RE55 TYPE
Contents
1. i duou Set point value gt Autotuning start Control algorytm Proportional band Integral action time Differentiation action time Pulse range Hysteresis Output configuration Alarm type Fig 5 Menu of the controller service 11 ZN DE 4 lt RSP Vin Max A U RF CA A d Bi d lt p 75 00 799 9 199 9 L A U ONT CZ CA OIG for wci CH 162 595 CIN gt U me CA DOr F SH 99 999 A 2g e EdP rare A 8 S9 SECU 0 9999 Set point value of the alarm Min Max acc table 2 Deviation to the alarm Alarm hysteresis Shift of the measured value Position of the decimal point Safety code Fig 5 Menu of the controller service One can protect by a code the access to parameters If the parameter is set the SECU parameter is higher than zero one must give it during the entry to the menu First the inscription cod appears and after the release of the push button one can introduce the code value If an incorrect code value will be introduced the inscription 7 appears on the display and the user will be able only to review parameter values The introduction of the safety code is shown on the fig 6 122. Introduce the code First parameter Fig 6 Introduction of the access code 13 5 2 Setting change The change of the parameter setting begins after pressing the 3 push button By means of the a push button one can increase the flickering digit or the non numerical parameter and by the push button one can transit between digits or accept the non numerical para meter The change cancellation follows after the simultaneous pressure of a and 3 push buttons or automatically after the laps of 30 sec since the last push button pressure The way to change the setting is shown on the fig 7 CA 2 2 2 PPSA Change beginning cancellation 10340 I Change J acceptation Next parameter CA Q Ch Change ange cancellation a acceptation Fig 7 Setting change of numerical and textual parameters 14 5 3 List of parameters The list of controller parameters is presented in the table 1 List of configuration parameters Table 1 Parameter Parameter Range of parameters Manufacturer s symbol descriptions changes setting on ALE Controller eb onof 9 th 7 ady d PID control algorythm Rid Proportional PB FABR Pb band to table 2 p 0 99998 1 0 unit d
3. Pulse repetition Load period to recommended gt 20s 2A 230V a c Electromagnetic min 10 s or contactor relay min 5 s 1A 230V a c Transistor output 1 3 solid state relay SSR 18 7 CONTROL 7 1 On off control ON OFF The choice of the on off control type requires following settings the AL G parameter must be set on an of the hysteresis value given in the parameter 4 and the way of the output operation established by the parameter out The operation way of the output on heating fig 8 is set by the parameter out and on cooling by the parameter out di r Output x Hysteresis Off ose gt Temperature Set point value Fig 8 Operation way of the output heating type 7 2 PID control The choice of the PID or also PI PD or P control type requires follo wing settings the 8 amp parameter must be set on P d and suitably set parameter values proportional range 75 integrating unit E and differentiating unit The switching of the given unit off consists on setting the parameter on zero The operation way of the output on heating is chosen by setting the owt smu parameter and on cooling by setting the parameter out c The next parameter to set is the pulse repetition period 19 8 ALARMS CONFIGURABLE EXECUTION E pt sp ALSP me 5 YL tatau Absolute upper Absolute lower Relative upper Relative upper ALEY RH A
4. relay relay voltage 0 5V Version Standard te RASTA 00 custom made s 99 Additional acceptance test requirements without additional requirements 8 with a quality inspection certificate 22 11 7 acc customer s requirements 2 X After agrement with the manufacturer The code will be established by the manufacturer 29 EXAMPLE OF ORDER The code 55 02 3 1 00 8 means RE55 temperature controller of RE55 type 02 input Pt100 range 0 100 C 3 execution controller configurable by push buttons and with an alarm 1 control output relay 00 standard version 8 without an additional quality certificate 14 MAINTENANCE and GUARANTEE The RE55 controller does not require any periodical maintenance In case of some incorrect controller operations 1 Afterthe dispatch date and inthe period stated inthe guarantee card One should return the instrument to the Manufacturer s Quality Inspec tion Dept If the instrument has been used in compliance with the instru ctions the Manufacturer warrants to repair it free of charge The disassembling of the housing causes the cancellation of the granted guarantee 2 After the guarantee period Oneshouldturnovertheinstrumenttorepairitinacertified serviceworkshop We reserves the right to make changes in design and specifications of any products as en
5. A index is not situated beyond the dial 9 SSeS Check if the setting potentiometer set index is not situated beyond the dial ge up range with failure point Connect again the controller supply ErAd Input discalibrated If that not help contact the nearest service workshop inputotthe set point Connect again the controller supply EA GP RAE ne Sep If that not help contact the nearest value discalibrated Service workshop Connect again the controller supply Error of the readout if that not help contact the nearest Er EE verification the service workshop The exploitation non volatile memory in this state may cause its unforeseen behaviour 25 12 TECHNICAL DATA Range resolution and based intrinsic error for different executions Table 5 Range Sensor type Intrinsic error c Resolution c measuring current 0 25 mA Resistance thermometer acc EN 60751 A2 250 0 1 400 0 1 Fe CuNi 600 0 1 900 0 1 Thermocouple of K type acc EN 60584 1 0 600 0 1 3 0 0 900 0 1 4 0 0 1300 1 6 0 Thermocouple of S type ac EN 60584 1 PtRh10 Pt 1 Sensor line resistance 10 wire one must make the connection with wires of identical cross
6. LEg RLo 889 ALEJ duh du Yat du ee du t AL du AL du AL du Relative lower Relative lower Relative internal Relative external RLES duto ALEY dulo RLELJ durn BLEU Fig 9 of alarms The alarm configuration requires the choice ofthe kind of alarmthrough set tingthe Ai parameter Accessible types ofalarms are givenon thefig 9 The set point value for absolute alarms is the value defined by the 41 57 parameter and for relative alarms that is the deviation from the set point value in the main line AL dw parameter The alarm hysteresis that is the zone around the set point value in which the output state is not changed is defined by the 41 44 parameter 9 MANUFACTURER S SETTINGS CONFIGURABLE EXECUTION Manufacturer s settings can be restored during the supply switching on by holding down and push buttons till the moment when the FAbr inscription appears on the upper display 10 SELECTION of PID PARAMETER SETTINGS CONFIGURABLE EXECUTIONS 10 1 Autotuning The controller has the function of automatc selection of the PID setting Obtained settings ensure in most of cases an optimal control To start the autotuning one must transit to the parameter the fig 5 and hold down the push button during at least 2 sec The parameter is accessible only for the proportional control AL amp P d However it is inaccessible when giving the inc
7. TEMPERATURE CONTROLLER RE55 TYPE USER S MANUAL 3 N EON rej s CONTENTS 10 11 12 13 14 APPLICATION R CONTROLLER gp 5 CONTROLLER PREPARATION to 5 3 1 Safety 3 2 Controller installation in the 6 3 3 Electrical 7 3 4 Installation recommendations RA WORK STARTING 1 8 4 1 Kind of execution 4 8 4 2 Controller service 4 9 4 3 Setting of setpoint value 2 0 10 PROGRAMMING of ONTROLLER PARAMETERS CONFIGURABLE EXECUTION eere 10 5 1 Scheme of the controller 10 5 2 Setting change 5 3 Listiof parameters 4 4 chsh niente GA 15 CONTROLLER INPUTS and 17 6 1 Measuring inpUt 1 d ree edit trien 17 6 2 OUI Ub siew n cre Reste 18 dE 19 7 1 ON OFF control reticere ott ts 19 7 22 PIDconttrol er o esee ttt 19 ALARMS CONFIGURABLE 20 MANUFACTURER S SETTINGS CONFIGURABLE EXECUTION eren 21 SELECTION of PID PARAMETER SETTINGS CONFIGURABLE EXECUTION eere 21 10 1 Autotunitig 5 derer terree 21 10 2 Correction of PID
8. and setting knob The controller displays automatically the set point value in case of the potentiometer movement The return to display the measured value follows after 5 seconds since the potentiometer movement steady state In the controller version with push buttons the monitoring of the set point is possible after pressing the C push button During the display of the set point the display pulsates 5 PROGRAMMING of CONTROLLER PARAMETERS CONFIGURABLE EXECUTION 5 1 Scheme of the controller menu The scheme of the controller menu is presented on the fig 5 After pres sing and holding down the A push button during at least 2 seconds it is possible to program parameters The transition between parameters is carried out by means of the a push button The description of para meters is contained in the table 1 The return to the normal working mode follows after the simultaneous pressure of A and 3 push buttons or automatically after 30 seconds since the last push button pressure Some parameters may be invisible It depends on the current control ler configuration 10 Measured value 2 2 sec 4 2 BE 2 sec VEN UE se ere in CA Prd lt gt ie a mua oTa HS 5666 _0 2 99 9 55 out ar 4 E Rio
9. controller and configurable controller for the execution in execution code PID controller ON I 16 Parameters depending on the measuring range Table 2 Sensor MIN MAX PB FABR Resistance thermometer Pt100 50 100 C 50 0 100 0 15 0 Resistance thermometer Pt100 0 100 0 0 100 0 10 0 Resistance thermometer Pt100 0 150 0 0 150 0 15 0 Resistance thermometer Pt100 0 250 0 0 250 0 20 0 Resistance thermometer Pt100 0 400 0 0 400 0 25 0 Resistance thermometer Pt100 0 600 0 0 600 0 30 0 Thermocouple type J 0 250 0 0 250 0 20 0 Thermocouple type J 0 400 C 0 0 400 0 25 0 Thermocouple type J 0 600 0 0 600 0 30 0 Thermocouple type J 0 900 C 0 0 900 0 40 0 Thermocouple type 0 600 0 0 600 0 30 0 Thermocouple type 0 900 0 0 900 0 40 0 Thermocouple type 0 1300 0 1300 45 0 Thermocouple type S 0 1600 0 1600 50 0 6 CONTROLLER INPUTS and OUTPUTS 6 1 Measuring inputs The controller has one measuring input to which one can connect a resistance thermometer or thermocouple sensor acc to the execution code for the resistance thermometer Pt100 in a three wire connection the compensation of the line resistance is carried out automatically In the two wire connection one can take into consideration that the line resistance introduces an additional
10. ement of the measured value control algorithm of on off type with hysteresis set on 2 0 C PID controller analog setting of the set point and digital measurement of the measured value control algorithm of PID type with manufacturer s setting depending on the execution see table 1 Configurable controller analog setting of the set point and digital measurement of the measured value control algorithm of on off or PID type and parameters set by the user programming of controller parameters by means of a and push buttons autotuning function alarm output programmable change of control between heating and cooling possible safe guard of parameters through a password 4 2 Controller service The view of the frontal controller plate in the on off or PID execution is presented on the fig 4a and in the configurable execution with push buttons and the alarm on the fig 4b a b Fig 4 Frontal plate of the controller Following elements are situated on the frontal plate of the controller 1 display of the measured value 2 3 hand setting knob with the indicating dial to set the set point value 4 green diode signalling the output state 5 red diode signalling the alarm state 6 7 push buttons 4 3 Setting of the set point value The setting of the set point is carried out after pressing the internal part to the external part of the h
11. gineering advances or necessity requires 30 31 55 07 Lubuskie Zak ady Aparat w Elektrycznych LUMEL S A ul Sulechowska 1 65 022 Zielona G ra Poland Tel 48 68 32 95 100 exchange Fax 48 68 32 95 101 www lumel com pl e mail lumelQ Qlumel com pl Export Department Tel 48 68 329 53 02 or 53 04 Fax 48 68 325 40 91 e mail export lumel com pl
12. isabled constant Differentiation 0 0 999 9s td time 0 unit disabled is constant Pulse repeti to tion period 0 5 99 9 s 20 0 Hysteresis 0 2 99 9 C 2 0 Configuration out of hd ie control of cooling type m output mu control of heating type parameter hidden at on off control 2 parameter hidden at proportional control 9 parameter visible when there is an appropriate configuration of the input alarm 15 Parameter Parameter Range of parameters Manufacturer s symbol descriptions changes setting non disabled RH absolute upper alarm fiL o absolute lower alarm Configuration Gut relative upper alarm ALLEY of the alarm dut o relative lower alarm nont output dur n absolute internal alarm duou absolute external alarm asp set MIN MAX acc to table 2 0 value 3 Deviation of the set value 5 Aldu for the relative 7199 9 199 9 0 0 alarm 9 Hysteresis for H o ALHY pe alarm 0 2 99 9 C 2 0 Shift of the Sh F measured 99 9 99 9 C 0 0 value Position of the aP decimal point 0 dP without decimal point for the measu dP 1 decimal place red value SECU Safety code 0 9999 0 only executions with resolution 0 1 see table 5 parameter hidden in the mode of parameter review and only for readout for the execution in execution code on off
13. measurement error For thermoco 17 uples the compensation of the reference junction is carried out automa tically An additional parameter is the number of digits after the decimal point parameter which defines if the measured temperature is to be shown with a place after the decimal point only for execution with resolution 0 1 C The correction of the measured value indication is carried out by the Sh parameter 6 2 Output The controller has one control output On this output it is possible to select the on off control or proportional PID control For the proportional control one must additionally set the pulse repetition period The pulse repetition period is the time which go by between successive switching of the output on during the proportional control The length of the pulse repetition period must be chosen depen ding on dynamic properties of the object and suitably to the actuator It is recommended to use solid state relays SSR for quick processes The relay output is used to control contactors in slow speed proces ses The use of a too high pulse repetition period to control high speed processes may give undesirable effects in the shape of oscillations Theoretically the lower pulse repetition period the better control is however for the relay output it should be as high possible in order to lengthen the relay life Recommendations concerning the pulse repetition period Table 3 Output
14. ments concerning the immunity against electromagne tic interference acc to the EN 61000 6 2 standard and the emission of electromagnetic interference occurring in industrial environments acc to the EN 61000 6 4 standard When connecting the supply one must remember that a switch or a circuit breaker should be installed in the building This switch should be located near the device easy accessible by the operator and marked as an element switching the device 3 2 Controller Installation in the panel Fix the controller in the panel by means of two screw holders included in the standard accessory set acc to the fig 1 The panel hole should be 91706 x 91706 mm The thickness of the material which the panel is made of cannot exceed 6 mm Fig 1 Way of controller fixing Controller overall dimensions are presented below on the fig 2 96 Fig 2 Overall dimensions of the RE55 controller 3 3 Electrical connections Carry out electrical connections in compliance with the fig 3 INPUT Alarm Main Supply OUTPUT OUTPUT EEEE EEE Fig 3 Scheme of electrical connections Note 1 When connecting the Pt100 sensor in two wire version one must short terminals 1 and 2 2 One cannot connect any wires to not used controller terminals 3 4 Installation recommendations The RE55 controller fulfils requirements concerning immunity against electromagnetic in
15. nel cut out 91756 x 91706 mm Protection degree ensured by the housing acc to EN 60529 from the frontal plate side IP 40 from terminal side IP 20 Additional errors in rated operating conditions caused by compensation of the thermocouple reference junction temperature change lt 2 C changes of the RTD line resistance lt 50 of the intrinsic error change of ambient temperature lt 100 of the intrinsic error 10 K Safety requirements acc to EN 61010 1 isolation between circuit basic installation category Ill pollution degree 2 maximal working voltage in relation to earth for the supply circuit 300 V for input circuits 50 V altitude above sea level under 2000 m Electromagnetic compatibility immunity acc to EN 61000 6 2 emission acc to EN 61000 6 4 28 13 CONTROLLER EXECUTION CODES The coding way is given in the table 6 Table 6 Temperature controller RE55 X X X X X Input Pt100 1 3850 50 2 10092 ires ied 01 0 100 C 0 150 C 0 250 0 400 C 0 600 C Fe CuNi J 0 250 0 400 C 0 600 C 0 900 C NiCr NiAl K 0 600 C 0 900 C 0 1300 C PtRh10 Pt S 0 1600 C O OfdeR Kinds of execution controller Manin o 1 PID conttoller ya 2 controller configurable by push buttons and with alarm 3 Control output
16. orrect safety code if it was activated The flickering decimal point from the left side of the display informs about the autotuning function activity The autotuning duration time depends on dynamic properties of the object and may lasts maximal ly 10 hours During the autotuning or directly after it over regulations can arise for this reason one must set a lower set point value if it is possible After the autotuning termination calculated PID settings are stored in the non volatile memory and the control process starts with new settings The autotuning process may not start or be broken without calculation od PID settings if the measured value is higher than the set point value for control of heating type the difference between the set point value and the measured value is lower than 596 of the measuring range the time of the preliminary object stabilization or the admissible time of the autotuning duration will be exceeded when a controller supply decay occurs any push button has been pressed the set point value has been changed 21 calculated parameter values are beyond the range In such cases the control with previous PID settings will start The controller depending on the control deviation chooses the response method to the unitary jump or the oscillation method The response method to the unitary jump is chosen when the difference between the set point value and measured value is at lea
17. section and length 26 Potentiometric setting of the set point resolution of the set point setting 0 1 of the controller range difference between the set point and the value set on the graduation lt 2 of the controller range Measurement time 0 5 s Error detection in the measurement circuit thermocouple Pt100 measuring range exceeding Control algorithm P PD PI PID ON OFF with hysteresis Setting range of controller parameters See table 1 Kinds of outputs for control output relay without voltage change over contact load 2 A 230 V logic voltage 5 V voltage 10 Q rresistance limiting the current without isolation from the sensor side for alarm output for alarm output relay without voltage normally open contact NOC load capacity1 A 230 V Output operation reverse for heating direct for cooling Signalling switching the main output on switching the main output off Rated operating conditions supply voltage 85 253 V a c d c supply voltage frequency 40 440 Hz ambient temperature 0 23 50 C storage temperature 20 70 C relative air humidity lt 85 without condensation 27 external magnetic field lt 400 A m preliminary warm up time 30 min operating position any resistance of wires connecting the resistance thermometer with the controller 10 O wire Consumption 4 VA Weight 0 3 kg Overall dimensions 96 x 96 x 65 mm Pa
18. settings 24 ERROR SIGNALLING rennen nnne tnnt 24 TECHNICAL 26 CONTROLLER EXECUTION 29 MAINTENANCE and GUARANTEE eene 30 1 APPLICATION The R55 controller is a microprocessor controller with an analog setting and digital measurement of the measured value The controller controls the temperature in objects through switching on and off the electrical control device in accordance with the definite set point by the controller The controller co operates directly with RTD and TC temperature sensors The controller is destined to control temperature in plastics industry food and dehydration industries and everywhere when it is necessary to stabilize temperature changes 2 CONTROLLER SET The controller set is composed of COMMON Clk o e 1 pc 2 plug with 16 screw terminals 1 pc 3 holder to fix in the panel x 4 user s manual sese 5 guarantee Card When unpacking the controller please check whether the type and option code on the data plate correspond to the order 3 CONTROLLER PREPARATION to WORK 3 1 Safety The RE55 controller meets requirements concerning the safety of electrical measuring devices in automatics acc to the EN 61010 1 standard require
19. st 20 of the controller measuring range Response method to the unitary jump The autotuning by the response method to the unitary jump is composed of following stages switching the control signal off and stabilization of the object temperature since 2 min till 3 hours switching the control signal on 100 and determination of the object characteristic max 10 hours calculation of PID settings and their storage in the non volatile memory beginning of the PID control with new settings 1 Measured value Fig 10 Selection of settings by the response method to the unitary jump 22 On the object characteristic presenting the controlled quantity in the function of time one may see the delay time of the object to and the maxi mal temperature accretion which is calculated from the dependence APV pax PID settings are calculated acc to following max Trt equations Pb 1 1 V T proportional range t 2 4 T integration time constant t 0 4 T differentiation time constant Oscillation method around the set point value The autotuning by the oscillation method is composed of following stages on off control acc to fig 11 calculation of PID settings and their storage in the non volatile memory beginning of the PID control with new settings A Measured value Fig 11 Selection by the oscillation method PID settings are calculated acc
20. terference in industrial environments acc to binding standards In order to obtain a full fastness of the controller against electro magnetic interference in an unknown environment interference level it is recommended to observe following principles do not supply the controller from the network near devices generating high impulse interference apply network filters apply metallic shields in the shape of tubes or braided screens to conduct supplying wires wires supplying the measuring signals should be twisted in pairs and for resistance thermometers in a 3 wire connection twisted with wires of the same length cross section and resistance and led in a shield as above all screens should be one side earthed and led the nearest possible to the controller apply the general principle that wires leading different signals should be led the farthest possible between them not less than 30 cm and their crossing executed at a right angle 7 4 WORK STARTING After the correct installation and supply connection the controller carries out the display test and displays the type of controller on the upper display inscription r 55 the program version and next the measured value A character message informing about abnormalities may appear the display table 4 4 1 Kind of execution The controller is available in following executions ON OFF controller analog setting of the set point and digital measur
21. to given formula Pb P t 0 25 T 10 2 Correction of PID settings PID parameters interact between them and one must introduce chan ges of only one parameter The better is to match parameters changing the value into a twice higher or twice lower value During changes one must respect following principles a Slow response of the object decrease the proportional range decrease integration and differentiation time constants b Over regulations increase the proportional range increase the differentiation time c Oscillations increase the proportional range increase the integration time decrease the differentiation time Instability increase the integration time 11 ERROR SIGNALLING Character messages Table 4 Error code Cause Procedure Exceeding of the Check if the appropriate sensor measuring range was connected and if input signals down or shorting are situated in the appropriate in the sensor circuit range if yes check if there is not a short circuit in the sensor circuit 24 Exceeding of the measuring range Check if the type of the selected sensor is compatible with the connected sensor check if values HErr Asun orshorin of input signals are situated in the lathesensor a appropriate range if yes check if there is not a break in the sensor circuit Check if the setting potentiometer SO
Download Pdf Manuals
Related Search