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tc01 user manual - Sun Electronic Systems

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1. 7 t2 2UPS SHIPMENTS F T 2TCOLSPECIPICATIONS ee ee en see ss 8 PFABPEB SEL m a AA 8 I A SAFETY CONSIDERATIONS ae s 9 147 OPERATION dae ivan Raa eae eee 9 TEL INSTALLATION a cd bs Ba se bo ea tle et dte etes tte 9 1 5 CONTROLLERS COVERED BY THIS 9 126 TCO DESCRIPTION NE 10 DESCRIPTION 10 1 6 2 BLOCK DIAGRAM DESCRIPTION a n n u 10 1 63 FATIESAFE FEATURES 11 1 7 OPTIONS se S NI Sa 13 1 7 1 220 VOLT 50 60 HZ OPERATION 0 0 098 8 n 13 127 2 PROBE YPES S U PP ORTE D L be ew 13 1 7 3 TIME SET IN HOURS OPTION 07 13 1 5 REPAIR Da ea t ep OE T 3 1 9 RETURN OF MERCHANDISE 13 SECTION INSTALLATION PRELIMINARY CHECKOUT 15 2 CONNECTOR DETA iis basa a Ta ae Se Seen 15 2 ZINSTALLATION INSTRUCTIONS
2. 63 FIGURE 1 TC01 BLOCK DIAGRAMI 64 FIGURE 3 PROCESS VO CONNECTIONS 65 FIGURE 4 TC01 FRONT PANEL 66 FIGURE 5 FRONT PANEL CUTOUT A 67 FIGURE 6 REMOTE I O CUTOUI A 68 FIGURE 7 REMOTE amp ADDRESS SWITCH 69 FIGURE 8 TC01 F CONTROLLER REAR VIEW 70 FIGURE 9 TC01 F CPU BOAR 71 FIGURE 10 TC01 F POWER SUPPLY BOAR 72 FIGURE 11 TC01 F HEAT TRIAC 73 FIGURE 12 TC01 REV A E AND REV COMPARISON 74 1 Manual Ver 0707 SECTION I GENERAL INFORMATION 1 1 INTRODUCTION CONGRATULATIONS O
3. TEMPERATURE PROBE CUS TEM GATE Eins ARRAY GPIB LOGIC KEYBOARD KEYB ARD INTERFACE LED INT ERFACE LED DISPLAY FIGURE 1 TCOI BLOCK DIAGRAM 1 Manual Ver 0707 FIGURE3 PROCESS CONNECTIONS 39 n 3TO21 2UI SH31SAS 2 0 12313 NAS YSTIOULNOD TOOL 3 019 QONUIS 804 NI INIT SNOILDANNOS O T 5535944 1051 aynord 007 lt 21 3UN1VUFAW3L HOTH 19 AUT38 N3dO 9NINIM 34044 3unlUHM3dW3i Q Z 71009 NUJ AJAWYKO 3319333831 OL NOIJOSNNOO X35SN TVYJIdALl NI iOH 3017 ON P NI TP 604 MBIA 901 D 193 MSS ST lt 275 ZA ZS 71602 N3WNOdJSNUMNL INIT AINO NI OZT OOT U 2 2 94908 lt 5 M30U3H MANOS N3349 593 8 TIUWS INdNI NIXNY 1 1 exny ingino TXAY ANANI 34057193 65 TC01 F Manual Ver 0707 66 FIGURE 4 TC01 FRONT PANEL DIGITAL TEMPERATURE CONTROLLER TEMP TIME SCAN TEMP SCAN TIME TCO1 F Manual Ver 0707 FIGURE5 FRONT PANEL CUTOUT 4 188 10 64 CUTOUT 8 313 21 12 DEPTH REQUIRED IN BACK OF PANEL 3 9 9 91 SCALE APPROX 1 1 DIMENSIONS INCHES CEN
4. nn nsn 44 3 4 3 GPIB COMMANDS 47 3 4 4 GPIB COMMANDS SPECIAL 50 3 4 5 INDICATIONS 2 0000200000000 00 0000000 53 3 5 REMOTE ADDRESS SELECT SWITCH 55 TABER32 er eter tree aa et taie rd och ee eor Nee 55 PADEB 5050 er pp 56 TABER34 57 SECTION IV USER ADJUSTMENTS MODIFICATIONS OL TC01 F Manual Ver 0707 3 IINTROBUETION 4 i ettet rem Et ee 61 4 2 TEMPERATURE TRANSDUCER CALIBRATION 61 HPROBECAEIBRATIDN em terit de 61 4 3 RS232 BAUDRATECHANCGE Mu Brand 61 4 4 COOLING LOGIC SENSEINVERSION cette ttt ttt ttt ttt ttt ttt G 4 5 FAILSAFELOGIC SENSE INVERSION eret ttt So a ttt ttt ttt 62 SECTION V REPAIR PARTS REPLACEMENT A 63 5 1 PARTS REPLACEMENT POLICY IE EL PE 6 SO OUT OF WARRANTY REPAIR nee nee 6 SECTION ERROR CODES
5. 1 Manual Ver 0707 SECTION INSTALLATION PRELIMINARY CHECKOUT This section provides reference for installation of the stand alone version For those who have purchased achamber TCO1 combination itis only necessary tosupply the proper AC line voltage to the chamber TCO1 combination as given onthe chamber data plate on its rear panel 2 1 CONNECTOR DETAIL The 01 contains several cables that are used for I O This section serves as a reference for proper connection to the various male female connectors on thecontroller Cable A 26 conductor flat cable serves as interconnect for RS232 and GPIB I O Oneend connects to the TCO1 CPU board board with LED display and the other to asmall PC board that has RS232 and GPIB connectors mounted to it the remote board Temperature Probe The uses a4 pin screw terminal to connect the temperature probe The header is located at the bottom of the CPU board board with LED display The connector is polarized and can easily be mated in only one way See figure 3 for probe wiring Auxiliary Outputs Inputs for stand alone controller The TCO1 provides 2 TTL level outputs AUX1 and AUX that the user may control It also has one TTL level input AUXIN that the user can read Lastly a failsafe TTL level input is provided All of these signals are available on a 8 position small green screw header located at the top of the power supply board board with line transformer See fi
6. g mm n a IEEE 488 HEX 00 41 42 43 44 45 46 47 4F 59 60 1 Manual Ver 0707 SECTION IV USER ADJUSTMENTS MODIFICATIONS 4 1 INTRODUCTION User adjustments are limited to calibration of the temperature transducer adjustment of the baud rate of the RS232 C interface modification of thefailsafe polarity polarity of thecooling sense output and selection of 110 or 220 volt operation The temperature probe type and minutes hours time units is covered in RS232 and GPIB command section see INIT command 4 2 TEMPERATURE TRANSDUCER CALIBRATION Calibration for the TCO1 is accomplished by adjusting two calibration pots one for 0 degree centigrade calibration point and one for a 100 degreecentigrade calibration point The calibration pots are below the keyboard Two panhead screws are installed in the calibration holes to protect the pots As one looks at the front panel the 0 degree calibration potis accessedthrough the hole on the right while the 100 degree pot is accessed through the left hole A small bladed screwdriver will be needed for the adjustment 4 2 1 PROBE CALIBRATION The controller is calibrated by adjusting the 0 degree pot for a 0 degree reading on the TCO1 display with the probe held at a 0 degrees centigrade Similarly the 100 degree potis adjusted fora 100 degree reading with the probe held at 100 degrees centigrade The calibration procedure can be accomplis
7. 2 can drive 100 to 240 VAC 2 AMP load The switched line hot output pos 7 provides the linevoltage that is on position 6 when the TCO1 power switch in on The total loadcurrent used by the cool output and the switched line output should not exceed4 AMP To boost the switched line output current capability you can add a relay that is controlled by the TCO1 switched line output COOLOUTPUT SENSE The sense of the cool output as shipped from the factory is such that when cooling is required the cool output will provide line hot on position 2 of the pos screw terminal If an inversion is required by your system when cooling is required the cool output at pos 2 needs to be off then the COOLPOL jumper on the CPU board board with LED display must be jumpered The jumperis located below the uP socket LINE VOLTAGESELECTION The TCO1 was designed to operate with 100 120 VAC or 200 240 VAC line power There 3 solder jumpers located on the power supply board top board withline transformer that are used to set the TCO1 line voltage For 110 VAC operation solder in wire jumpers in J2 amp J3 and remove jumper from J1 For 220 VAC operation solder in a wire jumper in J1 and J2 amp J3 must be open AUXILIARY I O The TCO1 provides 2 TTL open collector auxiliary outputs AUX 1 is by default used to turn on off the compressor if required One auxiliary TTLlevel input with integral pullup to 5 anda TTL level failsafe input
8. Secondly a continuous tone is emitted from atransducer located on the TCO1 power supply board The LED and audio indication will continue untila TIME or TEMP key is pressed Alternately the controllermay be RESET by depressing the clear key Note that when RESET all SCANtemps and times are cleared and the Single Temp mode is entered See 3 2 3 SCAN MODE The TCO1 Scan Mode allows a maximum of 10 segments 0 through 9 to be programmed through the keyboard Each segmentis described by a Temperature anda Soak Time time at temperature One minute before any particular Soak Timeis compete an audible indication will start and continue for the remaining oneminute This time out is distinguished from the single temp mode time outmentioned above in that the sound is ON for 1 second and OFF for 1 second At the end of the 1 minute on off period the audible indication is automatically turned OFF The TCO1 then moved on to the next Scan segment This one minute warning can be used to alert an operator to start taking data or measurements during the final minute of the programmed soak time If anumber of cycles have been programmed the above sequence is repeated for each cycle At the end of the last soak time of the last cycle a continuous tome is emitted until a TIME or TEMP key is pressed Alternately the controller can beRESET by depressing C clear on keyboard Note that when RESET all SCANtemps and ti
9. 0 or gt 1999 is ignored and no action is initiated by the controller B A time between 1800 and 1999 sets the time to infinity C Bm will delete scan temperature and time m D Scan times can be assigned in any order They along with their corresponding Scan Temp will be executed in ascending order E Time is interpreted as minutes unless the HR option is installed whereby time is interpreted as hours TCO1 F Manual Ver 0707 3 to SET the number of CYCLES for the SCAN MODE n n n B where a lt n n n lt 180 A An input gt 1800 ans lt 1999 sets the number of cycles to infinity B The number of cycles that have been set can only be displayedbefore the Scan sequence has begun see 7 below or once the Scan sequence has started by stopping the scan sequence and executing command 7 below See command 12 of this section 4 toSET the DEVIATION LIMIT and ENABLE DEVIATION INTERRUPTS EDIn n n n where 0 lt n n n n lt UTL A The allowed temperature deviation before generating a deviationinterrupt is the set value around the target chamber set temperature B The deviation checking is automatically disabled duringtransitions between chamber temperature set points and begins once the chamber temperature is within the devia tion limits os the set temperature C The deviation limit will be checked each time a new heat coolperiod is calculated once every 2 seconds default 5 to READ a SCAN TE
10. 16 2 3 PRELIMINARY CHECKOUT L n a Eee ane dc eue aUi E 17 SECTIONTIE OPERATION 3 IFRONT PANEL CONTROES STATUS cds sic eee fe e es oet ar Bin 19 3 2 a estis sse s sense entre tete 20 3 2 1 KEYBOARD COMMANDS SINGLE TEMPERATURE 20 3 2 2 KEYBOARD COMMANDS SCAN 21 3 2 3 KEYBOARD COMMANDS 0 24 3 2 4 TIME OUT INDICATIONS 25 3 3RS232 C REMOTECONTR OL eerte eet t eterne 26 3 3 1 RS232 COMMANDS SINGLETEMPERATURE 26 3 32 RS232COMMANDS SCAN MODE 4 inesse ren exact pete eo eee ete 29 3 3 3 RS232 COMMANDS CONTROL GROUP 33 3 34 RS232 SPECTAT GROUP 37 3 3 5 TIME OUT PROBLEM INDICATIONS enin nane e 39 TABLE 3 1 RS232 C CONTACTASSIGNMENTS amp WIRING DIAGRAM teen enne 41 3 4 TEEE 488 REMOTE 42 3 4 1 GPIB COMMANDS SINGLE TEMPERATURE 42 3 4 2 GPIB COMMANDS SCAN
11. COMPUTER EXAMPLES PRINT 1 OFF or PRINT 1 A 13 to DISABLE THE AUXILIARY 1 OUTPUT OUTIOFF See discussion in this section at command 6 B TERMINALEXAMPLES OUTIOFF disables Aux 1 output C COMPUTEREXAMPLES PRINT 1 OUT1OFF or PRINT 1 A 14 to DISABLE the AUXILIARY 2 OUTPUT OUT2OFF A TERMINALEXAMPLE OUT2OFF disables Aux 2 output B COMPUTER EXAMPLE PRINT 1 OUT2OFF or PRINT 1 A 15 to DISABLE SCAN MODE INTERRUPTS DSI A See discussion at command 8 Enable Cycle Interrupts B TERMINALEXAMPLE DSI disables Scan Mode Interrupts C COMPUTER EXAMPLE PRINT 1 DST orPRINT 1 A 16 to DISABLE the DEVIATION INTERRUPT DDI A See discussion at Section 3 3 2 4 B TERMINALEXAMPLE DDI disables deviation interrupts C COMPUTEREXAMPLE PRINT 1 DDI or PRINT 1 A TCO1 F Manual Ver 0707 3 3 4 RS232 SPECIAL GROUP 1 PID COEFFICIENT CHANGE Modification of the PID coefficients used the algorithm is not generally recommended for the casual user The standard 01 PID coefficients have been chosen to provide a good compromisebetween fast settling time and good overshoot characteristics However for those who wish to optimize the transient or steady state response for their particular application an application note part 680008 has been written to assist in the PID coefficientchanges See our web home page at www sunelectronics com The controller calculates
12. TIME OUT INDICATIONS SCAN MODE Time out bus and port indications may ENABLED or DISABLED per commands in3 3 3 The default condition is that Time Out Indications are DISABLED Audio buzzer and visual LED indicators are always enabled and may never be disabled The TC01 SCAN mode allows a maximum of 10 segments to be programmed through theRS232 port Each 1 Manual Ver 0707 39 segmentis described by a temperature and soak time time at temperature Additionally the scan mode sequence chosen by the usercan be programmed to be automatically repeated any number of times up to atotal of 1800 cycles Thus we may define several types of time outs that would be useful to the user The first to consider is a time out indication at the end of each soak timepoint within the temperature scan sequence Another type would be a time outsignifying completion of the last soak time in a scan sequence Since the scan sequence can be cycled yet another time out indication would be to alert that all cycles programmed have been completed The TCO1 outputs three different ASCII characters for each of the threedistinct time outs assuming time out indications are ENABLED The table below describes said characters The characters are sent out 1 minute beforecompletion of time out TIME OUT TYPE ASCIICHARACTER SENT SOAK TIME COMPLETE P CYCLE LOOP COMPLETED L END OF TOTAL RUN E PROBLEMINDICATORS Three problem indic
13. summarizes keystroke entry for the various functions supported by the TCO1 With TABLE 3 4 as a reference input the following sequences and note the controller response KEYSTROKE CONTROLLER RESPONSE C Rest Controller Clear the GPIB address is displayed for a few seconds Time is set to Infinity 1999 Temp is set to 25c 50 TEMP Set Chamber to 50c 5 TIME Set Time at Temp 5 minutes Atthis point Heat will be enabled and chamber temperature will rise At anytime TEMP or TIME keys can be depressed to give status TEMP Chamber SET Temp Displayed TIME Remaining Time at 50c C Reset Controller Clear stop controlling temperature display GPIB address Time Infinity Temp 25c In 5 minutes after reaching the set temp the controller will Time Out and sound the audible alarm Depress C to clear the controller back to time Infinity and Temp 25c If the controller is operating properly continue on to Section OPERATION for more detailed information TCO1 FManual Ver 0707 17 18 1 Manual Ver 0707 SECTION OPERATION 3 1 FRONT PANEL CONTROLS STATUS The Heat switch and Cool switch are located on either side ofthe main power switch The function of the Heat Cool switch is to disable application of power to the heaters cooling solenoid when in the off position The TCO1 microprocessor system continues to make heat or cool decisions independent of the switch settings but ac
14. thermistors etc in an automated setup One way to accomplishthis would be to build the necessary switch ing circuitry with anRS232 interface Then the GPIB System Controller would direct theproper switching sequence via controller Similarly command 2 below could be used to ascertain status information from the switching circuitry 2 TO INPUT CHARACTER STRING FROM RS232 INTERFACE TO IEEE 488 SYSTEM CONTROLLER 5 Sample 9825 command wrt703 S red703 R System controller reads a line of characters that are sent tothe TCO1 via the RS232 port A carriage return or line feed terminates the sequence 50 TCO1 F Manual Ver 0707 3 PID COEFFICIENT CHANGE Modification if the PID coefficients used in the algorithm is not generally recommended for the casual user The standard 01 PID coefficients have been chosen to provide a good compromise between fast settling time and good overshoot characteristics However for those who wish to optimize the transient or steady state response for their particular application an application note part 680008 has been written to assist in the PID coefficient changes See our home page at www sunelectronics com to download the ap note The TCO1 controller calculates the amount of heating or cooling required to maintain the chamber temperature at the set temperature using a 3 mode proportional integral derivative servo equation There is a weighing coefficient for e
15. B where 1 lt n n n n lt 1999 A An input gt 1800 and lt 1999 sets the number of cycles to infinity B The number of cycles that have been set can only be displayed before the Scan sequence has started see 7 below or once the scan sequence has been started by stopping the scan sequence and executing command 7 below See command 12 this section C TERMINALEXAMPLES 124B sets the number of cycles to 124 D COMPUTER EXAMPLES PRINT 1 125B or PRINT 1 X B 4 to SET the DEVIATION LIMIT and ENABLE DEVIATION INTERRUPTS EDIn n n n where 0 lt n n n n lt UTL A The allowed temperature deviation before generating adeviation interrupt is the set value around the target chamber set temperature B The deviation checking is automatically disabled duringtransitions between chamber temperature set points and begins once the chamber temperature is within the devia tion limits of the set temperature C The deviation limit will be checking each time a new heat cool period is calculated once every 2 seconds default D TERMINALEXAMPLES EDI5 3 enables interrupt and sets limit to 5 3 C E COMPUTER EXAMPLES PRINT 1 EDI5 3 or PRINT 1 EDT X 1 Manual Ver 0707 5 to READ a SCAN TEMPERATURE Am where 0 lt m lt 9 A The resolution of the temperature measurement of the interface is 1 deg The LED display will only display to 1 degree up to 199 9 deg At temperatures gt 20
16. chambers At power up the sets a status bit that instructs it to use the AUX 1 output for compressor control The TCO1 will automatically turn the compressor ON when one of the following conditions is met 1 When the SET temperature lt 40 deg C and heat cool outputs enabled 2 When the isin the scan mode and the next scan settemperature is less than the current scan set temp and the timeremaining at the current is lt 1 minute and heat cool outputs enabled 3 Whenever cooling is required and has been required for minute regardless of the current set temperature value and heat cool outputs enabled 4 If anew set temp lt the current set temp in the single temp mode B The TCO1 will automatically turn the compressor OFF when 1 The SET temperature gt 40 deg C and cooling has not been requiredfor a period of 1 minute and not in the last minute of a scan temp point 2 The has received an OFF command or whenever the heat cooloutputs are disabled The TCO1 will always perform the above automatic compressor controlunless it receives an OUTION or an OUTIOFF command Once itreceives either the automatic compressor control is disabled until the is RESET Once disabled the user can enable or disable this output via OUTION or OUTIOFP at will to control whateverexternal event desired including any compressor The auxiliary outputconsists of an open collector output plus a5
17. delay After securing an RMA number from the Customer Service Department return thespecified controller to Sun Electronic Systems freight prepaid at the addressbelow NOTE The RMA number must be plainly marked and visible on your shipping label to insure proper routing at Sun s Receiving Department Customer Service Department Sun Electronic Systems Inc 1900 Shepard Drive Titusville FL 32780 The Customer Service Department can give you an estimate ofthe time it should take to process and repair your controller Turn around time for repair varies depending on workloads and parts availability but normally your controller will be repaired and returned to you within 2 working days ofreceipt Be sure a declared value equal to the price of the unit is shown on the Bill of Lading Express Receipt or Air Freight Bill whichever is applicable Risk ofloss or damage to Sun equipment during the time it is in transit either to orfrom Sun s facilities is your sole responsibility A declared value must beplaced on your Bill of Lading to insure substantiation of your freight claim if shipping damage or loss is incurred equipment returned to Sun Electronic Systems must be freight prepaid Equipment not prepaid on arrival at Sun s Receiving Department cannot beaccepted Upon repair to the defective equipment it will be returned to you F O B the factory in Titusville FL via UPS or equivalent groundtransportation unless you specify otherwise
18. noted as a sequence of numbers and words that define each entry n n n TEMP means press 1 2 or 3 numeric keys then press the TEMP key SCAN TEMP m means press the key marked SCAN TEMP followed by anumericentry BOLD type in examples indicate keystrokes 3 2 1 KEYBOARD COMMANDS SINGLETEMPERATURE MODE See Command Summary TABLE 3 4 1 to SET the CHAMBER TEMPERATURE n n n TEMP where 100 lt n n n lt UTL Ifthe controller was in the scan mode before this command the scan mode is terminated and the single tempmode is initiated B UTLis the user settable limit temperature UTL can only be set lt PLIMIT PLIMIT is the highest temperature allowed or 315 deg C C Fractional temperatures can be entered using the key as a decimal point once a digit has been entered D Setting the temperature enables the heat and cool outputs with heat cool switch override A temperature lt 100 or gt UTL is ignored and no action will be initiated by the controller F EXAMPLES 50 TEMP sets the chamber to 50 deg C 38 5 TEMP sets the chamber to 38 5 deg C 108 TEMP is ignored TCO1 F Manual Ver 0707 2 toSET TIME AT TEMPERATURE Soak Time n n n n TIME where 0 lt n n n n lt 1999 A A time lt 0 or gt 1999 is ignored and no action is taken by the controller B A time gt 1800 and lt 1999 sets the time to infinity C Time is interpreted as minutes unless t
19. the amount of heating or cooling required to maintain the chamber temperature at the set temperature using a 3 mode proportional integral derivative servo equation There is a weighing coefficient for each of the threecomponents of the control equation At power up the reads the default PID coefficients from its EEPROM memory and will use these coefficients unless they are changed by the user using this command Once changed the 01 will continue to use the new coefficient until changed by another command or until the TCO1 is powered off Therefore if other than the default coefficients are to be used they must be set each time the TCO1 is powered new command INIT has been added to allow permanent changes to be made by the user to SET PID WEIGHING COEFFICIENTS PID n n n where 0 lt n lt 9 A The above values of n are interpreted as exponents of 2 Therefore each multiplier has range of 2 9 to 24 9 B The first value is the proportional coefficient multiplier The second value is the integral coefficient multiplier The third value is the derivative coefficient multiplier C TERMINAL EXAMPLE PID 0 3 4 sets the proportional coefficient to one since 2 0 1 sets the integral coefficient to 2 3 125 sets the derivative coefficient to 2 4 16 D COMPUTER EXAMPLE PRINT 1 PID 0 3 4 PRINT 1 DPID2X Y Z to READthe CURRENT PID COEFFICIENTS P
20. the power line to reduce electrical noise The temperature measurement circuitry provides the necessary interface to scale the output of the temperature probe and to convert its analog output to a digital number which can be used by the 10 TCO1 F Manual Ver 0707 microprocessor in its control program The chamber temperature is always measured with a resolution of 0 1 deg C The keyboard logic provides the interface to the 16 key keyboard The actualencoding is performed by the microprocessor The display logic interfaces the microprocessor to the LED displays Thedisplays consist of a 3 1 2 digit seven segment display which normally displays the chamber temperature and can be instructed to display the remaining time at temperature the current set temperature any of the 10 scan temperatures or scan times etc There are also five LED indicators that showwhether or not the chamber requires heating or cooling the controller has been set to the remote mode the chamber temperature is currently being displayed and if the time at temperature has expired An audio indication isalso generated when a timeout occurs Below 200 the display resolution is 1 C Above 200 the display resolution is deg C The asynchronous serial interface provides a remote RS232 C interface to thecontroller in order to allow remote control in almost any digital system The IEEE 488 GPIB interface allows remote control via the IEEE 488 standard bus Due to it
21. volt 270 ohm currentsource which can be used to drive opto coupler circuits See Figure 3B for the auxiliary output interface 34 TCO1 F Manual Ver 0707 TERMINALEXAMPLES OUTION enables Aux 1 output D COMPUTEREXAMPLES PRINT 1 OUT1ON or PRINT 1 A 7 to ENABLE the AUXILIARY 2 OUTPUT OUT20N A This auxiliary output is not used by any TCO1 internal function The default condition is off B TERMINALEXAMPLES OUT20N enables Aux 2 output C COMPUTER EXAMPLES PRINT 1 OUT2ON or PRINT 1 A 8 t0ENABLESCAN MODEINTERRUPTS ESI A While the RS232 port does not experience or deliver interrupts as such this com mand allows the to output the various characters that signify end of soak times as discussed in Section 3 3 5 B TERMINALEXAMPLES ESI enables Scan Mode Interrupts C COMPUTER EXAMPLES PRINT 1 EST or PRINT 1 A 9 to ENABLE DEVIATION INTERRUPTS See section 3 3 2 4 10 to DISABLELOCAL KEYBOARD CONTROL There is no command to disable local control from the RS232 port See IEEE 488 command on local lockout 11 to DISABLE RS232 ECHO R A Note that this is aresetcommand which will also reset most other controller parameters See COMMAND 1 of the section B TERMINALEXAMPLES R will disable Echo and Reset TCO1 COMPUTEREXAMPLES PRINT 1 R or PRINT 1 A TCO1 FManual Ver 0707 35 12 to DISABLE the HEAT and COOL OUTPUTS OFF A TERMINALEXAMPLES OFF disables Heat Cool outputs B
22. with integral pull up All 4 signals are provided to a small 8 position screw headerthat is located at the top right side of the power supply board Figure 3provides the pin connection information The failsafe input provides for anexternal input that will cause the TCO1 to turn off its heat and cool outputs The active polarity of the failsafe input in by default low level and can be changed to high level active state by jumpering the FS POLjumper on the CPU board with LED display board NOTE while the failsafe input causes the TCOI to turn off its outputs the users failsafe circuitry must provide for an independent interruption ofthe heater circuit to protect against TCO heat triac failure in the oncondition Triac failure is very rare but still possible The same is true for cooling if it poses a potential hazard MOUNTING THECONTROLLER To mechanically mount the TCO1 controller into your system you may need tocut panel openings for the controller and the remote I O assembly Figure 5 and6 provide cutout dimensions TCO1 F Manual Ver 0707 2 3 PRELIMINARY CHECKOUT The following procedure allows checking basic control function of the TCO1 Data entry is via the 16 key keyboard At this time refer to the TC01 commandsummary TABLE 3 4 Enable the Heat and Cool toggle switches to the ON position Apply power to the system by switching the power switch to the ON position In TABLE 3 4note the column Keyboard DISPLA Y This column
23. 0 deg the display resolution is 1 deg B TERMINALEXAMPLES causes 1 to output Scan Temp 3 C COMPUTER EXAMPLES PRINT 1 A3 outputs command to TCO1 INPUT 1 X reads Scan Temp 3 PRINT 1 B Y INPUT 1 X 6 TOREADTHECURRENTCYCLENUMBER B A 1 will be displayed during the first cycle or loop 2 will be displayed during the second etc The scan willterminate automatically after the cycle where the current cycle number equals the number of cycles to do When the scan mode is termin ated the heat and cool outputs are disabled the set temp is set for 25 deg the time at temperature is set to infinity and the number of cycles to do is set to infinity If the Scan Mode hasn t started or has been stopped see 11 this section then this command displays the original number of cycles set B TERMINALEXAMPLES B reads current cycle number C COMPUTER EXAMPLES PRINT 1 B INPUT 1 X 7 toREADtheCURRENTCHAMBERTEMPERATURE T A The resolution of the temperature measurement of the interface is 1 deg The LED display will only display to 1 deg up to 199 9 deg At temperatures gt 200 deg the display resolution is deg B TERMINALEXAMPLES T causes TCO1 output current Temp C COMPUTER EXAMPLES PRINT 1 T INPUT 1 X TCO1 FManual Ver 0707 31 8 to READ the CURRENT SCAN TEMPERATURE 8 A above B TERMINALEXAMPLES causes to output curre
24. 11 When dumb terminal is used for the RS232 interface any TCO1 output will auto matically be displayed on the terminal When using a computer any TCO1 output must be read through some form of INPUT or READ statement usually a part of an application program written in a language such as BASIC 12 Computer examples are written in BASIC In these BASIC statements the variables X Y and A are assumed to be defined somewhere else in the BASIC program and contain the proper values for desired results The BASIC program statements PRINT 1 and INPUT 1 are assumed to output RS232 data to the TCO1 and input RS232 data from the TCO1 respectively A 3 3 1 RS232 COMMANDS SINGLETEMPERATURE MODE See Command Summary TABLE3 4 1 toSET the CHAMBER TEMPERATURE n n n n Cwhere 100 lt n n n n lt A Ifthe controller was in the scan mode before this command the scan mode is terminated and the single temp mode is initiated UTL is the user settable limit temperature UTL can only beset lt 315 26 TCO1 F Manual Ver 0707 Setting the temperature enables the heat and cool outputs with heat cool switch override D A temperature lt 100 or gt UTL is ignored and no action will be initiated by the controller TERMINAL EXAMPLES 50c sets the chamber to 50 0c 38 2c sets the chamber to 38 2c 108C is ignored COMPUTER EXAMPLES PRINT 1 38 2C or PRINT 1 X C 2 toSET
25. 488 SINGLE TEMP MODE SET Chamber Temp 50 TEMP 50 0 50 0 SET Time at Temp 5 TIME 5M 5M SET Deviation Limit n a EDI10 EDIIO OUTPUT Chamber Temp automatic T T OUTPUT Current Set Temp TEMP C OUTPUT remaining Time at current Temp TIME M M SCAN MODE SET Scan Temp m 50 SCANTEMP 0 50 0A0 50 0A0 SET Scan TIme m 5 SCANTIMEO 5B2 5B2 SET of Cycles 10 SCANTIMEO 10B 10B SET Deviation Limit n a EDI10 OUTPUT Scan Temp SCANTEMP 0 AO AO OUTPUT Scan Time m SCANTIMEO BO BO OUTPUT Current Cycle SCANTIME OUTPUT Chamber Temp automatic T T OUTPUT Current SET Scan Temp TEMP C OUTPUT Current remaining Scan Time TIME M M DELETE Scan Temp SCANTEMP 0 A0 A0 DELETE Scan Time m SCANTIMEO BO 0 START Scan Mode SCANTEMPSCANTIME AB AB STOP Scan Mode SCANTIMESCANTEMP BA BA For the single temperature mode the commands assume a desired temperature of 50 deg and a soak time of 5 minutes A 10 degree deviation limit isrequired For the SCAN mode the commands assume that the first allowed segment m 0 is being set to a temperature of 50 deg C for 5 minutes Additionally 10 cycles of the scan sequence are desired along with a 10 degree deviation alarm Denotes new command feature since last manual update TCO1 FManual Ver 0707 57 FUNCTION KEYBD DISPLA Y CONTROL GROUP Reset Clear ENABLE Local Control n a ENABLERemoteControl n a ENABLE RS232 Echo n a ENABLEHEAT COOL Out H C switches O
26. DB25 Female Pin Pin 2 TxD RxD 3 3 RxD TxD 2 7 GND GND 7 3 4 488 REMOTE CONTROL CONVENTIONS 1 or m refers to any numeric character 0 through 9 2 Items enclosed in parentheses are optional Thus n n n n means that at least one numeric character has to be sent Optionally one or two additional characters to the left of a decimal are allowed and one character after the decimal is allowed 3 The sample 9825 commands assume that the calculator s IEEE 488 interface card is set to select code 7 and that the temperature controller s address has been set to binary 3 Blanks or space char are ignored X and are variables assumed to be defined elsewhere in the controlling program See table 3 2 for IEEE 488 CONTACT ASSIGNMENTS See table 3 3 for IEEE 488 BUS ADDRESS SWITCH SETTINGS The command processor software ignores leading zero s and trailing digits on all numeric data received Forexample 0000025 321000 C will set the signal mode temperature to 25 3 deg oo NDARA 3 41 GPIB COMMANDS SINGLE TEMPERATURE MODE see Command Summary TABLE3 4 1 toSET the CHAMBER TEMPERATURE n n n n C where 100 0 lt n n n n lt UTL A Ifthe controller was in the scan mode before this command thescan mode is terminated and the single temp mode is initiated UTL is the user settable limit temperature UTL can only be set lt PLIMIT PLIMIT is t
27. EMOTE CONTROL See IEEE std 488 1975 A Sample GPIB command rem 703 see your GPIB system documentation for its command B The controller is also set in remote mode whenever it is selectedduring a bus transfer TCO1 FManual Ver 0707 47 4 to ENABLE RS232 ECHO MODE H A The default mode is no echo of characters that come in the RS232 port B This command sets the controller in the echo mode which causesany character put to the RS232 port to be echoed back out the RS232 port C Tore enter the no echo mode the controller must be RESET Note that RESET will clear all SCAN times and temps and the controller will enter the single temp mode See command 1 above 5 to ENABLE the HEAT and COOL OUTPUTS ON A Setting the single mode set temp or starting the scan mode also automatically enables the heat and cool outputs 6 to ENABLE the AUXILIARY 1 OUTPUT OUTION A This auxiliary output is typically used for compressor control in mechanically cooled temperature chambers At power up TCO1 sets a status bit that instructs it to use the AUX 1 output for compressor control The will automatically turn the compressor ON when one of the following conditions is met 1 When the SET temperature lt 40 deg and heat cool outputs enabled 2 When the TCO1 isin the scan mode and the next scan settemperature is less than the current scan set temp and the timeremaining at the current point is 1 min
28. ID A The three multipliers will be sent each followed by CR LF B TERMINAL EXAMPLE PID TC01 F Manual Ver 0707 37 38 COMPUTER EXAMPLE PRINT 1 PID INPUT 1 P INPUT 1 1 INPUT 1 D 2 OUTPUTTHEINSTALLEDOPTIONS OPT The OPT command allows the user to determine the type of unit that he is talking to the type of probe and the units of time that havebeen selected Upon receiving the OPT command the TCO1 will send an ASCII string containing TCO1 probe type time units The substring informs the user that he is talking to a TCO1 The probe type substring provides info on the type of temperature sensor that the is configured for The substring time units will be MIN when minutes selected or HRS for hours time selection 3 OUPUT AUXILIARY INPUT STATE INI A The value returned is O if the inputis a TTL logic low and 1 ifthe inputis a logic high B See figure 3 for the AUXIN wiring C TERMINALEXAMPLE INI causes 01 to output State D COMPUTER EXAMPLE PRINT 1 IN1 or PRINT 1 A 4 to SET UPPER TEMPERATURE LIMIT UTL n n n n UTL where 100 lt n n n n lt PLIMIT A UTL may be setto any value between 100 and PLIMIT inclusive The value of PLIMIT is 315 deg C B UTL is set equal to PLIMIT at power up C TERMINAL EXAMPLE 100 0UTL sets the UTL to 100 0 C D COMPUTER EXAMPLE PRINT 1 UTL or PRINT 1 A 5 INITTCO1 OPERATING MODES INITn p i d M or H C The INIT command al
29. MODELTCO1 STAND ALONE DIGITAL TEMPERA TURE CONTROLLER USERMANUAL 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 productdescribed any license under the patent rights of SUN ELECTRONIC SYSTEMS Inc or others Sun Electronic Systems strives constantly to improve the quality andperformance of all its products in design construction and cost As aconsequence SUN ELECTRONIC SYSTEMS INC reserves the right to changespecifications or installation procedures without notice Any software and programs used in Sun Electronic Systems products remain thesole property of SUN ELECTRONIC SYSTEMS INC and may not be copied by any means Purchase of said product constitutes agreement that software rights remain SUNELECTRONIC SYSTEMS INC Upon purchase Sun Electronic Systems grants perpetual license for use by customer FOURTHEDITION Copyright 1984 to 2000 by SUN ELECTRONIC SYSTEMS INC 0707 TC01 F Manual Ver 0707 1 LIMITED WARRANTY INFORMATION TCO1TEMPERATURECONTROLLERS SUN ELECTRONIC SYSTEMS WARRANTS THIS PRODUCT TO THE ORIGINAL PURCHASER TO BEFREE 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 ITIS USED UNDER NORMAL OPERATING CONDITIONS THIS WAR RAN
30. MPERATURE Am where 0 lt m lt 9 A Theresolution of the temperature measurement of theinterface is 1 deg However the LED display will only display to 1 deg up to 199 9 deg At temperatures gt 200 deg the display resolution is 1 deg 6 to READ a SCAN TIME Bm where 0 lt m lt 9 A Time is interpreted as minutes unless the HRS has been selectedwhereby time is inter preted as hours 7 to READ the CURRENT CYCLE NUMBER B A 1 will be displayed during the first cycle or loop 2 will be displayed during the second etc The scan will terminate automatically after the cycle where the current cycle number equals the number of cycles to do When the scan mode is termin ated the heat and cool outputs are disabled the set temp is set for 25 deg and the time at temperature is set to infinity and the number ofcycles to do is set to infinity TC01 F Manual Ver 0707 45 If the Scan Mode has not started or has been stopped see 12 of this section then this command displays the original number of cycles set 8 to READ the CURRENT CHAMBER TEMPERATURE T A The resolution of the temperature reading read over the bus 15 1 degree centigrade The LED display will only display to 1 deg up to 199 9 deg At temperatures gt 200 the display resolution is deg 9 to READ the CURRENT SCAN TEMPERATURE A See 8 A above 10 toREAD the REMAINING TIME at CURRENT TEMPERATURE M A Time is interpreted a
31. N ENABLE Auxiliary 1 Out ENABLE Auxiliary 2 Out ENABLE Scan Interrupts ENABLE DeviationIn rpt n a DISABLE Local Control n a DISABLE RS232 Echo n a DISABLE Heat CoolOut H C switches OFF DISABLE Auxiliary 1 Out n a DISABLE Auxiliary 2 Out n a DISABLE Scan Interrupts DISABLE DeviationIn rpt SPECIAL TRANSFER GPIB to RS232 n a TRANSFER RS232 to GPIB PID COEFFICIENTS CHANGE n a OUTPUT probe option OUTPUT Aux Input State SET UTL OUTPUT UTL INIT n a n a n a n a n a See Previous page for details See your GPIB System Controller documentation for its commands TABLE 3 4 COMMAND SUMMARY EXAMPLES cont d RS232 R Press Key automatic H ON OUTION OUT20N ESI EDI10 n a R OFF OUTIOFF OUT2OFF DSI DDI n a n a refer to manual OPT INI 180UTL UIL INITn Denotes new command feature since last manual update IEEE 488 R Icl 7 rem703 H ON OUTION OUT2ON ESI EDI10 Ilo 7 R OFF OUTIOFF OUT2OFF DSI DDI Isss 5 INI 180UTL UIL INITn 1 Manual Ver 0707 INTERRUPT CHARACTER Condition No interrupt Single Temp Mode time out Command Error SCAN Temp Point time out SCAN Temp Cycle time out SCAN Temp End of Run DEVIATION Alarm Chamber Temp gt UTL GPIB lock up time out TCO1 FManual Ver 0707 RS232 ASCII n a I CMD ERROR
32. N YOURPURCHASEOFTHETCOI TEMPERATURE CONTROLLER Your new temperature controller was manufactured under stringent quality control procedures to insure trouble free operation for many years If you shouldencounter difficulties with the use or operation of your controller contactSun Electronic Systems customer service department at 321 383 9400 As with all Sun Electronic Systems products we would appreciate any comments that you may have regarding your evaluation and application for this equipment Please address your comments to Sun Electronic Systems Inc 1845 Shepard Drive Titusville FL 32780 Tel 321 383 9400 Fax 321 383 9412 Website www sunelectronics com Email sales sunelectronics com This manual contains user information for TCO1 microprocessorcontrolled temperature controller and is divided into five sections whichprovide information as follows SECTION I GENERAL INFORMATION Contains the TCO1 description and specifications as well as option descriptions SUN markets the TCO1 directly toend users and also through OEM channels SECTION INSTALLATION PRELIMINARY CHECKOUT Contains informationrelative to receiving inspections preparation for use and if installation isrequired how to proceed SECTION OPERATION Contains operating instructions for the TCO1 series SECTIONIV USER ADJUSTMENTS Contains information on adjustments and modifications that may be made in the field SECTION V REPAIR
33. PARTS REPLACEMENT Contains information on repair andwarranty policy TCO1 FManual Ver 0707 5 1 1 1 EARLIER VERSION COMPATIBILITY This latest version of the TCO1 controller presents a significant increase incontroller capability New temperature probe support and performancefeatures provide greater flexibility and greater perfor mance price ratio tothe end user This section will serve to summarize the increased capability for those that have used the earlier versions PROCESS WIRING CHANGES The Line wiring and load connection to the new 1 is the same as far as location and function at the 8 pos screw terminal The fusing of this new has changed See figure 3 for a schematic of the line interface The fusing of this new are The cool output the TCO1 line transformer and the switched line output are now all protected by one fuse In the previous versions there was a fuse for the line transformer a fuse for the cool output and no fusing on the switched line output The only change the user should notice is if your system requires more than 4 amps total from the cool output and the switched line output then you will need to run a line powered relay from the TCO1 switched line output That relay will then provide the high current switched line to your system A new input has been added for a TTL level failsafe input The new failsafe input can be configured for pos neg true level via a jumper on the CPU PC board When t
34. POLICY Field service of TCOI is not always possible due to the type os test equipment required for proper troubleshooting Any problem with the controller should be brought to the attention of Sun systems by telephone Ifthe problemcannotbe fixed by phone Sun Systems will issue an RMA number see paragraph 1 9 to initiate factory repair os the controller 5 2 OUTOFWARRANTY REPAIR Out of warranty repair is supported by Sun Systems by submitting the controller and associated RMA number see paragraph 1 9 for factory repair A minimumrepair charge of one hour labor plus parts will be incurred If parts and or labor exceed the minimum the customer will be contacted and informed of repair changes before proceeding Turn around time for repair varies dependingon work loads and parts availability butnormally a controller will be repairedand returned to the customer within 2 working days of receipt See section 1 9 for details on return of merchandise SECTION VI ERROR CODES E0 FOREGROUND PROGRAM ERROR El PROBEINTERROR 2 ILLEGAL OPCODE FAILSAFE ACTIVE MODE TCO1 FManual Ver 0707 63 FIGURE 1 TC01 BLOCK DIAGRAM CPU BAUD 0 BAUD 1 ROM RAM EEPROM COOLP FS P WATCHDOG TIMER AUXIN BAUD RATE CLOCK HEAT COOL AUXI 2 A D TIMER RS232
35. TIMETERS MOUNTING HOLES 4 N NOTE 6 32 SCREWS Es s NORMALLY USED FOR MOUNTING TCO1 TCO1 FManual Ver 0707 67 FIGURE 6 REMOTE VO CUTOUT 250 635 CUTOUT ee HOLES 4 SCALE APPROX 1 1 APPROX 121 DIMENSIONS NOTE 6 32 SCREWS INCHES CENTIMETERS NORMALLY USED FOR MOUNTING 68 TCO1 F Manual Ver 0707 TCO1 FManual Ver 0707 FIGURE7 REMOTEI O amp ADDRESS SWITCH RS232 LSB 111 MSB IEEE 488 ADDRESS SWITCH IEEE 488 69 70 FIGURE8 TC01 F CONTROLLER REAR VIEW Ras s pe TCO1 F Manual Ver 0707 TCO1 FManual Ver 0707 FIGURE TC01 F CPU BOARD 71 FIGURE 10 TC01 F POWER SUPPLY BOARD atr Ce i 1 Manual Ver 0707 TCO1 FManual Ver 0707 FIGURE 11 1 HEAT TRIAC 73 74 FIGURE 12 TC01 REV A E and REV COMPARISON TCO1 F Manual Ver 0707
36. TY DOES NOT APPLY TOSEALED ASSEMBLIES WHICH HAVE BEEN OPENED OR TO ANY ITEM WHICH HAS BEEN REPAIREDOR ALTERED WITHOUT AUTHORIZATION RISK OF LOSS OR DAMAGE TO PRODUCT SHALL PASS TO THE CUSTOMER UPON DELIVERY B YSUN ELECTRONIC SYSTEMS TO THE CARRIER ATSUN ELECTRONICS YSTEMS PREMISES WE WILL REPAIR OR AT OUR OPTION REPLACE AT NO CHARGE ANY OF OUR PRODUCTS WHICH IN SUN ELECTRONICS YSTEMS JUDGEMENT AREFOUND TO BEDEFECTIVE UNDER THE TERMS OF THIS WARRANTY EXCEPT FOR SUCH REPAIR OR REPLACEMENT WE WILL NOT BE LIABLE FOR LOSS OR DAMAGE TO PERSONS OR PROPERTY CAUSED EITHER DIRECTLY ORINDIRECTLY BY USE OFTHIS PRODUCT OR FOR ANY INCIDENTAL DAMAGES ORFOR ANYCONSEQUENTIAL DAMAGES AS THOSETERMS ARE DEFINED IN SECTION 2 715 OF THEUNIFORM COMMERCIAL CODE BEFORE USING PURCHASER SHALL DETERMINE THESUITABILITY OF THE PRODUCT AND THIS DOCUMENT FOR HIS INTENDED USE AND PURCHASER ASSUMES ALLRISKS AND LIABILITY WHATSOEVER IN CONNECTION THERE WITH NO STATEMENT OR RECOMMENDATION NOT CONTAINED HEREIN SHALLHAVE ANY FORCE OREFFECT UNLESS IN AN AGREEMENT SIGNED OFFICERS OF SUN ELECTRONIC SYSTEMS TCO1 F Manual Ver 0707 Contents SECTION I GENERAL INFORMATION t 5 1 11 uuu ls 6 L2INITAEINSPECTION 5i iQ 1 21
37. ach of the three components of the control equation At power up the reads the default PID coefficients from its EEPROM memory and will use these coefficientsunless they are changed by the user using this com mand Once changed the TCO1 will continue to use the new coefficients until changed by another command or until the is powered off Therefore if anothercommand or default coefficients are to be used they must be set each time the TC01 is powered on new INIT command has been added to allow the user to permanently change the PID coefficients to SETPID WEIGHING COEFFICIENTS PID2 n n n where 0 n 9 A The above values of are interpreted as exponents of 2 Therefore each multiplier has a range of 2 9 to 2 4 9 B The first value is the proportional coefficient multiplier The second value is the integral coefficient multiplier The third value is the derivative coefficient multiplier to READ the CURRENT PID COEFFICIENTS PID A The three multipliers will be sent each followed by CR LF 4 OUTPUT THE INSTALLED OPTIONS OPT The OPT command allows the user to determine the type of unit that he is talking to the type of probe and the units of time that have been selected Upon receiving the OPT command the TCO1 will send an ASCII string containing TCO1 probe type time units The substring informs the user that he is talking to a 01 The probe type substring provide
38. ators have been incorporated into the TCO1 PROBLEM TYPE ASCITCHARACTER SENT Deviation Limit Exceeded D when enabled Chamber Temp Exceeds UTL O automatically disables heat cool Command Error CMD ERROR 40 TCO1 F Manual Ver 0707 TABLE 3 1 RS232 C CONTACT ASSIGNMENTS amp WIRING DIAGRAM CONTACT SIGNAL LINE 1 1 GROUND 2 i TRANSMIT DATA 3 RECEIVE DATA 7 5 SIGNAL GROUND 20 DATA TERMINAL READY To communicate over the RS232 bus a cable constructed with male DB25 connector on the con troller and a female DB9 connector on PC end and wired as follows is required TC01 CONTROLLER DB25 Male COMPUTER DB9 Female Pin Pin 2 TxD RxD 2 3 RxD TxD 3 7 GND GND 5 For TC01 Controllers with serial number C1508 or later use the following settings to communi cate through Windows Connect using desired COM port Bits per second 9600 Data bits 8 Parity NONE Stop bits 1 Flow Control NONE CAPS LOCK ON FOR TCOI Note Ifyou are running Windows and operating TC01 Controller with a serial number prior to C1508 you will need to use the following settings Connect using desired COM port Bits per second 2400 Data bits 8 Parity NONE Stop bits 1 Flow Control NONE CAPS LOCK ON FOR TCO1 TC01 F Manual Ver 0707 Al 42 If your computer is using aDB25 Male connector instead of the DB9 the wiring connections are as fol lows TC01 CONTROLLER DB25 Male COMPUTER
39. ature set of the interface is 1 deg The LED display will only display to 1 degree up to 199 9 deg At temperatures gt 200 deg the display resolution is 1 deg F TERMINAL EXAMPLES 30A3 sets Scan Temp 3 to 30 C 50 2A0 sets Scan Temp 0 to 50 2 C 100 5A8 sets Scan Temp 8 to 100 5 C The above sequence will be executed 50 2 C first 30 0 C second and 100 5 C third A3 deletes Scan Temp 3 With Scan Temp 3 deleted execution will start with 50 2 C and end with 100 5 C 150 5Ab sets Scan Temp 8 to 150 5 C Note that the new Scan Temp of 150 5 writes over the old one of 100 5 G COMPUTER EXAMPLES PRINT 1 30A3 or PRINT 1 X A Y 2 to SET DELETE a SCAN TIME A A time lt 0 or gt 1999 is ignored and no action is initiated by the controller B A time between 1800 and 1999 sets the time to infinity C Bm will delete scan temperature and time m D Scan Times can be assigned in any order They along with their corresponding Scan Temp will be executed in ascending order TCO1 FManual Ver 0707 29 E TERMINALEXAMPLES 10B3 sets Scan Time 3 to 10 minutes 82 0 sets Scan Time 0 to 82 minutes 100B8 sets Scan Time 8 to 100 minutes The soak time at the first executed temperature will be 82 minutes at the second tem perature 10 minutes and at the third temperature 100 minutes F COMPUTER EXAMPLES PRINT 1 10B3 or PRINT 1 X B Y 3 TOSET THE NUMBER OF CYCLES OR LOOPS FOR THE SCAN MODE n n n n
40. cles Thus we may define several types os time outs thatwould be useful to the user The first to consider is a time out indication at the end soak time pointwithin the temperature scan sequence Another type would be a time out signifying completion of the last soak time in a scan sequence Since the scan sequence can be cycled yet another time out indication would be to alert the user that all cycles programmed have been competed TCO1 FManual Ver 0707 53 54 The TCO1 outputs three different interrupt characters one for each of thethree distinct time outs assuming time out indications are ENABLED Thetable below describes said characters The characters are sent out minute before completion of time out TIME OUT TYPE INTERRUPT CHARACTER SENT HEX SOAK TIME COMPLETE 43 CYCLE LOOP COMPLETED 44 END OF TOTAL RUN 45 PROBLEMINDICATORS Four problem indicators have been incorporated into the PROBLEM TYPE INTERRUPT CHARACTER SENT HEX Deviation Limit Exceeded 46 when enabled Chamber Temp exceeds UTL 47 Command Error 42 488 Bus lock up time out 4 1 Manual Ver 0707 3 5 REMOTE ADDRESS SELECT SWITCH Figure 7 shows the location of the RS232 C connector the IEEE 488 connector and the address select switch on the remote I O panel The talk listen address for the 488 interface is set using the four position switch located on the I O panel The switches are such that a ze
41. d from the factory is such that when cooling is required the cool output terminal 2 figure 3 will be switched to the hot side of the incoming power If an inversion is required for interfacing then a jumper will need to be installed 1 22 The CPU board is the board that contains the LED display To gain access to the CPU board remove 4 front panel screws that hold the board stack to the front panel sheet metal Install jumper in location COOLPOL The jumper is located below the square uP socket If the baud rate or failsafe polarity need to be changed do them now see above and below Replace board stack and reinstall TCO1 controller 4 5 FAILSAFE LOGIC SENSE INVERSION The sense of the failsafe input as shipped from the factory is such that whena low level is input the TCO1 will go into the failsafe mode and turn off the heat and cool outputs If an inversion is required for interfacing than jumper will need to be installed 1 09 62 The CPU board is the board that contains LED display To gain access to CPU board remove 4 front panel screws that hold the board stack to the front panel sheet metal Install jumper in location FS POL The jumper is located below the square uP socket If the baud rate or cooling polarity need to be changed do them now see above Replace board stack and reinstall TCO1 controller TCO1 F Manual Ver 0707 SECTION V REPAIR PARTS REPLACEMENT 5 1 PARTS REPLACEMENT
42. degree centigrade B The LED display will only display from 1 deg up to 199 0 deg At temperatures gt 200 the display resolution is 1 deg 5 to READ the SET TEMPERATURE A The resolution of the temperature reading read over the bus is 1 degree centigrade B The LED display will only display to 1 deg up to 199 9 deg AT temperatures gt 200 the display resolution is 1 deg TCO1 FManual Ver 0707 43 44 6 to READ the REMAINING TIME atthe CURRENT TEMPERATURE M A Time is interpreted as minutes unless the HR option is installed whereby time is interpreted a hours 3 4 2 GPIB COMMANDS SCAN MODE see Command Summary TABLE 3 4 1 to SET DELETE a SCAN TEMPERATURE n n n n Am where 100 0 lt n n n n lt UTL A A temperature lt 100 or gt UTL is ignored and no action is initiated by the controller B UTL is the user settable limit temperature UTL can only beset lt PLIMIT PLIMIT is the highest temperature allowed for the TCO1 and is 315 deg C C Am will delete scan temperature and time m D Scan Temps can be assigned in any order However Scan Temps will be executed in ascending order of m The resolution of the temperature set over the interface is 1 deg However the LED display will only display to 1 degup to 199 9 At temps gt 200 deg the display resolu tion is 1 deg 2 to SET DELETEa SCAN TIME n n n OBm where 0 lt n lt 1999 and 0 lt m lt 9 A A time lt
43. e 0 lt n n n n lt 1999 An input gt 1800 and lt 1999 sets the number of cycles to infinity 4 40 DISPLAY a SCAN TEMPERATURE SCAN TEMP m where 0 lt lt 9 Scan temperature m will be displayed for 3 seconds 5 to DISPLAY a SCAN TIME SCAN TIMEm Scan time m will be displayed for 3 seconds 6 to DISPLAY the CURRENT CYCLE NUMBER SCAN TIME NOTE willbe displayed during the first cycle or loop 2 willbe displayed during the second etc The scan will terminateautomatically after the cycle where the current cycle number equalsthe number of cycles to do When the scan mode is terminated theheat and cool outputs are disabled the set temp is set for 25c andthe time at temperature is set to infinity and the number of cycles to do is set to infinity If the Scan Mode hasn t started or hasbeen stopped See 1 1 this section then this command displays the original number of cycles set 7 to DISPLAY the CHAMBER TEMPERATURE No action is required to display the chamber temperature since the chamber temperature is normally displayed unless the controller has been instructed to display another parameter Is so instructed thecontroller will once again display the chamber temperature 3 seconds after the instruction 8 to DISPLAY the CURRENT SCAN TEMPERATURE TEMP The set temperature will be displayed for 3 seconds 9 to DISPLAY REMAINING TIME atthe CURRENT TEMPERATURE TIME The remaining time at te
44. e controller will automatically disable the heat and cool outputs within 30 seconds of the probe failure UPPER TEMPERATURELIMIT UTL The 1 can be programmed via the RS232 or GPIB to alert the user when some user selected Upper Temperature Limit UTL has been exceeded This feature is useful to protect equipment that may be damaged at some temperature lower than the TCO1 Chamber maximum capability As an example if itis known that a plastic housing will start to deform at 105c a UTL can be set to be 90c If any command is entered that subsequentlyattempts to raise the chamber temperature above this UTL a command error will be generated If the measured chamber temperature should exceed the current UTL then the TCO1 responds with an ASCII character or a GPIB interrupt Hex 47 Additionally the heat output will automatically be disabled until thechamber temperature falls below the UTL The Special Commands to accomplish theUTL function are further described in Section 3 3 4 RS232 Special Group andSection 3 4 4 GPIB Commands Special BUSTIME OUT The processing of some GPIB commands by the 1 require waiting foraresponsefrom the GPIB system controller For example the GPIB system controller may write to the TCO1 sends ASCH T This character is interpretedby the TCO1 to mean please send the current chamber temperature If a statement is not incorporated into the system controller pro
45. e mechanism FUSES Two fuses are located on the power supply board board furthest from front panel that protect against damaging loads Refer to figure 3 reference F2 is a 15 amp fuse that is in series with the heating Triac Fl is a 5 amp fuse in serieswith the TCO1 power transformer input the cool Triac circuit and the switched line output TCO1 FManual Ver 0707 11 WATCHDOG TIMER This hardware within the TCO1 protects against microprocessor malfunction or other form of loss of program control This hardware is accessed by theprocessor and associated software approximately every second If amalfunction occurs and said hardware is not accessed the watch dog circuitry takes control and provides an orderly shutdown of the 1 Heat cool Aux 1 and Aux 2 outputs are automatically disabled and the 1 is put into an OFF state This condition cannot be reset by any bus or keyboard command The must be turned off in order to reset If some permanent hardware malfunction is present the watch dog circuitry will again shut down the TCO1 upon power up In this latter case the TCO1 will most likely require factory service SeeSection 1 8 and 1 9 for further information on repair andreturn ofmerchandise SHORTED OPEN PROBE The 1 controller contains built in circuitry to detect the two most common temperature probe failure modes If a controller temperature probe fails i e becomes a high or low resistance th
46. erature Chamber has been at the Set Temperature for the required amount of time Simultaneously an audio indication will sound The buzzer can be reset by depressing the time or temp or C clear key the keyboard orby setting any controller temp time function For any key to have effect the keyboard must not have been locked out by an IEEE 488 lockout command See paragraph 3 4 3 10 Slightly below the 16 key keyboard are two holes with attending large panheadscrews that are unlabeled These holes provide access to calibration pots that are used to calibrate the TCO1 Details are given in SECTION IV UserAdjustments TCO1 FManual Ver 0707 19 20 3 2 LOCAL KEYBOARD CONTROL The following commands are provided by the local keyboard assuming the controller has not been instructed via and IEEE 488 interface command to lock out local control Any invalid data or any command error immediately causes the display to read 0 0 with no action taken by the controller CONVENTIONS 1 or m refers to any numeric key a single keystroke 2 refers to the minus key 3 Items enclosed in parentheses are optional Thus n n n means that at least one numeric key has to be depressed Two additional numeric keystrokes are optional 4 gt is read as is equal to or greater than 5 All temperatures referred to are in the units of degrees centigrade 6 Keystrokes are
47. gram the TCO1 would be waiting forever to transmit the chamber temperature This lock upcondition is averted by the Bus Time Out feature If the TCO1 is locked upwaiting some system controller response it will only wait approximately 5seconds and generate an interrupt Hex 4F that alerts the controller that abus time out has occurred The interrupt handling routine in the calculator then processes this information and can alert the operator as to the problem TC01 F Manual Ver 0707 The ultimate failsafe against high temperature damage is provided by theindependent failsafe mechanism usually a bimetal sensor found in most all temperature and environmental chambers This failsafe mechanism is an independent check on reckless system operation and should be known to be in proper operation condition The TCO1 provides fora TTL level failsafe inputsignal that will cause all TCO1 outputs to turn off The active level of thefailsafe input is jumper selectable The default failsafe active level is low The users failsafe circuitry must provide for an independent interruption of the heater circuit to protect against TCOI heat triac failure in the oncondition Triac failure is very rare but still possible 1 7 OPTIONS 1 7 1 220 VOLT 50 60 HZ OPERATION OPTION 00 Option 00 allows the TCO1 to be powered by 220 volt 50 60 Hz source Factory installed jumpers connect two power transformer windings either in parallel f
48. gure 3 for wiring Power Input and process connection for stand alone controller Figure 3 provides the schematic for the TCO1 line and process connection Allline and line powered process chamber connections are to the large 8 positionscrew terminal located on the bottom of the power supply board top board thathas line transformer Pin 1 and 3 are the input output for the heater Pin 2provides switched line hot for the cooling device Pin 415 connected toline neutral ph and pin 61 for line hot ph A input Pin 7 provides line hot when controller power switch is on and is limited to approximately 4 amp Finally pin 8 provides a ground pointto the TCO1 ground Note The 1 controller that is supplied as the controller in Sun s modelECOx chambers has a different power process interface Installation of the TCO1 into your systemmay require custommetalwork on the host system For these cases figures 5 and 6 give sufficient detail to install the TCO1 in a panel TCO1 FManual Ver 0707 15 2 2 INSTALLATION INSTRUCTIONS The chamber interface circuitry of the is flexible enough to accommodatepractically any temperature chamber The factors involved in the retrofit arediscussed below The schematic in figure 3 should be used as a guide MAXIMUM POWERCONTROLLED The HEAT circuit of the TCO1 1 amp 3 fig 3 can drive 100 to240 VAC 15 AMP max load The COOL triac circuit
49. he HR option is selected whereby time is interpreted as hours D EXAMPLES 10 TIME sets the soak time to 10 minutes 1981 TIME sets the soak time to infinity 10 TIME is ignored 3 to DISPLAY the CHAMBER TEMPERATURE No action is required to display the chamber temperature since the chamber tempera ture is normally displayed unless controller has been instructed to display another parameter If so instructed the controller will once againdisplay the chamber tempera ture 3 seconds after the instruction 4 to DISPLAY the SET TEMPERATURE TEMP The chamber set temperature will be displayed for 3 seconds TIME The remaining time at temperature in minutes will be displayed for 3 second If the HR option is selected time will be displayed in hours 3 2 2 KEYBOARD COMMANDS SCAN MODE See Command Summary TABLE 3 4 1 to SET DELETE a SCAN TEMPERATURE n n n SCAN TEMP M where 100 lt n n n lt UTL and where 0 lt m lt 9 A A temperature of lt 100 or gt UTL is ignored and no action will be initiated by the controller B UTL is the user settable limit temperature UTL can only be set lt PLIMIT PLIMIT is the highest temperature allowed or 315 deg C TC01 F Manual Ver 0707 21 SCAN TEMP m will delete scan temperature and scan timem D Fractional temperatures can be entered using the key as a decimal point once a digit has been entered E Scan Temps can be assigned in any order However Scan Temps wi
50. he failsafe input is active the heat and cool outputs are automatically turned off The default active level 15 low COMMANDS THATHAVECHANGED An effort was made to have the new version TCO1 as compatible as possible withearlier versions One command has changed and a new command has been added Command OPT remote command to determine 1 configuration Changes The OPT command now provides more information Command INIT remote command to configure TCO1 Changes A new command SEE RS232 or GPIB detailed command description section ADDED COMMANDS Table 3 4 summarizes the commands available for the TCO1 commands and features that have been added since the last manual are proceeded with a plus sign 1 21INITIAL INSPECTION Inspect the shipping container for obvious damage If the shipping container or cushioning material is damaged then a written note on the bill of lading ofthe damage should be made while the delivery person is still on the premises This documents damage to the shipping company should a 1 Manual Ver 0707 claim need to be made Save any damaged carton or cushioning material until the temperature control ler has been checked mechanically and electrically The contents of the shipment should be checked against the packing slip Procedures for checking the mechanical and electrical operation are given in SECTION OPERATION 1 2 1 LOST OR DAMAGED EQUIPMENT The goods described on your pac
51. he highest temperature allowed for the TCO1 and is 315 deg C Setting the temperature enables the heat and cool outputs withheat cool switch override D Atemperature 1000r UTL isignored and no action will be initiated by the controller E Sample GPIB commands write 703 50 2C assume controller 1427 01 device address 03 string 50 2C sets the chamber temperature to 50 2 deg C TCO1 F Manual Ver 0707 2 toSET the TIME AT TEMPERATURE Soak Time n n n n M where 0 lt n n n n lt 1999 A A time lt 0 or gt 1999 is ignored and no action is initiated by the controller B A time between 1800 and 1999 sets the time to infinity C Time is interpreted as minutes unless the HR option is installed whereby time is interpreted as hours 3 toSETthe DEVIATION LIMIT and ENABLE DEVIATION INTERRUPT EDIn n n n where 0 lt n n n n lt UTL A The allowed temperature deviation before generating a deviationinterrupt is the set value around the target chamber set temperature B The deviation checking is automatically disabled duringtransitions between chamber temperature set points and begins once the chamber temperature is within the devia tion limits os the set temperature C The deviation limits will be checked each time a new heat coolperiod is calculated once every 2 seconds default 4 to READ the CHAMBER TEMPERATURE T A The resolution of the temperature reading read over the bus is 1
52. hed with the probe in the chamber while using another standardtemperature meter to monitor the chamber or the freezing and boiling points ofdistilled water can be used as the two calibration points For this latter method carefully remove the temperature probe from the chamber so that it may be placed in contact with the hot or cold water Sun also manufactures a dual well probe calibrator that provides the 0 and 100 deg C temperatures 4 3 RS232 BAUD RATE CHANGE The baud rate of the RS232 port is factory set at 9600 baud The baud rate is field changeable by 2 jumpers on the CPU board The jumpers are located below the uP socket on the CPU board Proceed as follows The controller will need to be taken out of the chamber for the baud rate change CAUTION BE SURE THAT THE CHAMBER IS UNPLUGGED 1 The CPU board is the board that contains the LED display To gain access to the CPU board remove 4 front panel screws that hold the board stack to the front panel sheet metal 2 Install jumpers in location BAUD 0 and BAUD 1 as given below The twojumpers are located just below the square uP socket 3 Ifthe cool polarity or failsafe polarity need to be changed do them now see below 4 Replace board stack and reinstall TCOI controller TCO1 FManual Ver 0707 61 jumper BAUD out in out in jumper 0 BAUD 1 baud rate out 9600 out 4800 in 2400 in 1200 4 4 COOLING LOGIC SENSEINVERSION The sense of the cool output as shippe
53. king slip were delivered to the transportationcompany at Sun Electronic Systems premised in complete and good condition Ifany of the goods called for on the packing slip are short or damaged you must file a claim WITH THE TRANSPORTATION COMPANY FOR THE AMOUNT OF THE DAMAGEAND ORLOSS If any of the goods called for on your packing slip are short or damaged at thetime of delivery ACCEPT THEM but insist that the freight agent make a damaged or short notation on your freight bill or express receipt and sign it If any concealed loss or damage 1 discovered notify your local freight agentor express agent AT ONCE and request him to make an inspection This isabsolutely necessary Unless you do this the transportation company will notconsider your claim for loss or damage valid If the agent refuses to make aninspection you should draw up an affidavit to the effect that you notified himon a certain date and that he failed to make the necessary inspection If you have ascertained that the extent of the damage renders the controllerinoperative call Sun Electronic Systems for an RMA number see paragraph 1 9 RETURN OFMERCHANDISE and return the controller We will repair or replace thecontroller as necessary and bill you for the cost This new invoice will then be part of your claim for reimbursement from the transportation company This together with other papers will properly support your claim 1 2 2 UPS SHIPMENTS The claims adjustment procedu
54. ll be executed in ascending order EXAMPLES 30 SCANTEMP 3 sets Scan Temp 3 50 SCANTEMP 0 sets Scan Temp 0 100 SCANTEMP 8 sets Scan Temp 8 The above sequence will be executed 50c first 30c second and 100c third SCANTEMP 3 deletes Scan Temp 3 150 SCANTEMP 8 changes Scan Temp 8 G Scan Temp entered without a corresponding Scan Time isignored at execution time 2 to SCAN TIME n n n n SCAN TIME m where 0 lt n n n n lt 1999 A time lt 0 or gt 1999 is ignored and no action is initiate by the controller B A time gt 1800 and lt 1999 sets the time to infinity C SCAN TIME m will delete scan temp and scan time m D Scan Times can be assigned in any order They along with their corresponding Scan Temp will be executed in ascending order E Time is interpreted as minutes unless the HR option is selected whereby time is inter preted as hours EXAMPLES 10 SCANTIME 3 sets Scan Time 3 82 SCANTIME 0 sets Scan Time 0 100 SCANTIME 8 sets Scan Time 8 The soak time at the first executed temperature will be 82 minutes at the second tempera ture 10 minutes and at the third temperature 100 minutes SCANTIME 3 deletes Scan Time 3 55 SCANTIME 8 changes Scan Time 8 G A Scan Time entered without a corresponding Scan Temp isignored at execution time TCO1 F Manual Ver 0707 3 to SET the number of CYCLES for the SCAN MODE n n n n SCAN TIME wher
55. lows the user to change most TCO1 modes The INIT command is a remote only command The parameters that it changes are stored in EEPROM such that the information is saved with power off TCO1 F Manual Ver 0707 nis a digit between 1 and 7 and selects the temperature probe type as follows 1 RTD3 wire 100 ohm 385 alpha 2 RTD3 wire 100 ohm 392 alpha 3 J thermocouple 4 K thermocouple 5 T thermocouple data separator p allows permanent change to the PID P coefficient data separator 1 allows permanent change to the PID I coefficient data separator d allows permanent change to the PID D coefficient data separator M to set time units to minutes or H for hours units data separator finally always send C character 3 3 5 TIME OUT PROBLEM INDICATIONS TIME OUT INDICATIONS SINGLE TEMPERATURE MODE When the desired soak time time at temperature has been reached the operator is alerted to this fact in three ways Firstly the TIME OUT LED located on the front panel is turned ON Secondly acontinuous tone is emitted from a transducer located on the TCO1 power supply board Thirdly an ASCII is sent by the TCO1 to the host RS232 device The LED and audioindication will continue until a TIME or TEMP key is pressed Alternately the controller may be RESET by sending RESET command see Section 3 3 3 or by depressing the C key on the TCO1 keyboard Note that all SCAN temps are cleared by the RESET command
56. ly always send C character 3 4 5 TIME OUT PROBLEM INDICATIONS TIME OUT INDICATIONS SINGLE TEMPERATURE MODE When the desired soak time time at temperature has been reached the operatoris alerted to this fact in three ways Firstly the TIME OUT LED located on the front panel is turned ON Secondly a continuous tone is emitted from atransducer located on the TCO1 power supply board Thirdly a service request is made by activating the SRQ line on the GPIB bus When the GPIB system controller subsequently polls the TCO1 that requested service the timed out responds with a HEX 41 Any TCOI that has not timed out willrespond to the polling with a HEX 00 The LED and audio indication willcontinue until the controller is senta RESET command via the GPIB bus orisreset manually if local lockout not enabled by depressing clear keyon the keyboard Setting or reading TIME or TEMP will also clear the buzzer and LED TIME OUT INDICATIONS SCAN MODE Time out indications may be ENABLED or DISABLED per commands in 3 4 3 Thedefault condition is that Time Out indications are DISABLED The TCO1 SCAN mode allows a maximum of 10 segments to be programmed through theIEEE 488 bus Each segmentis described by a temperature and a soak time time at temperature Additionally the scan mode sequence chosen by the usercan be programmed to be automatically repeated any number of times up to atotal of 1800 cy
57. mes are cleared and the single temp mode is entered See 3 2 3 TCO1 FManual Ver 0707 25 3 3 RS232 C REMOTE CONTROL CONVENTIONS COMMENTS 1 or m refers to any numeric character 0 through 9 2 Items enclosed in parentheses are optional Thus means that at least one numeric character has to be sent One or two additional numeric characters to the left of a decimal and one character after a decimal is allowed All times referred to are in the unit of minutes or hours All temperatures referred to are in the unit of degrees centigrade 5 Commands sent to the controller and data sent from the controller are in the form of ASCII character strings Commands sent to the controller are masked to 7 bits and may contain space characters blanks 6 The RS232 encoding format used for Windows is Baud Rate 9600 Data 8 Bits Parity None Flow Control None Stop Bits 1 Note Older equipment with serial numbers below C1508 Baud Rate 2400 7 Datasent from controller are followed by carriage return and line feed characters as line terminator 8 See TABLE 3 1 for RS232 C CONTACT ASSIGNMENTS and WIRING DIAGRAM 9 The command processor software ignores leading zero s and trailing digits on all nu meric data received For example 0000025 32c will set the single mode temperature to 25 3c 10 BOLD type in the Terminal Examples indicate keystrokes required from the terminal keyboard
58. mperature will be displayed for 3seconds TCO1 FManual Ver 0707 23 10 to START the SCAN MODE SCAN TEMP SCAN TIME Starting the Scan Mode without any valid Scan Temp Scan Time data programmed will cause a command error response 11 to STOP the SCAN MODE SCAN TIME SCAN TEMP Stopping the Scan Mode disables the heat and cool outputs and disables the time out function Upon restarting execution begins at the FIRST valid Scan Time Temp of the loop or cycle in which it was stopped Execution does NOT continue at the Scan Time Temp at which the Scan was stopped 3 2 3 KEYBOARD COMMANDS CONTROL GROUP to RESET clear the CONTROLLER The controller is reset to power up conditions 1 Single Temp mode 2 All scan temperature and time cleared 3 Set temperature equal to 25 degrees 4 Time at temperature equal to infinity 5 ft of cycles equal to infinity 6 Compressor and auxiliary outputs disabled 7 Heat Cool outputs disables 8 RS232 C echo disabled 9 IEEE 488 address displayed for 3 seconds 10 Local control enabled 11 PID coefficients and period unchanged 12 Scan interrupts are disabled 13 UTL PLIMIT 14 Deviation limit checking disabled 24 TCO1 F Manual Ver 0707 3 2 4 TIME OUT INDICATIONS SINGLE TEMPERATURE MODE When the desired soak time time at temperature has been reached the operatoris alerted to this fact in two ways First the TIME OUT LED located on thefront panel is turned ON
59. n at the set temperature 1 to 180 minutes or indefinitely Read the remaining time at temperature Read the chamber temperature Set and read any of 10 scan temperatures Set and read any of 10 scan times Start the scan mode or the cycle mode Enable disable Compressor and auxiliary outputs Reset the controller to power up conditions TEMP 25c TIME infinity single tempera ture mode Gives an audio and visual indication when the time at temperature expires and if in remote mode generates and interrupt SRQ for IEEE 488 and ASCII character for RS232 Local control keyboard can be enabled or disabled via IEEE 488 bus commands 1 6 2 BLOCK DIAGRAM DESCRIPTION As shown in Figure 1 the microprocessor uP unit is the heart of the system which controls all actions of the controller The uP contains three types ofmemory Ithas ROM for program storage RAM for variables and EEPROM forstorage of seldom changed variables that are retained during power down The timer generates interrupts to the microprocessor which are derivedfrom the crystal oscillator system clock These interrupts are used in timingthe pulse width modulated heat and cool times time at temperature timing watchdog timing and display timing The heater driver and the cooling valvedriver are optically coupled triacs that switch the heater and the coolingvalve to the power line The heater and cooling outputs are synchronized to the zero crossing of
60. nt Scan Temp C COMPUTEREXAMPLES INPUT 1 X 9 to Read REMAINING TIME CURRENT TEMPERATURE M A Time is interrupted as minutes unless hours was selected by the INIT command then it is in hours B TERMINALEXAMPLES causes to output remaining time C COMPUTER EXAMPLES PRINT 1 M outputs commands to TCOI INPUT 1 X reads Time 10 toSTART the SCAN MODE AB A Starting the Scan Mode without any valid Scan Temp Scan Timedata programmed will cause a command error response B TERMINALEXAMPLES PRINT 1 AB starts Scan Mode orPRINT 1 A 11 to STOP the SCAN MODE BA A Heat and Cool outputs are disabled the time outs function isturned off Upon restart ing execution beings atthe FIRST valid Scan Temp Time data of the loop or cycle in which it was stopped It does NOT continue at the scan data at which the Scan was stopped B TERMINALEXAMPLES BA stops scan mode C COMPUTER EXAMPLES PRINT 1 BA stops Scan Mode 32 1 Manual Ver 0707 3 3 3 RS232 COMMANDS CONTROL GROUP 1 toRESET clear the CONTROLLER R The controller is rest to power up conditions 1 Single Temp Mode 2 All scan temperatures and times cleared 3 Set temperature equal to 25 degrees 4 Time at temperature equal to infinity 5 of cycles equal to infinity 6 Compressor and auxiliary outputs disabled 7 Heat Cool outputs disabled 8 RS232 C echo disabled 9 IEEE 488 address displayed f
61. or 110 volt operation or in series for 220 volt operation The correct jumpers were factory installed per the original customer order Section 2 3 contains information on how to determine whether a particular TCO1 is wired for a 110 volt or a 220 volt source 1 7 2 PROBE TYPES SUPPORTED The can be ordered to operate with the following temperature probes RTD 100 ohm platinum 3 wire 385 or 392 alpha or J or or T type thermocouple With the new INIT command the user can nowchange probe type in the field 1 7 3 TIME SET IN HOURS OPTION 07 Some applications require very long soak times approaching thousands ofhours For these applications option 07 will allow local and remoteprogramming to be set in the units of hours Set resolution is 1 hour With the new INIT command the user can now change the time units in the field 1 8 REPAIR Due to the rather elaborate test system required field repair of the TCO1 may not be feasible for some failures Sun Electronic Systems maintains a full service department that will attempt to resolve any problems first by telephone and subsequently by repair of the controller 1 9 RETURN OF MERCHANDISE When calling for return of a controller the Customer Service Department will issue a Return Material Authorization RMA number which will be valid for a period of 30 days TCO1 FManual Ver 0707 13 14 Any equipment returned to Sun Electronic Systems without an RMA number willresult in repair
62. or 3 seconds 10 Local control enabled 11 PID coefficients unchanged 12 Scan interrupts are disabled 13 UTL PLIMIT 14 Deviation limit checking disabled 2 to ENABLE LOCAL CONTROL of the CONTROLLER Pressing a local keyboard key returns the controller to local mode There is no local lock out function supported for the RS232 C bus 3 to ENABLE REMOTE CONTROL The controller is automatically set in the remote mode whenever it receives a character over the RS232 C bus 4 to ENABLE RS232 ECHO mode H A The default mode is no echo of characters that come in the RS232 port B This command sets the controller in the echo mode which causes any character input to the RS232 port to be echoed back out to the RS232 port C Tore enter the no echo mode the controller must be RESET Note that RESET will clear all SCAN times and temps and controller will enter single temp mode D TERMINALEXAMPLES enables RS232 Echo E COMPUTER EXAMPLES PRINT 1 H enables RS232 Echo TCO1 FManual Ver 0707 33 5 to ENABLE the HEAT and COOL OUTPUTS ON A Setting the single mode set temp or starting the scan mode also automatically enables the heat and cool outputs B TERMINALEXAMPLES ON enables Heat Cool outputs C COMPUTER EXAMPLES PRINT 1 ON or PRINT 1 A 6 to ENABLE the AUXILIARY 1 OUTPUT OUTION A This auxiliary output is typically used for compressor controlin mechanically cooled temperature
63. played on terminal D COMPUTER EXAMPLE PRINT 1 T output command to TCO1 INPUT 1 X read chamber temperature 5 to READ the SET TEMPERATURE A The resolution of the temperature reading read over theinterface is 1 degree centigrade B The front panel LED display will display to 1 deg up to 199 9 deg At temperatures gt 200 deg the display resolution is 1 deg C TERMINAL EXAMPLE C outputs Set Temp to terminal D COMPUTER EXAMPLE PRINT 1 C outputs command to 1 INPUT 1 X read Set Temp 6 to READ the REMAINING TIME at the CURRENT TEMPERATURE M A Time is interpreted as minutes unless hours was selectedby the INIT command OPT can be used to determine time setting B TERMINAL EXAMPLE M outputs Time to terminal C COMPUTER EXAMPLE PRINT 1 M output command to TCO1 INPUT 1 X read Time TCO1 F Manual Ver 0707 3 3 2 RS232 COMMANDS SCAN MODE See Command Summary TABLE 3 4 1 to SET DELETE a SCAN TEMPERATURE n n n n Am where 100 0 lt n n n n lt UTL and 0 lt m lt 9 A A temperature lt 100 or gt UTL is ignored and no action is initiated by the controller B UTL is the user settable limit temperature UTL can only be set lt PLIMIT PLIMIT is the highest temperature allowed or 315 deg C C Am will delete scan temperature and time m D Scan Temps can be assigned in any order Scan Temps will beexecuted in ascending order E The resolution of the temper
64. re for UPS shipments varies somewhat from theprocedure listed above for regular motor and air freight shipments If your equipment was shipped via UPS and sustained either damage or loss the UPS representative in your area must initiate the claim by inspecting the goods and assigning a freight claim number to the damage equipment The representativewill attach a Call Tag to the outside of the equipment box which will be yourauthorization to return the merchandise to our factory for claim adjustment Upon receipt of this damaged equipment we will perform the necessary repairs process the appropriate paperwork with UPS and return the equipment to you Please allow time for processing of any type claim Normal time for proper processing of a UPS claim in 15 30 working days Remember it is extremely important that you do not give the transportation company a clear receipt if damage or shortages are evident upon delivery Itis equally important that you call for an inspection if the loss or damage isdiscovered later DO NOT UNDER ANY CIRCUMSTANCES ORDER THETRANS PORTATIONCOMPANY TO RETURN SHIPMENT TO OUR FACTORY OR REFUSE SHIPMENT UNLESS WE HAVEAUTHORIZED SUCH RETURN TCO1 FManual Ver 0707 7 1 3 TC01 SPECIFICATIONS TABLE 1 1 Set Temperature Range Absolute error over temp range Temperature Control Long term stability Repeatability Resolution Temperature control technique Temperature display resolution Time at temperature range
65. ro is set having the switch ON anda one is set with the switch OFF Ifthere is any doubt about which address is encoded the display will show the GPIB address for three seconds immediately upon power up or upon given a RESET clear command TABLE 3 2 lists the contact pin assignments for the IEEE 488 connector TABLE 3 3 lists the 16 possible addresses as determined by the switch settings TABLE 3 2 488 CONTACT ASSIGNMENTS CONTACT SIGNAL LINE CONTACT SIGNAL LINE 1 DIO 1 13 DIO 5 2 DIO2 14 DIO6 3 DIO 3 15 DIO 7 4 DIO 4 16 DIO 8 5 EOI 17 REN 6 DAU 18 GND 7 NRFD 19 GND 8 NDAC 20 GND 9 IFC 1 21 GND 10 SRQ 22 GND 11 ATN 23 GND 12 SHIELD 24 GND LOGIC TCO1 FManual Ver 0707 55 56 ADDRESS SWITCH 1 Or 6 OS aS 5 2 3 4 TABLE 3 3 488 BUS ADDRESS SWITCH SETTING TALK ADDRESS LISTEN ADDRESS CHARACTER CHARACTER SP A B D E amp single quote 1 K L comma M dash N period O 0 switch 1 switch off DECIMAL VALUE 0 1 2 3 10 11 12 13 14 15 1 Manual Ver 0707 TABLE 3 4 COMMAND SUMMARY EXAMPLES FUNCTION KEYBD DISPLAY RS232 TEEE
66. s characters thatsignify end of soak times as discussed in Section 3 4 5 9 to ENABLEDEVIATION INTERRUPT Deviation Interrupts are automatically enabled by setting thedeviation limit See 3 4 3 4 The interrupt character output by the TCO1 is discussed in section 3 4 5 10 to DISABLE LOCAL CONTROL See IEEE 488 standard 488 1975 or above 11 to DISABLE RS232 ECHO R A Note that this is reset command which will also reset mostother controller parameters See COMMAND 1 of this section 12 to DISABLE the HEAT and COOL OUTPUTS OFF 13 to DISABLE the AUXILIARY 1 OUTPUT OUTIOFF See discussion at command 6 TCO1 FManual Ver 0707 49 14 to DISABLE the AUXILIARY 2 OUTPUT OUT2OFF 15 to DISABLE SCAN MODE INTERRUPTS DSI A See discussion at command 8 16 to DISABLE the DEVIATION INTERRUPT DDI A See discussion in this section at command 9 3 4 4 GPIB COMMANDS SPECIAL 1 to INPUT CHARACTER STRING from SYSTEM CONTROLLER amp OUTPUT SAID STRING to RS232 C INTERFACE Issss sss where ssss sss is an ASCII character string A This command allows direct control ofcustom circuitry by theGPIB System Controller Any custom circuitry with an RS232 interfacecan be controlled by this command and interrogated with the use of the next command Thus an unlimited number of events and status thereof can be incorporated as part of the automated test facility For ex ample one may wish to test say 100 component resistors
67. s higher speed of operation and increased capabilities the IEEE 488 interface is best suited for remote control when feasible When the controller is controlled via the IEEE 488 bus a command issupported which allows ASCII characters to be input via the IEEE 488 bus andsent out via RS232 C bus This extra feature can beusedto controlanother RS232 C compatible device For example a CRT terminal could beconnected to provide operator information from the system controller or anRS232 C compatible switching device could be used to control measurements Two auxiliary outputs open collector TTL are available to control externalevents The AUX compressor control is special in that it has an automatic time out feature useful when the is incorporated into compressor cooled chambers Both outputs are under GPIB RS232 control Aone bit input port is available and can be read under RS232 or GPIB control Finally a failsafe input is provided to inform the TCO1 that an external device has detected an error condition The TCO1 will turn off the heat and cool outputs in response to the failsafe input 1 6 3 FAILSAFE FEATURES Several features have been designed into the TCO1 that provide a measure ofprotection against damaging or unusual controller operation conditions Whilethese failsafes features provide the user with a first level failsafe thecontroller cannot detect all failure modes and therefore your chamber must havean independent failsaf
68. s info on the type of temperature sensor that the TCO1 is configured for The substring time units will be MIN when minutes selected or HRS for hours time selection TCO1 FManual Ver 0707 51 5 OUTPUT AUXILIARY INPUTSTATE INI A The value returned is 0 if the input is TTL logic low and 1 ifthe input is at logic high B See figure 3 for wiring information 6 to SET UPPER TEMPERATURE LIMIT UTL n n n n n UTL where 100 lt n n n n n lt PLIMIT A UTL may beset to any value between 100 and PLIMIT inclusive The value is PLIMIT is 315 deg C B UTLis set equal to PLIMIT at power up 7 to OUTPUT CURRENT TEMPERATURELIMIT UTL UTL 8 INITTC01 OPERATING MODES INITn p i d M or H C The INIT command allows the user to change most 01 modes The INIT command is remote only command The parameters that it changes are stored in EEPROM such that the information is saved with power off nis a digit between 1 and 7 and selects the temperature probe type as follows 1 RTD 3 wire 100 ohm 385 alpha 2 RTD 3 wire 100 ohm 392 alpha 3 J thermocouple 4 K thermocouple 5 T thermocouple data separator p allows permanent change to the PID P coefficient data separator i allows permanent change to the PID I coefficient data separator 52 TCO1 F Manual Ver 0707 d allows permanent change to the PID D coefficient data separator M to set time units to minutes or H for hours units data separator final
69. s information on how to determine whether aparticular TCO1 is wired for 110 or 220 volts WARNING Any interruption of the protective grounding power conductor inside oroutside of the system to which the TCO1 is installed including the wall outlet or disconnection of the protective earth terminal could be dangerous The controller and associated user system should only be plugged into a properly installed grounded outlet The TCO1 must be mounted in the users equipment in such a manner that the operator is protected from coming into contact with any dangerous voltages 1 4 2 INSTALLATION Although the series of temperature controllers have been designed inaccordance with accepted safety standards the information cautions andwarnings in this manual must be followed to ensure safe operation Installation ifany should be performed only by qualified personnel All user adjustments are described inSECTIONIV USER ADJUSTMENTS 1 5 CONTROLLERS COVERED BY THIS MANUAL The contents of the manual apply to controllers with the serial number prefixes listed under SERIAL NUMBERS on title page iii TCO1 FManual Ver 0707 9 1 6 TC01 DESCRIPTION 1 6 1 GENERAL DESCRIPTION The TCO1 temperature controller offers the following features to allow forlocal front panel control as well as remote computer control ofthe userstemperature chamber system Setand read the chamber set temperature Set the amount of time the chamber should remai
70. s minutes unless the HR option is installed whereby time is interpreted as hours 11 TOSTART THE SCAN MODE AB A Starting the Scan Mode without any valid Scan Temp Scan Time dataprogrammed will cause a command error response 12 to STOP the SCAN MODE BA A Heat and Cool outputs are disabled the time out function isturned off Upon restarting execution begins at the FIRST valid Scan Temp Time data of the loop or cycle in which it was stopped It does NOT at the scan data at which the Scan was stopped TCO1 F Manual Ver 0707 3 4 3 GPIB COMMANDS CONTROL GROUP 1 to RESET the CONTROLLER R A The controller is reset to power up conditions 1 Single temp mode 2 All scan temperatures and times cleared 3 Set temperature equal to 25 degrees 4 Time at temperature equal to infinity 5 of cycles equal to infinity 6 Compressor and auxiliary outputs disabled 7 Heat Cool outputs disabled 8 RS232 C echo disabled 9 IEEE 488 address displayed for 3 seconds 10 Local controls enabled 11 PID coefficients unchanged 12 Scan interrupts are disabled 13 UTL PLIMIT 14 Deviation limit checking disabled 2 toENABLELOCAL CONTROL See IEEE std 488 1975 A Sample GPIB command lc17 see your GPIB system documentation for its command B After the return to local command is received pressing the RESETkey the key on the local keyboard is necessary to return the controller to local control 3 to ENABLE R
71. soak time Time at temperature resolution Number of scan set temps Number of scan set times Number of Cycles Compressor Auxiliary Output w Compressor time out Auxiliary Output 2 Auxiliary Input Failsafe Input Local control Remote control Controller power requirement Cooling solenoid control 199 to 315 deg C 1 deg 2 deg 25 deg 1 deg 1 deg PID algorithm Pulse width modulation at 5 HZ 1 deg C below 200 deg C 1 deg C 200 deg C and above 1 to 1800 minutes hour amp continuous minute hour 10 10 1 1800 amp infinite TTL open collector pullup TTL open collector pullup TTL level input pullup TTL input with pullup Activelow default Level configurable Via 16 key keyboard IEEE 488 bus and RS232 C 2 watts 110 volts 50 60 HZ 220 volts jumper selectable amp 240 volts max zero cross Heater control 15 amps 240 volts max zero cross Size 23 H x 12 W x 11 5 cm D 9 Hx4 75 Wx4 5 D OPTIONS see Section 1 7 1200 2400 4800 amp 9600 Baud available for RS232 C Baud Rate adjustable by user 9600 Baud default see Paragraph 4 3 TCO1 F Manual Ver 0707 1 4SAFETY CONSIDERATIONS 1 4 1 OPERATION AC power supplied to the temperature controllers must be in accordance with SECTION INSTALLATION The installation instruction allow connection toeither 110 volt or 240 volt systems Section 2 3 INSTALLATION contain
72. the TIME AT TEMPERATURE Soak Time n n n n M where 0 lt n n n n lt 1999 A A time lt 0 or gt 1999 is ignore and no action is initiated by the controller B A time between 1800 and 1999 sets the time to infinity C TERMINALEXAMPLES 10M sets the soak time to 10 minutes 1981M sets the soak time to infinity 10M is ignored D COMPUTER EXAMPLES PRINT 1 10M or PRINT 1 X M 3 to SET the DEVIATION LIMIT and ENABLE DEVIATION INTERRUPT EDIn n n n where 0 lt n n n n lt UTL A The allowed temperature deviation before generating adeviation interrupt is the set value around the target chamber set temperature B The deviation checking is automatically disabled duringtransitions between chamber temperature set points and begins once the chamber temperature is within the devia tion limits of the set temperature C The deviation limit will be checked each time a new heat coolperiod is calculated once every 2 seconds default D TERMINAL EXAMPLE EDI5 3 enables interrupt and set limit to 5 3c E COMPUTER EXAMPLE PRINT 1 EDI5 3 or PRINT 1 EDI X TCO1 FManual Ver 0707 27 4 to READ the CHAMBER TEMPERATURE T A The resolution of the temperature reading read over theinterface is 1 degree centigrade B The front panel LED display will display to 1 deg up to 199 9 deg At temperatures gt 200 deg the display resolution is 1 deg C TERMINAL EXAMPLE T chamber temp is dis
73. tual poweris applied onlyif the hear cool switches in the on position This feature allows the operator to manually override the heat cool decisions of the TCO1 After power up and or after areset command the heat and cool outputs aredisabled Setting the single mode set temp or starting the scan mode willenable the heat and cool outputs automatically Control of heat and cooloutputs is also provided by the ON and OFF commands via the RS232 port orIEEE 488 bus The 3 1 2 digit numeric display indicates Temperature or Time depending uponprevious keystrokes The display will defaultto indicating Chambertemperature when no key is pressed and 3 seconds have elapsed Set Temperature and Set Time are displayed when the Temp key and Time key are depressed respectively Five LEDs offer status information on the TCO1 The left side ofthe frontpanel contains the Heat and Cool LEDs When power is going to the heater and the cooling circuit the LED will be on From left to right three red LEDs above the main display are labeled Box Temp and TIME OUT respectively Activation of the Box Temp LED indicates that the numerals on the display are indicating Chamber Temperature The REM LED will activate when the is in the Remote mode Remote modeis current when information is being transferred via either the RS232 orIEEE 488 bus The TIME OUT LED will activate when the Temp
74. ute and heat cool outputs enabled 3 Whenever cooling is required and has been required continuously for gt 1 minute regardless of the current set temperature value and heat cool outputs enabled 4 If a new set temp current set temp in the single temp mode B The 1 will automatically turn the compressor OFF when 1 The SET temperature gt 40 deg C and cooling has not been requiredfor a period of 1 minute and not in the last minute of a scan temp point 2 The 1 has received OFF command or whenever the heat cooloutputs are disabled 48 TCO1 F Manual Ver 0707 The TCO1 will always perform the above automatic compressor controlunless it receives OUTION or an OUTIOFF command Once itreceives either the automatic compressor control is disabled until the TCO1 is RESET or turned OFF then ON again Once disabled the user can then enable or disable this output via OUT 1ON or OUT1OFFP at will to control whatever external event desired including any compressor The auxiliary output consists of an open collector output plus a 5 volt 270 ohm current source which be used to drive opto coupler circuits See figure 3 for auxiliary output interface 7 to ENABLE the AUXILIARY 2 OUTPUT OUT20N A This auxiliary output is not used by internal 1 functions The default condition is DISABLED 8 to ENABLE SCAN MODE INTERRUPTS ESI A This command allows the TCO1 to output the variou

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