Pg 80 EC1x ver 0712 LLO Function RS 232 422 Command to lockout local keyboard Syntax LLO Description The Local Lockout LLO command may be issued from a host processor to lockout the local keyboard The LLO command only applies to host computers communicating over the RS 232 or RS 422 serial interfaces Local keyboard function may be unlocked thru the use of the RTL command Local keyboard lockout operation for host processors communicating over the IEEE 488 interface is a bus interface command The syntax varies according to the particular host com puter Restrictions RS 232 422 remote interface command only Each host GPIB interface uses unique syntax for local lockout commands See Also RTL Example LLO lockout local keyboard run sensitive testing RTL unlock local keyboard LTL Function Setor examine the lower temperature limit Syntax LTL2nnn n u Set LTL where u variable units C F K LTL Examine LTL default units Description The LTL command allows for setting the lower temperature limit which the controller will attempt to control The units for the LTL command are those as selected in the CAL menu for the chamber probe or the optional u units The optional u units can be accepted
44. T command is a 01 controller compatible command which examines the present temperature associated with the chamber probe The response is always in degrees centigrade Use the more general temperature command if possible Restrictions Remote interface command only See Also TEMP UCHAN Example SET 25 0 Set current set temperature to 25 C After ramp period ended T Examine current chamber temperature 25 1 Actual chamber temperature returned TEMP Examine current chamber temperature 25 1 Actual chamber temperature returned Pg 100 EC1x ver 0712 Function Set or Examine status of LCO or LN Tank Syntax Tank F Reset tank status to full Tank Examine status of tank Description These commands only apply ifthe LCO or LN 2 or 3 tank auto switch option is installed on your EC1x and the Auto Switch LCO or LN must be enabled in the SDEF menu The TANK F command is used to reset the tank status to full for all tanks This would be done after replacing the empty tanks The TANK 15 used to determine the full or empty status of each tank Restrictions Only applicable to the 3 tank LCO or 2 tank LN auto switch manifold Auto Switch LCO or LN must be enabled in the set default menu Example TANK F where TANK is red shifted IN key on the front panel resets all tanks to full TANK where TANK is the red shifted IN key from the front panel 1 E 2 F 3 F 1 The response is tank1 empty tank2 fu
45. and 300 PSI bulk delivery systems Delivery systems utilizing 300 PSI delivery pres sure require low pressure cooling option to be ordered with the chamber Follow the recommenda tions of your LCO supplier as to the correct methods to store and use your expectorant supply LCO2INSTALLATION PROCEDURE 1 The EC1x is equipped with a 1 8 SAE 37 flare male fitting If ordered for use with 850 PSILCO bottles then simply connect the hose supplied with the chamber between the LCO inlet fitting on the back of the chamber and the type K cylinder No regulators etc are required The adaptor tank fitting CGA 320 connected to the hose should fit on the LCO bottle Turn on the LCO supply and check for leaks 2 If the chamber was ordered for use with 300 PSI LCO then connect the hose supplied with the dewer vessel or bulk system to the LCO inlet fitting on the back of the chamber Hoses used with 300 PSI LCO should be thermally insulated since 300 PSI LCO is approximately at 0 C The adaptor between the hose and delivery system is not supplied Turn on the LCO delivery system and check for leaks Pg 24 EC1x ver 0712 LCO 3 TANK AUTO SWITCH The 3 tank automatic switching option is available on the EC1x chambers When en abled in the SDEF MENU the controller will sense when the cooling rate is low and automatically switch to the next tank This is a useful feature for users that use bottled LCO 850 psi for its long storage l
46. chamber temp on D AA Yzchart usertemp on D AB where position 1 2 3 4 Y optional printer enabled 5 6 Y auto cool off enabled Y auto 3 tank LCO switching enabled Y LN auto purge enabled 0 to for buzzer volume Ozoff SM Description The SDEF command allows for setting or examining the set default parameters over the GPIB RS232 or RS422 Restrictions Remote command only See Also See Set Default Menu in Section 3 of this manual Example SDEF YNNYNYN2 where position Y RS 1 40 not chart chamber temp on D AA N do not chart user temp D A B Y optional printer enabled N auto cool off disable Y auto 3 tank LCO switching enabled N LN auto purge disabled 2 medium buzzer volume Sa mI 1 ver 0712 Pg 95 SET Function Syntax Description Set or examine temperature segment final temperature SET2nnn n u SET Set segment final temperature Examine segment final temperature The SET command allows for setting or examining the final temperature within a tempera ture segment The temperature segment consists of the change of temperature defined by the RATE command from the chamber present temperature to the temperature defined by the SET command plus the time specified by the WAIT command to soak at the temperature defined by the SET command The units accepted by the SET command are those chosen in the probe CAL menu for the chamber probe if not specified b
47. criti cisms that you may have or develop regarding your evaluation of this equipment Please address your comments to Product Service Manager Sun Electronic Systems Inc 1845 Shepard Drive Titusville FL 32780 Tel 821 383 9400 Fax 321 383 9412 Website www sunelectronics com Email sales sunelectronics com LIMITED WARRANTY INFORMATION EC1A EC11A EC10 EC11 EC12 EC13 EC13HA EC1 3W EC15HA 16 amp EC16HA Environmental Chamber SUN ELECTRONIC SYSTEMS INC warrants this product to the original purchaser to be free from defects in material and workmanship and to operate within applicable specifications for a period of TWO 2 Years from the date of shipment provided it is used under normal operating conditions This warranty does not apply to sealed assemblies which have been opened orto any item which has been repaired or altered without SUN SYSTEMS authorization Risk of loss or damage to the product shall pass to the customer upon delivery by SUN SYSTEMS to the carrier at SUN SYSTEMS premises We will repair or at our option replace at no charge any of our products which in SUN SYSTEMS S judgment are found to be defective under the terms of this warranty Except for such repair or replacement SUN SUSTEMS will not be liable for any loss or damage to persons or prop erty caused either directly or indirectly by use of this product or for any incidental damages or for any consequential damages Before using
48. has a 6 nozzle which protrudes into the test chamber area Carefully re move the 5 6 screws which hold the cooling assembly on the mounting plate and pull the mod ule off the mounting plate in a perpendicular fashion REPLACEMENT Reverse steps 2 thru 4 MECHANICAL FAIL SAFE REMOVAL AND REPLACEMENT This applies only to the mechanical fail safe which is installed on all Models expect the Model EC1 3W If the electronic failsafe on the EC1 3W needs service contact Sun Electronic Systems The fail safe thermostat is located internally on the rear of the chamber If replacement of the fail safe is deemed necessary follow the procedure below STEP 1 Unplug the chamber from the line voltage Turn off the expectorant supply and disconnect expec torant supply hose from the chamber Insure that the heating elements and the interior of the chamber have had time to reach ambient temperature REMOVE CHAMBER BACK PLATE STEP2 Remove the 14 or 18 6 screws located on the perimeter of the chamber back plate and care fully pivot back plate away without stress to the line or fuse wiring STEP3 Remove the fiberglass insulation which covers the fail safe thermostat Locate the thermostat and disconnect the 2 wires attached in line to the thermostat utilizing quick disconnect terminals STEP4 Remove the 3 6 screws which hold the thermostat to the rear wall of the test chamber and re move the thermostat REPLACEMENT Reverse steps
49. inside and grasp the heater element and pull towards the front of the chamber REPLACEMENT Defective heater elements are replaced with new ceramic insulators and new heater element Reverse steps 2thru 7 for installation HEATER ELEMENT REPLACEMENT TABLE The following is a guide to the number and type of heater elements used in each chamber Chambers using both wattages the upper elements on each side are 800w and lower are 600w Model PN 980201 600 watt 980205 800 watt EC1A EC10 2 EC11A 4 EC11 2 2 EC1 3W 4 EC12 2 EC13 4 EC13HA EC15HA 4 4 EC16 EC16HA 4 4 COOLING MODULE ASSEMBLY REPLACEMENT The cooling module consists of the nozzle cool solenoid valve and associated plumbing necessary to deliver the expectorant to the test chamber STEP1 Unplug the chamber from the line voltage Turn off the expectorant supply and disconnect supply hose from the chamber Insure that the components which carry the expectorant have had time to reach ambient temperature Pg 114 EC1x ver 0712 STEP2 Follow the steps required to remove the controller chassis as described in Temperature control ler section removal SOLENOID VOLTAGE DISCONNECT STEP3 Locate and follow the two wires attached to the cool module and disconnectthe two wires from the board terminal block Write down positions that the two wires are connected so that you re connect the wires in the same fashion STEP4 The cooling assembly
50. to 55 0 C If after 1 hour the chamber runs out of coolant supply and chamber temperature starts to rise and if deviation interrupts are enabled in the SINT menu a deviation interrupt will be sent to the active remote interface Pg 74 1 ver 0712 EDIT Function X Editlocal program from the local keyboard Syntax EDITm or EDIT m Description The EDIT command allows for program loading and editing from the local keyboard lo cal program specified by m in the range of 0 to 9 may be edited by using the up and down arrows delete line DELL command or by ENTERing new commands which are placed in front of the command presently displayed on the front panel LCD display Local program editing is terminated by ENTERing the END command Restrictions Local keyboard command only See Also STORE LIST END Example This example illustrates entering and editing alocal program from the front panel keyboard The local program consists of a call to LP 2 a breakpoint which displays the number 1 anda callto LP 5 EC1x ver 0712 EDIT 0 edit local prog 0 END controller response on LCD display GOSUB 2 ENTERprog calltolocal prog 2 END controller response GOSUB 5 ENTER prog call tolocal prog 5 END controller response ARROW scroll up GOSUB 5 controller response BKPNT1 insert breakpoint between calls to LP 2 and LP 5 GOSUB 5 controller response END ENTER end local program editing command Pg 75
51. user manual Example VER Pg 104 EC1x ver 0712 Function Setor examine the temperature segment wait period Syntax WAIT hh mm ss set wait in hours minutes seconds WAIT mm set wait in minutes only mm 00 to 59 WAIT F OREVER set WAIT to forever WAIT examine current wait setting Description The WAIT command provides timing for the length of time the controller has maintained the set temperature The AT SET TRIGGER variable the SDEF menu determines when timing is started Once the wait period begins the wait time continues regardless of changes in chamber temperature When running a local program the next command in the program is exe cuted after the wait period has timed out In single temperature mode the controller continues to maintain the set temperature after the wait period time out During the wait period examination of WAIT returns the time remaining in the wait period After the end of a wait time out the WAIT is reset to forever For best operation the temperature segment should be ENTERed RATE WAIT then SET Restrictions Range from 99 59 59 to 00 00 01 See Also SET RATE M Example RATE 10 define temperature segment rate 10 C min WAIT 00 10 30 wait 10 min 30sec TEMP examine current chamber temperature 25 0 controller response 25 0 C SET 35 0 set new temperature 35 after 1 minute set temperature is reached wait period begins after 1 more minute WAIT lt e
52. valves However increasing the PWMP above it s default value of 2 may cause control loop instability Restrictions Period range from 2 seconds to 30 seconds See Also PIDH PIDC Example PWMP 22 TEMP 25 0 RATE 10 WAIT 5 SET 35 0 PWMP 15 WAIT 10 00 00 SET 35 0 EC1x ver 0712 set PWM period to 2 seconds examine current temperature controller response define new temperature segment set wait for 5 min stabilize mass setnew temp to 35 0 after 1 min for ramp and after 5 min for wait timeout set PWM period for 15 sec set long wait period 10 hrs again set temperature Pg 89 Function Setthecurrentrate of change for ramping Syntax RATE nnn n u Set the current ramping rate RATE Examine the current ramping rate Description The RATE command allows for setting or examining the rate at which the controller will control the change from one setpoint to another setpoint within the chamber Rate is based on the cham ber probe and on the units of SCALE set up for the chamber probe in the CAL menu or optional u units When setting or examining the rate nnn n represents units per minute Restrictions Chamber dynamics limit the maximum ramping rate See Also SET WAIT Example If SCALE for the chamber probe is in C RATE 10 0 set ramping rate for 10 0 C minute RATE examine present ramping rate 10 0 controller response 10 0 TEMP read present chamber temperat
53. xxxxxxxxxxn command Refer to Section 5 command SINT for details REMOTEINTERRUPT CHARACTERS Condition No Interrupt Single T O INT Command Error INT LP Timeout INT LP Done INT DEVIATION INT OVER Temperature INT UNDER Temperature INT GPIB Lock up INT POWER Going Down POWER Up no auto cont POWER Up auto cont BKPNT Pg 44 Serial Port GPIB Port HEX n a 00 41 42 43 45 46 47 4A 4F none none none 50 gt 5 EC1x ver 0712 PROBE CALIBRATION MENU The Model EC1x contains two electrically isolated high performance probe front ends ca pable of interfacing to a variety of different probe types There are two ways to calibrate the cham ber and or user probes The CAL menu permits you to select a probe type calibrate the probe and or select the units of measure for the probes The CAL menu must be used if you are changing the probe type If the type of probe is not going to be changed then the CAL TOA STANDARD commands may be used When calibrating a probe using the CAL menu it is necessary to place the probe to be calibrated at 0 C and at 100 C This requires removing the probes from the cham ber which is inconvenient The CAL TO A STANDARD commands allow calibrating to a known accurate house temperature standard without removing probes Listed below is the dialog if cali brating at 0 C and 100 C or with voltage or current inputs green SHIFT CAL ENTER
54. 1xHA Models which incorporate the ambient blowers See Also OUT command AMB BLOWER COOL in the SDEF MENU Example Local Program example using AB n n where is minutes RATE 20 WAIT 12 SET 100 go to 100 for 12 minutes AB 5 turn on ambient blower for 5 minutes WAIT 10 SET 25 then go to 25 for 10 minutes etc Local Program example using AB n n m m RATE 20 WAIT 0 5 30 SET 125 go to 125 for 5 min 30 sec 5 30 turn on blower for 5 minutes or until 30 is reached WAIT 30 SET 55 go to 55 for 30 minutes etc EC1x ver 0712 Pg 65 Function Syntax Description Local program breakpoint or pause command BKPNTnnn BKPNTIm display number nnn at breakpoint display variable value at breakpoint The breakpoint command allows for local program operation to be suspended until the EN TER key is depressed on the front panel display or until the remote controller issues a command This command permits program debugging by providing convenient pauses in local program execution such that an operator may examine local program performance and is also useful when a host controller may wish to perform at a point in the local program One form of the breakpoint command displays a number on the front panel display when encountered which is useful for iden tifying different breakpoints within a program The other form of the breakpoint command displays the value of one of the
55. 2 2 E 1 1 15 1 455 iJ1ddH YSE 2410021 ac 5044 WALID AF Eso l 25481 Dr 3 0 0 281005 9 0 m G amp nen PU panis P mo 3 281003 4172871002 18034 40288033 10055 i Fel 0519 031 44851184 LHOS3 JHL Era 430 ate One acres 9 3 O O 18 1902 TI MOLLIGMOJ 4141 439348 JHL 30 JHL TIEN 5414 2399348 01 1 44 4492 3 72n020H43HL H3dO amp 13133252 51 2 111525 111 HJH 0303303 5 11135 110 WAHM A344 348 TIA 3d dps ITT Pg 127 EC1x ver 0712 220 EC11A LM EC1 3W LM EC13 LM with Cool Valve ge o aoe 0 1 ZH 85 85 C4 7 3 6101115 5831546 31404125373 NS WAL D 55551184 1 JD HDD IUT
56. 24 SN31SAS SINDYLO3713 NNS SV 3491 105 711 15 310N 1 IVA 022 1 Hdl 9 3 1 5 71 3 Q PIE lt 2 S3WeUdsNVSL is O 112 NIVW JVA 51 HSS 2 7009 ups 1009 MES any DZA n amp 7002 MES T SZA ZA 0057 2 HWV WESS 9 Q Q 599 2 MSS 189 10097 22 2 61 41 4 193 7 71119571947 1 1 9 NIVIA WOJ 31492 1914 NIJ 92 53 EC1x ver 0712 DIGITAL PARALLEL USER I O INTERFACE The digital parallel I O interface permits the Model EC1xto easily interface with either Sun Systems test accessories or custom test access
57. 250Vac pin IEC309 32 amp 100 250Vac pin IEC309 32 amp 100 250Vac 3 pin IEC309 32 amp 100 250Vac pin IEC309 32 amp 100 250Vac 3 pin IEC309 32 amp 100 250Vac 3 pin IEC309 32 amp 100 250Vac 3 pin IEC309 32 amp 100 250Vac 3 pin IEC309 32 amp 100 250Vac Not offered to European market Not offered to European market Not offered to European market Not offered to European market Not offered to European market Not offered to European market Not offered to Europeanmarket Not offered to European market Not offered to European market 30 Amp 250v fast acting BLN30 or BAN30 15 Amp 250v fast acting BLN15 or BAN15 20 Amp 250v fast acting BLN20or BAN20 25 Amp 250v fast acting BLN25 or BAN25 Table 1 3 1 AC Power Connectors 650011 650011 650013 650013 650011 650011 650009 650011 650009 650009 650009 650011 650011 650013 650011 650011 650009 650011 650009 650009 650009 EC1x ver 0712 COOLING OPTIONS The standard EC1x is intended to operate directly from liquid carbon dioxide The carbon dioxide is to be provided from an industry standard 50 pound siphon type K cylinder The draw pressure from the cylinder is approximately 850 PSI at room temperature A hose and fitting nec essary to interface between the EC1x and LCO cylinder is provided No other valves or regulators are necessary The lower temperature limit of is 73 C Option OCLDCWLNV provides the capability for the deli
58. 4 to 320 C using Liquid Nitrogen Ambient 20 95 non condensing 0101108 18 to 43 C 5 54 to 30in Hg 0 184 to 1 003atm As encountered in normal shipping and handling with no degradation cooling 73 to 315 C for all of the above models Except for EC1 3W 73 to 400 C LN cooling 184 to 315 C for all of the above models Except for EC1 3W 184 to 400 C Open Short Probe Detection Hardware Watch Dog Timer Upper and Lower software limits and Adjustable Thermostat EC1x ver 0712 Model Chamber Volume Internal Dim External Dim Temp Resolution User Probe Battery Backup IEEE 488 RS232 RS422 Max Rate of Change CFM Vertical 110 115 VAC 50 60 Hz Single Phase 208 220 VAC 50 60 Hz Single Phase 3 4 Wire 240 VAC 50 Hz Single Phase 3 Wire Power Req Net Shipping Weight Environment Operating Environment Shipping amp Storage Temperature Range SAFETY Probe Malfunction Controller Malfunction Temperature Limits EC1x ver 0712 EC13 EC13HA 3 0 ft 3 0 83 20 W 20 W 12 H 12 H 22 D 22 D 30 0 W 30 0 W 19 5 H 19 5 H 36 0 D 36 0 D 0 02 C 0 02 C Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes 25 C sec 5 C sec 15 C min 30 C min 300 ft min 600 ft min 3000 Watts 6000 Watts 98 115lbs 108 125lbs Temperature Barometric Pressure Humidity Temperature Barometric Pressure Vibration and Shock EC15HA EC16 EC1
59. 6 RESTORING DEFAULT CALIBRATION 2 1 1 0 2 0000 00000 ennt nnn nnne nnn 47 SECTION 4 INPUT OUTPUT 5 411 2 nnn n nnne nean nn nannten nnn nnns 49 COMMUNICATION INTERFACES 222 49 FRONT PANEL INTERFACE scra gite t ec riae qe e M Ro eee quae 49 GPIB IEEE 488 PARALLEL INTERFACE 49 RS232 422 SERIALE INTERFEAGE edo 49 RS232 422 SERIAL INTERFACE 0825 50 AUXILIARY L O INTERFAGES ua Pee e do ade n aere 50 Bl o INTERFAGE 5 15 eite Ete cei a eI e taire SUPER ates 50 BIT O INTERFACE 26 PIN IDG aite die aeree iE Le e etuer Ea a o als 50 VOsPORT LO E 52 BOARD LOGIC ev ea aol aves 53 DIGITAL PARALLEL USER I O INTERFACE 54 USER PARALLEL I O INTERFACE 26 PIN 10 54 USER PARALLEL COMMANDS 54 5 5 t ae pad eae ke 55 TIMINGJ DIAGRAM it 56 SAMPLE USER CIRCUM
60. 6HA 5 0 ft 6 16 ft 6 16 ft 20 W 22 W 22 W 12 H 22 H 22 H 36 D 22 D 22 D 30 0 W 32 0 W 32 0 W 19 5 H 29 5 H 29 5 H 50 0 D 36 0 D 36 0 D 0 02 C 0 02 C 0 02 C Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes 4 C sec 4 C sec 4 C sec 24 C min 24 C min 24 C min 600 ft min 600 ft min 600 ft min 6000 Watts 6000 Watts 6000 Watts 138 175lbs 139 160lbs 165 185lbs 94 to 608 F 70 to 320 C using Carbon Dioxide 299 to 608 F 184 to 320 C using Liquid Nitrogen Ambient 20 95 non condensing 0to 110 F 18 to 43 C 5 54to30in Hg 0 184 to 1 003atm As encountered in normal shipping and handling with no degradation LCO cooling 73 to 315 C for all of the above models LN cooling 184 to 315 C for all of the above models Open Short Probe Detection Hardware Watch Dog Timer Upper and Lower software limits and Adjustable Thermostat Pg 109 110 1 ver 0712 SECTION 8 MAINTENANCE The EC1x series of environmental chambers was designed to be as maintenance free as possible To prolong your chamber s useful product life and to maintain it at its optimum working condition Sun Systems recommends performing routine maintenance to the blower motor and expectorant filter on a semiannual basis Refer to figures in section 1 Before using any cleaner or decontamination method except those recommended by the manufacturer users should check with the manufacturer that the proposed method wi
61. C1x ver 0712 ber temperature exceeds the upper temperature limit the controller will automatically turn off chamber heating If the chamber temperature exceeds the lower temperature limit the controller will auto matically turn off chamber cooling The deviation limit generates an interrupt to the remote inter face if enabled in the SINT menu if the chamber temperature exceeds the tolerance you speci fied via DEVL command LTL2nnn n u Set chamber lower temperature limit LTL Examine lower temperature limit UTL2nnn n u Set chamber upper temperature limit UTL Examine upper temperature limit DEVL nnn n u Sets maximum chamber temperature deviation limit DEVL Examine deviation limit CONTROL LOOP PARAMETER COMMANDS The Model EC1x permits the user to modify PID and PWM characteristics with these com mands When examining PID coefficients and D are displayed approximately 3 seconds apart with the value following a and D on control panel display These commands typically apply to unique circumstances which involve varying loads of mass or radiant power The PID coefficients are set at the factory for normal operation If itis necessary to change the default settings Sun Systems can provide a PID Application Note containing an instructional overview how to set the PID coefficients for a particular chamber and load The Pulse Width Modulator PWMP param eter permits the controller to adjust the control rate at
62. CTION SEPARATED OF EC1 3W REV E 2 15 CONTROLLER SECTION MAIN BOARD COVER REMOVED REV G 16 CHAMBER WITH AIR BAFFLE 1 0 0 4 2410040 6 6110 nennen s nnne rennen nns 17 CHAMBER INTERNAL REAR 18 CHAMBER INTERNAL REAR VIEW 19 NITROGEN GAS PURGE WITH NEEDLE 20 rc 21 REAR PANEL eee ce Pe idan desc eel a ee 22 SECTION 2 RECEIVING SAFETY AND 5 23 INITIAL INSPECTION AND UNPACKING 000 00000000000 23 LOST OR DAMAGED EQUIPMENT 23 SAFETY CONSIDERATIONS certet ape tcn ets 23 LIQUID CARBON DIOXIDE DELIVERY SYSTEMS 24 ECO2 INSTALEATION PROGEDURE aere 24 LCO2 3 TANK AUTO 25 LIQUID NITROGEN DELIVERY 5 5 25 LN2 INSTALLATION PROCEDURE 25 EN2 2 TANK AUTO SWITCH iraner iiia dee ued ev eee 25 EN2 AUTO EINE IB RGE
63. ELPm or DELP m Description The delete program command allows for deleting which in this case is the same as clear ing a single local program defined by the variable m where is the range of 0 to 9 Programs may be deleted either from the local front panel or from a remote interface Before using the STORE command from a remote interface the local program selected 0 through 9 must be deleted if any commands are present in that particular local program Restrictions None See Also DELL STORE Example fromaremoteinterface DELP 0 clearlocal program 0 STORE 0 prepare controller for accepting commands 35 send local program commands END terminate local program download DEVL Function Setor examine the deviation limit Syntax DEVL nnn n u Set deviation limit DEVL Examine deviation limit Description The DEVL command sets the deviation limits for the chamber probe in default units or op tional u units If the deviation limit interrupt is enabled in the SINT menu and the chamber probe temperature varies by more than the set limit an interrupt will be generated to the active remote interface Restrictions Deviation Limit range is between 0 1 temp See Also UTL LTL SINT Menu Example if SCALE 1 C DEVL 2 5 set deviation limit to 2 5 DEVL examine deviation limit 2 5 controller response 2 5 C RATE 30 define temp segment WAIT 03 00 00 wait for 3 hours SET 55 0 set final temp
64. Example these commands must originate from the GPIB interface S GPIB interface sends request for reply prior to sending a prompt message to insure that the reply message is sentto the GPIB interface by the controller Isend status the string send status is sentfromthe controller s serial interface to prompt serial interface device OK controller response transfers message received from serial interface to the GPIB interface EC1x ver 0712 Pg 93 SCALE Function Examine present scale for the chamber or user probes Syntax SCALE 1 examine chamber probe scale SCALE 2 examine USER probe scale Description The SCALE command allows a remote interface to examine the present scale of units for the chamber or USER probe The scale of units for the two probes are set in the CAL menu SET RATE and limit commands that do not specify a scale of units are assumed to be in the scale of the chamber probe Restrictions Remote interface command only See Also CAL Menu Example SCALE 1 examine chamber probe scale DEGC controller response degrees Centigrade 2 examine USER probe scale DEGF controller response degrees F Pg 94 EC1x ver 0712 SDEF Function Setor examine the set default menu SDEF parameters Syntax SDEF xxxxxxxn Sets SDEF parameters where xis Y or character where nis adigit from 0 to SDEF Examines the SDEF parameters by returning an 8 character string Y RS echoison Y chart
65. HL 3358338 JHL 3280 141043 01 143440 4462 30 F amp 13143253 SC INTLL35 111 2 03133759 Sl 1135 ir 258011 HOI 2MIHOT703 40 01 301 003 jM 1 ver 0712 Pg 126 Cool Valve V c 220 V 3 Wire EC1A LM EC10 LM EC12 LM with geo n34 02 1 ZH 1 133 15 5 21 0912313 5 T aap TUM Hd Sd 29 7n 2 alu flu3d NI 049 53 MER 14403 HEJH OL et 2 Ko ae aa cr 28 220 C eo 2 HI m M CHSC Kor 133a 3n raa teo VELI 134 5 21u0J128T 3 uns 3m T 702 35 981 ddi a 4 8 44 o0 35H35 AOL Idea O 2709 1970 5 555 LE ZALDO o Ed Br t nod 1 Jae ada 34 z V ud ra mM
66. IMEE command keeps track of the amount of time in hours that the chamber has been running The elapsed time is saved in EEROM to protect against RAM memory loss The time is updated whenever the unit is turned off or when a TIMEE command is received and at least one hour has elapsed since the last update Restrictions None Example TIMEE examine elapsed hours of 32 37 controller response is 32 37 Hours Pg 102 EC1x ver 0712 UCHAN Function Examine the USER channel probe value Syntax UCHAN Description The UCHAN command permits a remote interface to examine the value of the USER probe The units of measure for the USER probe are set in the CAL menu Units may be set in or K The USER probe value is normally displayed on the second line ofthe front panel LCD display Restrictions Remote interface command only See Also TEMP T SCALE Example UCHAN examine USER channel probe value 25 0 controller response 25 0 units USER Function Examine the USER channel probe value Syntax USER Description The USER command permits a remote interface to examine the value of the USER probe The units of measure for the USER probe are set in the CAL menu Units may be set in or K The USER probe value is normally displayed on the second line ofthe front panel LCD display Restrictions Remote interface command only See Also TEMP T SCALE UCHAN CHAM Example USER examine USER channel probe va
67. MODEL EC1x ENVIRONMENTAL CHAMBER USER AND REPAIR MANUAL Covers EC1xand EC1xHA Environmental Chambers which incorporate the TC10 controller The information in this document has been carefully checked and is believed to be entirely reliable No responsibility however is assumed for inaccuracies Furthermore such information does not convey to the purchaser of the product described any license under the patent rights of SUN ELECTRONIC SYSTEMS INC or others Sun Systems strives constantly to improve the quality and performance of all of its prod ucts in design construction and cost As a consequence SUN ELECTRONIC SYSTEMS INC reserves the right to change specifications or other data contained herein without notice Any software firmware designs and any other programs in Sun Systems products remain the sole property of SUN ELECTRONIC SYSTEMS INC and may not be copied by any means Purchase of said product constitutes agreement that software rights remain to the benefit of SUN ELECTRONIC SYSTEMS INC Upon purchase Sun Systems grants perpetual license for use by the customer REVG 0712 Copyright 1991 by SUN ELECTRONIC SYSTEMS INC SunElectronic Systems Inc Tel 321 383 9400 Email sales sunelectronics com EC1x ver 0712 Pg 1 INFORMATION ABOUT YOUR CHAMBER MODEL SERIAL NUMBER OPTIONS INSTALLED COOLANT TYPE Vac Vdc PRESSURE psi COOLING OPTIONS INSTALLED OTHER OPTIONS INSTALLED
68. ND command is used to terminate the edit mode A program is ENTERed into the Model EC1x locally from the front panel by using the EDIT m function where m is the number of the program 0 thru 9 Programs may be downloaded from a remote interface using the STORE command Command DELL permits deleting program lines during local edit DELP m deletes program m where mis 0 thru 9 A program is executed using the RUN mand prematurely terminated with the STOP command Debug assistance and host computer synchronization is provided with the BKPNT nn or BKPNT Im commands which permit the operator to place breakpoints in the program that sus pend program execution until the ENTER key is depressed on the local control panel or until a re mote BKPNTC commandis received BKPNTnn displays the value nn and BKPNT Im displays the value of variable Im when encountered during local program execution The remote BKPNT command is provided so that the host computer may determine the breakpoint value EDITm EDIT program m m 0 thru 9 RUNm RUN program 0 thru 9 RUN m TIME nn RUN program m time of day STOP STOP all program execution DELL DELETE LINE currently being displayed during edit mode DELPm DELETE PROGRAM m m 0 9 BKPNTnnn BREAKPOINT suspends program operation and displays Integer Bkpnt nnn value BKPNTIm BREAKPOINT suspends program operation and displays current value FORIm starting integer value ending integer value
69. OR NEXT loop either increments the beginning value until the beginning value is equal to or greater than the ending value or decrements the beginning value when the minus option is used until the beginning value is equal to or less than the ending value The number of loop executions is equal to the absolute value of the ending value minus the begin ning value Without regard to the beginning and ending values the loop is always executed one time FOR NEXT loops may be nested four deep when considering the first loop as nest 1 Restrictions This command is only valid in the EDIT mode which is used to create a local program See Also Sample Local Program in Section 2 STORE GOSUB Example DELP 2 clear program 2 EDIT 2 EDIT local program 2 FOR 15 1 5 FOR I variable 5 step 1 2 3 4 FOR 12 5 15 FOR variable 2 5 variable 5 decrement step 5 4 3 2 Pass 1 step 5 4 3 Pass 2 step 5 4 Pass 3 step 5 Pass 4 BKPNT 2 set breakpoint display variable 2 NEXT 2 end FOR NEXT nest 2 NEXT 15 end FOR NEXT nest 1 END end program store RUN 2 run program 2 When the program is run the breakpoint value will display the step sequence for the FOR NEXT 2 variable loop The ENTER key must be pressed from the front panel or the BRKPTC command must ENTERed remotely to continue the program when a breakpoint is encountered EC1x ver 0712 Pg 77 GOSUB Function Execute local program m as a subroutine Syntax
70. RXD RS 422 Received Data 23 RXD RS 422 Received Data 9 CTS RS 422 Clear to Send 22 CTS RS 422 Clear to Send 11 DTR RS 422 Data Term Ready 24 DTR RS 422 Data Term Ready AUXILIARY I O INTERFACES BIT I O INTERFACE The auxiliary interface is used by the chamber to control heating cooling and fan circuits and for the fail safe input The EC1xHA models also use the F3 output address 2 to control the ambient blower Unused inputs outputs are available to the user internal to the controller section chassis The Auxiliary I O interface contains 8 drivers for controlling TTL or solid state relays 8 inputs for sensing TTL or dry relay contacts and a fail safe input Outputs are open collector 50 volt 100 mA and are designated F1 thru F8 Pull up resistors of 270 OHM connected to 5Volts are provided on signals designated P1 thru P8 Sense inputs are designated G1 thru G8 The signal pin assignments are as follows BIT I O INTERFACE 26 PIN IDC PINZ DESCRIPTION 2 4 6 8 10 12 14 16 F1 thru F8 outputs 18 20 22 24 26 25 23 21 P1 thru P8 pull ups 19 17 15 13 11 9 7 5 G1ithruG8 Inputs 3 Ground 1 FAIL SAFE SIGNAL In the Model EC1x the auxiliary port interfaces to the I O PC board which drives the heat ers blowers and coolant supply valve An 8 position terminal block located within the controller section chassis with one spare input and one spare output is provided for optional control and sensing The terminal blo
71. S 401 2 1 SINGOW JINN NO OSIY 031 1 440 NYNL 51004100 NVA NOLLVICYOMIO INV JAAVA 1002 ONY NOLLIINOO 40 MITIOMINOO NIVN THM AHL NI JHL JONO OL lt dl SIY AlddNS 33MOd FINGOW JHL Al SI SNILESS 111 NIHA Q340335X3 SI SNULAS NAHM SNIMOTIOS JO OL ANG SHiliv3H Ol H3MOd HOIHA INGON LINT MSS SZ YOLOW 022 802 1 1000 3 Milv3H Ye 5 8 18 5 OWA 0282 8092 19 181 GAY NLON9 Sd 1 2 1005 100 d 1005 y NAGIN T L aano ig 56 5 x193 SW31SAS 3 NNAS 44 WON QN DOO
72. Section Removal amp Replacement and Section 1 Controller Section Separated photograph Next see Section 1 Controller Section Main Board Cover Removed photograph The photograph shows the probes labeled Chamber Probe which is probe 1 and User Probe which is probe 2 Discon nect both green probe connectors from the motherboard by pulling slightly on the connector mak ing sure the probe wiring remains attached to its respective connector Switch the two connectors and reattach them to the motherboard The Chamber probe should now be in the User probe location and vice versa If the controller display still gives you the same probe error i e originally read Probe 1 Error still reads Probe 1 Error the problem is on the probe front end of the moth erboard and the motherboard must come back to Sun for repair If the controller display now reads a different probe error i e now reads Probe 2 Error instead of Probe 1 Error the probe itself is bad and needs to be replaced Replacement probe part numbers can be found in Section 14 of this manual SRQ OVERFLOW An SRQ Overflow message is just to inform you that an interrupt has not been serviced The interrupts are enabled and disabled in the SINT menu If you enable an interrupt and don t service the interrupt you get an SRQ Overflow The message can be ignored without causing any prob lems or you can do one of the following disable the interrupts in the SINT menu or service the i
73. Set probe to 100 C ENTER YES when ready Temperature Units 1 C 2 F 3 K ENTER 1 2 1 ver 0712 45 If voltage or current was selected Low Scale Input Y N Supply low level voltage or current to inputand ENTER Yes whenreagy Low Scale Value ENTER the number that represents low end process value High Scale Input Y N Supply high level voltage or current to inputand ENTER Yes whenreagy High Scale Value ENTER the number that represents high end process value CAL USER PROBE Yes No Repeat process similar to CAL CHAM PROBE for user probe If answer was given to the CAL PROBES prompt then you are asked if you wish to change the default units of measure C F K for each channel CAL A STANDARD COMMANDS Cal to a standard allows calibration of the chamber to your temperature standard instru ment Five commands are supplied to perform the calibration CALA performs an offset cal to the first temperature point while performs a gain cal between the first point and the second temperature supplied with the CALB command CALC clears the offset and gain cal adjustments from both channels simultaneously Each channel can also be cleared independently by using CALC1 for channel 1 Chamber Probe or CALC2 for channel 2 User Probe Note The access code is the CAL menu access code number default 9 The standard reading is the temperature reading that your instrume
74. The chambers are equipped with standard K thermocouples PROBETYPE CONNECTION INFORMATION 2 WIRE 100 ohm RTD PIN 2 OUT 4 RTD IN jump 3 to 4 3 WIRE 100 ohm RTD PIN2 RTDOUT PIN3 4 RTD IN 4WIRE RTD PIN 1 2 RTD OUT PIN3 4 RTDIN THERMOCOUPLE PIN2 LEAD PIN 3 LEAD DIODE TRANSISTOR SENSOR NPN PIN 2 COLLECTOR BASE PIN 3 4 EMITTER VOLTAGE PIN 1 LEAD PIN 4 LEAD CURRENT PARALLEL CURRENT SOURCE WITH RESISTOR AND RUN AS VOLTAGE Chamber Probe loc PC1 and User Probe loc PU1 Connector Wiring Diagram Rev G Ver 10 xx Ch 3 Ch 4 Probe loc PX1 Connector Wiring Diagram Rev G Ver 10 xx Top 1 connector Channel 4 K therm ocouple only Channel 3 NOTE Beginning with Rev G Version 10 xx the EC1x now provides access to two additional read only probe connections Channel and Channel 4 These channels are for monitoring only no control See SECTION 5 Detailed Command Descriptions EC1x ver 0712 Pg 63 NOTE Chambers running software versions prior to Ver 10 will incorporate a larger 8 position connector on the Chamber and User Probes The following is a wiring diagram Chamber Probe and User Probe Connector Wiring Diagram Revisions Prior to Rev G Ver 10 xx gt g d m x gt PROBE SENSOR CONNECTIONS PROCESS CONTROL OUTPUTS See section under AUXILIARY in section 4 Pg 64 EC1x ver
75. YTSTD HL DA BOLI econ 41 KIJA 01 1 CE 5411155 117 Dark 5411156 WAHA ate mum 54 DET OL A SI 5 1 HSE cT maa nno pum EFE Eme ine 11910 01 A he gt neo zwi PvE TESTS r mn uu E mu pn Ru E 2 m m m a 2 mn E n m F 1 ver 0712 Pg 128 220 Wire EC11 LM with Cool Valve He mms DAAE 0 1 0970S 1 1124 1545 21404125373 NNS DEDE HIB OL A SI H s9B HABE PH swayshg 0 0410814 ung BIMBC SNL died ard BDL ei H55 ET eani nno pum Eme inn 7911910 SEs a 4 A WO 037 SUE HL A vee Wad BEUM
76. a STOP command Restrictions None See Also RUN TIME EDIT STOP STORE END Example This example downloads a simple program from remote processor and then executes the program Scale in C DELP 0 delete current program 0 STORE 0 prepare controller for ENTERing local prog FOR 12 0 10 set FOR loop for 10 loops RATE 10 define temp segment 1 RATE 10 C m WAIT 15 wait 15 minutes SET 55 0 set final temp to 55 0 C RATE 10 define temp segment 2 RATE 10 C m WAIT 15 wait 15 minutes SET 125 0 set final temp 125 0 C NEXT 12 mark end of FOR loop I2 END mark end of local prog and end of STORE RUN 0 run local prog 0 EC1x ver 0712 Pg 91 Function Starts the execution of a local program at a specific time of day Syntax RUNmTIME hh mm ss or RUN mTIME hh mm ss Description The RUN TIME command initiates the execution of local program defined by m where m selects a local program the range of 0 to 9 at a specific time of day Local programs ENTERed into the controller using the EDIT command from the local keyboard or downloaded from a remote host computer using the STORE command Local program execution may be prematurely termi nated by issuing a STOP command Restrictions None See Also RUN EDIT STOP STORE LIST END Example This program lists the current program in local program 0 from a remote interface and then prepares for executing the progr
77. advance and display the next probe type Select YES lt ENTER gt when the correct probe type is displayed Probe at 0 Deg C Yes No NO lt ENTER gt this restores default calibration value Desired Scale 1 Celsius 2 Fahrenheit 3 Kelvin 1 C 2 F Choose corresponding number lt ENTER gt Controller will automatically exit the CAL menu Restoration of default calibration values is now complete Pg 48 EC1x ver 0712 SECTION 4 INPUT OUTPUT INTERFACES The Model EC1x contains three types of interfaces The first type of interface is the COM MUNICATION interface The RS232 422 GPIB and the front panel are classified as communica tion interfaces since these interfaces may send receive commands and data to the controller The second class of interface is the AUXILIARY interface Auxiliary interfaces consist of 5 on off event outputs 8 on off inputs up to 4 analog outputs and inputs and a digital parallel I O port The third is the PROCESS interface type The process interfaces consist of the two sensor input channels and the outputs that control the process Process control outputs consist of 3 on off outputs and the on off fail safe input COMMUNICATION INTERFACES FRONT PANEL INTERFACE The 32 key 32 alphanumeric control panel interface permits Model EC1x operation in a stand alone configuration The control panel may request or send information from to an AUXIL IARY I O interface by issuing the appropriate IN or OUT instructio
78. alue or de crease the SET value to be below that of the UTL FAILSAFE Check to make sure the Circuit Breaker is in the UP position INVALID IN LP This error means you are in the EDIT mode where you enter a local program and the command you entered is not acceptable in Local Program EC1x ver 0712 Pg 145 LOW LINE VOLTAGE If this error message occurs all the time check the voltage at the outlet that the chamber is plugged into For 110 VAC chambers line voltage should be at least 100 VAC For 220 VAC chambers line voltage should be at least 200 VAC If this message occurs only when cooling it s possible the transformer on the I O board needs to be replaced Please call Sun for assistance and provide the chamber serial number if possible NOT IN ED STORE This error means that you are not in the EDIT mode and you are trying to issue a command that is only valid while in the EDIT mode The EDIT mode is used to create a Local Program See EDIT command and STORE command in Section 5 PROBE 1 ERROR or PROBE 2 ERROR NOTE To avoid violation of chamber warranty contact our Service Department before attempting to trouble shoot this error A probe error usually means that one of the probes is bad or there is a problem on the probe front end of the motherboard To determine if the problem is with a probe or on the motherboard you will need to separate the controller from the chassis See Section 9 Temperature Controller
79. am at 5 00 PM LIST 0 FOR 12 0 10 RATE 10 WAIT 15 SET 55 0 RATE 10 WAIT 15 SET 125 0 NEXT 12 END RUN 0TIME 17 00 00 Pg 92 list local program 0 controller response set FOR loop for 10 loops define temp segment 1 RATE 10 C m wait 15 minutes set final temp to 55 0 C define temp segment 2 RATE 10 C m wait 15 minutes set final temp 125 0 mark end of FOR loop 12 mark end of local prog and end of STORE run local prog 0 at 5 00 PM EC1x ver 0712 S Function Transmit and receive ASCII data from the RS 232 422 to the GPIB Interface Syntax 1555 555 transmit string sss sss to the serial interface S receive string from serial interface Description The S commandisa 01 compatible command which allows the GPIB interface to transmit ASCII data to the RS 232 422 serial interface or receive data from the serial interface Care should be taken that a serial device does not transmit data to the controller until an S command has been issued since data received from a serial device without an S command pending will be interpreted as command data for the chamber controller An S commandis required for each string of charac ters terminated with a carriage return and or line feed to be transferred to the GPIB interface GPIB lock up time is inhibited for the S command to allow time for a serial device to respond to a prompt message Restrictions GPIB remote interface command only
80. amber heating process PID coefficients may be changed to accommodate varying changes in mass or radiant power in the test chamber area The PID Application Note contains a procedure for tuning PID coefficients to a particular application PID coefficients are stored in battery backed memory Restrictions None See Also PIDC PWMP Example PIDH 15 1e 3 10 PID coefficients PIDH examine PID coefficients 0 15 controller response P 0 001 controller response 0 10 controller response D Pg 88 EC1x ver 0712 Function Setor examine the pulse width modulator period Syntax PWMP nnn n PWMP Description set PWM period examine PWM period The PWMP command permits modification of the period allocated to the pulse width modu lation algorithm In the control of the chamber the controller uses a constant period of time of which the controller calculates the portion of time for which heat or cool should be turned on This is based on the feedback from the chamber probe and the PID coefficients Shorter periods of time for pulse width modulation translates into faster tracking of changes in the test chamber When changes in the test chamber are expected not to change for an extended time during long soak periods for example it is more economical not to adjust quite so frequently In this case increas ing the PWM period reducing the modulation rate conserves power and coolant and reduces wear on coolant supply
81. analog output channels may be independently defined as unipolar with a 0 to 5V output range Analog output channels A and can be configured to drive a chart recorder Output channel A can chart the chamber probe reading and output channel B can chart the user probe reading Analog input channels accept a 0 to 5V input and ANO may be jumper configured to accept 0 20mA current input A 220 OHM resistor pulled high to 12VDC is provided for supplying 0 20mA passive devices on signal ANO The D A data is 0 at low level and 255 at high level The pin assignments for the analog I O interface are as follows ANALOG INTERFACE J2 DB15 z DESCRIPTION ANO Analog Input Channel 0 AN1 Analog Input Channel 1 Analog Input Channel 2 ANS Analog Input Channel 3 AO 0 Analog Output Channel AO 1 Analog Output Channel B AO 2 Analog Output Channel C AO 3 Analog Output Channel D ANO 220 OHM Pull Up Resistor to 12VDC 10 11 GROUND 12 13 14 15 Noconnection BY Communication interfaces may read and write data from to the analog I O interface by is suing the following instructions ANALOG I O INTERFACE I O COMMANDS OUT3 analog output channel number 0 3 8 bit data value 0 255 IN3 analog input channel number 0 3 Where Im 0 at low level Im 32 767 at full scale The analog port schematic follows Pg 60 EC1x ver 0712 ANALOG PORT SCHEMATIC
82. and OUT Command Auto SENSE INO ENTER YES if your chamber is setup to automatically detect logic on input bit 0 and shut off Heat and Cool This is commonly used for a Door Open sensor Default setting is NO If enabled yes amp chamber is not set up for this Error b0 Force H amp C OFF occurs SENSE LOGIC 100 Enter 0 or 1 based on the logic setup in your chamber Referto Your equipment configuration in the manual REMOTE CONTROL OF THE SET DEFAULT MENU SDEF The interrupt values may be set remotely from the GPIB RS 232 or RS422 by utilizing the SDEF xxxxxxxxn command Refer to Section 5 command SDEF for details SET INTERRUPT MENU SINT The Model EC1x contains interrupt assignment values for the local alarm serial interface and GPIB interface SRQ interrupt The values are stored in nonvolatile memory eliminating the need to reload after a power interruption Refer to Section 5 command STOPES for information about restoring the factory default settings This command will delete all local programs LOCAL CONTROL OF THE SET INTERRUPT MENU SINT The interrupt values may be set locally from the control panel by depressing the SINT EN TER keys followed by responding to the menu oriented questions on the control panel display with a YES NO or numeric response To maintain current setting that is displayed inside just press ENTER The format of the menu is as follows SINT ENTER Set Interrupt mode Set up Inter
83. and output channels auxiliary relay control and USER digital parallel port are avail able to you in implementing your test system design or for interfacing with other Sun Systems test accessories Model EC1x commands permit read and write capability specifically to each device interface Section 4 has a complete overview of the device interfaces and commands EC1X COMPONENT IDENTIFICATION Take become familiar with the major components of your environmental chamber by reviewing the following figures Refer to these figures when performing adjustments routine maintenance or removal and replacement procedures EC1x ver 0712 Pg 9 CHAMBER FRONT VIEW User Probe Control Section Front Panel Inner Air Baffle ON OFF Switch Door with Optional Port Pg 10 EC1x ver 0712 CHAMBER REAR VIEW OF EC1X with Mechanical Fail Safe i Expectorant Input Circuit 1 4 Rs232 1422 GPIB ANALOG lt PRINTER MOTOR USER E AUX I O POWER CORD MAIN LINE FUSE MECHANICAL FAILSAFE EXHAUST oa PORT CHAMBER REAR VIEW OF 1 with Electronic Fail Safe Expectorant Input ELECTRONIC and Filter FAILSAFE EC1x ver 0712 Pg 11 CHAMBER REAR VIEW OF EC1XHAwith Mechanical Fail Safe Expectorant Failsafe Ambient Chamber Back late Input amp Filter Breaker Air Blowsr P Serial LD Tag RS232_ o Em
84. ands or by writing and executing local control programs which may be stored in the Model EC1x or by a combination thereof Single commands and programs may be issued from either the local control panel located on the front of the EC1x or remotely from either the RS232 422 serial interface orthe GPIB interface OPERATIONAL MODES Temperature testing usually involves testing an object at one or several different tempera tures In the case of more than one temperature the rate of change from one temperature to an other and the time waiting at a particular temperature are considerations In the single tempera ture mode the Model EC1x accepts single commands defining an individual temperature segment containing rate of change from the present temperature to the final temperature wait time at final temperature and final temperature setpoint information Atthe end of a wait period notification is given to the source of the command If multiple temperature segments are to be performed by the Model EC1x automatically the Model EC1x can be programmed by entering an EDIT mode and the program can be executed by entering a RUN mode The Model EC1x stores upto 10 programs into battery backed memory The number of temperature segments resident in each program is only limited by the Model EC1x s controller internal memory space Programs can call other pro grams as subroutines The Model EC1x contains setup modes which are menu driven on the control panel The
85. as an earth ground and meets your local electrical codes CAUTION Verify thatthe source of electrical power is compatible with the manufactured configu ration of the chamber indicated on the rear of the unit CAUTION Do not mount on or around flammable material CAUTION Avoid personal contact with the interior portions of the test chamber area to prevent burns from heat or cold CAUTION Use personal protective equipment such as gloves goggles face shields etc when working with or in an environment containing liquid carbon dioxide or liquid nitrogen CAUTION Avoid any personal contact of the skin or eyes with liquid carbon dioxide or liquid nitro gen or supply lines and vessels carrying these liquids Exposure to these liquids or the vessels which carry them can cause frostbite CAUTION Operate the chamber in an environment with good ventilation to air If the chamber is to be installed in an enclosed area connect the chamber exhaust port to outside air Never use the exhaust port for test access to the internal temperature chamber EC1x ver 0712 Pg 23 CAUTION Do not block internal air circulation air inlet port Reduced airflow may cause heater element failure CAUTION Always follow the safety precautions supplied by the vendor for your liquid carbon di oxide or liquid nitrogen storage cylinders and vessels CAUTION Verify that the correct type of expectorant source is connected to the chamber before operat
86. ature other than 155 C replace the 155 with the desired trip point Note the above assumes that C is the default setting for units for the chamber probe 4 After the chamber is at the set point for 10 minutes the buzzer will sound and the Time Out LED will light on the front panel The fail safe can now be set 5 Using a small blade screwdriver slowly adjust the screw clockwise to lower the fail safe trip point until the heater circuit breaker on the rear of the unit trips The fail safe LED on the front panel will also light When this occurs stop turning the screw clockwise and turn the screw 1 4 ofa turn counterclockwise and reset the heater circuit breaker to restore normal operation If the cir cuit breaker does not reset adjust the fail safe slightly more in the counterclockwise direction until the circuit breaker remains on and the chamber functions normally SETTING THE ELECTRONIC FAIL SAFE The electronic fail safe provided with the chamber is a safety module to protect the cham ber from a number of possible conditions The Temperature Limit Module detects the following conditions and causes the dual pole circuit breaker to open 1 Ifthe chamber temperature exceeds the Upper Temp Limit UTL setting of the module 2 If the chamber temperature goes below the Lower Temp Limit LTL setting of the module 3 If the module s thermocouple should fail as an open circuit 4 Ifthe module s power supply should fail Such as i
87. back to the I O board terminal block located in the controller section and remove from 13 and 14 Feed wires thru access hole in chamber side plate and let hang near blower motor STEP8 Remove the 4 8 32 screws which secure the blower motor adapting plate and remove the blower motor in a perpendicular fashion REPLACEMENT Reverse steps 2 thru 8 Pg 116 EC1x ver 0712 SECTION 10 Wiring Schematics V Cooling There are several ways to determine if your chamber incorporates a cool valve 1 Achamber information sheet be found on page 2 of this manual Verify that the serial num ber located on the ID tag at the rear of the chamber matches the serial number recorded on this information sheet then check under Coolant Type If the chamber was manufactured with cooling V will be check marked Note This infomation sheet records the chamber setup attime of manufacture and assumes no later modifications have been made 2 A V cool assembly will have two independent black wires running to the I O board They will NOT have a bridge rectifier connecting between them 3 The I O board for a chamber will have part number 840078 silkscreened in white on the left side of the board Note This is the part number for just the bare board The part number for order ing a replacement V board can be found in Section 14 EC1x ver 0712 Pg 117 120 EC10 EC12 with Va Valve
88. bo ST 2 6 9T T 8 TAJVAN Yo 0 2 982HvZ o gt 9 5 oootod N avin SOLIANNOD 1 0 553008 5 5019371709 N3d SIRVE 08cN I 92 B tc c 81 vd 21 L1 d OL LNO 51 ed 15 v vu sii ZI ST 9 Lj L33ANI OL T3Sn IUN 5 3 E ED 91 5 LUN 71 3 C380 51 73 3 ED 55 07 0 NVJ Sls 83 3 Stop 25 5 0155 3 25 85 e I ND 5 E 3595 1947 co id rZ S 2 2 vo d 6 ET 2 59 24 78 SI 8 90 21 21 Sdn BY 11 2123 19 S27 1 M35 9v a NHJSASZ Sc 2 SA 5 e ra 2 vA 2 A v S 21 v 3395 IVJj 2323013JSAS ZI oa ADT TET JIA JIA Esa Esa EC1x ver 0712 Pg 52 BOARDLOGIC 2 4SUWSA UN 93H 15
89. c switching option is available on the EC1x chambers When en abled in the SDEF MENU the controller will sense when the cooling rate is low and automatically switch to the next LN tank This feature is useful when performing extended test profiles Refer to the TANK and TANK command in Section 5 LN AUTO LINE PURGE The LN auto purge option is available on the EC1x chambers This feature supports the liquid nitrogen automatic hose cool down When enabled inthe SDEF MENU the controller senses low cooling rate and automatically turns on a second nitrogen valve This second valve injects nitrogen at a fast rate to provide the initial flow of nitrogen that may be necessary to quickly cool the hose that runs between your LN source and the chamber Answer yes to auto purge SDEF MENU prompt if the auto purge option is installed GAS PURGE A nitrogen gas purge option is available for EC1x chambers The purpose of this option is to provide a dry nitrogen environment for the Device Under Test DUT during temperature test ing Inherent with expectorant cooled chambers a dry gas condition exists when cooling since LN or is injected into the chamber To maintain dry conditions during heating the purge is used EC1x ver 0712 Pg 25 GAS PURGE WITH NEEDLE VALVE The nitrogen gas purge option consists of a flow meter needle valve on off control valve and 6 hookup line The 6 line is 1 4 OD plastic hose with 1 8 NPT male fitting on bo
90. chamber probe are set in the CAL menu for F C or Restrictions Remote Interface command only See Also T UCHAN TEMP Example CHAM read chamber probe 25 0 controller response 25 0 units EC1x ver 0712 Pg 71 Function Disable chamber cooling Syntax COFF Description The COFF command permits a remote interface to disable chamber cooling by the controller The front panel COOL switch also disables controller cool function when depressed if cooling was enabled When editing local programs from the front panel keyboard depressing the COOL switch on the front panel ENTERs either CON or COFF If the opposite action is desired cancel the entry and re ENTER to get the correct action All local programs default to CON at the beginning Restrictions None See Also CON HOFF HON Example COFF disable chamber cooling CON Function Enable chamber cooling Syntax CON Description The CON command permits a remote interface to enable chamber cooling operation The COOL switch located on the front panel can also enable chamber cooling operation if depressed when cooling is disabled When editing local programs from the front panel keyboard depressing the COOL switch on the front panel ENTERs either CON or COFF If the opposite action is de sired cancel the entry and re ENTER to get the correct action All local programs default to CON atthe beginning Restrictions None Also COFF HON HOFF E
91. ck pin assignments and commands for turning on and off the auxiliary output and the command for reading the auxiliary input are as follows Pg 50 EC1x ver 0712 BITI O INTERFACE TERMINAL BLOCK PIN DESCRIPTION 3 Ground 4 Auxiliary Sense Input 7 Auxiliary Open Collector Output 8 Auxiliary Output 270 OHM Pull up Bit I O Interface Commands OUT0 2 1 Turns ON auxiliary output goes low JP6 in OUT0 2 0 Turns OFF auxiliary output goes high JP6 in 0 0 Returns a 12 open High 0 closed Low in variable Im The following figures provide the aux portlogic and the 1 boar d logic EC1x ver 0712 Pg 51 BIT PORT LOG T 35 T amp 33uS 1667784 5560 31907 0 1 3 9 4aqunn 2215 SUL SW31SAS OIND312313 NNS 2 495 TVA I JJA ZS ZS 012 982HvZ JIA 1 5 4 8 gt OT 2 4 Hu 9 gt avin v 982Hv7Z vt
92. dify the gain of channel x See CAL TOASTAN DARD COMMANDS Section 3 for the actual calibration procedure This calibration command must only be issued after CALA has been done on the channel See Also CALC CALAx See Section CAL TO A STANDARD COMMANDS Example Gain adjustment of sensor 1 Sensor 1 is placed at 100 C After stabilizing sensor 1 reads 97 5 C The command CALB1 9 100 0 is issued The sensor now reads 100 0 C EC1x ver 0712 Pg 69 CALC Function CALC command allows the userto clear all offset and gain adjustments for both ofthe EC1x s sensors Syntax CALC access code where access code is Defined by user default 9 Description The CALC command allows users to clear both of the EC1x s channels standard gain and offset adjustments See the CAL TOA STANDARD COMMANDS section for the actual calibration procedure Warning The CALC command should only be used prior to calibration of both sensors on the EC1x Allcaltoa standard adjustments on channels 1 and 2 will be lost See Also CALAx CALBx See Section 3 CAL TO A STANDARD COMMANDS Example CALC 9 All gain and offset adjustments cleared for both channels CALC1 Function CALC1 command allows users to clear all offset and gain adjustments for the EC1x s channel 1 Chamber probe Syntax CALC1 access code where access code Defined by user default 9 Description The CALC1 command allows users to clear the EC1x s chann
93. e USER parallel I O interface by issuing the following device com mands USER PARALLEL I O COMMANDS OUT1 address data Where address may be any 16 bit integer and data may be an 8 bit value or the lower 8 bits of a 16 bit integer IN1 address Im Where address may be any 16 bit integer The user bus logic bus timing diagram and an example circuit follow Pg 54 EC1x ver 0712 USER BUS SCHEMATIC A 324 JILVWN3HOS 508 6861 iuaunoog azis BI ady SUI SN31SAS 2OINDI31I2313 NNS Z9 2HvZ 5 1759 Su 159 45 6 WSV TAS AZ El AZ n 3 EAE EET n 3 N3IV3H NId 92 t d 52 INO G 8n 75155 52 S 08 ZI SI PI ET DO2HF 4 5 goen 9 9 q A 2404 3SN 18144 81 0070 Tay Z1 209 2 ST 2098 GI tuvo ray 9 vi vavo 2 ET 14 19 919 8 zT 5096 219 6 TI 2495 5 Pg 55 ver 0712 56 TIMING DIAGRAM USER BUS TIMING
94. econd temperature point of 100C After stabilization the standard reads 101C Depress CALB1 101 The gainis calculated and chamber probe is reset to 101C The top line on the front panel display chamber now reads 101 RESTORING DEFAULT CALIBRATION VALUES Toreturn chamber to factory default calibration values preform the following Note This can only be performed on software version 3 x and higher green shift CAL red shift 9 ENTER Clears calibration values for both channels green shift CAL ENTER Enter into CAL menu probe types currently configured will display briefly top line is Chamber probe bottom line is User probe Calibrate Probes Yes No YES ENTER Enter CAL Access Code 9 ENTER Cal Chamber Probe Yes No YES ENTER The following probes types will now display in the following order RTD 385 RTD 392 J Thermocouple K Thermocouple Diode Selecting NO enter will advance and display the next probe type Selecting YES lt enter gt when the correct probe type is displayed Probe at 0 Deg C Yes No NO lt ENTER gt this restores default calibration value Desired Scale 1 Celsius 2 Fahrenheit 3 Kelvin 1 C 2 F 3 K Choose corresponding number lt ENTER gt EC1x ver 0712 Pg 47 Cal User Probe Yes No YES lt ENTER gt The available probe types will now display in the following order RTD 385 RTD 392 J Thermocouple K Thermocouple T Thermocouple Diode Selecting NO lt ENTER gt will
95. el 1 standard gain and offset adjustments See the CAL TOA STANDARD COMMANDS section for the actual calibration procedure Warning The CALC1 command should only be used prior to calibration of channel 1 onthe EC1x All a standard adjustments on channel 1 will be lost See Also CALC CALC2 CALAx CALBx See Section 3 CAL TOA STANDARD COMMANDS Example CALC1 9 All gain and offset adjustments cleared for channel 1 Pg 70 EC1x ver 0712 CALC2 Function CALC2 command allows users to clear all offset and gain adjustments forthe EC1x s channel 42 User probe Syntax CALC2 access code where access code Defined by user default 9 Description CALC2 command allows users to clear the EC1x s channel 2 standard gain and offset adjustments See the CAL TOA STANDARD COMMANDS section for the actual calibration procedure Warning The CALC2 command should only be used prior to calibration of channel 2 onthe EC1x to a standard adjustments on channel 2 will be lost See Also CALC CALC1 CALAx CALBx See Section 3 CAL TOA STANDARD COMMANDS Example CALC2 9 All gain and offset adjustments cleared for channel 2 CHAM Function Examine current chamber temperature Syntax CHAM Description The CHAM command provides the means for a remote interface to read the present value of the chamber probe This value is normally displayed on the first line of the front panel LCD dis play The units for the
96. equunN 1ueuunoog ezis a SW31SAS NNS dNv SL HOLIMSOMOIN rav 029 709 di 9 b H g NO HWVINH 316d 310328 3SN3S 4 px M31IV3H NSS SZ JINAGAN XLII NO OS Tv 031 34 61 19 INO 330 NYAL ANA 1003 NOILIGNOS didl HJVIIOHINOD XLO3 NIYA JHL WHOJNI TIIM vae HOLIASQMW2OIN JHL JHL 3ONO ANNONS Ol INSYYND lt 41 57 AlddNS 33 Od JINGOW AHL dl SN3dO dI Q30332X3 SI SNILI3S 111 N3HM 7 0303323X3 SI SNLLISS 710 N3HM ONIMOTIOS dO OL AND SH3IV3H Ol M3AOd M3XviH8 TIM YOLOW OVA HL 36 GION31OS 1005 HL
97. ew to the operation of the Model EC1x followed by sections which define in detail the operation of the Default Interrupt and Calibrate Menus Setting of the fail safe was covered in section 2 Section 5 contains an al phabetically sorted detailed description for all commands which may be used as a programming reference COMMAND OVERVIEW This section groups the various commands available for the Model EC1x by function and gives a brief definition for the command Consult Section 5 for a detailed definition on a particular command Commands from the local control panel described in the following sections may require several keystrokes followed by depressing the ENTER key Commands from the GPIB interface are termi nated with the EOI and or a line feed character Command lines from the RS232 422 interface may be terminated with a line feed or carriage return character or both carriage return and line feed characters Numeric values with leading and trailing zeros and spaces are accepted and integer fixed and floating point values are converted as required Lower case characters are automati cally converted to upper case If an error is made during command entry either locally or remotely a COMMAND ERROR message is displayed To determine the cause of the error you may press the Key followed by the ENTER Key from the local keyboard or ENTER from a remote interface The controller will provide a 2 line response The first line will be a cop
98. f you don t specify a damping the default value of 400 is used The larger the damping the slower the controller will move the chamber to the user reading For more information see the PIDA application note Example PIDA 4 500 Set mode 4 with a damping EC1x ver 0712 Pg 87 PIDC Function Setor examine PID coefficients for cool control Syntax PIDCznnn n nnn n nnn n set cool PID coefficients PIDC examine cool PID coefficients Description The PIDC command permits modification and examination of the proportional integral and derivative PID coefficients used in the algorithm which controls the chamber cooling process PID coefficients may be changed to accommodate varying changes in mass or radiant power in the test chamber area The PID Application Note contains a procedure for tuning PID coefficients to a particular application PID coefficients are stored in battery backed memory Restrictions None See Also PIDH PWMP Example 15 1 3 10 PID coefficients PIDC examine PID coefficients 0 15 controller response P 0 001 controller response 0 10 controller response D PIDH Function Setor examine PID coefficients for heat control Syntax PIDH2nnn n nnn n nnn n set heat PID coefficients PIDH examine heat PID coefficients Description The PIDH command permits modification and examination of the proportional integral and derivative PID coefficients used in the algorithm which controls the ch
99. following settings Connect using desired COM port Bits per second same baud rate selected in SDEF Menu Data bits 8 Parity NONE Stop bits 2 Flow Control NONE Pg 36 EC1x ver 0712 If your computer is using a DB25 Male connector instead of the the wiring connections as follows For example purposes this diagram also assumes DTR CTS control is selected EC1x CONTROLLER DB25 Male COMPUTER DB25 Female 2 TxD RxD 3 3 RxD 22 TxD 2 6 DRS 20 DCD 8 DSR 6 20 15 5 GND 7 NOTE CTS amp DTR are Optional If enabled in SDEF Menu but not hardwired unit will not com municate GPIB IEEE 488 REMOTE CONTROL The EC1x GPIB interface supports SERIAL and PARALLEL POLLING The EC1x s GPIB device address is set up from the SDEF MENU To send a command to the EC1x you will send the ASCII string for the command as given in this manual with a line feed and or EOI terminator a carriage return if sent will be ignored Data sent by the EC1x to the bus controller will be ASCII characters terminated with carriage return then line feed with EOI set If any interrupts are enabled and the GPIB remote is active and an interrupt occurs the SRQ line will be asserted on the bus The system controller can then perform a serial poll or parallel poll if enabled in the SINT MENU to service the interrupt If you chose not to service the EC1x interrupts the EC1x will display an
100. g to the serial interface is given as to whether a command was accepted or rejected To determine last command status the command may be used If command error inter rupts are enabled the controller responds with a prompt if the command received was rejected If the command was accepted and the type of command does not invoke a reply i e such asa SET nnn n command the controller will reply with an OK message If the accepted command in vokes a reply then the reply is sent without the OK message The CMD ERROR INT ENABLED mode is convenient since every command sent to the controller generates a reply back to the host computer thereby providing a handshake As covered many of the RS port operating parameters are set up in the SDEF menu The SDEF menu allows setting of the BAUD RATE RS232 or RS422levels ECHO on off and whether to use hardware handshake The serial port sends a zero for the parity bit and does not check in coming parity 8 Data Bits No Parity 1 STOP Bits When DTR CTS is not selected only the TRAN DATA REC DATA and GROUND signal lines are significant to the controller RS232 WIRING DIAGRAM To communicate over the RS232 bus a cable constructed with a male DB25 connector on the EC1x controller and a female DB9 connector on PC end and wired as follows is required EC1x CONTROLLER DB25 Male COMPUTER DB9 Female pin pin 2 TxD RxD 2 3 RxD TxD 3 7 GND GND 5 To communicate through Windows use the
101. ge desired 0 255 2 20mA 255 20 For 5V Range V desired ie V 5V x 0 255 V 5V 255 10 Pg 86 EC1x ver 0712 PIDA Function Set or examine PID settings for advanced chamber control Syntax PIDA PIDA n mmm m Description This command solves the problem of controlling your device under test DUT temperature at the setpoint rather than just controlling the chamber air temperature In the standard chamber control mode the chamber probe provides feedback to the PID control loop thereby controlling the air temperature of the chamber This command allows the user to control the temperature to the average of chamber and user probe temperature or bring the user probe temperature to the set value PIDA command can be accessed from the front panel by selecting either PIDH or PIDC backspacing over the last letter and replacing it with the letter Restrictions None Example PIDA to determine current setting PIDA n where n 0 1 2 3 or 4 0 PID mode 1 control to the average of chamber and user probe temp 2 slowly force user probe temp to the set value 3 Use user probe for control 4 Control to average then move user to set mmm m When above nis 2 or 4 a damping coefficient may be ENTERed to control loop speed Damping range 0 to 1000 default 400 When mode 2 4 is selected a damping coefficient may be set I
102. he bottom of the panel The switches operate in a push on push off or alternate action fashion The indicator is on when the function is enabled The following commands are for remote operation only When the Model EC1x main power is OFF and the unit is plugged in the controller will only acceptthe ON or STATUS commands from a remote interface EC1x ver 0712 Pg 37 Turn Model EC1x main power on OFF Turn Model EC1x main power off HON Enable heat function HOFF Disable heat function CON Enable cool function COFF Disable cool function TEMPERATURE CONTROL COMMANDS Temperature control commands allow you to set or examine temperature segment param eters A temperature segment in the Model EC1x is defined by the rate of change of temperature RATE from the present chamber temperature to the final temperature SET and by the amount of time to wait WAIT at the final temperature before continuing with the next temperature seg ment Upon detection of a SET command the controller uses the values as given by the RATE and WAIT commands and initiates the proper action to implement the temperature segment For best operation ENTER the RATE and WAIT information before ENTERing the SET point The CSET command allows you to examine the current temperature which the controller is attempting to con trol during ramps from one temperature to another This value changes at the rate defined by the RATE command until the SET value is reached At tha
103. he controller then controls the matrix system via its USER bus These commands are suported in firmware versions 2 2 and higher For 4 wire Kelvin measurements 2 lead axial or radial components Select 1 of 160 devices OUT4 n m where number 1 to 32 m component board number 1 to 5 For 6 or 8 wire Kelvin measurements 3 or 4 lead components Select 1 of 80 devices OUT5 n m_ where n device number 1 to 16 m component board number 1 to 5 For example to measure a 2 leaded part in socket number 17 on component board number 3 is sue OUT4 17 3 command then issue command Read on display a response of OK if com mand was accepted then perform your measurement on the The following is an example of a local program that can be used to step through each 2 leaded part Issuethe following commands from the front panel 10 1 11 1 DELPO to delete program 0 if one exists EDITO begin editing program 0 FOR 121 6 loop 5 boards FOR 10 1 33 loop 32 components per board 10 11 BKPNT IO display number and wait for ENTER key NEXT IO NEXT END end program edit RUNO to run the local program 0 The program will sequentially step through each component one at a time The program will dis play the component number beep and wait for you to press the ENTER key after selecting each component EC1x ver 0712 Pg 85 Example for Analog I O OUT device number
104. ife without boil off when performing extended test profiles Refer to the TANK and TANK command in Section 5 Three hoses and adaptors are provided to connect three tanks tothe three inlets on the back of the chamber LIQUID NITROGEN DELIVERY SYSTEMS Chambers configured with the Liquid Nitrogen option as the cooling expectorant are able to operate as low as 184 C in temperature Liquid nitrogen LN is commonly supplied in either a vessel also called a dewar or a bulk delivery system Delivery pressure forthese systems vary A bulk delivery system normally runs low pressure this pressure should not be below 25 psi Deliv ery from a vessel is available in low or high pressure Low pressure is 25psi to 50psi High pres sure is approximately 100psi Other pressure set ups are available please contact factory The pressure specified for the chamber at time of order is recorded on page 2 of this manual and on the I D Tag found on the back of the chamber LN INSTALLATION PROCEDURE 1 The EC1x is equipped with a 1 2 SAE 45 flare male fitting on the rear of the chamber tank fitting CGA 295 Connect the user supplied cryogenic supply hose to this fitting A 1 2 I D thermally insulated supply hose should be used for best chamber operation 2 Connectthe other end of the cryogenic supply hose to the LN supply 3 Insure fittings are secure Turn onthe LN supply and check for leaks LN 2 AUTO SWITCH The 2 tank LN automati
105. ilt on the chamber door and the cards that hold the components under test inside the chamber If you wish to receive detailed informa tion on the MATRIX system please call and ask for the data sheet The MATRIX system is con trolled via the chamber controllers user port For 4 wire Kelvin measurements one of a hundred and sixty devices can be selected For 6 or 8 wire Kelvin measurements one of eighty devices can be selected The OUT commandis provided to drive the MATRIX see SECTION 5 MATRIX FUNCTIONAL BLOCK DIAGRAM 4 WIRE FOR DIODE RESISTORS 8 WIRE FOR TRANSISTORS 5 4 5 2 9 8 7 6 eg B gt gt F gt COMPONENT BOARD OO o gt 0 USER PORT A RELAY 4PST 3 lz 4 KAZ 2 hr gt o 404 4001 4 r 5 2 1 mo 2 2A2 d 8 243 Oi 1 11 2A4 RELAY 4PST SOCKET TOP VIEWS PN AXIAL COMPONENT BOARD 32 DEVICES TRANSISTOR BOARD 16 DEVICES 4 of 160 RELAYS SHOWN ON FOR 4 WIRE OFF FOR 8 WIRE MATRIX CONTROL LOGIC POWER e SIMPLICITY 159 10
106. ing the chamber at low temperature Test the expectorant for cleanliness by discharging a small amount through a clean filter Inspect for quantities of ice oil rust or water for contamina tion Contaminated expectorants must not be used CAUTION Do not leave liquid nitrogen trapped in a supply line as high pressures will be devel oped when the liquid absorbs heat and is transformed from a liquid to a gas Bleed the supply hose when not use CAUTION To prevent premature LN coolant valve failure do not operate the chamber with the COOL enabled without a coolant connected to the chamber and turned on The coolantflow through the solenoid acts as coolant forthe valve Set auto cool off to yes in SDEF MENU CAUTION When operating the chamber at low temperatures for extended periods of time oper ate the chamber at 100 for an hour to dry any moisture which may accumulate in the fiberglass insulation material surrounding the test area of the chamber CAUTION Avoid oil contamination of the fiberglass insulation material surrounding the test area of the chamber Liquid oxygen may be formed in the insulation material when operating at low temperature Liquid oxygen mixed with oil can be explosive LIQUID CARBON DIOXIDE DELIVERY SYSTEMS There are three common delivery systems available with the use of liquid carbon dioxide They consist of a room temperature 50 pound 850 PSI type cylinder a 350 pound 300 PSI Dewer s type vessel
107. ith Valve ary 1 Usong 0 1 MIM E B3 B5 2UnBkz2 BB2 1545 JINOYLIA TS NNS Dn Mak ATIUM JUNE qoum nal 455 MM ER 1002 Becr aa 000 LI 1000 18038 Ae 9811210 DEMO MIUM DL u 51 mo D mo AO J e 2087 ddd SWayshs 91404459153 2 o0 fd i me T EC1x ver 0712 Pg 120 220 V 3Wire 11 with Cool Valve Bed BAREH We ol SHIM ZH LI SWALSAS 9314041525373 NNS 8 5 1 I Ww a an HE eS EW OL 3496 1941 WA 88 51 78134 18 D 1934 158482 o 0 8 5 84 suejshg 20140442913 58 147003 Sik 100 WI 1591009 TENT SA Mice M34 Pg 121 EC1x ver 0712 220 Vic 3 Wire EC13HA EC15HA EC16 EC16HA with Cool Valve EC1x ver 0712
108. ithout power TEMPERATURE CONTROLLER SECTION REMOVAL AND REPLACEMENT The temperature controller section is located on the right side of the chamber when viewed from the front Follow the procedure outlined below for the removal and replacement of the con troller section STEP1 Remove all electrical power from the chamber i e unplug the chamber from the line voltage Turn off the expectorant supply and disconnect expectorant supply hose from the chamber Insure that all of the components of the chamber have reached ambient temperature STEP2 Position the chamber on its left side as viewed from the front Remove the 4 or 5 6 32 screws located on the exposed bottom of the chamber control section intersection Then remove the 4 or 5 6 32 screws located on the top of the chamber control section intersection STEP3 Carefully separate the controller chassis from the chamber section being careful not to stress the wiring or probe connections STEP4 If probes are to stay with controller then remove probes from chamber section If probes are to stay with chamber then remove probe connectors from controller main PC board STEP5 Disconnect the 26 pin flat cable from the I O board that is mounted on the chamber section wall and also unplug the 2 wire power input cable from the I O board REPLACEMENT Reverse steps 1 5 HEATER ELEMENT REMOVAL AND REPLACEMENT The heating elements are located behind the air baffle located inside
109. led Command De scriptions command AB and command OUT AMBIENT AIR BLOWER INSTALLATION The EC1xHA chambers come with an ambient air blower which must be installed on the mounting screws on the back of the chamber The hardware consists of the blower four washers and four screws The blower has three leads green brown amp blue The mating leads coming from the chamber are green white amp black The leads connect as follows Blower Chamber Green Green Blue White Brown Black Because the ambient blower is AC powered the blue amp brown blower leads may be connected to the white amp black chamber leads in either order Note On older revision chambers the blower had green red amp black leads and the mating leads from the chamber were green red amp red The leads connect as follows Blower Chamber Green Green Red Red Black Red Because the ambient blower is AC powered the red amp black blower leads may be connected to the two red chamber leads in either order SETTING THE FAIL SAFE There are two types of fail safe mechanical and electronic To determine which fail safe your Model chamber has see INFORMATION ABOUT YOUR CHAMBER on page two or look at the back ofthe chamber Chambers with a mechanical fail safe will have a small adjustment screw located on the back of the chamber Chambers with an electronic fail safe will have a small box containing a digital display circuit breaker and two adjustment butto
110. ll tank3 full The number 1 indicates that tank 1 is currently being used for cooling This could also read 2 or 3 for tanks 2 or3 The switching time between tanks is approx 30 seconds TEMP Function Examine current chamber temperature Syntax TEMP Description The TEMP command provides the means for a remote interface to read the present value of the chamber probe This value is normally displayed on the first line of the front panel LCD dis play The units for the chamber probe set in the CAL menu for F C or Restrictions Remote Interface command only See Also T UCHAN CHAM Example TEMP read chamber probe 25 0 controller response 25 0 units EC1x ver 0712 Pg 101 Function Setorexamine time of day Syntax TIME hh mm ss set time of day TIME examine present time of day Description The TIME commandis useful for documenting report outputs and for starting local programs at a specific time of day Time is ENTERed and displayed in a 24 hour format i e hours hh range from 00 to 23 minutes mm range from 00 to 59 and seconds ss range from 00 to 59 Restrictions None See Also RUN mTIME hh mm ss Example TIME 13 30 00 set time to 1 30 PM TIME examine time of day 13 30 00 controller response TIMEE Function Reads the accumulated elapsed time in hours that the chamber has been running Syntax TIMEE examine accumulated elapsed hours Description The T
111. ll not damage the equipment BLOWER MOTOR INSPECTION AND CLEANING This procedure is to insure proper air flow is received by the blower motor for cooling STEP 1 Unplug chamber and position the chamber such that access is allowed to the rear of the chamber STEP2 Clean the intake of the blower motor with a brush or vacuum brush combination STEP3 Reposition the chamber insuring that at least 2 inches of free air space exists between the rear of the blower motor and any other objects EXPECTORANT FILTER CLEANING This procedure is necessary to insure proper working order of the cooling system STEP1 Position the chamber such that access to the rear of the unit is possible STEP2 Turn off the expectorant supply and remove the expectorant supply hose from the rear of the chamber The hose connects to the filter assembly STEP3 Remove the filter back section and then the filter itself STEP4 Remove any contamination from the filter If need be tap the filter lightly as not to damage the filter STEP5 Replace the filter and filter back body section STEP6 Reconnect the expectorant supply hose and turn on the expectorant supply Check for leaks around the fittings EC1x ver 0712 Pg 111 112 1 ver 0712 SECTION 9 CHAMBER REPAIR Note The controller no longer incorporates a replaceable RAM Battery Time and programming are held through a Super Cap and will remain in memory for approx one week w
112. lue 25 0 controller response 25 0 units EC1x ver 0712 Pg 103 UTL Function Setorexamine the upper temperature limit Syntax nnn nUTL TC01 compatible set UTL C UTL 01 compatible examine UTL C UTL2nnn n u Set UTL variable units UTL Examine UTL variable units Description The 01 compatible commands provide for setting and examining the UTL in degrees cen tigrade only If temperature units are desired to be the same as that set in the CAL menu for the SCALE variable then the UTL nnn n and UTL command formats should be used If the cham ber temperature exceeds the UTL setting then an over temperature interrupt will be generated to the active remote interface and the heat output will be disabled Restrictions TC01 compatible commands operate from the remote interface only See Also LTL Example If scale is setto 150 0UTL Set UTL to 150 C UTL examine UTL in 150 0 controller response 150 0 UTL examine UTL in units of SCALE F 302 0 controller response 302 F VER Function Examine the version number of the software in the controller Syntax VER Description The VER command allows the user to check the version of software that the EC1x cham beris running Version 2 20 and up will also display on the front panel when the unitis turned on Restrictions RS232 422 remote interface command only See Also Version number will also appear at the back ofthe first page of your EC1x
113. m the local control panel or from a host computer to or from the many I O devices resident in the Model EC1x Consult Section 4 for the proper format of the command for the particular device you wish to communicate with INj k In Read input port number j address k into integer variable In In read value of integer variable In OUTj k l Write to output port number address data l Anl variable may also be used in data field NOTE j 0 for BIT I O j 1 for USER PORT j 3 for ANALOG PORT SET DEFAULT MENU SDEF The Model EC1x contains default values which may be tailored to your individual test sys tem requirements The values are stored in nonvolatile memory eliminating the need to reload af ter a power interruption Refer to Section 5 command STOPES for information about restoring the factory default settings This command will delete all local programs LOCAL CONTROL OF THE SET DEFAULT MENU SDEF The default values may be set locally from the control panel by depressing the SDEF EN TER keys followed by responding to the menu oriented questions on the control panel display with either a YES NO numeric value To maintain current settings that is displayed inside paren theses just press ENTER key The format of the menuis as follows SDEF ENTER Set Default mode Set Up Defaults Y N ENTER YES if you want to modify defaults GPIB Address 0 30 ENTER GPIB address GPIB Lockup Time 0 2 59 sec
114. maged then a written note on the bill of lading describing the damage should be made while the delivery person is still on the premises Unpack the EC1x and save all carton and cushioning material in case the unit needs to be returned Verify the contents of the carton matches that of the items listed on the packing slip LOST OR DAMAGED EQUIPMENT If you determine that the goods described on the packing slip are lost or damaged first no tify the transportation company to obtain the correct procedure for returning merchandise for re pair or replacement Then call Sun Systems for a return authorization number so that we may best handle the merchandise when itis returned SAFETY CONSIDERATIONS Please take a momentto read the following safety precautions If for any reason you do not fully understand the meaning of the cautions please contact Sun Systems customer service before proceeding CAUTION Setthe fail safe as per setting the fail safe section CAUTION Lifting of the chamber should be done by two people to avoid injury CAUTION Disconnect all electrical power sources before attempting any type of access or serv ice to the interior of the chamber to prevent electrical shock Turn off expectorant supplies and disconnect expectorant supply hose before attempting any type of service to the interior ofthe chamber CAUTION Always operate the chamber with the case grounded to earth ground Verify that the power outlet to be used h
115. mber information sheet can be found on page 2 of this manual Verify that the serial num ber located on the ID tag at the rear of the chamber matches the serial number recorded on this information sheet then check under Coolant Type If the chamber was manufactured with cooling there will be a check marked beside Vac In addition under Fail Safe Type if the cham ber was manufactured with a Limit Module there will be a check marked beside Electronic Note This infomation sheet records the chamber setup at time of manufacture and assumes no later modifications have been made 2 The Limit Module is mounted on the chambers rear panel It is a small box with an LCD and circuit breaker switch 3 assembly will have two black wires running to the I O board They WILL have a bridge rectifier connecting between them Note On much older chambers these two wires may be red These indicate a cool assembly as well 4 The I O board for a V chamber will have either part number 840023 silkscreend in white the left side of the board or part number 10 on the top left corner Note These are the part num bers for just the bare boards The part numbers for ordering replacement I O boards be found in Section 14 EC1x ver 0712 Pg 139 220 V Wire EC1A LM EC10 LM EC12 LM Cool Valve ac ith V WI 19 19945 1002 Ot Aipnudej A00 OVZ BOZ 193 4
116. nctions except for the POWER switch In addition commands received over the remote interfaces are ignored except for the ON command and the STATUS command Depressing the POWER switch when the chamber is ON results inthe same function as the OFF command Restrictions Remote interface command only See Also Example Pg 82 ON OFF Turn OFF chamber EC1x ver 0712 ON Function Turn on power to chamber Syntax ON Description The ON command enables power and function of the chamber When the chamber is plugged in to an appropriate line voltage the controller is powered on and can accept a power on command from either the front panel by depressing the power switch or from a remote interface by using the ON command Restrictions Remote interface command only See Also OFF Example ON Turn on chamber power EC1x ver 0712 Pg 83 OUT Function Output data to the Bit I O port USER bus and or A D port Also turns on off ambient blower ambient blower applies to EC1xHA models only Syntax OUT lt device number gt lt address gt lt data gt where device number for BIT I O 1 for USER PORT 3 for ANALOG PORT Description The OUT command permits data to be transferred to an output device such as the Bit I O port USER bus or digital to analog convertors The ambient blower is controlled via the BIT For a complete description on operating with an I O device consult the particular device in Section 4
117. not affected by this command This is a controller software reboot com mand Restrictions None See Also Set Default Menu and Set Interrupt Menu in Section 3 Example 5 9 Depress the STOP key then the E then 9 then ENTER The EC1x chamber will reset defaults do a soft reboot and go to power off mode EC1x ver 0712 Pg 99 Function Stores a downloaded local program from a remote interface Syntax STOREm or STORE m Description The STORE command allows a remote interface to download a local program to the controller s local memory where identifies one of ten possible local program areas 0 through 9 Once downloaded local programs may be executed by issuing a RUN command Prior to downloading a program to the controller the local program must be cleared by using the DELP command Lo cal programs can be displayed or uploaded by using the LIST command The response to the STORE 15 the number of free bytes in controller RAM Restrictions Remote interface command only See Also LIST RUN DELP STOP Example DELP 0 clear LP area 0 STORE 0 ready controller for accepting LP commands nnn controller response free bytes TN send LP commands OK response to each command END terminate store operation LIST O display local program Ane controller displays local program RUN 0 execute local program T Function Examine current chamber temperature in Syntax T Description The
118. ns GPIB IEEE 488 PARALLEL INTERFACE The Model EC1x incorporates a standard IEEE 488 GPIB interface for communication with a host computer The bus address and timeout values can be set from the local control panel dur ing the SDEF menu The Model EC1x functions as a Talker Listener on the bus and provides an SRQ serial poll and parallel poll interrupt capability The GPIB interface may request or send in formation from to another I O device interface by issuing the appropriate IN or OUT instructions The signal pin assignments are as follows PIN SIGNAL PIN SIGNAL 1 DIO1 13 DIO5 2 DIO2 14 DIO6 3 DIOS 15 DIO7 4 DIO4 16 DIO8 5 17 18 GND 7 NRFD 19 GND 8 NDAC 20 GND 9 IFC 21 GND 10 SRQ 22 GND 11 ATN 23 GND 12 SHIELD 24 GNDLOGIC RS232 422 SERIAL INTERFACE The Model EC1x provides an RS 232 or RS 422 serial interface for communication with a host computer that is selectable the SDEF menu The RS232 422 serial interface may request or send information from to an AUXILIARY interface by issuing the appropriate IN or OUT in structions The signal pin assignments are as follows EC1x ver 0712 Pg 49 RS232 422 SERIAL INTERFACE DB25 DESCRIPTION 1 7 13 15 17 GROUND 2 TXD RS 232 Transmitted Data from Model EC1x 3 RXD RS 232 Received Data to Model EC1x 6 DSR RS 232 Data Set Ready 20 4 DTR RS 232 Data Term Ready 125 RS 422 Tran Data 25 TXD RS 422 Tran Data 10
119. ns mounted on the back of the chamber Referto photos in Section 1 CHAMBER REAR VIEW SETTING THE MECHANICAL FAIL SAFE The mechanical fail safe provided with the chamber is a safety device to prevent the cham ber from inadvertently overheating You will need to determine the maximum temperature that allow the chamber to reach This temperature is set to 155 C from the factory To change this temperature perform the procedure listed below If this maximum temperature is ever reached in your chamber the fail safe light on the front of the chamber will light and the circuit breaker on the rear of the chamber will trip thus removing power from the heaters EC1x ver 0712 Pg 27 1 Locate the fail safe adjusting hole on the rear of the EC1x and displace insulation material which may block access to the fail safe adjusting screw 2 Ifthe desired trip point is higher than 155 C the fail safe adjusting screw must be turned counterclockwise a couple of turns This sets the fail safe at a higher value and will not trip the circuit breaker If the desired trip point is lower than 155 C itis not necessary to adjust the screw atthis time 3 Set the chamber temperature to the desired trip point temperature and set the wait time to 10 minutes For example if the desired trip point is 155 C the following keystrokes from the front panel would be necessary SET 155 ENTER WAIT 10 ENTER To set the trip point for a temper
120. nt Filter Assembly LCO 980240 Expectorant Filter Assembly LN 980241 600 watt Heater Element 980201 800 watt Heater Element 980205 Left Door Handle Assembly 980501 Right Door Handle Assembly 980502 Door Post EC1A 10 11 910031 Door Post EC12 13 13HA 1 3W 16 16HA 910005 Door Gasket ECOA 1A 11A 980518 Door Gasket EC01 10 11 980512 Door Gasket EC02 03 12 13 13HA 15HA 980516 Door Gasket EC16 16HA 980519 6 ft Stainless LCO Hose without fittings 570002 LN Hose 6 ft 570020 LCO Tank Adaptor 980239 2 pole Circuit Breaker 650010 Extra User Manual MANEC1X EC1x ver 0712 Pg 143 144 1 ver 0712 SECTION 15 ERROR MESSAGES Error Messages Possible Cause Recovery 50 FORCE H amp C OFF Refer to the SDEF menu Auto SENSE INO This error occurs when the default setting of NO has been changed to YES enabling the Auto SENSE INO but your chamber is not set up to detect logic on input bit O and shut off Heat and Cool COMMAND ERROR Syntax Error Press ENTER on the display will be a two line response The first line will be a copy of the last command received The second line will be a pointer indicating the spot in the command where the error occurred COP INT The COP INT error indicates a possible problem with the motherboard Unplug the chamber and plug it back in Turn the chamber and issue the software reset command STOPE9 lt gt from the fr
121. nter cable This port can be used in addition to the standard analog outputs that are provided for charting or in lieu of the analog chart when a line printer is more available The printer port option also provides an additional 8 bits of on off output and 8 bits of on off input The additional I O may be used to control or monitor external devices such as your device under test power supplies etc See the SDEF MENU in Section 3 to enable printer and set parameters See photo of Printer Expansion Board following this section PRINTER COMMANDS To print a local program number on the printer Print red SHIFT key on front panel To print string on printer remote only Write to one of 8 output bits m 8 to15 n Oor 1 Read one of the 8 input bits m 8 to 15 In is variable Print string m n In 0 m In Pg 62 PRINTER EXPANSION BOARD mm Bu 3 3 25 cmn 4 1 12812 e 3 5 1 ver 0712 PROBE INTERFACE with connection diagram The dual probe interface on the Model EC1x accepts several different types of sensors The type of probe and the calibration for the probe selected is accomplished by running the CAL menu from the local control panel refer to Section 3 The following represents the connections to the probe connector located inside the controller section for either the CHAMBER channel or the USER channel
122. nterrupt in your program Pg 146 EC1x ver 0712
123. ntis reading The cal com mands ie CALC CALA1 are supported remotely by ENTERing the ASCII string and locally by ENTERing keystrokes To perform the cal to a standard 1 CALC access code Clears existing standard cal from chamber amp user probe as an alternate CALC1 access code Clears existing standard cal from chamber probe CALC2 access code Clears existing standard cal from user probe 2 Place your standard probe as close as possible to the probe or probes to be calibrated 3 Setthe chamber to goto the firsttemperature point 4 Allow 15to 20 minutes for chamber stabilization 5 Depress CALA1 access code standard reading Calibrates the chamber probe offset 6 Depress CALA2 access code standard reading Calibrates the user probe offset Pg 46 EC1x ver 0712 7 Set the chamber to go to the second temperature point The larger the difference between the two points the more accurate the gain cal will be 8 Allow 15to 20 minutes for chamber stabilization 9 Depress CALB1 access code standard reading Calibrates the chamber probe gain 10 Depress CALB2 access code standard reading Calibrates the user probe gain Using chamber probe as an example The chamber is set to the first temperature point of OC After stabilization the standard reads 2C Depress CALA1 9 2 Theoffsetis calculated and chamber 15 resetto 2C The top line on the front panel display chamber now reads 2C The chamber is to the s
124. ommand permits a remote interface to enable chamber heating operation The HEAT switch located on the front panel can also enable chamber heating operation if depressed when heating is disabled When editing local programs from the front panel keyboard depressing the HEAT switch on the front panel ENTERs either HON or HOFF If the opposite action is desired cancel the entry and re ENTER to get the correct action All local programs default to HON at the beginning Restrictions None See Also COFF CON HOFF Example HON Enable chamber heating operation IVARIABLES Function Setorexaminel variables Syntax Im value set Im equal to value Imz Im value set Im equalto sum of values Im Im value set Im to difference of values Im examine variable m Description variables are used in local programs for loop control and general purpose Integer arith metic A value may be any integer in the range of 32768 32767 or another variable The con troller supports 10 variables where ranges from 0 to 9 variables are global between all local programs and as such care should be taken to insure that the same variable is not used in two different applications within any active group local programs Restrictions None See Also FOR NEXT IN OUT BKPNT Example 10 52 set variable 0 to 52 12 10 set variable 2 equal to variable 0 15 10 9 5 0 9 43 16 10 15
125. only that key To select an alternate function for example printed in red above the key first press the red shift key then press the function key then press the blue ENTER key The LED indicators provide positive indication that the alternate function is enabled The blue ENTER key is required at the end of each command line to execute the com mand line and then is ready for the next line The command entry may be edited using the green backup or cancel keys priorto pressing the blue ENTER key REMOTE GPIB OR RS232 422 OPERATION The Model EC1x can operate remotely from a host computer over an IEEE 488 standard GPIB interface bus or over an RS 232 or RS 422 serial interface Individual commands may be sent to the Model EC1x or programs may be downloaded and executed further relieving the host computer A carriage return line feed is sent after an RS port interrupt character to simplify check ing for interrupt by the host To insure compatibility with Sun Systems Model 1 temperature controller and the Model ECOx environmental chamber the Model EC1x accepts the most com monly used 1 commands Section has a complete list of single commands and pro gram instructions for the Model EC1x DATA ACQUISITION AND CONTROL INTERFACES The Model EC1x provides an expanded interface to facilitate special test fixtures and accessories provided by Sun Systems or for use by you for your custom test fixture requirements Analog input
126. ont panel If this error message appears again the motherboard and front panel will need to be sent in Please call SUN for assistance and we can issue you an RMA number Please provide the chamber serial number if possible DISPLAY SCREEN If characters on the display screen are missing or scrambled unplug the unit from the wall outlet wait a few seconds then plug the unit back in This does a hardware reset and will usually correct the display problem ERROR SET lt LTL This error means that the SET temperature is set lower than the LOWER TEMPERATURE LIMIT i e LTL 0 and SET 50 If this is the case you need to adjust your Lower Temperature Limit LTL See LTL and SET command in Section 5 of this manual The LTL is a software safety feature If the SET value is set below the LTL you will get ERROR SET lt LTL and the unit will not go to that set point unless you lower the LTL below the SET value or increase the SET value to be above that of the LTL ERROR SET gt UTL This error means that the SET temperature is set higher than the UPPER TEMPERATURE LIMIT i e UTL 100 and SET 150 If this is the case you need to adjust your Upper Temperature Limit UTL See UTL and SET command in Section 5 of this manual The UTL is a software safety feature If the SET value is set above the UTL you will get ERROR SET gt UTL and the unit will not go to that set point unless you increase the UTL value above the SET v
127. ories which you may require The interface con sists of a multiplexed 16 bit address and an 8 bit data bus Control signals for upper and lower address and data permit de multiplexing of the 8 bit multiplexed bus The pin assignments are as follows USER PARALLEL I O INTERFACE 26 PIN IDC PIN DESCRIPTION 2 4 6 8 QAD7 thru QADO Multiplexed 8 bit 10 12 14 16 Address data bus 2 2QAD7 16 2QADO 18 QE U Active high either reads data from a device or writes data to a device depending on the state ofthe R W signal During a WRITE operation data is stable for the duration of QE 0 During READ operation the device must place data on the data bus QAD7 0 within 1micro second after QU E going active high 20 Q_R W High defines a READ from a device Low defines a WRITE to a device 22 ASM Active high indicates that the data present on QAD7 0 is the upper 8 bits of a 16 bit address field 24 Q_ASL Active high indicates that the data present on QAD7 0 is the lower 8 bits of a 16 bit address field 26 Reserved 11 13 15 17 GROUND 19 21 23 25 1 9 5 7 9 V UNREG Unregulated DC voltage provide as operating power for test accessories The nominal voltage 24VDC with a tolerance of 20 The maximum current capability of the voltage source is 700mA max with active current limit circuitry The control panel Local Programs GPIB and RS232 422 communication interfaces can read and write to devices attached to th
128. oring only no control Only supports K T C Only available on software versions 10 xx and higher Example C3 read channel 3 probe 3 25 controller response 25 0 units 4 read channel 4 probe TC 4 25 controller response 25 0 units Pg 68 EC1x ver 0712 Function The CALAx command allows for an offset adjustment on the measurement reading of channel x Syntax CALAx access code standard reading where X 10r2 1is chamber probe 2 is user probe access code Defined by user default 9 standard reading Known measurement value Description The CALAx command allows user to offset the measurement value of channel x See CAL TO A STANDARD COMMANDS Section 3 for the actual calibration procedure The CALAx command may be issued after an initial calibration sequence to fine tune the calibration of a particular channel Also CALC CALBx See Section 3 CAL TOA STANDARD COMMANDS Example Offset adjustment of sensor 1 Sensor 1 is placed at 0 C After stabilizing sensor 1 reads 0 5 C The command 1 9 0 0 is issued The sensor now reads 0 C CALBx Function CALBx command allows for a gain adjustment on the measurement reading of channel x Syntax CALBx access code standard reading where X 1 2 1 is chamber probe 2 is user probe access code Defined by user default 9 standard reading Known measurement value Description The CALBx command allows users to mo
129. p Resolution User Probe Battery Backup IEEE 488 RS232 RS422 Max Rate of Change CFM Vertical 110 115 VAC 50 60 Hz Single Phase 208 220 VAC 50 60H Single Phase 3 4 Wire 240 VAC 50Hz Single Phase 3 Wire Power Req Net Shipping Weight Environment Operating Environment Shipping amp Storage Temperature Range SAFETY Probe Malfunction Controller Malfunction Temperature Limits Pg 108 EC1A EC11A 0 37 83 0 37 ft 10 0 W 10 0 W 8 0 H 8 0 H 8 0 D 8 0 D 17 5 W 17 5 W 13 25 H 13 25 H 20 0 D 20 0 D 0 02 C 0 02 C Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes 5 C sec 1 0 C sec 30 C min 60 C min 60 ft min 120 1600 Watts 4200 Watts 38 55lbs 38 55lbs Temperature Barometric Pressure Humidity Temperature Barometric Pressure Vibration and Shock EC10 EC11 EC1 3W EC12 0 7 ft 0 7 ft 1 3783 2 2 ft 12 0 W 12 0 W 14 0 W 20 0 W 9 75 9 75 13 0 12 10 25 D 10 25 D 13 0 D 16 0 D 21 0 W 21 0 W 26 5 W 30 0 W 16 0 H 16 0 H 21 0 H 19 5 H 24 0 D 24 0 D 31 0 D 30 0 D 0 02 0 02 0 02 0 02 Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes 5 C sec 8 C sec 33 C sec 25 C sec 30 C min 48 C min 209 15 C min 60 ft min 120 ft min 250ft min 150 ft min 1800 Watts 4200 Watts 3000Watts 2200 Watts 49 68lbs 49 68lbs 77 94 Ibs 80 100lbs 94 to 608 F 70 to 320 C using Carbon Dioxide 299 to 608 F 18
130. poIN VH X LOA s 19 any NI HOLLASDSJIN wt Tv 3 3141494 SJGWVHO YANNI DINI DNISDD 59 NDILY207 INGW3T3 T V sd 3109 1 SSHOLIMS ZS IS SNINNNA NIHA SSHOLIMS CAZAS OLOW ZS IS AS Z33dS MS 03345 0 6 es TS 140 29 w su N2 gavos CEE DUI SWALSAS 1 3313 NNS NIVW 01 L VT eas MSS 59 009 009 008 vH 009 9H 009 5H 008 cH 008 GIDNG IDS 1009 IVA 022 9802 OVA 0dJ B02 1000 MSS NIVW ass NV3 V T4 1005 7009 971 71005 2 70057 0 88 0033 SWV 1V3H 41 1000 dO 24 2o 3609
131. purchaser shall determine the suitability of this prod uct via this document for his intended use and purchaser assumes all risk and liability whatsoever in connection therewith No statement or recomendation not contained herein shall have any force or effect unless in agreement signed by an officer of SUN ELECTRONIC SYSTEMS INC EC1x ver 0712 Pg 7 EC1X DESCRIPTION The Model EC1x subjects objects placed in the chamber area to either heated or cooled air which circulates from the intake in the rear of the test chamber area up and across the roof of the test chamber inside a baffle and vertically downwards back into the test chamber area Inside the test chamber area baffle resistance heaters heat the circulating air and injected carbon dioxide or optionally liquid nitrogen cools the air Using Pulse Width Modulation techniques which either turns on or off the heaters and or coolant supply valve the controller in the Model EC1x maintains the desired temperature or rate of change of temperature in the chamber test area To accurately control the process of maintaining or changing temperatures within the test chamber area the controller uses Proportional Integral and Derivative PID control techniques If necessary you may tailor the characteristics of the PID algorithms independently for both heat and coolto the objects placed in the test chamber area The Model EC1x is instructed to control temperature either by issuing single control comm
132. remotely only and will be converted automatically to default units Restrictions Temperature values for the LTL command must range between 200 C and the UTL setting See Also UTL Example If scaleis setto LTL 100 0 set LTL to 100 C LTL examine LTL 100 0 controller response 100 C EC1x ver 0712 Pg 81 Function Syntax Description Set or examine the current wait at temperature time nnn nM Setthe temperature segment wait time M Examine the current temperature wait time The M command is a 01 controller compatible command which either sets the current temperature segment wait time sometimes referred as soak period or allows a remote interface to examine the current setting When setting wait times nnn n represents the wait time in min utes If waittime is equal to forever M returns 1999 Use the more general wait command is pos sible Restrictions Remote command only See Also Example OFF Function Syntax Description WAIT 12 1M Set waittime for 12 1 minutes M Examine wait time 12 1 Response from controller WAIT Examine wait time with WAIT command 00 12 06 Response from controller Turn off chamber power OFF The OFF command turns off the power to the chamber As long as the chamber is con nected to an appropriate line voltage the controller in the chamber is still powered on The OFF command turns off the front panel display indicators and switch fu
133. removed from around and within the Model EC1x the unit is connected to its primary power source a coolant supply is connected to the unit and if re quired an appropriate exhaust vehicle is connected to the exhaust port Now the Model EC1x is ready for operation Press the yellow power key located on the bottom of the front panel After selfcheck is complete the Model EC1x should power up with the LCD display indicating Chamber probe temperature and USER probe temperature The blower located in the rear of unit should be operating The Model EC1x is now ready to accept commands INITIAL START UP To seta single temperature segment 1 First setthe rate of change of temperature to 30 deg min press green SHIFT alternate function key RATE 3 0 blue ENTER Displays RATE 30 2 Next set the wait time to 1 minute and 10 sec green SHIFT WAIT 0 green SHIFT 1 green SHIFT 0 blue ENTER Displays WAIT 0 1 10 3 Then the target temperature to 40 degrees green SHIFT SET 4 0 blue ENTER Displays SET 40 To enable the heat and cool outputs press the yellow heat ON OFF and cool ON OFF keys The chamber will ramp to 40 deg and after 1 minute 10 sec will time out Pg 30 EC1x ver 0712 SAMPLE LOCAL PROGRAM The following program demonstrates some of the most used features The program will cause the chamber to go to 50 deg at a rate of 30 deg minute and stay there for 5 minutes After the 5 minutes at50 deg
134. ring from the front panel a 1 may be used for Y and O for N Description The SINT command allows for setting or examining the set interrupt parameters over the GPIB RS232 or RS422 Restrictions Remote command only See Also Example EC1x ver 0712 See Set Interrupt Menu in Section 3 of this manual SINT NYYYYNNNYYO where position N all remote interrupts ARE NOT off Y single timeout interrupt enabled Y deviation interrupt enabled Y Local Program LP timeout interrupt enabled Y Local Program LP done interrupt enabled N buzz single timeout disabled N buzz Local Program LP done disabled N buzz Local Program LP timeout disabled Y command error interrupt enabled Y BKPNT interrupt enabled 0 parallel poll 1 to 8 to define parallel poll bit Pg 97 STATUS Function X Allows polling in lieu of interrupts for remote operation Syntax STATUS Description This command will allow polling to take place instead of interrupts when controlling the chamber via one ofthe remote busses Restrictions Remote command only Example STATUS Returns with 18 character response where char position 1 Y power ison 2 Y command error last command 3 out LED is on 4 Y waiting for timeout 5 Y heat output is enabled 6 Yzcool output is enabled 7 8 9 Yzvalid set temperature Y deviation limit exceeded Yzcurrently ramping 10 Y chamber temp lower limit 11 Y chamber temp gt upper limi
135. rupts Yes No ENTER Yes if you want to modify interrupts BUZZ LP Timeout Yes No ENTER Yes to enable BUZZER after each temperature segment timeout during Local Program execution BUZZ LP Done Yes No ENTER Yes to enable BUZZER when the end of a Local Program is encountered BUZZ Single Yes No ENTER Yes to enable BUZZER at the end of each temperature segment timeout in single temp mode EC1x ver 0712 Pg 43 INTLP Timeout Yes No INT LP Done Yes No INT SINGLE T O Yes No DEVIATION INT Yes No CMD ERROR INT S Yes No BKPNT INTERRUPT Yes No P POLL 1 8 0 NO CAL menu access code ENTER Yes to enable Timeout Interrupts after each temperature segment timeout during Local Program execution ENTER Yes to enable LP Done interrupt when the end of a Local Program is encountered ENTER Yesto enable a Single Temp Timeout interrupt at the end of each temperature segment in single temp mode ENTER Yes to enable DEVIATION Interrupts ENTER Yes to enable Command Error Interrupts ENTER Yes to enable breakpoint Interrupts ENTER Oto disable parallel poll or 1 thru 8 to set bit position for parallel poll The number that is ENTERed will become the code that the CAL menu will expect to grant access A 0 number will turn off CAL access code default 9 REMOTE CONTROL OF THE SET INTERRUPT MENU SINT The interrupt values may be set remotely from the GPIB RSS232 or RS422 by utilizing the SINT
136. t 12 Yzwaiting ata BKPNT 13 Yzin LP run mode 14 YzinLP remote store mode 15 Yainlocal edit LP mode 16 Y waiting to run LP at TOD 17 Y GPIB bus timeout 18 Y in local keyboard lockout mode 19 0 Self Test was OK 1 Battery RAM error found check default settings 2 EE RAM error found check probe calibration 3 ROM error found call factory Pg 98 EC1x ver 0712 Function Terminate local program execution and single temperature segment execution Syntax STOP Description If in Local Program operation the STOP command terminates local program execution by the controller If running in single temperature mode then ENTERing the STOP command termi nates the temperature segment and sets SET NONE and WAIT FOREVER and also will cancel a pending run time of day Restrictions None See Also RUN Example DELP 0 clear LP area 0 STORE 0 ready controller for accepting LP commands m send LP commands END terminate store operation LIST 0 display local program controller displays local program RUN 0 execute local program 5 9 Function Restores SDEF SINT variables to factory default settings and clears all local program data Syntax 5 9 Description The STOPE9 command resets the settings in the SDEF and SINT MENU deletes all local programs and all limits You may wish to write down settings that will be needed during your setup Calibration information is
137. t point CSET is equal to the SET value The chamber and user temperature may be read remotely at any time and are displayed on the LCD display SET2nnn n u Set segment final temperature SET Examine present segment final temperature WAIT nn nn nn Set temperature soak period at final temperature HRS MIN SEC WAIT nn Set wait time MIN WAIT F OREVER Wait Period never times out WAIT Examine present wait period RATE 2nnn nn u Set temperature ramping rate at nnn nn degrees per minute RATE Examine present temperature ramping rate CSET Examine present temperature of which controller is attempting to control UCHAN Examine USER probe value TEMP Examine CHAMBER probe value SCALE Examine Units of Scale for the Chamber Probe SCALE 2 Examine Units of Scale for the USER Probe C 55 Set Time of Day TIME Examine present Time of Day STOP Prematurely terminate the run mode or make set none if run mode not active u is optional units character C F or K TEMPERATURE SAFETY LIMIT COMMANDS Temperature limit commands are used for safety reasons and to insure test parameters are not exceeded Lower and upper temperature limits prevent setting temperatures in violation of the limit setting In addition upper and lower temperature limit commands shall generate an inter rupt to the active remote device if the chamber exceeds one of the temperature limits If the cham Pg 38 E
138. th ends The rear of the chamber has an 1 8 NPT female fitting The following are instructions for connecting the N gas supply 1 Connect nitrogen gas supply to input port at back of cham ber control section Maximum pressure 100psi 2 The following commands are used to turn On and Off the gas flow into chamber The OUTO commands may be stored in local programs for automatic gas control OUTO 4 1 turn on gas flow OUT0 4 0 turn off gas flow 3 Adjust needle valve for desired flow Gas Purge Needle Valve N GAS PURGE No Needle Valve This option provides access to purge N gas into the chamber through an 1 8 NPT nipple located on the back of the chamber Pg 26 EC1x ver 0712 AMBIENT AIR BLOWER SYSTEM The EC1xHA chambers incorporate an air blower that blows ambient room air into the chamber to provide a means to cool the chamber from higher than room temperature point down to near room temperature without consuming expectorant After the ambient air blower cools the cham ber to near room temperature normal expectorant cooling would be used to cool to the low tem perature point Cooling provided by the blower follows an exponential curve When the difference between the chamber and ambient temperature is large very high rates of cooling are realized Use of this feature saves a considerable amount of expectorant when cycling between high and low temperature points To control the ambient blower refer to Chapter 5 Detai
139. the buzzer will sound and BKPNT 1 will be displayed To continue from the breakpoint press ENTER The chamber will then go to 0 deg at a rate of 25 deg minute and stay there for 7 and 1 2 minutes Then BKPNT 2 will be executed press ENTER to continue Then the above will be repeated 5 times by the FOR NEXT loop To ENTER the program in program 0 follow the key strokes listed below red SHIFT to delete existing prog 0 if any DELP 0 blueENTER red SHIFT to create a program EDIT 0 blueENTER free memory is displayed then line 1 is displayed if program is empty then END is displayed NOTE While in edit mode red up and down arrow keys allow you to move in the local program The red DELL allows you to delete the current displayed program line A line can be inserted in front of the current displayed program line by the new line red SHIFT FOR blue ENTER Displays FOR 10 1 6 to set number of cycles 5 green SHIFT RATE 3 0 blueENTER Displays RATE 30 to set ramping rate for 30 deg min green SHIFT WAIT 5 blueENTER Displays WAIT 5 wait 5 minutes green SHIFT SET 5 0 blueENTER Displays SET 50 at 50 degrees EC1x ver 0712 Pg 31 red SHIFT BKPNT 1 blueENTER green SHIFT RATE 2 5 blueENTER green SHIFT WAIT 0 green SHIFT 7 green SHIFT 3 0 blueENTER green SHIFT SET 0 blueENTER red SHIFT BKPNT 2 blueENTER red SHIFT NEXT 0 blueENTER
140. the test chamber area Follow the procedure below for removal and replacement STEP 1 Unplug the chamber from the line voltage Turn off the expectorant supply and disconnect expec torant supply hose from the chamber Insure that the heating elements and the interior of the chamber have had time to reach ambient temperature REMOVE AIR BAFFLE STEP2 Remove the 3 6 32 screws and the 4 8 32 screws located around the blower air intake on the rear wall of the interior of the test chamber STEP3 Remove the 2 6 32 screws located on the ceiling of the test chamber and the air baffle EC1x ver 0712 Pg 113 REMOVE CHAMBER BACK PLATE STEP4 Remove the 14 or 18 6 screws located on the perimeter of the chamber back plate and care fully pivot back plate away without stress to the line or fuse wiring HEATER ELEMENT REMOVAL STEP5 Carefully remove the fiberglass insulation from the heater mounting area Remove the 6 32 nut and flat washer from each side of the heater element Remove the wired ring terminals from the heater element mounts STEP6 Remove the next 6 32 nut and beveled washer from both mounting sides NOTE When reinstalling always place the wide part of the bevel washer towards the ceramic in sulator Tighten the nut finger tight plus 3 4 of a turn or use 4 inch pounds of torque Stand to the side of the chamber While supporting the two ceramic insulators from falling with one hand reach
141. ting remove the screw above the red key then while holding the red key use a small flat tipped screw driver and adjustthe UTL setting The LTL setting is done in a like manner using the BLUE key and its adjustment pot that is located above the blue key The following table gives approximate module temperature readings relative to the actual temperature The module was designed to be a simple analog circuit to provide reliable chamber protection Its temperature accuracy was not a design goal For example to cause the trip at 300 deg C actual chamber temperature you may need to set the module UTL to 303 deg C or so ACTUAL TEMP deg C MODULE READOUT deg C 200 146 100 88 60 55 20 19 0 0 100 100 200 202 300 303 400 415 EC1x ver 0712 Pg 29 EC1X CHAMBER INSTALLATION The EC 1x is factory wired for AC sources delivering 110 208 or 240 50 60 Hz A tag located on the back panel of the chamber indicates the proper voltage to be applied Insure that the current rating of the service is sufficient to provide the necessary amounts of power required by the chamber see Section 7 Specifications Install the chamber on a surface which is flat rigid and free from shock and vibration Orient the chamber in such a manner that the control panel door and coolant connection are readily accessible Insure that 2 inches of free air space exists between the rear of the blower motor and any other objects Once all packing material has been
142. tion the breakpoint interrupt is sent to the appropriate remote bus The host controller upon receiving the breakpoint interrupt may issue a BKPNT command to read the value of the breakpoint and issue a BKPNTC to continue local program execution Restrictions Remote only command EC1x ver 0712 Pg 67 Function Setorexaminethe current set temperature deg Syntax nnn nC set current settemperature C examine current set temperature Description The C command is a 1 controller compatible command which either sets the current set temperature or examines the controller for the current set temperature The set or response is in degrees centigrade always The C command returns with a value of 1999 if the current set tem perature is equal to none Use the more general set command if possible Restrictions Remote interface command only See Also SET Example 150 0C Set current set temperature to 150 0 C C Send command to examine current set temp 150 0 Controller response temp 150 C SET Examine current set temp with SET command 150 0 Controller response C3 8 C4 Function Examine channel 3 or channel 4 temperature Syntax C3 C4 Description The C3 or C4 commands provide the means to read the present value of channel 3 or Channel 4 either through a remote interface or from the front panel This value is normally dis played on the second line of the front panel LCD display Restrictions Monit
143. ts fuse blowing 5 If a current of 2 amps or more is detected to the chamber chassis earth ground This condition can occur for example if a heater element fails in such a way that the heater element wire breaks and comes contact with the inner chamber wall When the 2 pole breaker opens all line power is removed from the heater circuitry Open ing of the breaker also causes a signal to be sent to the chamber main controller electronics The Pg 28 EC1x ver 0712 main controller upon indication of the breaker open state then turns off all fans and valves and turns on the FAIL SAFE LED Once the breaker is tripped open it will stay in the open tripped state until manually reset by moving the handle to the up position Before resetting the breaker it is necessary to correctthe cause ofthe breaker trip else it willtrip again within afew seconds Never hold the breaker lever in the up position just push it up and release the lever The breaker and Limit Module are located on the rear of the chamber There is a 3 1 2 digit LCD display that normally display s the chamber temperature as sensed by the Limit Module Note thatthe Limit Module s temperature accuracy is much less than the temperatures displayed on the front panel see temperature table that follows There are two push keys and two screws that can be removed to access the UTL and LTL adjustment pots To view the current UTL setting push and hold the RED key To adjust the UTL set
144. ure 25 0 controller response for example 25 0 C 5 35 0 set new setpoint for example 35 C after waiting 30 seconds TEMP read present chamber temperature 30 0 controller response up 5 C in one half min RTL Function RS 232 422 Command to unlock local keyboard Syntax RTL Description The Return to Local RTL command may be issued from a host processor to unlock the local keyboard The RTL command only applies to host computers communicating over the RS 232 or RS 422 serial interfaces Local keyboard function may be locked thru the use of the LLO command Local keyboard unlock operation for host processors communicating over the IEEE 488 interface varies according to the particular host computer syntax requirements Restrictions RS 232 422 remote interface command only GPIB interface host computers have unique methods for returning to local operation See Also LLO Example LLO lockout local keyboard run sensitive testing RTL unlock local keyboard Pg 90 EC1x ver 0712 Function Starts the execution of a local program Syntax RUNm or RUN m Description The RUN command initiates the execution of local program defined by m where m selects local program the range of 0 to 9 Local programs are ENTERed into the controller using the EDIT command from the local keyboard or downloaded from a remote host computer using the STORE command Local program execution may be prematurely terminated by issuing
145. variables 0 9 which is useful for breakpoints that are placed within FOR NEXT loops Restrictions Breakpoint values displayed on front panel display To read over remote bus issue BKPNT command See Also Example Pg 66 BKPNT BKPNTC Editing from the local keyboard EDIT 0 END BKPNT100 END FOR I221 10 END BKPNTI2 END NEXTI2 END END edit program 0 controller response set breakpoint 100 controller response begin FOR NEXT loop controller response set breakpoint for variable 2 controller response end FOR NEXT loop controller response terminate program entry EC1x ver 0712 Function Remote bus command to continue from breakpoint Syntax BKPNTC Description When the BKPNT interrupt is enabled by the SINT menu anda local program is started via aremote RUN command then when a BKPNT is reached during local program execution the breakpoint interrupt is sent to the appropriate remote bus The host controller upon receiving the breakpoint interrupt may issue a BKPNT command to read the value of the breakpoint issue commands and then issue a BKPNTC to continue local program execution Restrictions Remote only command BKPNT Function Remote bus command to read value of breakpoint Syntax BKPNT Description When the BKPNT interrupt is enabled by the SINT menu anda local program is started via aremote RUN command then when a BKPNT is reached during local program execu
146. very of low pressure from a 300 PSI dewar vessel or bulk delivery system Extra insulation is provided and a special nozzle assembly is used A hose and fitting necessary to interface between the EC1x and LCO dewar is provided Option OLNDCxT provides for the extended operating range of liquid nitrogen Chambers configured with the Liquid Nitrogen option as the cooling expectorant are able to operate as low as 184 C in temperature Liquid nitrogen LN is commonly supplied in either a vessel also called a dewar or a bulk delivery system Delivery pressure for these systems vary A bulk delivery sys tem normally runs low pressure this pressure should not be below 25 psi Delivery from a vessel is available in low or high pressure Low pressure is 25psi to 50 High pressure is approxi mately 100psi Other pressure set ups are available please contact factory The pressure speci fied for the chamber at time of order is recorded on page 2 of this manual and on the 1 0 Tag found on the back of the chamber PORT AND WINDOW OPTIONS Several options provide standard port and window options for convenience when working with the EC1x Standard options include 1 2 3 or 4 ports in the door and or sides of the cham ber A window may also be installed in the door Please call with your special requirements EC1x ver 0712 Pg 107 SECTION 7 SPECIFICATIONS Model Chamber Volume Internal Dim External Dim Tem
147. west value to chart in degrees for this channel ENTER High value ENTER highest value to chart in degrees for this channel ENTER YES to enable line printer if installed If answered YES to printer then select of lines min to print ENTER chartlow end temperature ENTER chart high end temperature ENTER temperature tolerance at which the controller starts waittime countdown ENTER YES to change coolanttype If you answered YES to Setup Coolant Valves ENTER YES if your chamber is setup for 850 PSILCO ENTER YES if chamber is setup for 3 tank LCO If you answered NO to 850 PSI LCO ENTER YES if your chamber is setup for 300 PSILCO Auto 2 Tank CO Liquid Nitrogen Redundant Valves Pg 42 ENTER YES if chamberis setup for 2tank ENTER YES if your chamberis setup for LN ENTER YES if your chamber has redundant valve option installed EC1x ver 0712 LN Line Purge ENTER YES if your chamber has line purge valve option installed Auto 2 Tank LN2 ENTER YES if your chamber is setup for 2 tank LN BLOWER COOL Only applies to EC1xHA chambers Ver 3 23 amp up and is intended to be used on EC1xHA chambers that do not have coolant hooked up ENTER YES to enable the automatic cooling of chamber with ambient air when the set pointis gt 25 C and the chamer temperature exceeds the set pointby 1 Deg C Expectorant cooling will occur as usual as long as the cool enable is ON See AB
148. which the temperature is maintained in the chamber This feature may conserve coolant valve wear when long soak durations are applicable and larger deviations are permissible by increasing the PWM time period For normal operation the PWM rate should be set atthe minimum rate of 2 seconds as shipped PIDHz n nn n nn n nn Set Heat PID coefficients D PIDH Examine Heat PID coefficients PIDCz n nn n nn n nn Set Cool PID coefficients D PIDC Examine Cool PID coefficients PWMP nn Set PWM period 2 to 30seconds PWMP Examine present PWMP value PIDA Examine advanced PID setting PIDA n mmm m Set advanced PID mode LOCAL PROGRAM COMMANDS The Model EC1x provides commands to control the flow of local programs which permit automatic test operation by the chamber Up to 10 programs may be into the Model EC1x either from the local control panel or from either the GPIB or RS232 422 interfaces Programs may call other programs as subroutines with the GOSUBn instruction The Model EC1x provides 10 global integer variables designated by the letter I The variable may be used in FOR In NEXT In statements for multiple pass loops the variable may be used in IN and OUT instructions for EC1x ver 0712 Pg 39 communication with Model EC1x I O interfaces and it may be used in arithmetic expressions con taining additions and subtractions The END instruction designates the end of a local program subroutine The red E
149. xamine wait setting 00 09 30 controller response 9 min 30 sec remaining EC1x ver 0712 Pg 105 SECTION 6 EC1X OPTIONS POWER OPTIONS The EC1x is intended to operate from a variety of power sources Options allow for line voltages to meet domestic and foreign requirements The EC1x chambers are configured by the manufacturer and may not be reconfigured Input Voltage 95 125 Vac 3 Wire 50 60 Hz Single Phase Model EC1A EC10 EC12 Plug Hubbel 5266 C 5266 C 5366 C Receptacle European Fuse Receptacles Sun Part Hubbel 5261 5261 5361 3pin IEC309 16amp 100 250Vac 3pin IEC309 16amp 100 250Vac IEC309 16amp 100 250 Vac 650011 650011 650012 95 125Vac not available on Models EC11A EC11 EC13 EC13HA EC1 3W EC15HA EC16 amp EC16HA 200 240 Vac 3 Wire 50 60 Hz Single Phase 200 240 Vac 4 Wire 50 60 Hz Single Phase FUSE 650009 650011 650012 650013 Pg 106 EC1A EC10 EC11A EC11 EC12 EC13 EC13HA EC1 3W EC15HA EC16 EC16HA EC1A EC10 EC11 EC12 EC13 EC13HA EC1 3W EC15HA EC16 EC16HA 5666 C 5666 C 2321 2321 5666 C 5666 C 2621 5666 C 2621 2621 2621 2411 2411 2411 2411 2411 2711 2411 2711 2711 2711 5661 5661 2320 2320 5661 5661 2620A 5661 2620A 2620A 2620A 2410 2410 2410 2410 2410 2710A 2410 2710A 2710A 2710A FUSE TYPE amp RATING 3 pin IEC309 32 amp 100 250Vac pin IEC309 32 amp 100
150. xample CON Enable chamber cooling operation Pg 72 EC1x ver 0712 CSET Function Examine the present control value Syntax CSET Description The CSET command allows for examining the present temperature that the controller is attempting to control to During ramping this value is alternately displayed with the USER probe temperature on LINE2 of the front panel LCD display Restrictions None Also UCHAN Example assumes scale in degrees RATE 10 define temperature segment RATE 10 C min WAIT 30 30 min TEMP examine present temperature 25 0 controller response 25 0 C 5 35 0 setnew final temperature 35 0 wait 30 seconds CSET examine present ramp target temperature 30 0 controller response 30 0 C DELL Function Delete current line during local program edit Syntax DELL Description The delete line DELL command allows for deleting program lines during local program editing on the front panel keyboard The line currently displayed will be deleted when the DELL command is ENTERed Restrictions Local front panel command only See Also DELP Example EDIT 2 edit local program 2 GOSUB 0 controller response first line of LP DOWN ARROW use up down arrows for scrolling LP 1 controller response DELL delete breakpoint command GOSUB 5 controller response next line of program EC1x ver 0712 Pg 73 DELP Function Delete or clear local program Syntax D
151. y of the last command received The second line will be either a pointer to the error or an explanation of the error If there was no error in the last command received the controller will respond with a two line OK message CONTROL PANEL OPERATORS To permit easy command entry and local program generation the following operators on the local control panel permit command entry command cancellation menu decisions single command line editing during STOP mode and program editing during EDIT mode UP DOWN ARROWS Line editing during Local Program editing DELL Delete current program line DELPn Delete local program number LEFT ARROW Character backspace during command entry CANCEL Cancels present command entry ENTER ENTERs command into Model EC1x controller or inserts aline into the local program YES Operators for SDEF SINT and CAL menus EC1x ver 0712 Pg 35 PARAMETER ENTRY Parameters are used for numeric data entry delimiters and function operators in command lines 0 9 _ Numeric data depicted as nnn n in following sections Numeric delimiter E Exponent for scientific notation Set variable left side equal to value right side Examine variable left side RS232 422 SERIAL PORT PROTOCOLS The serial port s operation depends on whether CMD ERROR INT S are enabled or dis abled in the SINT menu If command error interrupts are disabled no indication to the host com puter communicatin
152. y optional For best results a temperature segment should be ENTERed as RATE WAIT then SET Restrictions The value set by the SET command must range between the values set for the LTL and UTL commands See Also Example Pg 96 RATE WAIT LTL UTL If SCALE for the chamber probe is in RATE 10 0 WAIT 5 TEMP 25 0 SET 95 0 F SET 35 0 TEMP 30 0 set ramping rate for 10 0 C minute set wait 5 minutes read present chamber temperature controller response for example 25 0 C set new setpoint for example 95 F 35 C examine present set temp controller response after waiting 30 seconds read present chamber temperature controller response up 5 C in one half minute EC1x ver 0712 SINT Function Syntax Set or examine the set interrupt parameters 5 Sets SINT parameters SINT where xis Y or N character where nis a digit from 0 to 8 Examines the SINT parameters by returning an 11 character string where position remote serial RS port interrupts off Y single timeout interrupt enabled Y deviation interrupt enabled Y Local Program LP timeout interrupt enabled Y Local Program LP done interrupt enabled Y buzz single timeout Y buzz Local Program LP done Y buzz Local Program LP timeout Y command error interrupt enabled 10 Y BKPNT interrupt enabled 11 Oznoparallel poll or bit 1 to 8 9 oor DIE ID TS Note When ente

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