USER'S MANUAL
Contents
1. decrease the integral and derivative time b Over regulations increase the proportional band increase the derivative time C Oscillations increase the proportional band increase integral time decrease the derivative time Instability increase the integral time RE70 09 User s Manual 14 9 Alarms The controller output can be configured as an alarm output For this set the parameter out as one of alarms Available types of alarms are given on the figure 14 absolute high absolute lower relative high relative high out RLo relative lower relative lower relative internal relative external out duto duto du Fig 14 Types of alarms The set point for absolute alarms is the value defined by the parameter 8 52 and for relative alarms it is the deviation from the set point the parameter Alarm hysteresis the zone around the set point in which the input state is not changed is defined by the AL Y parameter 10 Additional functions 10 1 Displaying the control signal After pressing the button the value of the control signal 0 100 is displayed on the display On the first digit the h mark is displayed Control signal can be displayed when the parameter is set on 10 2 Manual mode The manual mode gives the possibility to i2. 6 1 Programming Controller Parameters Pressing and holding down during ca 2 seconds the button causes the entry to the programming matrix The programming matrix can be protected by an access code In case when giving a wrong value of the code it is only possible to see settings through without possibility of changes Fig 11 presents the transition matrix in the programming mode The transition between levels is carrying out by using the buttons r or 4 and the level selection by using the button After selecting the level the transition between parameters is carried out by using the buttons or 4 In order to change the parameter setting proceed acc to the section 6 3 In order to exit from the selected level transit between parameters until appears 3 In order to exit from the programming matrix to the normal working mode transit between levels until appears the symbol and press the the symbol and press the button button Some controller parameters can be invisible it depends on the current configuration The description of parameters shows the table 1 The return to the normal working mode follows automatically after 30 seconds since the last button pressure RE70 09 User s Manual 6 2 Programming matrix the higher level Exit fr
3. TEON OFF s cs ice pci cost dese cnet Cate cout ads cies exe oc tu eo Ec e a exo Ut eU Cha ei au 11 7 2 Innovative SMART deed dne 12 9 AlBIMS 14 10 Additional aaa 14 10 1 Displaying the control Signal aos eee D Pe oso ete eas natu 14 10 2 oso oic peti mdi o dx tuni n dado ua diis cda Ua RR dne xd 14 10 3 Defa lts Settings so aan O teda e toca e Ga M AA AT RUND LEA 15 11 RS 485 interface with MODBUS 15 noe a et LERNEN AU NUMERI 15 T2 15 15 12 Error signaling ii nania akad 17 13 Fecnnical GG GG COC ADM CCC 18 14 Controller ordering 19 RE70 09 User s Manual 1 Application The RE70 controller is destined for the temperature control Controller works directly with the resistance sensors or thermoelectric sensors The controller is equipped with one output that allows for dual point control and alert signalization Dual point control is based on the PID or ON OFF algorithm
4. Relay output is equipped with a switchable contact and allows for indirect control of the low power objects The innovative SMART PID algorithm has been implemented in the controller 2 Controller set 2 DDDDOD Complete set of the controller includes 1 DUO UI copo TI CONST ed 1pc plug with 6 screw terminals 1pc plug with 8 screw terminals 1pc holders to fix the meter in the panel 4 pcs SBa naa oi oj Ua Gd w BA 1pc sers man al in 1 pc guarantee 1pc 3 Basic requirements operational safety In terms of operational safety the controller meets the requirements of the EN 61010 1 standard Comments concerning safety Assembly and installation of the electrical connections should conducted only by people authorised to perform assembly of electric devices 3 OOOO Always check the state of connections before turning the controller on Prior to taking the controller housing off always turn the supply off and disconnect measuring circuits Removal of the controller housing during the warranty period voids the warranty The device is designed to installation and usage in the industrial electromagnetic environment The installation should have a switch or a circuit breaker installed This switch should be located near the device easy accessible by the op
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6. an optimal control To begin the self tuning transit to the un message acc to the fig 10 and hold down the button during at least 2 sec If the control algorithm is set on ON OFF or the self tuning function is locked then the tune message un is hidden For a correct realization of the self tuning function it is required to set the parameters and 5 The parameter St t o should be set on the value corresponding to the measured value at the switched off control For object temperature control you can set 0 The parameter 5 should be set on the value corresponding to the maximum measured value when the control is switched on the full power The flickering AT symbol informs about the activity of the self tuning function The duration of self tuning depends on dynamic object properties and can last maximally 10 hours During self tuning or directly after it over regulations can occur and because of this one must set a smaller set point if possible The self tuning is composed of following stages self tuning process self tuning ended with success calculation of PID settings and stored enter to manual mode them in the non volatile memory the error code is on the display until start control with new PID settings confirmation The self tuning process will be stopped without counting PID settings if a supply decay occurs or the button lt will be pr
7. cu upper relative alarm dut o lower relative alarm du internal relative alarm duou external relative alarm Control parameters Gi ono ON OFF control algorithm m ds P d PID control algorithm di li t unt Type of control T d r direct control coo ing reverse control heating LI ie 4 2 0 C 0 2 100 0 C disi 3 6 F 0 2 180 0 F CLI 0 0 6 3 C L G Lower threshold for self tuning 32 0 MIN MAX cuu eS 800 0 C 6 37 01 threshold for self tuning 1 472 0 F MIN MAX P d PID parameters ct 30 0 C 0 1 550 0 Proportional band 540 0 F 0 1 990 0 F RE70 09 User s Manual 10 Symbol of Parameter description Default setting Range of parameter change parameter e Integral time constant 300 0 9999 s Derivative time constant 60 0 0 0 2500 un Correction of control signal 5 for P or PD control 20 uli to Pulse period 20 0 0 5 99 9 s AL Ar Alarms parameters ALSP sa point for the absolute alarm A MIN MAX 9 Di u Deviation from the set point of 0 0 C 200 0 200 0 C the relative alarm 0 0 360 0 360 0 F Or mu 2 0 0 2 100 0 Hysteresis for the alarm lacie 3 6 0 2 180 0 F 5 Set point parameters coe Lower limitation of the set p
8. TEMPERATURE CONTROLLER 48 x 48 mm RE70 TYPE USER S MANUAL CE RE70 09 User s Manual 2 Contents 1 Application saa aaa wioska wawie wawa 3 2 RET 3 3 Basic requirements Operational 3 4 4 4 1 Controller installation 4 6 9 4 4 3 Recommendations for 5 GERI qe 6 65 SETVICE c 7 6 1 Programming Controller 6 2 Prodramiming Mal iR AES 8 8 6 4 Parameters description 8 7 Inputs and outputs of the 10 yos Wrcc A CE O EE PE R 10 dA tati Lai tat 11 8 Control 2 22 2 2 22 222 23 252 03 025 232 5 032 05 0 0 04 0059 005 0059005 05 09 05 05J 05020 11
9. ange the setting is shown on the fig 12 5 CA to change cancel to change cancel accept new accept new value value 977 NU decrement increment previous next text value value text value value Fig 12 Setting change of number and text parameters 6 4 Parameters description The list of parameters is presented in the table 1 RE70 09 User s Manual List of configuration parameters Table 1 Symbol of parameter Parameter description Default setting Range of parameter change Input parameters i _ i degrees Celsius uni c Uni ee F degrees Fahrenheit 1 Pt100 10 Pt1000 t u J type thermocouple t t T type thermocouple C Inputtype P t 2 K type thermocouple t 5 S type thermocouple t R type thermocouple t 5 B type thermocouple t N type thermocouple e P 2 wi 2 41 Line type for the sensor Pt100 e P 3 P 3 wire Y 3 U aP without a decimal place or Position of the decimal point i d 9 1 decimal place c 0 0 100 0 100 0 2m Shift of measured value 0 0 F 180 0 180 0 1 out Output parameters of control off control signal upper absolute alarm ALo out Output configuration
10. ble 9 bit description 0 14 Reserved 15 Input discalibrated Input range limits Table 10 range sensor type UNIT F x10 Pt100 3280 15620 Pt1000 3280 15620 Fe CuNi J 580 21920 Cu CuNi T 580 7520 NiCr NiAl 580 25016 PtRh10 Pt S 320 32126 PtRh13 Pt R 320 32126 PtRh30 PtRh6 B 320 32126 NiCrSi NiSi N 500 13000 580 23720 12 Error signaling Character messages signaling the incorrect controller operation Table 11 Error code Reason Procedure Down overflow of the range limit or lack of RTD Check if input signal values are situated in the appropriate range if yes check if check if there is no short circuit in the thermoresistor or the thermocouple is connected inversely Upper overflow of the range limit or break in the sensor circuit Check if input signal values are situated in the appropriate range if yes check if there is no break in the sensor circuit en a Input discalibrated Connect the controller supply again and if that is not effective contact the nearest service shop Configuration parameters checksum error m 2 m m Connect the controller supply again and if that is not effective contact the nearest service shop RE70 09 User s Manual 18 13 Technical data Input signals acc to the table 12 Input signals and range limits for inputs Table 12 Sensor type Standard Designation Ran
11. dentify test the object or control it after a sensor damage The entry to the manual mode follows after holding down the button during the control signal is display The manual mode is signaled by the pulsation of the diode with the symbol The controller interrupts the automatic control and begins the manual mode of the output The control signal value is on the display preceded by the symbol h For the ON OFF control the control signal can be set up by the buttons and at 0 or 100 For the PID control the control signal can be set up by the buttons and 4 at any optional value from the 0 0 100 range The exit to the normal work mode follows after pressing simultaneously the buttons and 4 RE70 09 User s Manual 15 10 3 Defaults Settings Defaults settings can be restored during the supply connection by holding down the buttons and till the moment when the inscription Ab r appears on the display 11 RS 485 interface with MODBUS protocol 11 1 Introduction RE70 controller is equipped with RS 485 serial interface with implemented MODBUS asynchronous communication protocol The interface is designed for controller configuration prior to using it Summary of the RE70 controller serial interface device address 1 baud rate 9600 bit s operation modes RTU inf
12. erator and suitably marked RE70 09 User s Manual 4 4 Installation 4 1 Controller installation Fix the controller to the board with four screw brackets as shown in the fig 1 A slot in the panel must have the dimensions 45 x 45 99 mm The thickness of the panel material cannot exceed 15 mm Fig 1 Controller installation Dimensions of the controller are presented on the fig 2 max 93 8 48 5066 3 GC CA Fig 2 Controller dimensions 4 2 Electrical connections The controller has two separate connectors with screw terminals One strip enables the connection of the supply and outputs by a wire of 2 5 mm the second strip enables input signal connections by a wire of 1 5 mm RE70 09 User s Manual 5 Z 7 a EN 0007000 interface for configuration OE input M Tel signals E 2 8 X lt gt h output a a o Ro T eee supply Fig 3 View of the controller s connection strips 5 me mi GR n thermoresistor Pt100 thermoresistor Pt100 thermoresistor in 2 wire syste
13. eresis HY 2 1800 x10 F 4018 STLO RW acc to the table 10 Lower threshold for self tuning 4019 STHI RW acc to the table 10 Upper threshold for self tuning o 4020 PB RW Proportional band 1 9900 x10 F 4021 Tl RW 0 9999 Integral time constant TI s 4022 TD RW 0 25000 Derivative time constant TD s x10 4023 YO RW 0 1000 PGA of control signal YO for P or PD control 4024 TO RW 5 999 Pulse period of output s x10 4025 ALSP RW acc tothe table 10 Set point for the absolute alarm x10 RE70 09 User s Manual 17 poka marking op den parameter range description o 4026 ALDV RW Deviation from the set point of the relative alarm 3600 3600 x10 F o 4027 ALHY RW Hysteresis for the alarm 2 1800 x10 F 4028 SPL RW to the table 10 Lower limitation of the fast set point change 4029 SPH RW to the table 10 Upper limitation of the fast set point change 4030 SECU RW 0 9999 Access code to the menu Self tuning function 4031 STFN RW 0 1 0 locked 1 unlocked Register 4002 controller status Table 8 bit description 0 11 Reserved 12 Automatic Manual mode 0 automatic 1 manual 13 State of alarm 0 active 1 inactive 14 Measured value beyond the range limits 15 Controller error check the error register Register 4003 error register Ta
14. essed In this case the control with current PID settings will be started If the self tuning experiment does not end with success then an error code will be displayed acc to the table 4 13 RE70 09 User s Manual Error codes for self tuning function Table 4 Error code Reason Procedure One must choose PI PID control i e the TI unit BEE Por PD control was selected must be higher than zero TN ES Change temperature set point or the The set point is incorrect parameters Sto SEM The button f was pressed The maximal self tuning duration time has E504 Check if the temperature sensor is correctly been exceeded The waiting time of switching has been situated if the set point value is not set too 505 higher for the given object exceeded Take note of the way to connect the sensor Do The input range limit has been exceeded not allow that the overflow results in exceeding of the input range limit Carry out the self tuning again If that does not ERIS correct values of PID parameters or an interference has occurred help choose PID parameters manually 7 2 2 Proceeding in case of a unsatisfactory PID control It is recommended to choose PID parameters changing the value in a twice higher or twice less During the change one must respect following principles a Free jump response decrease the proportional band
15. est displays 70 text software version and the measured value Display may also show an error message see table 11 The ON OFF control algorithm with hysteresis given in the table 2 is set by the defaults Change of the set point Set point is displayed after or buttons are pressed this is accompanied by SP diode switching on To change the set point press or buttons again fig 9 The beginning of the change is signaled by pulsing dot symbol on the display New set point must be accepted with a lt button within 30 seconds after the r or button have been pressed otherwise regulator will display set point with previously set point measured value accept new set point to change set point press and hold one of the button Fig 9 Change value of the set point RE70 09 User s Manual 6 Service The controller service is presented on the fig 10 normal working mode to change press display control Z or A measured value to accept press lt mode active code self tune mode change set point mode to cancel press press and hola t press and hold to decrease to increase sec the value the value M4 Y parameter programming mode Fig 10 Menu of controller service
16. ge Pt100 EN 60751 A2 1997 Pt100 200 850 C 328 1 562 F Pt1000 EN 60751 A2 1997 Pt1000 200 850 C 328 1 562 F Fe CuNi EN 60584 1 1997 J 50 1200 C 58 2 192 F Cu CuNi EN 60584 1 1997 T 50 400 C 58 752 F NiCr NiAl EN 60584 1 1997 K 50 1372 C 58 2 501 6 F PtRh10 Pt EN 60584 1 1997 5 0 1767 32 3 212 6 F PtRh13 Pt EN 60584 1 1997 R 0 1767 C 32 3 212 6 F PtRh30 PtRh6 EN 60584 1 1997 B 0 1767 C 32 3212 6 F NiCrSi NiSi EN 60584 1 1997 N 50 1300 C 58 2 372 F Intrinsic error is related to the range limits 200 1 767 C 392 3 212 6 F 7 Sensor line resistance 10 Q wire the connection must use wires of identical diameter and length Basic error of real value measurement 0 3 for thermoresistance inputs 0 3 for thermoelectric inputs 0 5 for B R S Measurement time 0 33 Detection of error the measurement circuit thermocouple Pt100 range limit exceeded Types of outputs relay output type SPDT form C max load 5 A 230 V AC max 200 000 cycles for 5 A 230 V AC resistive Way of output operation reverse for heating direct for cooling Rated operating conditions supply voltage 230 VAC 10 supply voltage frequency 50 60 Hz ambient temperature 0 23 50 C storage temperature 20 70 C relative air humidity lt 85 no condensation preheating time 30 min operating position any Power inp
17. he input is universal and the sensors Pt100 Pt1000 or thermocouples can be connected to it RE70 09 User s Manual 11 Start by using un parameter to set the temperature display unit Unit change resets the value to the factory settings with a different value ranges for Celsius and Fahrenheit scale Input signal is selected with nt parameter For the Pt100 thermoresistor choose the 4 connection type 2 wire or 3 wire In the 3 wire Pt100 connection resistance compensation is automatic For thermocouples a cold terminal compensation is automatic Position of the decimal point is a additional parameter that determines display format of measured value and set point it is set by the 9 parameter Correction of the indicated measured value is determined by the Sh parameter 7 1 Output The controller has one output It is possible to choose the following output options on off control proportional control PID or alert It is necessary to set the pulse period for the proportional control Pulse period is a time between two subsequent input engagements during proportional control Pulse period length should be adjusted for the dynamic properties of the object and characteristics of the output device It is recommended to use SSH transmitter for quick processes Relay output is used for a contactor control in the slow changing processes Long pulse periods for quick change processes may cause unnecessary oscil
18. lation In theory the shorter pulse period is the better the control however for the relay output a period should be as large as possible to optimize lifespan of the relay Pulse period setting recommendations Table 3 Output Pulse period is Load recommended gt 20s 5 A 230 VAC electromagnetic transmitter min 10 s or a contactor min 5 s 2 A 230 VAC 8 Control 7 1 ON OFF algorithm When high accuracy of a temperature control is not required especially for the high time constant and small delay it is possible to use ON OFF control with hysteresis Disadvantage of this method is the occurrence of oscillations even at small hysteresis values output hysteresis lt on Off eem gt setpoint measured value value Fig 13 Operation way of the heating type output for the ON OFF control RE70 09 User s Manual 12 7 2 Innovative SMART PID algorithm When high precision of the temperature control is necessary it is recommended to use PID algorithm Innovative SMART PID algorithm ensures increased precision in the extended range of the control object classes Tuning of the controller to object is achieved by automatically selected PID parameters using the self tuning function or manual setting the value of the proportional element integral element and derivative element 7 2 1 Self tuning The controller has the function to select PID settings In most cases these settings ensure
19. m in 3 wire system Pt1000 Fig 4 Input signals thermocouple ie jas 9e Fig 5 Supply 9 10r Supply 1 Fig 6 Control Alarm output AL Fig 7 RS 485 interface only for configuration 4 3 Recommendations for installation To achieve full electromagnetic resistance of the controller it is necessary to follow the rules described below do not supply the controller from the network in the proximity of devices generating high pulse noises and do not apply common earthing circuits apply network filters wires leading measuring signals should be twisted in pairs and for resistance sensors in 3 wire connection twisted of wires of the same length cross section and resistance and led in a shield all shields should be one side earthed or connected to the protection wire the nearest possible to the controller RE70 09 User s Manual 6 as a rule of thumb wires transmitting different signals should be spaced as far as it is possible at least 30 cm and should be crossed only at the right angle of 90 5 Starting work Controller description display for measured value set point menu active output indicator self tune indicator manual mode indicator display set point indicator keys Fig 8 Overview of the controller s front panel Switching a supply on After powering on the controller performs the display t
20. oint 200 0 C 6 Je setting 3 280 0 F MISMAS cou Upper limitation of the set point 1 767 0 C 6 setting 3 212 6 F 5 c P Service parameters CE LL Access code 5 0 0 9999 m Self tuning function on oF F locked on available 1 Group of parameters visible only when setting the output on the control signal a R m Group of parameters visible only when setting the control algorithm on PID Group of parameters visible only when setting the output on one of the alarm Parameter hidden in the monitoring mode of parameters only for readout 6 Parameter visible only when setting the control algorithm on ON OFF See table 2 Range limits for inputs table 2 MIN Input sensor F F Thermoresistor Pt100 200 C 328 F 850 C 1 562 F Thermoresistor Pt1000 200 328 F 850 1 562 F J type thermocouple 50 C 58 F 1 200 C 2 192 F T type thermocouple 50 C 58 F 400 C 752 F K type thermocouple 50 C 58 F 1 372 C 2 501 6 F S type thermocouple 0 32 F 1 767 C 3 212 6 F R type thermocouple 0 32 F 1 767 3 212 6 B type thermocouple 0 32 F 1 767 3 212 6 F N type thermocouple 50 C 58 F 1 300 C 2 372 F 7 Inputs and outputs of the controller 7 1 Inputs Input is the source of the measured value used for control or for alarms T
21. om the menu Fig 11 Programming matrix nP unit S68 t i 5H dP D Input Shift of measured Position of decimal Transition to parameters idi epee PORA value point the higher level out out sgt UT Output O Transition to configuration the higher level ctrl ALG 5tto SEH oe Control Lower threshold for U iti pper threshold for Transition to parameters Control algorithm Type of control Hysteresis self tuning self tuning the higher level Pra Pb 70 to PID Parameters a Correction of Proportional band Integral time DEANE nme control signal for P Pulse period D Transition to constant constant or PD control the higher level Bl ae ALSP Aldu BLAS Alarms Deviation from the B parameters GE pb set point of the Alarm hysteresis p Transition to relative alarm the higher level SPP SPL SPH Set point lower limitation of upper limi ation of 5 the set point the set point P setting setting the higher level 5 SECU Stfn S Service St T parameters Access code Self tuning function ransition to 6 3 Setting Change The change of parameter setting begins after pressing the button during the display of the parameter name The setting selection is carried out through the buttons and 4 and accepted by the button The change cancellation follows after the simultaneous pressure of the buttons r and or after 30 seconds since the last button pressure The way to ch
22. ormation unit 8N2 data format integer 16 bits maximum response time 500 ms maximum number of registers read written in one command 32 RE70 controller uses following protocol functions Table 5 Code Meaning 03 n registers read 06 1 register write 16 n registers write 17 slave device identification 11 2 Error codes If the controller receives query with the transmission error or checksum error then such query will be ignored When a query with correct syntax and invalid values is found the controller returns an error code Table 6 shows error codes and their meaning Error codes Table 6 illegal function function is not handled by the controller illegal data address register address out of range illegal data value register value out of range or register is readout only 11 3 Register map In the controller data are placed in 16 bit registers The list of registers for write and readout is presented in the table 7 Operation R means the possibility of readout and the operation RW means the possibility for readout and write RE70 09 User s Manual 16 Map of the registers from address 4000 Table 7 abd marking op d parameter range description Command register 4000 W 1 1 revert to defaults settings except for interface settings and defined programs 4001 R 100 999 Program ve
23. rsion number x100 4002 R 1301 9999 Older 4 digits of the serial number 4003 R 1 9999 Younger 4 digits of the serial number 4004 R 0 0xFFFF Controller status description in the table 8 4005 R 0 0xFFFF Error status description in the table 9 4006 R acc to the table 10 Measured value PV 4007 R acc to the table 10 Current set point SP 4008 R 0 1000 Control signal x10 Unit 4009 UNIT RW 0 1 0 degrees Celsius 1 degrees Fahrenheit Type of main input 0 thermoresistor Pt100 1 thermoresistor Pt1000 2 J type thermocouple 3 T type thermocouple 4010 INPT RW 0 8 4 K type thermocouple 5 S type thermocouple 6 R type thermocouple 7 B type thermocouple 8 N type thermocouple Type of line 4011 T LI RW 0 1 0 2 wire 1 3 wire Position of the decimal point of the main input 4012 DP RW 0 1 0 without a decimal place 1 1 decimal place o 4013 SHIF RW OOOO DEO Shift of the measured value of the main input 1800 1800 x10 F Output function 0 no function 1 control signal 2 upper absolute alarm 4014 OUT RW 0 7 3 lower absolute alarm 4 upper relative alarm 5 lower relative alarm 6 internal relative alarm 7 external relative alarm Control algorithm 4015 ALG RW 0 1 0 ON OFF 1 PID Type of control 4016 RW 0 1 0 direct control cooling 1 reverse control heating o 4017 Hy Rw 2190010 Hyst
24. ut lt 4VA Weight lt 0 25 kg Protection grade ensured by the housing acc to EN 60529 from the frontal plate IP65 from the terminal side IP20 Additional errors in rated operating conditions caused by compensation of reference junction temperature changes lt 2 C resistance change of thermoresistance sensor line lt 50 intrinsic error value ambient temperature change lt 100 intrinsic error value 10 K Safety requirements acc to EN 61010 1 1 circuit to circuit insulation basic installation category pollution grade 2 maximum phase to earth operating voltage RE70 09 User s Manual for supply circuit output 300 V for input circuits 50V altitude 1 below 2000 m Electromagnetic compatibility noise immunity acc to standard EN 61000 6 2 noise emission acc to standard EN 61000 6 4 14 Controller ordering code The way of coding is given in the table 13 Versions and ordering Table 13 RE70 controller Version standard custom made Language Polish version English other acceptance without extra quality requirements tests with quality inspection certificate according to buyer s specification after agreeing with the manufacturer 19 LUMEL LUMEL S A ul Stubicka 1 65 127 Zielona Gora Poland Tel 48 68 45 75 100 Fax 48 68 45 75 508 e mail lumelQ lumel com pl http www lumel com pl Export Department
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