User Manual - Senior Design
Contents
1. 6 6 2 Function 42 Hysteresis on off control 99 deg C or F In the on off control with hysteresis function the operator can control the dead band in which the output does not change In function 42 the function display will show 42 the zone display will be blank and the upper display will show the two digit current Hysteresis Toincrement the flashing digit press the button A Toadvanceto the next digit press the button To save setting and exitto function 73 press the button 31 6 6 3 Function 43 enable PID zone Theenable PID zone Function allows selection of on off or PID control forindividual zones In function 43 the function display will show 43 the zone display will show 1 and the upper display will be blank Ifthe zone display is flashing it indicates that the zone is selected for on offcontrol Ifthe zone display is not flashing then it is selected for PID control To toggle between enable and disable use the button gt To advance to the next zone use the button To save the settings and return to function 73 use the button C 6 6 4 Function 44 Proportional Band 9999 deg C or F The proportional band function allows the user to examine and set the proportional band Infunction 44 the function display will show 44 the zone display will be blank and the upper display will show the current Proportional band Toincrementthe flashing digituse the button P To advance to the next digit use the button2. SE00 0810 DEO SE00 0810 D0E0 SE00 08L0 DEO Sc00 08L0 OoE0 l sinoy 6666 ow S O00 aynuiw bap 6 66 edo S 0700 bap 6666 juiodjas OO 0 1 02 4 02 2 01 5 02 3J06 6 01 STANDARD CONTROL C Latching Relay C C Latching Relay F 7 Ovetheat Alarm 7 Undetheat Alam G HI LO Alam C NoAlam l SE00 0810 00c0 SE00 0810 00c0 SE00 0810 0020 SE00 0810 00c0 5 00 0000 00c0 el C RAMP AND SOAK 2 Hw ii HE Es i etc LL SE00 0810 00co SE00 0810 0020 SE00 0810 0020 SE00 0810 0020 SE00 0810 0020 SE00 0810 0020 LL 04 0 sec 01 deg CJF gt EL ok L 0 00 Repeatimin 0200 deg CIF 00 00 min Cycle time output PID Setup A N Hysterisis on off deviation from SP PID zone enable P v T Cooling zone enable Proportional band Reset Rate LOAD CHANGE Thermocouple unit 1 Type K STANDARD CONTROL C Non Latching Hi Lo Alarm 0l SE00 0000 sc SE00 0000 0sc0 SE00 0000 0sc SE00 0000 0sc SE00 0000 0Sc0 SE00 0000 oszo 0l RETURN RUN MAIN SET SETPOINTS G Type K C Type C C Type B C TypeR 6 0000 0810 ooo 0000 0810 00 0 0000 0810 00 0 0000 0810 00 0 0000 0810 00 0 0000 0810 ooro Gea 6 C Type S C Type T C Type E C Typed 8 SE00 0000 00 0 SE
3. Until Profile is started by function 79 all zones will run in STANDARD MODE Function 79 can start Profile for any single zone or all zones at once 41 In profile run control starts at ambient temperature ambient temperature becomes first setpoint and is advanced to the first segment setpoint at the rate of the first segments slope Profile run will continue until last segment is reached as set by function 74 Profile can be restarted at any time for any one zone or all zones at once SETTING CN 616 TC1 TO CONTROL 4 ZONE FURNACE Configuration Alarms Zone Setpoint HI LO 1 400 F 15 F 20 F 2 500 F 15 F 15 F 3 530 F 15 F 20 F 4 300 F 20 F 20 F Alarms Non latching Thermocouple Type K Autotune on Zone 2 Heaters 120 VAC 500 watt each Controller power 120 VAC Drivers Solid State Relays Omega type SSRL240DC25 or equivalent INSTALLATION Install the controller as instructed in the USER GUIDE Manual page 15 Wire the power terminals manual page 17 Wire the thermocouples as shown manual page 20 NOTE Since itis a 4 zone furnace use only 4 type K thermocouples on zones 1 2 3 amp 4 Short terminals 5 amp 6 with copper wires To avoid shorting thermo couples to the Electric heaters or grounds use ungrounded and shielded thermocouples Wire controller outputs as shown in the Manual page 40 Use only 4 outputs Z1 Z2 Z3 amp ZA Donotconnect anything to terminals Z5 amp Z
4. A k imi ee 1 USING INTERNAL 5V SUPPLY 5MAIZONE MAX ccuracy 0 1 Range 1 Reitin Suv DC Z1 Z2 Z324 C C Z5 Z5 Z6 Z6 DC Thermocouple Input selectable B C E J K R S T Scale Selectable C or F PID Autotune or Manual Password protection Yes Profiling ramp soak 20 segments per loop Control outputs 6 one per loop Outputrating Internal power 5V DC 10 Ma max 1 CONNECT ALL POSITIVE TERMINALS TOGETHER 3 32 V DC External power 5 to 40V DC 0 5 Amp 2 CONNECT THEM TO THE DC THERMINAL AS SHOWN 3 CONNECT ALL NEGATIVE TERMINALS TO THE INDIVIDUAL ZONES Communication RS 232 NOTE ZONES 5 AND 6 HAVE DUPLICATE TERMINALS Communication Software Visual Basic Windows Zone display time Settable 1 to 40 sec 2 USING EXTERNAL DC SUPPLY or Holdon any zone DC Z1 Z2 Z3Z4 C C 2525 Z6 Z6 DC Alarms Selectable HI LO HI LO or no alarms Alarm Type Latching or Non Latching Alarm display Flashing display zone inalarm Alarm output deenergises on alarm Singlerelay forall zones ee Alarm Reset Manual 40 MA MAX Relayrating 5 Amp 120 VAC Display LEDO0 6 high SOLID STATE RELAY p MECHANCAL RELAY Enclosure 1 4 Din Aluminum 6 long Terminals Headers for Plug in Wiring SOLID STATE OR MECHANICAL RELAYS CAN BE USED ON ANY ZONE LinePower 120 240V AC 50 60Hz PowerConsumption 10VA Max Max Voltage between Inputs 6VDC or RMS Open T C Warning Flashing Display 9999 40 39 APPLICATION NOTES In order to operate CN616 Controller successfully it mu
5. NOTE The PID setting is common to all zones i e itcan notbe changed from zone to zone The zones can be mixed and set to either PID or ON OFF FN 43 52 RAMP amp SOAK CONTROL 1 In this Mode each zone will follow the RAMP amp SOAK program set in Section 6 EN 74 amp 75 At the end of the Profile RUN the output power will be switched OFF 5 3 RAMP AND SOAK CONTROL 2 This Mode is exactly the same as RAMP amp SOAK 1 except that at the end of the Profile RUN the controller will control the temperature at the setpoint of the last segmentindefinitely 22 NOTE Torun Ramp amp Soak Unit must be set to run mode 51 or 52 Fn 33 Number of segments must be more than 0 Fn 74 Any zone set to segments 0 will run in STANDARD mode Until PROFILE is started Fn 79 zone willrunin STANDARD mode Function 79 will start Profile for any single zone or all zones at once First segment will start control from ambient temperature setpoint and take it to the first segment setpoint at the set rate Atany time PROFILE can be started again it will go to the start of the first segment SECTION 6 SETUP AND OPERATION This section deals with setting up all of the parameters of the CN616 Temperature Controller FN 70 is assigned for that task The setup operation is protected by a security password to prevent accidental or unauthorized modifications On power up the CN616 controller will enter RUN Mode To enter s
6. 0999 reset 9 99 9999 rate 99 99 77 Cooling zoneenable 0111 0111 SetforAutotune Code S controllersendsstring Code g controllerreceive string Protocol from computer L3S request for data 8 ch L3s string of data 6 ch Datastring send 8 characters long receive 6 characters long 06 zone for Autotune 1 to 6 9999 autotune setpoint 61 run mode 00 51 52 61 S send only Start Autotune Code G controllerreceive command Protocol fromcomputer L3G Startcommand Stop Autotune Code H controllerreceive command Protocol from computer L3H Stopcommand Notes 1 All data sent to the controller must be decimal ASCI format 2 All data sent to the controller and code G amp H are echoed backto the computer 3 Any non decimal character in the data stream will terminate reception and data received to that point will be ignored 11 2 4 RS 232 PC Screens Six examples of program screens are shown below Main Menu 2 OMEGA CN616 Temperature Controller Main menu Unit 1 TypeK STANDARD CONTROL C Non Latching Hi Lo Alarm Autotune Set Port Configure Unit Exit M3844 Run 616 laf x OMEGA CN616 Temperature Controller Unit 1 TypeK STANDARD CONTROL C Non Latching Hi Lo Alarm xj SavePath cA CACN616Lgl Txt Interval 1 minute E meum 2 oj st sj 9 zm Alam 0010 0020 ooso 0040 0050 o060 setpoint 0500 050
7. To save the settings and exit to function 73 use the button C 6 6 5 Function 45 Reset 9 99 repeats min Thereset function allows the operatorto examine and change the integral function of PID control In function 45 the function display will show 45 the zone display will be blank and the upper display will show the three digit current Reset setting To increment the flashing digit use the button A To advance to the next digit use the button To exit to function 73 use the button 32 6 6 6 Function 46 Rate 99 99 minutes The Rate function allows the operatorto examine and change the differential function of PID control Infunction 46 function display will show 46 the zone display will be blank and the upper display will show the current Rate Toincrementthe flashing digit press the button To advance to the next digit press the button gt To save setting and exitto function 73 press the button C 6 6 7 Function 47 enable Cooling zone This function is set in the same manner as function 43 Zones enabled by this function will run in on off control mode and will haveoutputs inverted to control cooling 6 7 Function 74 Segment Control set number of Profile Segments for each zone The segments function allows the operator to set the size of the profile in segments and the number of profile variants Function 74 does not control any other function On entering function 74 function display shows 74 Zo
8. 00 0000 00 0 SE00 0000 00 0 SE00 0000 00 0 SE00 0000 00 0 SE00 0000 8 NEW PASSWORD PTT Enter New Password i e 1030 L 0000 0810 LLLIU 0000 0810 LALAU 0000 0810 LALAU 0000 0810 LALAU 0000 08L0 LALAU 0000 Oslo vvv L SET PROFILE M3844 9 Sc00 0000 00c0 Sc00 0000 0020 Sc00 0000 0020 Sc00 0000 0020 Sc00 0000 0020 sz00 0000 0020 9 3 SE00 0810 0020 SE00 0810 00c0 SE00 0810 0020 SE00 0810 0020 SE00 0810 0020 00 0000 0020 g LX juiodjes g jueuDes euoz era weibold L3 ES 7 a E a V SE00 0000 0sc SE00 0000 osco SE00 0000 0Sc0 SE00 0000 0Sc0 SE00 0000 0Sc0 0000 0050 0szo F gt OMEGA CN616 Temperature Controller SETUP Unit 1 Type K STANDARD CONTROL C Non Latching Hi Lo Alarm 0000 0810 03 0 0000 0810 00 0 0000 0810 Oreo 0000 0810 00 0 0000 0810 c zoo 0000 0820 1 p010 0020 ooso o040 oo5o o060 see 0500 0500 0500 0500 0500 0500 Tempe rature 0406 004040403 04060403 0405 0010 0020 0030 o040 o050 o060 Enable Zone High Alarm Low Alarm l GED0 0000 o000 osio 9 o9 0 090 SE00 0000 0000 0810 SG OSEO OSEO SE00 0000 0000 0810 F OPEO OFEO SE 00 0000 0000 08L0 00 0 ODED SE00 0000 0000
9. 00500 0500 0500 0500 Tempe 040604040403 040604030405 rature tow 10010 0020 0030 0040 0050 0060 1 r Datalogger Alarm 2 3 4 5 6 Main Menu Set Setpoints Configure M3844 12 Autotune 616 OMEGA CN616 Autotune gi Unit 1 Type K STANDARD CONTROL C Non Latching Hi Lo Alarm 1 eAAutotunel Txt minute Interval SavePath c4 r Datalogger 3 0350 Set Autotune Zone Set Autotune Setpoint Temperature 0 40 3 0c 61 81 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0c 0000 0000 0000 0000 0000 0000 61 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 8l Run Autotune l SE00 0810 0020 SE00 0810 0020 SE00 0810 0020 SE00 0810 0020 SE00 08L0 0020 l Main Menu 9l SE00 0810 Osco SE00 0810 Osco SE00 0810 Osco SE00 0810 Osco SE00 0810 oszo 9l M3844 Sil SE00 0810 0020 SE00 0810 00cO SE00 0810 0020 SE00 08L0 0020 SE00 0810 0020 SL vi SE00 0000 D0 0 SE00 0000 D0 0 SE00 0000 00 0 SE00 0000 D0 0 S100 0000 D0 0 vi E e 2 E s o Profile Segments ZONES Degrees C F Control Mode MSD e 2 w 5 E TE 9 2 o z z o lt O W z O l SE00 08L0 DEO
10. 6 Do NOT power the heaters at this time 42 Setup Power the CN 616 controller 1 MODEL SELECTION To comply with the requirements the following model must be selected Standard control Hi Lo Alarm with Non Latching Relay F Type K thermocouple Looking on page 28 in the Manual the model will be coded as 23 04 2 Hi Lo Alarm 3 Non latching relay F 0 Standard control 4 Type K thermocouple Using procedure outlined on the inside back cover of this reference card load the above model number into the controller NOTE If Function 99 appears during setup it means that the password protection is enabled Follow instructions on page 25 of the Manual to enter the password Password is factory preset at 1011 It may bea good idea to disable the Password protection at this time Use proce dure on page 27 and load 0 in Function 32 If password protection is desired enable the password after the Controller setup is completed 2 ZONEDISABLE Page 27 Since only 4 zones are used zones 5 amp 6 should be disabled Using setup procedure outlined above set 31 within the Function 71 and follow the zone enable procedure in the Manual on page 27 3 ZONE DISPLAY TIME Page 29 Using the setup procedure outlined above set 35 within Function 71 and follow the Zone display time instructions in the Manual on page 29 4 SET SETPOINT Page 29 Using setup procedure outlined on the inside back cover of this refer en
11. ARD mode PROFILE can only be started from Function 79 or the software NOTE For each zone until the PROFILE is started the controller will run that zonein STANDARD MODE controlling at the STANDARD MODE setpoint Function 79 will start the profile for any single zone or all zones at once In the first segment the starting setpoint is set at the ambient temperature and is changed at the rate of slope of the first segment until the first segment setpoint is reached IMPORTANT To avoid overheating zones intended for Profile run MUST have their Standard Setpoints set to 0 Function 36 EXAMPLE Start Profile Function 79 Action Buttonstouse Display Before Display After Enter Setup mode 3 O together D Select Function 79 A 79 O Enter C ed O Ll Select ONE Zone A o D to Start Profile Run L Enter 05 7 5 0 4 03 4 03 Start zone 5 Profile ca L in OR Select ALL Zones A fo 7___ to Start Profile Run LI Enter C Start run on all enabled zones with 1 or more segments in the Profile 48
12. Enter E Un II V L c Set Time use A 10 0 0 0 E E hours to set to 00 00 99 99 Enter and go to Next segment II V m Un ec e WE gt setpoint Repeat Steps 4 6 for all set segments After last segment set by function 74 go to next zone Step 4 7 At any time EXIT 3 C 7 Function together 6 n Example Program a profile with one segment in Zone 1 and two segments in Zone 2 use Function 74 to set Zone 1 to 01 and Zone 2 to 02 make sure Zones 1 amp 2 are enabled Function 71 31 any enabled Zones 3 6 with 00 segments will run under Standard Control Next use Function 75 to program the Temperature Setpoint in Zone 1 Segment 1 to 300 Step 4 Set the Slope to 15 0 min Step 5 Set the Time to 05 00 min Step 6 Time is ignored for control purposes when the Slope Step 5 in the segment is not 0 00 min There are no other segments in Zone 1 Press enter in Step 6 the Zone display lower left on the controller will change to program Zone 2 Segment 1 Step 4 Program the settings for Zone 2 Start the profile with Function 79 A Zone will maintain the Tempera ture of the end segment in a profile indefinitely in Ramp amp Soak 2 47 To run RAMP AND SOAK CN616TC1 MODEL the mode must be set to 51 or 52 Function 71331 Number of segments must be set for each enabled zone Function 74 Setting the number of segments to 90 will set that zone to run in STAND
13. SECTION SECTION 1 INTRODUCTION 1 1 Description ee Re REP re ER 1 2 Features cu se 9 ERE ERN OR RDURUSRA 1 3 IMIGGEISS paiera Eao etapas nude e Rene sedes sts 1 4 Overview of operation sss SECTION2 RS 232 COMMUNICATIONS 2 1 D scriptOl was satu whe eR RS UU REAGDE AE 2 2 RS 232 Cable Connections 2 3 Operating Protocol eee eee eee 2 4 R5 232 PC Screens ek er dow pU Smut aS SECTIONS3 INSTALLATION 3 1 Unpacking uobesinihir 4 e bei 32 Mo fl ngB 3 5 Outline Dimensions s esses ees 3 4 Wiring the Power Circuit 2 3 5 Changing Line Voltage Setting 3 6 Sensor Placement ke ee ee es SECTION4 PARTS OF THE CONTROLLER 4 1 Front of the Controller 4 2 Button Functions 6 ee 4 3 Back of the Controller 6 eee ee eee eee 4 4 Temperature Setpoint Display SECTION5 RUN MODE eere 5 1 PID Control Mode esses 52 RAMP and SOAK CONTROL 5 3 RAMP and SOAK CONTROL2 SECTION 6 SETUP AND OPERATION 6 1 SUMMA oreore i E os GR aus RUS 6 2 SECUN xs dues vs 6 3 setup Control A eis oce er ace mer erem 6 4 Model Setup ii tere eR eds 6 5 Setpoints and Alarms esses 6 6 PID s t g emisse mese seen saves 6 7 segmentcontrol 2 2 e
14. T 3 CONTROLLER PLUG 2 3 Operating Protocol for RS 232 Communications The CN616 Controlleris designed with standard RS 232 three wire serial communication capabilities Upto ten controllers can be parallel con nected to asingle PC The transmission line is held in tristate to avoid cross talk between controllers except when the computer addresses a specific controllerfor communication Configuration BAUD rate 4800 Data bits 8 Parity N Stop 1 Communication software forthe PC is written in Visual Basic This software package has been created to operate on PC Windows 95 platform meetingthe minimumrequirements Customers can communicate with CN616 controllers through a PC by using the following protocol Controllers will not initiate communication The RS 232 Command Module computer or similar device must initiate e Allcommunicationis in ASCII format To start communication the Command Module must send alert code ASCII L hex 4C This commands the controllers to cease RS 232 communication and listen for an RS 232 ID Code The Command Module then sends the Identification Number for the controller that it needs to address ASCII 0 to 9 hex 30 to 39 The identified controller will then expectacommand code All the other controllers on line will wait for the next alert code Command codes are divided into two groups Group 1 Commands CAPITAL requesting data from the controller Group 2 Commands small s
15. an be enabled or disabled within Function 71 Model Setup Whenever FN 99 appears in function window it means that the security is enabled and password must be entered one digit ata time Using button A enter the correct number in the flashing digit then using button gt shift to the next digit and again using button enter the correct number Repeat for all four digits then enter with O button If password is correct the FN 70 will appear in function window Ifnotcorrect the controller will return to the RUN Mode Ifthe process times out the display will return RUN Mode 6 3 Function 70 Function 70 is entered from function 99 or directly from RUN Modeif password security is disabled In function 70 the number 70 is displayed in the function win dow Increment the flashing digit with the button A until required function showsin the upper display function 71 to function 78 then enter the selected function with the button C that will display entered function in function window and 70in the top display Toconfirm the function selection increment the flashing digit with the button A until the upper display matches the function display Atthis pointenterconfirmation ofthe selection with the button If the process times out the display will return RUN Mode If the two displays do not match the con troller willreturn to function 70 To return to RUN mode press two buttons 3 and C together forafe
16. andard control setthe number of segments function 74 for that zone to 0 Torun any zone in PID control mode set the PID zone enable function 43 To disable any zone use function 31 Alarms The CN616 has 4 alarm options set by model select function 33 0 Overheat Alarm 1 Underheat Alarm 2 Hi Lo Alarm 3 No Alarm Overheat or Hialarm is triggered by temperature going over the setpointbeyond boundary set by the hi alarm setpoint To triggerthe 3 alarm the temperature must stay in alarm condition for a few seconds This is to preventa false alarm Underheat or Lo alarm is disabled until enabled zone reach and stay over the setpoint for a set time This is to prevent alarm when starting from cold When Lo alarm is enabled it will be triggered only when confirmed over time same as Hi alarm Hi Lo works the same as Overheat and Underheat alarms No Alarm disables both Hi and Lo alarms Whenany zone goes into an alarm condition zone scan lock is disabled and whenthe alarm zone is displayed the temperature display will flash Hialarm is indicated by flashing left function digit while Lo alarmis indicated by flashing right function digit Incase of latching alarm Hi alarm takes precedence and Hi alarm will show even if both alarms are latched Note Whenever the Run Mode is exited to set or power off all alarms arereset Autotune The PID control constants that are the same for all zones programmed for PID Mode Aut
17. ble for zones not set for PID control All zones under on off control are subject to the same hysteresis setting Profiling The CN616allowsthe process to be controlled under a precise time temperature profile The Profile of each zone can be set within 20 segments Each segment consists of 3 parameters In Setpoint in C or F 2 Slope in C min or F min 3 Timeinhours Note Slope always takes precedence over the time That means that if slope is set then time will be ignored To activate time slope must be set to 0 When slope is set to 0 time is used to calculate the slope for ramp This way finer slope setting is possible Warning In Soak application slope must be set to 0 otherwise time will be ignored and soak will not occur Example of setting Profile Segments Segment 1 Segment 2 Segment 3 Setpoint 0200 0200 0400 0900 080 Time 00 00 01 00 00 00 Starting from the current gob at 200 de g for Climb to 400 deg at temperature go to 200 ho t arate of 8 deg per deg at 4 deg minute minute Slope To start setting a Profile the main display shows the setpoint with the first digit MS flashing Set digits with the A button Then scroll through the display with the gt button After scrolling through 4 digits the display will change to slope The slope has only 3 digits after scrolling through slope main display will show 4 digit time and after time setpoint again To distinguish between setpoin
18. ce card select Function 72 instead of 71 Select sub function 36 Setpoint and follow the procedure 43 On page 29 of the Manual to load the following setpoints Zl 400 F Z2 500 F Z3 530 F ZA 300 F Skip zones 5 amp 6 5 HIGH ALARMS Page 30 Select Function 72 as above select sub function 37 Hi Alarm Follow the procedure Outlined on page 30 in the Manual and set the following alarms Zl 15 F Z2 15 F Z3 15 F ZA 20 F 6 LOW ALARMS Page 30 Select Function 72 as above select sub function 38 Lo Alarm Follow the procedure Since only 4 zones are used zones 5 amp 6 should be disabled Using setup procedure Zl 20 F Z2 I E Z3 20 F Z4 20 F 7 PID CONTROL Pages 31 32 33 Even with the AUTOTUNE system certain parameters must be set manually these are CYCLETIME Minimum recommended 4 seconds HYSTERESIS Typical 1 F PID ZONES Zl Z2 Z3 Z4 COOLING ZONES None Using the procedures outlined on pages 31 32 amp 33 of the manual load the above numbers 44 8 AUTOTUNE SETPOINT AND ZONE Page 35 Using setup procedure outlined on the inside cover of this reference card select Function 76 instead of 71 Read manual page 35 how to set and run AUTOTUNE Write autotune Set point 350 F and autotune Zone 2 9 RUNAUTOTUNE Page 35 Before starting autotune connect power to the heaters Using the above procedure Select Function 77 and follow instruc
19. dvance to the next digit press the button Tosavethe mV setting and start calibration press the button C 6 12 Function 79 Start Profile Function 79 does notcontrol any other function Onentering function 79 the function display shows 79 The zone display shows blank The upper display shows 0 By advancing the flashing digit the operator can select 0 toreturn with no changes 1 to 6 to start profile on any one zone to 6 7 to start profiles on all enabled zones 1 to 6 Toincrementthe flashing digit press the button A Tostart profile and return to RUN mode pressthe button C 37 Open Collector Transistor Diagram for Output Q Q Q Q Q Q Q Q Q AE External Power supply DC Zl 2223 Z4 C C Z5 Z5 Z6 Z6 Upto40 VDC Microprocessor Bus SEES EK 5 VDC Internal Power Supply Note See page 40 for Wiring Diagram of controller outputs 7 1 Thermocouple Ranges 4 e HnAAAASH MAW E K Standard Ranges C Range 0 1800 0 2300 0 500 0 750 0 1000 0 1750 0 1750 0 400 Extended Ranges 0 1000 0 1300 40 Mv F Range 32 3300 32 4200 32 1000 32 1400 32 1900 32 3200 32 3200 32 750 75 Mv 32 1800 32 2500 Note Extended range will work with all Standard range thermo couples but it is better to use Standard range for thermocouples with output below 40 Mv 38 SECTION 8 SPECIFICATIONS No of Zones Six WIRING OF THE CONTROLLER OUTPUT InputRange 0 40mV Standard
20. e e Selectable number of active zones Adjustable Display Time Field Proven Zone Switching Temperature and Setpoint Monitoring Four Digit Display of Temperature Digit Display of Zones e 5 Amp Latching or Non Latching Relay e Standard Thermocouples T E J K S R B C Extended Ranges K and Ethermocouple types Programmable Selection of HI LO or HI LO Alarms Password Protection e ADIN Aluminum Box Splash Proof Face Plug InI O Terminals RS 232 Communication 2 1 3 Models Two Models are available CN616TC1 Standard Range Thermocouple CN616TC2 Extended Range Thermocouple 1 4 Overview of operation On power up the controller enters one of three run modes determined by model configuration function 71 33 Mode 1 00 Standard Control Mode 2 51 Ramp amp Soak 1 end power off Mode 3 52 Ramp amp Soak 2 end run last setpoint Each zone runs as an independent controller except for PID parameters proportional band reset and rate and output cycle time which are common to all zones In on off mode hysteresis is common to all zones Any zone can be disabled or set to run under PID control or on off control heating or cooling independent of other zones If all zones are disabled zone 1 will be enabled by default Each zone can be setup to run as a standard control set independently with function 36 or as a profile ofup to 20 segments set by functions 01 to 20 Toruna st
21. ed to a computer every unit must be set to have a different RS 232 ID code for proper operation In function 34 the function display will show 34 the zone display will be blank and the upper display will display the 1 digit RS 232 ID code To increment the flashing digit use the button To save the settings and return to function 71 use the button Ce 6 4 5 Function 35 zone display time The zone display time function sets the time period that each tempera ture will display in the temperature window The zone display is settable to 1 40 seconds In function 35 the function display will show 35 the zone display will be blank and the upper display will show the two digit zone display time To increment the flashing digit use the button A To advance to the next digit use the button To save the settings and exit to function 71 use the button O 6 5 Function Group 72 Setpoints and Alarms Function 72 controls functions 36 to 38 Onentering function 72 the function display shows 72 The upper display reads 36 To select functions 36 to 38 incrementthe flashing digit with the button PN When the desired function is displayed enter it with the button This will display set function in function display Ifthe process times out the display willreturn RUN Mode To return to function 70 press two buttons gt and together forafew seconds 6 5 1 Function 36 setpoint Thesetpointfunction allows setting the control po
22. ending data to the controller 8 2 3 1 List of data transfer Codes Parameters Code J Code P Protocol from computer Data string 16 characters long zone enable password enable model ID scan time password controller sends string controllerreceive string L3J request for data L3j string of data 77 x0 1204 x9 39 1011 zoneenable code 01110111 binary 654 321 zones Setpoints Code B Code bd Protocol from computer controller sends string controllerreceive string L3B request for data L3b string of data Data string 24 characters long 6 setpoints 4 characters each Highalarms Code C Code c Protocol from computer controller sends string controllerreceive string L3C request for data L3c string of data Data string 24 characters long 6 high alarms 4 characters each Lowalarms Code D Code q Protocol from computer controllersendsstring controllerreceive string L3D request for data L3d string of data Data string 24 characters long 6 low alarms 4 characters each Number of segments Protocol from computer Code F controllersends string Code f controllerreceive string L3P request for data L3f string of data Data string 12 characters long 6 zones 2 characters each 00 to 20 9 Segment parameters Code U controllersendsstring Code u controllerrecei
23. etup mode press buttons gt and C together for few seconds until function 99 or 70 1s displayed in the function display If password protectionis enabled function 99 will request a password Entry ofa four digit password is required to enter function select mode FN 70 The password is set at the factory to 1011 The password can only be changed by the software or at the factory To enter the password use the button to increment each digit use the button D to move to the next digit and O the button to enter the password Entering a wrong password will return the controller to the RUN Mode NOTE Toavoid inadvertent changes to control settings access to every function must be confirmed by reentering function number 23 6 1 Summary Controller setting is organized in 8 major functions and function groups 71 to 78 and their related functions listed below Function71 Model Setup Group function 31 zone enable function 32 password enable function 33 model select function 34 ID for RS 232 function 35 zone display time Function72 Control Setup Group function 36 setpoint function 37 high alarm over setpoint function 38 low alarm under setpoint Function 73 PID Setup Group function 41 cycle time output function 42 hystereses on off deviation from SP function 43 set PID zone function44 proportional band function 45 reset function 46 rate function 47 set COOLING zone Function 74 number of segme
24. gment 1 Setpoint 9999 degrees Slope 99 9 deg minute Time 99 99 hours Infunction 01 thefunction display will show 01 The zone display will show the selected zone The upperdisplay will show the 4 digit current Setpoint To accommo date 3 parameters the upper display will scroll through 3 independent displays To recognize which display is shown each parameter has a different look The setpoint parameter displays 4 digits The slope parameter is displayed with three digits The time parameter is displayed with 2 digits followed by 2 decimal digits Toincrement the flashing digit press the button A To advance to the next digit and scroll press the button 3 To save the segment and advance to the next segment press the button To return to function 75 press two buttons gt and O together for a few seconds 34 Note Only the number of segments set in function 74 are allowed to be set Afterlastsegmentis saved the unit segment setup will advance to the next zone This way all segments are set in sequence Out of se quence segments can be set by returning to function 75 after saving each segment 6 8 2 20 Function 02 to 20 Set Segment 02 to 20 follow the same procedure as Function 01 6 9 Function 76 Set Autotune Function 76 does notcontrol any other function On entering function 76 the function display shows 76 The zone display shows zone 1 The upper display shows the current Autotune setpoint B
25. intof the temperature controller foreach zone This setpointisforSTANDARD CONTROL only Ramp and Soak setpoints are setin function 75 or computer 29 Infunction 36 the function display will show 36 the zone display will show andthe upper display will show the current setpoint Toincrement the flashing digit of the setpoint use the button A To advance to the next digit use the button gt To save the settings and go to the next zone use the button aO To exit to function 72 use the buttons 3 and C together for afew seconds 6 5 2 Function 37 high alarm over setpoint The high alarm function sets the high temperature safety point for each zone above which each zone will go into alarm mode In function 37 the function display will show 37 the zone display will show 1 and the upper display will show the two digit current alarm setting Toincrement the flashing digit of the setpoint use the button nN To advance to the next digit use the button gt To save the setting and go to the next zone use the button O To exit to function 72 use the buttons gt and together fora few seconds 6 5 3 Function 38 low alarm under setpoint The low alarm function sets the low temperature safety point foreach zone below whicheach zone will go into alarm mode To prevent alarming on low temperature during start up the low alarm is disabled until the zone exceed it s setpoint for a set period of time In function 38 the functio
26. isplay is 1 it indicates that the password is enabled To toggle between enable and disable use the button P Tosave setting and return to function 71 usethe button 6 4 3 Function 33 select model The select model function sets the type of unit for alarms relay degrees CorF control mode and thermocouple as per the table In function 33 the function display will show 33 the zone display will be blank and the upper display will show a4 digit model code digit 1 willbe flashing 27 To increment the flashing digituse the button A To advance to the next digit use the button To save the settings and return to function 71 use the button C Four digit model code Digit 1 0 Overheat Alarm Alarm 1 Underheat Alarm Type 2 HI LO Alarm 3 No Alarm Digit 2 0 Latching Rel C Relay 1 Latching Rel F And C or F 2 Non Latching C 3 Non Latching F Digit 3 0 STANDARD CONTROL CONTROL 1 RAMP AND SOAK 1 MODE 2 RAMP AND SOAK 2 Digit 4 0 TYPEB T CTYPE 1 TYPEC 2 TYPEE 3 TYPEJ 4 TYPEK 5 TYPER 6 TYPES 7 TYPET Example To select RAMPAND SOAK 1 With type K thermocouple F with Non Latching HI LO Alarm set MODEL as shown below HI LO Alarm 4 TYPEK Non Latching F RAMP AND SOAK 1 28 6 4 4 Function 34 ID for RS232 The ID code for the RS 232 is the identifying number for each unit connected through an RS 232 line to a computer If two or more units are connect
27. lay is used to 1 Set the Zone Setpoints 2 Enter Passwords 3 Select Functions 4 Setthe Zone Display Time 5 Selectthe Instrument Model 6 Select Run parameters Zone p During CALIBRATION Function 78 the Main Display is used 31 0 5 w 7 S Function LI 1 Setcalibration millivolts 21 SECTION 5 RUN MODE In the RUN Mode the CN616 controls the temperature under the program established during the last SET Mode The RUN Mode is entered every time the controller is powered after a power interruption or itcan be entered manually from the SET Mode by pushing buttons and 2 together SET Mode TIME OUT If the instrument is left unattended for over 2 minutes in the SET Mode the program will switch it back to RUN Mode Three RUN Modes are available 1 00 Standard Control FN 33 Control Mode digit 3 0 2 51 RAMP amp SOAK 1 FN 33 Control Mode digit 3 1 3 52 RAMP amp SOAK 2 FN 33 Control Mode digit 3 2 5 1 PID CONTROL MODE Each one of the six zones is treated as a separate controller and it can run under any one of the following Modes 1 PID enable FN 43 2 Proportional Band PB FN 44 FN 45 amp 46 set toO 3 Proportional Band and Reset PI FN 44 amp 45 FN 46 set to 0 4 Proportional Band and Rate PD FN 44 amp 46 FN 45 set to 0 5 Proportional Band Reset and Rate PID FN 44 45 amp 46 6 Disabled OFF FN 31
28. n display will show 38 the zone display will show I and the upper display will show the two digit current alarm To increment the flashing digit use the button To advance to the next digit use the button To save the setting and go to the next zone use the button C To exit to function 72 use the buttons gt and C together fora few seconds 30 6 6 Function Group 73 PID Setup The functions in group 73 allow the operatorto examine and orchange the PID constants including those generated by autotuning Function 73 controls functions 41 to 46 Onentering function 73 function display shows 73 The upper display shows41 To select the desired function 41 to 46 increment the flashing digit with the button P When the desired function is displayed enter it with the button C This will display the selected function in the function display Ifthe process times out the display will return RUN Mode To return to function 70 press two buttons gt and together forafew seconds 6 6 1 Function 41 Output cycle time 99 9 sec This function allows the operator to examine and change the Output cycletime In function 41 the function display will show 41 the zone display will be blank and the upper display will show the three digit current Output cycletime setting Toincrementthe flashing digit press the button A To advance to the next digit press the button To save setting and exit to function 73 press the button C
29. ne display shows zone 1 The first and second digits in the upper display shows the current number of segments for the displayed zone Toincrement the flashing digit press the button A Toadvanceto the next digit press the button gt To save the settings and go to the next zone press the button C To exit to function 70 use the buttons 3 and together for a few seconds Note The number of segments is restricted to 20 for each zone Setting 0 segments will force the controller torun that zone in a STAN DARD Mode using setpoint set by function 36 This allows a mix of zones running STANDARD Mode and PROFILE 33 6 8 Function Group 75 Ramp and Soak Function 75 controls segment functions 01 to 20 Onentering function 75 the function display shows 75 The upper display will read 01 The zone window will show 1 To select the segment and zone to be set enter the segment number and zone Note thatthe segment numberis restricted by the number of segments setin function 74 Toincrementthe flashing digit press the button A To advance to the next digit segment and zone number press the button gt To enter the segment to be set press the button C On entering segment display will advance to the next segment If the last segment of that zone is entered then display will advance to the first segment of next zone To return to function 70 press two buttons gt and CQ together forafew seconds 6 8 1 Function 01 Set Se
30. nts for each zone Function 75 set segments function 01 segmentO zone 1 to 6 to function 20 segment20 zone 1 to6 Function 76 set setpoint and zone for autotune Function 77 autotune function 61 autotune stage 1 function 62 autotune stage 2 function 63 autotune stage 3 Function 78 calibrate Function 79 Start Profile 24 EXAMPLE Set High Alarm Setpoint over setpoint Action Enter Setup mode Select Function Group Enter Function Group Confirm Selection Enter Select SubFunction Enter repeat for each zone Set Values one button at a time Enter and go to next Zone EXIT setpoints EXIT SubFunction EXIT Function 25 together n O n O n O n o Boo together together BG o together td amp S 5 un pui o er un Cc J z E we ty g o T J un E E g Ee A BE II V a x eli omg allaa nja ARISE ll ll V V Oz N i C J I N V N 05 N 0 E2 OC 36 37 O 72 0 Ez o E W S E o a ll V E So S N Un E i27 S II V W NJ m N 12 E II V alo NYA aljo r3 I 9 II V NIN ol A Oe O Sl ole M Aro 6 2 Function 99 Security Security password protects all setup functions from accidental or unauthorized modifications The security password is factory preset At 1011 and it can be changed only under RS232 computer pro gram The security c
31. ny single zone or all zones at once In the first segment starting setpoint is set at the ambient temperature and is changed at the rate of slope of the first segment 45 EXAMPLE Set Number of Profile Segments in each Zone Action Enter Setup mode Select Function 74 set the number of profile segments in each zone Enter Confirm Selection Enter Set the Number of Profile Segments Enter the zone number increments repeat step 4 for the next zone EXIT Function at any time to set to 00 20 Buttons touse Display Before Display After 0403 71 O fol L 1B 74 O fol 74 7o O Go L1 fa zo J pa 7 O F4 z4 jJ O 74 oo vs 5 vo O pg CB Ex Elfe Un Y Al Il V JR A E EXAMPLE Program Profile Segment Settings Set Profile Setpoint Slope amp Time for each Segment in each Zone Large profiles are easily entered using the software They can be modified manually using this procedure Action Enter Setup mode Select Function 75 setthe profile segment settings in each zone 46 Buttonstouse Display Before Display After 0403 77 si O 71 ME 75 O 79 I Un I V I Enter O L O 3 Confirm Selection A 70 CJ Enter s CJ 4 Set Temperature use Qe A 0400 Setpoint to set to 0000 9999 Enter O _ 9 0 o o 5 Set Slope SC 3 amp A gt 01 5 H E degrees min to set to 00 0 99 9
32. orr ERERE Rp 6 8 RampandSoak 22 e mem 6 9 Set Autot ne l22sceie ht de owed sds 6 10 Run Autot ne cosine EUER CREER 6 11 Calibration uiae sce didis n dentin ee pute pss 6 12 Start Profile iboctesreeR IRR VR Mee e ep 7 1 Thermocouple Ranges sees SECTION 8 SPECIFICATIONS Table of Contents PAGE 00 1 1 J O2 Q2 t2 P2 P2 SECTION 1 INTRODUCTION 1 1 Description The CN616 Series is a second generation of industrial temperature controllers based on the field proven CN100 six zone temperature monitor alarm system Two models are available standard and ex tended range The CN616 Series is a microprocessor based temperature controller which accepts signals from thermocouples Six zones are sequentially scanned at 15 readings per second 60 Hz and displayed with a selectable display rate of 1 to 40 seconds each zone A single output relay is provided to indicate an alarm condition on any one zone Six PID time proportional oron off outputs are providedto control six zones The faceplate has been arranged to call attention to an alarm condition by flashing the main temperature display and indicating the zone in alarm witha flashing zone number display The CN616 Series implements a security password to protect all functions 1 2 Features e Six Zones e Selectable control mode PID or On Off each zone e Selectable cooling control mode On Off only each zone 20Segment Profile foreach zon
33. osio oeco 0cEO Szo0 0000 0000 0810 0870 0020 sjuauiBag 9JJOJg 19S 19 093u07 9ISNOBVOANO 9 olJg S m Return Run M SCAN SPEED a Mj Main Menu Configure Load Change Set Profile M3844 14 13 SECTION 3 INSTALLATION 3 1 Unpacking Uponreceipt of shipment inspectthe containerand equipment for any signsof damage Take particular note of any evidence of rough handling intransit Immediately report any damage to the shipping agent Remove the packing list and verify that all equipment has been received Each package should contain Controller CN616 Operator s Manual RS 232 Software Two mounting slides with screws Power plug 9 pin RS 232 plug 3 pin Two T C plugs 6 pin Two Output plugs 6 pin Ifthere are any questions about the shipment please call the Customer Service Department NOTE The carrier will nothonor any claims unless all shipping material is saved for theirexamination After examining and removing contents save packing material and carton in the event reshipmentis necessary 3 2 Mounting Select alocation for the controller that is free from excessive shock vibration dirt moisture and oil Mount the controller into a3 5 8 92mm square cutout The controller as shipped is 1 4 DIN 92mm square so it does not have to be removed from it s housing to be mounted Remove the two screws that secure the mounting slide
34. otuning can be done on any one zone selected for the Autotuning The system parameters are measured during autotuning by supplying full power output to the system until the autotuning setpoint is reached then the output power is switched Off allowing the tempera ture to overshoot and then drop down freely back to the autotuning setpoint Then the power is switched on again until setpoint is crossed At that point autotuning is completed the PID constants are calculated and stored in memory until the next autotuning or manual changes are made For best results the autotuning setpoint should be as close as possible to the control setpoint However since the temperature will overshoot the autotuning setpoint during the autotune by the full propor tional band Systems that cannot tolerate that temperature should have autotuning setpoint one proportional band value below the control setpoint Setting of the controller can be entered from run mode by pressing two buttons together that will request password function 99 unless password is disabled then controller will go into function 70 whichis the function select 4 PID All zones set for PID use the same PID parameters 1 e Proportional band Reset and Rate These are derived from autotuning or manual setting To achieve closest control the slowest zone should be chosen for the autotuning If control is not optimal manual adjustment may be advisable On Off On off control is availa
35. play Functions Advance Digit Button ry 1 Advances flashing Digits 2 Advances Zones Load Button l Lock zone scan during RUN MODE Note Zone scan is unlocked by the shift button gt or by an alarm condition In alarm state zone scan can not be locked 2 Load set parameters into the memory in SET MODE Shift Button amp Load Button together 0 0 1 Enter FUNCTION SELECT MODE 2 Exits FUNCTION SELECT MODE 3 Resets Alarm during RUN MODE 19 4 3 Back of the Controller RS 232 Port Line Voltage and Jumpers O LINE VOLTAGE RS 232 RELAY y 240V Lv C IN OUT NC NOC E ooo ooo0oo0o00000 0 OUTPUT SPDT Relay Connect DC Z1 Z2 Z3 Z4 C C Z5 Z5 Z6 Z6 DC THERMOCOUPLES WARNING Line Voltage see Pg 16 p N Red Wire RS 232 Port Cable connection see Section 1 3 C Common Pin5 IN Input Pin 3 9 Pin Comport OUT Output Pin 2 Relay NC Non energized Closed NO Non energized Open C Common Line LV 120V AC or 240V AC cable Jumpers Determines voltage input see Section 3 4 20 4 4 Temperature Setpoint Display Main Display During RUN MODE the Main Display is used to monitor zone temperatures check setpoints and indicate ALARM conditions 0 5 2 2 Temperature 3 Run Mode By pressing and holding button The display will change to 0520 Setpoint Zone Run Mode Flashing During operator programming in FUNCTION SELECT MODE the Main Disp
36. s Remove the slides and insert the case into the cutout from the front side of the panel Reinstall the two slides and two screws The length of the slides must be reduced if the controller is to be mounted in an extra thick panel 15 3 3 Outline Dimensions 3 62 92mm en mnm 3 62 2mm N NS T 3 4 Wiring the Power Circuit Theline voltage forthe controlleris selected by an external jumper assembly to operate either on 120V AC or 240VAC 10 50 60Hz factory wired for 120V AC Itis very important that the proper line voltage is connected to the instrument If 120V AC is connected to a 240V AC model it will not work properly A 120V AC instrument connected to 240V AC will overheat and burn the input transformer WARNING The controller is powered with either 120 or 240 VAC To avoid electric shock or fatality hazards the power to the controller lines must be switched off at the main switch or circuit breaker before the controller A C wiring including the line selector jumpers can be handled 16 3 5 Changing Line Voltage Setting Programthe input line voltage by placing jumpers on the line plug as shown moe mr d d du O S OO O90 LINE Placement S o Q O WARNING Line Voltage see Pg 16 LINE 120VAC 3 6 Sensor Placement Proper sensor placementis essential Itcan eliminate many problems in the total system The probe should be placed so thatit can detect any temperature change with little
37. splay reads 61 The zone display shows the zone set for autotuning The upper display shows current temperature When the top display and function display are flashing the power is turned on When temperature reaches the Autotune setpoint the power goes off and the function display shows 62 On completion of the autotuning the controllerreturns to RUN Mode To stop the autotune press two buttons gt and O together 6 11 Function 78 Calibration Calibration is performed by inputting DC MV from a low Impedance source 10Ohm andentering the precise value ofthe MV intothe display UNIT WIRING Using copper wire connect the positive and negative terminals of the Input Connector to a precision millivolt meter and a low output impedance source 10 ohm or less set to 30m V 2mV input Parallel connect all thermocouple terminals of the Input Connector as shown GEEEEE COPPERWIRE 30mV 2mV NOTE To avoid any interference during calibration disconnect the RS 232 wires from the controller 36 Onentering function 78 the function display will read 78 The upper display shows 30 00 mV setting EntertheexactmV as measuredby the millivolt meter The main display will flash all zero s During this period the controlleris checking calibration so do notalterthe mV reading When the flashing stops the calibration is complete and the controller will return to RUN Mode Toincrementthe flashing digit pressthe button A To a
38. st be set up correctly for the application The unit can be set manually or by the computer through RS232 link Up to 10 units can be connected to a single RS232 port The computer program is intuitive and does not require explanation There are two features that can not be set by the computer jn Calibration This requires lab setting for accuracy 2 Unit number To avoid conflict in communication If number of units are linked together care must be taken to avoid duplication of unit identification numbers CN616 has 3 operating modes l STANDARD MODE 2 RAMP AND SOAKI Profile 3 RAMP AND SOAK2 Profile The difference between RAMP AND SOAK1 amp 2is what happens at the end of profile run In RAMP AND SOAK 1 after last segment is finished the power is turned off while in RAMP AND SOAK2 after the last segment is finished the temperature will be controlled at the last setpoint indefinitely or until profile is started again STANDARD MODE Setpoints for STANDARD MODE are set in function 36 Each zone runs independently of other zones I e zone 1 may have PID control zone 2 may have on off control and zone 3 may be set to cooling outputs reversed The only common things to all zones are PID parameters and thermocouple type Any zone can be turned off during run by function 31 RAMP AND SOAK Profile MODE Setpoints for Profile are set in function 75 01 to 20 To run Profile model code must be set to 51 or 52 function 33
39. t slope and time setpoint has 4 full digits slope has 3 digits with decimal point after second digit and time has 4 digits with a decimal point after second digit When all parameters are set save data with the C button Saving data will advance display to the next segment Autotune zone1 Run zones 1 2 3 amp 4 2 Zones PID 4Zones Profile Run REENEEHBNEEENENENENENENEENNNEEE LEES EIE a uL T ET ee LE dL HAL Pt ee Oe BGP LL Sl T E 3 o C W 5 amp D w i v ce E v Time in minutes SECTION2 RS 232 COMMUNICATIONS NOTE Minimumrequirements to run RS 232 software is aPC computer with Windows 95 2 1 Description Up to ten controllers can be connected in parallel to a single RS 232 communications porton a PC Each controller is assigned a serial number from 0 to 9 known as the RS 232 ID code The com puter uses these numbers to determine which controller unit to address ata given time Each controller must have adifferent ID A simple set of menus is provided in the software which allows the operator to change the settings of each connected controller unit and display individual operating parameters For users with advanced software capabilities see Section 2 4 for an operating protocol 2 2 RS 232 Cable Connections 9 PIN COMPORT c 5 IN 3 WIRE CABLE 3 OUT 2 CONTROLLER PLUG 25 PIN COMPORT C 7 IN 3 WIRE CABLE 2 OU
40. thermal lag In a process that requires fairly constant heat output the probe should be placed close to the heater In processes where the heat demand is variable the probe should be close to the work area Experimenting with probe location can often provide optimum results Some units are shock sensitive and require care in handling and installation To avoid current feedback from zone to zone and from zone to RS 232 communications ungrounded thermocouples are recommended Thermocouple wires should not be placed in the same conduit as the power lines 17 SECTION 4 PARTS OF THE INSTRUMENT Temperature Setpoint Display Temperature Scale Selection Zone Setting U L Function Settin Zone Function Set Shift Reset Button Load Button Advance Digit Button Temperature Setpoint Display Main display with multiple functions Temperature Scale Selection Choice of C or F Function Setting Indicates the operating status of the instrument Zone Setting Indicates an active zone or a zone thatis being set Set Shift Reset Button Used to select digits during setup or to unlock the display scan AdvanceDigit Button Used to increment selected digit Load Button Used to accepta setting orto lock display zone 18 4 2 Button Functions Thereare three flatpad buttons provided and two combinations of buttons forseparate functions Shift Button gt 1 Selects Digit 2 Unlock Zones scan 3 Switches Main Dis
41. tions on page 35 of the Manual The autotune Process will start and will be completed within few minutes or few hours depending on the time constants of the furnace system Upon completion the controller will Control the tem perature of the furnace within the specified parameters SETTING CN 616 TC1 TO CONTROL 4 ZONE FURNACE TO RUN IN RAMP AND SOAK1 MODE Profile The difference between STANDARD MODE and RAMP AND SOAK MODE is that in RAMP AND SOAK controller can run up to 20 control segments for each zone The first segment for each zone is made up of target temperature and rate of change ramp Subsequent segments are made up of setpoint slope and time Only one parameter slope or time need to be set If time is set when new setpoint is different from the previous one time will be converted to slope The other parameter should be set at 0 If slope is set for the segment with no change in setpoint the segment will be ignored and control will go to the next segment Torun RAMP AND SOAK CN616TC1 must be installed and set up as described in STANDARD MODE then MODEL mode must be changed to 51 or 52 function 33 p37 Setnumber of segments function 74 p33 And set segments function 75 sub function 01 to 20 p34 When all is set correctly to run PROFILE it must be started by function 79 p37 Until PROFILE is started controller willrunin STANDARD MODE controlling to the STANDARD MODE setpoint Function 79 will start profile for a
42. ve string Protocol from computer L3U request for data for zone 1 L3u string of data for zone 1 Data string 240 characters long Segment data zone 1 20 segments 12 characters each segment 9999 setpoint 9999 degrees 0999 slope 99 9 degrees minute 9999 time 99 99 hours Segments Codes V to Z same format as code U Code V zone 2 Code W zone 3 Code X zone 4 Code Y zone 5 Code Z zone6 Temperatureandalarms Code T controller sends string Protocol from computer L3T request for data Data string 28 characters long temperature of 6 zones and alarms 9999 temperature zones 1 2 3 4 5 amp 6 77 highalarm 77 lowalarn Start Profile Code p controllerreceivestring Protocol from computer L3p string of data Datastring 2 characters long zF z 0 to 6 zone to profile 7 all zones F filler Currentsetpoints Code R controllersends string Protocol from computer L3R request for data Data string 24 characters long Setpoints of 6 zones 9999 Setpoint zones 1 2 3 4 5 amp 6 updated by profile 10 PID parameters Code Code Protocol from computer Data string 22 characters long K controller sends string K controllerreceive string L3K request for data L3k string of data 9990 cycletime 99 90 seconds 99 hystereses 99 degrees 77 PID zone enable 0111 0111 9999 proportional band 9999 degrees
43. w seconds Function Set up Control 6 4 Function Group 71 Model Setup Function 71 controls functions 31 to 35 Onentering function 71 the function display shows 71 The upper display shows 31 To select functions 26 32 35 increment the flashing digit with the buttor 9 When the desired function is displayed enter it with the butong This will display the desired function in the function display Ifthe process times out the display will return RUN Mode To return to function 70 press two buttons gt and C together forafew seconds 6 4 1 Function 31 zone enable The zone enable function is used to enable disable any or all ofthe zones individually If all ofthe zones are disabledthen zone one will remain enabled by default In function 31 the function display will show 31 the zone display will show 1 and the upper display will be blank Ifthe zone display is flashing itindicates that the current zone is dis abled To toggle between enable and disable use the button gt To advance to next zone use the button To save the settings and return to function 71 use the button C 6 4 2 Function 32 password enable The password enable function turns on off the password protection for changing the settings for the unit In function 32 the functiondisplay will show 32 the zone display will be blank and the upper display will flash Oor 1 If the display is 0 it indicates that the password is disabled If the d
44. y advancing the flashing digit the operator can scroll through the top display and the zone display and set the Autotune setpoint amp zone To increment the flashing digit press the button A To advance to the next digit with press the button gt To save the settings and return to function 70 press the button C 6 10 Function 77 Run Autotune The PID control constants that are the same for all zones programmed for PID Mode Autotuning can be done on any one zone selected for the Autotuning The system parameters are measured during autotuning by supplying full power output to the system until the autotuning setpoint is reached then the output power is switched OFF allowing he tempera ture to overshoot and then drop down freely back to the autotuning setpoint The power is switched ON again the temperature will fall below the setpoint and rise up to the setpoint At that point autotuning is completed the PID constants are calculated and stored in memory until the next autotuning or manual changes are made For best results the autotuning setpoint should be as close as possible to the control setpoint However since the temperature will overshoot the autotuning setpoint during the autotune by the full proportional band Systems that cannot tolerate that temperature should have autotuning setpoint one propor tional band value below the control setpoint 35 Function 77 initiates unit autotuning Onentering function 77 the function di
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