IJ Instruments Ltd. IJ-7 DEMO MODULE MANUAL AND QUICK
Contents
1. Instruments Ltd J DEMO MODULE MANUAL AND QUICK START GUIDE CAUTION HOT MAXIMUM 126 C CONTROL SSR ED i s a i xd VALARM 12VU 5A http uww eye jayinstruments com MANUAL VERSION 1 3 FOR SOFTWARE VERSION 1 4 IJ 6 HARDWARE REVISION C 1J 7 HARDWARE REVISION D 1 TABLE OF CONTENTS e mo ms mossen 3 GE ee 0 00 511 11111100 1311 11 311111 3 2 0 111111111111111713111110 3 gt PCC INO ECS 1 1 751 7 3 6 mb bm iii obi 1190 4 6 1 tb ei 4 6 2 OW mi o A 1110 5 7 811 7 7 1 24 TT EE 7 7 2 MEN o ER SS 7 7 3 shi 8 7 4 070 7 77 777 0 9 7 5 cats tahoe 1 1 7 10 7 6 TN 10 8 Temperature SPAN Ne 12 9 Product Disposal Instruccion anni 777 0 12 10 EEE EEE E EE NE A 12 11 FANN 13 2 INTRODUCTION This module can be used to demonstrate the basic operation of the lJ 6 software based temperature controller After initial setup several experiments are described which explore different functions of the control software 3 SPECIFICATIONS PINOUT Power 12VDC 0 5A maximu2. Select PID power mode under Power control The temperature will increase and stabilise at 40 C The resulting power should be around 7 5 Once the temperature is stable select the manual mode under Power control The power is instantly stepped to a constant 20 and the temperature rises in a curve This curve could be used for open loop tuning Once finished select Off under Power control and allow to cool Fig 8 shows the result Temperature control software v1 4 Device serial number 06 BZ98R 4RK7 Power control C Off ADC settings Setpoint Zero 16000 lt Update Gain 472 94 bits mv Samples 1000 Logging Qutput file Browse Kp 3 Skip values 1 Cycle time s 0 455 2 Temperature Update Process Power Thermocouple type K PID parameters Use GS factors Power switched to 20 manual Process or setpoint temperature C Ti 40 iv Y Time Td 4 E 25 3 35 VW Ambient temperature V Process temperature E I Setpoint temperature Output power Load file Clear file Start Resetintegral Not logging Time minutes Ambient C 3 5 2 5 3 Time minutes Setpoint amp program control Relay 1 Manual setpoint C 40 9 Manual Temperature Programmed ON OFF Display Load Greater than vi 30 lor y less than p Maximum time minutes 5 5 El Reset display Screenshot Relay 2 Start Stop Ho
3. Gain 472 94 bits mi Samples 1000 Power Thermocouple type K gt Logging PID parameters Use GS factors Qutput file Browse Kp 30 7 Skip values 1 v lv Time Td 4 Y 1 5 2 MW Ambient temperature I Process temperature E V Setpoint temperature MW Output power Load file Clear file Start Not logging Process or setpoint temperature C 3 5 25 3 Time minutes Ambient C da E 3 5 Time minutes Setpoint amp program control Manual setpoint C 60 9 Manual Temperature Programmed ON OFF Display About Load Greater than v 30 or vl less than 0 Maximum time minutes 5 5 Exit program Reset display Screenshot Relay 2 Start Stop Hold Manual Temperature C Programmed ON OFF Concer une Greater than vi 100 lor y less than v 2 Cursor temperature Fig 7 PID control example 7 2 MANUAL CONTROL Use Pl only control to hold temperature steady at a setpoint and then switch to manual power mode This is useful for example in open loop tuning see Section 7 2 2 of the IJ 6 manual Set software as in initial setup Do the following 1 Enter 40 into Manual setpoint Enter 20 into the manual povver control box under Povver control but do not yet select manual mode Enter K 3 T 40 into the respective PID parameter boxes and tick only the top two Use boxes to enable only the proportional and integral terms
4. the block is about 12mm deep 2 Connect a shorting link as shown This makes the controller use a local ground reference see Section 8 2 3 of the IJ 6 manual for further details 3 Connect the SSR output of the IJ 6 controller to the SSR input of the IJ 7 module ensuring correct polarity Connect the 2 relay output of the IJ 6 to the relay inputs of the IJ 7 Polarity is not important 5 Lastly connect the IJ 7 to a source of 12V power capable of delivering at least 0 5A and switch on both the IJ 6 and IJ 7 IJ 6 Temperature Controller Thermocouple SSR universal O RLY1 RLY2 maxim IJ 7 Demo Module Shorting link Thermocouple 9 12V 8 5A http uuu eye jayinstruments com UD Fig 2 Connection details Photos of the initial setup are shovvn in Fig 3 and Fig 4 6 2 Fig 3 Overall vievv rit MAXIMUM From 12V To from power controller 3 L L y ALARM 12U 5A http uuu eye jayinstruments Com Fig 4 Closeup of IJ 7 module showing connections SOFTWARE Start the software Adjust all values to those shown in Fig 5 except the values for Zero and Gain which will already have been set during the initial software configuration see Section 6 2 3 of the IJ 6 user manual NR Set Power Control to Off Choose 0 455 cycle time and click update Under ADC Settings enter 1000 s
5. amples Choose a K type thermocouple Un check the three Use boxes under PID Parameters Under Setpoint amp program control enter 20 in Manual setpoint Set both relay control modes to Manual Set graphical display values to those shown in Fig 6 and click Reset display 8 Ensure the process temperature shown is initially around 20 30 C Use a small fan if necessary to cool the module Temperature control software v1 4 Device serial number 06 BZ98R 4RK7 Power control Off Cycle time s o 455 El Ambient Temperature C PID C Manual 0 Update Process ADC settings Setpoint Zero 16000 lt Update Gain 472 94 bits mi Samples 1000 Power Thermocouple type K Logging PID parameters Use GS factors Qutput file Browse Kp 30 r Skip values 1 amp a lv Time Td 4 a 15 LE 3 5 I Ambient temperature Time minutes iv Process temperature E V Setpoint temperature V Output power Load file Clear file Start _Reset integral Not logging Process or setpoint temperature C Ambient C ED OE 3 5 Time minutes Setpoint amp program control Relay 1 Manual setpoint C 20 e Manual Temperature Programmed ON OFF a About Load Greater than 30 lor y less than 0 Exit program Relay 2 Start Stop Hold e Manual Temperature Programmed ON OFF 3 Cute Greater than vi 100 lor less than vi 26 Cur
6. e radio frequency energy and if not installed and used in accordance vvith the instructions may cause harmful interference to radio communications Hovvever there is no guarantee that interference vvill not occur in a particular installation If this equipment does cause harmful interference to radio or television reception vvhich can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help 6 INITIAL SETUP It is assumed that the software drivers and control has already been installed amp configured see introduction to Section 6 of the IJ 6 manual and that the user is familiar with how to input data Section 6 2 2 of the IJ 6 manual Start with the software initially closed 6 1 HARDWARE With both the IJ 6 and IJ 7 switched off connect them as follows refer to Fig 2 1 Plug the thermocouple into the socket on the IJ 6 controller It can only be inserted one way because of the different sizes of the pins Insert the other end of the thermocouple fully into the hole in the small aluminium block on the IJ 7 module Do not force the thermocouple the hole in
7. ld e Manual Temperature Programmed ON OFF Per kos 7 3 Greater than 100 or vi less than Cursor temperature Fig 8 Switching to manual power GAIN SCHEDULING Demonstrates how to use gain scheduling to vary the PID parameters with temperature Note that for the IJ 7 module the PID parameters do not vary much over the temperature range of interest but this experiment demonstrates the principle Set software as in initial setup Do the following Obtain the gain scheduling file either from the CD enclosed with the IJ 6 module or from the Downloads section of http www eyejayinstruments com Copy or save the file to your Desktop The file is called IJ 7_Gain_Schedule txt Under PID parameters click Load file and select the gain scheduling file you saved in step 1 Click Open 3 Under PID parameters enter 0 6 0 5 0 125 into the three GS factors boxes These are the gain scheduling factors which will be used to calculate the PID parameters from the critical gain and period stored in the gain scheduling file These are the standard Ziegler Nichols factors and result in a rapid response with some overshoot 4 Under PID parameters tick all three Use boxes Tick Enable gain scheduling 5 Under Power control switch to PID 6 Enter 60 into Manual setpoint 7 The temperature will begin to rise Notice how the PID parameters vary slightl
8. m Maximum temperature 120 C Temperature rise rate Approx 1 C s Controller connections SSR input to operate heater Relay input to operate warning buzzer Indicators DC power heating and buzzer There is a small sticker on top of the buzzer saying Remove seal after washing Leave this in place since it helps to quieten the buzzer Fig 1 shows various features of the module Aluminium thermal Heating LED block heating element lights when heater is on DC power LED CAUTION HOT Off on switch MAXIMUM 120 C Connections to temperature controller DC power input http uuu eyejayinstruments com 1J 7 ALARM 120 0 5A Alarm buzzer Alarm LED on when relay lights when buzzer input is closed on Fig 1 Module layout 4 SAFETY Please observe all safety precautions listed in the IJ 6 controller user manual 5 FCC NOTICE This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation This equipment has been tested and found to comply vvith the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiat
9. module Set software as in initial setup Do the following 1 Under Relay 2 use the ON OFF buttons to manually switch the relay Note how the indicator in the software the corresponding LED on the IJ 6 front panel and the buzzer alarm LED on the IJ 7 module all act together 2 Switch Relay 2 off 3 To experiment with temperature control of the relay output choose Temperature under Relay 2 to select the temperature controlled mode 4 Under Relay 2 configure the boxes so they read Less than 50 and greater than 40 as shown in Fig 10 This will turn Relay 2 and hence the buzzer on when the temperature is between 40 C and 50 C 5 Now enter 50 in the Manual box under Power control and enable the manual mode to start heating 6 As the temperature rises through the 40 50 C range note how the relay is automatically switched on 7 Turn the power Off and allow the module to cool Again on cooling the relay switches on in the 40 50 C range Fig 10 shows the relay configuration for the temperature controlled mode Relay 2 C Manual e Temperature Programmed 7 Less than v 50 land greater than v 40 Fig 10 Relay settings for temperature control 7 5 FILE LOGGING Demonstrates how to log data to file Set software as in initial setup Do the following 1 Under Logging click Browse and choose an output file to save data to For exam
10. oduct is classified as Electrical or Electronic Equipment and should not be disposed with other household or commercial waste at the end of its working life The Waste of Electrical and Electronic Equipment WEEE Directive 2002 96 EC has been put in place to recycle products using best available recovery and recycling techniques to minimize the impact on the environment treat any hazardous substances and avoid the increasing landfill When you have no further use for it please dispose of the product as per your local authority s recycling processes Business users should ensure that this product is not mixed with other commercial waste for disposal 10 CONTACT SUPPORT Dr Lindsay Robert Wilson IJ Instruments Ltd 73 Harburn Road West Calder West Lothian EH55 8AT UK Web http www eyejayinstruments com Email sales eyejayinstruments com 11 REVISION HISTORY v1 3 15 04 13 Updated screenshots to match latest softvvare version v1 2 19 11 12 Updated to refer to latest version of PCB v1 1 02 07 12 Modifications to setup section v1 0 27 06 12 Initial 13
11. oxes Under PID parameters tick all three Use boxes and tick Enable gain scheduling oe Under both Relay 1 and Relay 2 set the control mode to Programmed 10 7 Under the graphical display settings set the maximum time to 45 minutes upper min max temperature range to 30 C 80 C and the HX gridlines to 11 Click Reset display 8 Under Power control switch to PID 9 Under Setpoint amp program control click Start to start running the program The setpoint temperature is now under control of the external program 10 Temperature will be held constant at 40 C for 10 minutes 11 Relay 1 is then turned on only the indicator will light since the relay 1 output is not connected to anything 12 Temperature will rise to 70 C over the next 15 minutes 13 Relay 1 is turned off 14 Temperature will be held constant at 70 C for 5 minutes 15 Relay 2 and the buzzer is turned on The program pauses and waits for the user to resume it 16 Click Start again to resume the program 17 Temperature will fall to 60 C over the next 5 minutes 18 Relay 2 and the buzzer is turned off 19 The program stops and the temperature falls naturally Fig 11 shows the result o Temperature control software v1 4 Device serial number 06 BZ98R 4RK7 Power control C Off Cycle time s 0 455 vi e PID C Manual 20 Update Process ES Tem
12. perature ADC settings Setpoint Zero 16000 lt Update Gain 47294 bits mv Samples 1000 Thermocouple type K v Logging PID parameters Use GS factors Qutput file Browse Kp 132 IG 6 Skip values 1 Ti 146 7 5 V Time Td 3 65 VW 12 15 20 25 30 I Ambient temperature Time minutes W Process temperature I Enable gain scheduling V Setpoint temperature Output power Load file Clear file Start _Resetintegral_ 0 15 20 25 Not logging Time minutes Process or setpoint temperature C Ambient C Setpoint amp program control Relay 1 Manual setpoint C 20 C Manual Temperature Programmed Load Greater than y 30 arv less than v 0 SAA Draw width pixels 2 Relay 2 X gridlines 9 Y Show Start Stop Hold C Manual Temperature Programmed 3 Y gridlines upper 110 Y Show Stopped Greater than vi 100 lor y fless than 26 Y gridlines lower 2 I Show Fig 11 Example program 11 8 TEMPERATURE VS POVVER Fig 12 shovvs the steady state temperature reached by the module versus the applied heater povver assuming an ambient temperature of 20 C 130 120 110 o 90 80 70 60 50 40 30 20 Steady state temperature C Power Fig 12 Steady state temperature vs applied power ambient temperature 20 C PRODUCT DISPOSAL INSTRUCTIONS The symbol shown here and on the product means that the pr
13. ple data as output txt on the Desktop Make sure to enter the extension txt since the format will be tab delimited text Click Save 2 Under Logging ensure all checkboxes are ticked This will save all possible variables to file Under Logging click Start to start recording data to file To record something of interest enter 50 in the Manual box under Power control and enable manual mode The temperature will start rising 5 After a while turn the power Off 6 Under Logging click Stop to stop the logging You can now open the log file and examine it If Start is clicked again more data will be appended to the existing log file To erase the log file click Clear file 7 6 TEMPERATURE PROGRAM This will take about 35 minutes to run and will demonstrate a temperature profile program Set software as in initial setup Do the following 1 Obtain the example program file either from the CD enclosed with the IJ 6 module or from the Downloads section of http www eyejayinstruments com Copy or save the file to your Desktop The file is called IJ 7_Example_Program txt 2 Under Setpoint amp program control click Load program and choose the file you saved in step 1 Click Open Load the gain scheduling file as described in Section 7 3 Under PID parameters enter 0 6 0 5 0 125 in the three GS factors b
14. sor temperature Fig 5 Initial setup Maximum time minutes 5 F i Temperature Reset display Screenshot Time minutes Process or setpoint temperature C Time minutes Cursor time l Ambient C Cursor temperature Display Tites Lines Display Titles Scale Upper min max C MW Draw width pixels 2 Lower min max C 15 5 o X gridlines 11 lv Show Y gridlines upper 10 lv Show Y gridlines lower 2 lv Show Fig 6 Graphical display settings 7 EXPERIMENTS Here are some experiments to try Feel free to try different parameters Zl PID CONTROL Demonstrates using full PID control to hold the temperature at the setpoint Set software as in initial setup Do the following 1 Under PID parameters enter K 30 T 25 Ty 4 into the three PID parameter boxes and tick all three Use boxes Click Reset display Set Power Control to PID Enter 60 in the Manual setpoint box The temperature should start rising and stabilise at 60 C after a few minutes e ly Once done set Power Control to Off and allow the module to cool or use a fan Fig 7 shows the result Temperature control software v1 4 Device serial number 06 BZ98R 4RK7 Power control Off Cycle time s 0 455 Ambient Temperature e PID C Manual 0 Update Process ADC settings Setpoint Zero 16000 lt Update
15. y as the temperature changes 8 Once finished select Off under Power control and allow to cool Fig 9 shows the result Temperature control software v1 4 Device serial number 06 BZ98R 4RK7 Power control Off Cycle time s 0 455 vi Ambient Temperature r Hed 50 Update Process ADC settings Setpoint Zero 16100 lt Update Gain 472 94 bits mi Samples 1000 Power Thermocouple type K Logging PID parameters Use GS factors Qutput file Browse Kp 15 661 6 Skip values 1 Ti 13 299 W 5 Iv Time Td 3 324 Y 125 JE 3 5 I Ambient temperature Time minutes lV Process temperature Enable gain scheduling I Setpoint temperature RHE oad gain Output power pay 2 Clear file Reset integral Start Resetintegal Not logging Process or setpoint temperature C Ambient C 3 5 25 3 Time minutes Setpoint amp program control Relay 1 Manual setpoint C 60 Manual Temperature Programmed ON OFF Display Load Greater than vi 30 or less than vi a Maximum time minutes 5 5 El Reset display Screenshot Relay 2 Start Stop Hold e Manual Temperature Programmed ON OFF Csi Greater than vil 100 or lless than v 2 Cursor temperature Fig 9 Gain scheduling result 7 4 RELAY USAGE Demonstrates how to control the general purpose relay outputs specifically 2 which is connected to the buzzer on the IJ 7
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