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thermoprozess MIKROTHERM 825 User Manual

Din temperature/process controller
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MIKROTHERM
825
®
MT825-A, controller
user´s manual
THERMOPROZESS s.r.o.
Riegrova 2668/6c
370 01 České Budějovice
Czech Republic
Tel.: +420 387 313 182
Fax: +420 385 340 947
E-Mail:
info@thermoprozess.cz
MT825A 11/09 Rev.7/Soft.4.3
http://www.thermoprozess.cz

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  • Page 1 MIKROTHERM ® MT825-A, controller user´s manual THERMOPROZESS s.r.o. Riegrova 2668/6c 370 01 České Budějovice Czech Republic Tel.: +420 387 313 182 Fax: +420 385 340 947 E-Mail: info@thermoprozess.cz MT825A 11/09 Rev.7/Soft.4.3 http://www.thermoprozess.cz...
  • Page 2 If there is any default of the device could cause a damage, the equipment with the controller must be fitted with the independent protection unit (thermal cut-out/limiter).
  • Page 3 U s e r p a r t 1 Introduction ® MT825-A is ¼ DIN temperature/process controller with 1 input for MIKROTHERM measurement, 1 input/output for controlling and 5 outputs ( thi first is for control, the second is for alarm/signal, the event output 3,4,5). •...

  • Page 4: Basic Terms

    U s e r p a r t 2 Basic terms The controller cna be used for control of temperature or other quantity (for simple description the temperature will be used) according to set profile. To avoid problems in operation of device the user must be able to manage its operation.

  • Page 5: Information And Error Messages

    U s e r p a r t Settings parameters In the user part the setting of parameters is described in the table of this format: Confirm Display Procedure Return • Confirm, indicates the key, with which you go through menu and confirm set parameters •...
  • Page 6 U s e r p a r t Information messages, lower display • PCLK … starting a programme by the clock, see page 15.. • Aut1 … automatic setting/autottuning of PID parametrs Pb1 It1 dE1, see page • Aut2 … automatic setting/autottuning of PID parametrs Pb2, It2, dE2, see page •...
  • Page 7 U s e r p a r t 2.4 Overview of levels, menu Total overview of programme levels and menu is shown below. The entry to menu is indicated by the keys, long-term press is approximately 3 seconds. Basic mode Long press Short press Short press...

  • Page 8: User Level

    U s e r p a r t 3 User level In this level you can access promptly to most common parameters. It consists of the following menus: • User menu, enables access to most applicable parameters of device. Their specification and sequence can be set.
  • Page 9 U s e r p a r t Confirm Display Procedure Return trun Work of controller is time limited. See details on page 27. Reading of measured values from history. If you like to read measured/process values, hISt set YES and confirm. Upper display indicates process value, lower one time in format hour.minute.

  • Page 10: Programme Menu

    U s e r p a r t 3.2 Programme menu In controller 30 user programmes can be stored numbered with 1 up to 30 and another 4 SoAK Setpoint JuMP Set point value is not changed during the value Enables jump at: step.
  • Page 11 U s e r p a r t Initial set point value in step StPt in the same as the final set point value of preceding (former) step. In case of starting a programmme the initial set point value is equal to the process value.
  • Page 12 U s e r p a r t Summary of parameters of step SoAK Display Meaning tI.xx Time of soak is stated in format hour.minutes E1.xx State of event output 1, see page 23. E2.xx State of event output 2. E3.xx State of event output 3.
  • Page 13 U s e r p a r t Complete menu for editing a programme is ilustrated below: set number of programme ProG Set values of parameters with arrow keys set number of step StEP set type of step tYPE StPt rAtE SoAK JuMP...
  • Page 14 U s e r p a r t You can write down the profile to table: Progr: 5 StEP tYPE StPt 2.30 SoAK 1.20 Strt rAtE 1050 SoAK 2.10 rAtE Now edit the programme to the memory of controller: • Controller is in basic MODE or in a programme, see page •...

  • Page 15: Starting A Programme

    U s e r p a r t 3.3 Starting a programme The programme can be started up by the command of operator with keyboard or can be automatically started up by the internal real time clok. Starting a programme with keyboard •...
  • Page 16 U s e r p a r t 3.4 To hold, to continue with and to end a programme You can hold or end a programme or you can continue with it: • The controller is in a programme, see page 5.. •...

  • Page 17: Operation Level

    U s e r p a r t 4 Operation level In this level you can set parameters which are available to user. To enter the menu from basic MODE press for 3 seconds key On lower display blinks oPEr, set requested menu on upper display. Not all menus are accesible.
  • Page 18 U s e r p a r t ProF , creations of programme profiles If you edit a programme, as described in chapter Programme menu, you must go through and edit all steps. But you can have a programmme, where you need to change only a few parameters.Then it is convenient to create a programme profile.
  • Page 19 U s e r p a r t Now start editing a programme profile: Confirm Display Procedure Return Number of programme, set Prog Edit Full/ shortened edit of programme. Set shortened edit Shot Step Number of step, set tYPE Type of step, set StPt SP.

  • Page 20: Global Parameters

    U s e r p a r t MonI , monitoring of power and consumption In menu you cand find out the actual supplied power and the consumption of electrical energy. Confirm Display Procedure Return PCnt Actual supplied power in %. Total consumption in kWh.
  • Page 21 U s e r p a r t out1 , setting parameters of control output Menu is intended for manual setting of PID parameters or for improving parameters with regard to offset of controlling. Confirm Display Procedure Return Proportional band, 1.set of parameters Range: 1 to 2499 °C.
  • Page 22 U s e r p a r t 5 Tips In this chapter the tips for operating and setting of the controller and the troubleshooting some problems are described for an operator. 5.1 Running of programme, option for operation Running a programme is indicated by diode MODE (lit). On lower display appears set point value, on upper display appears process value.

  • Page 23: Event Outputs

    U s e r p a r t 5.4 Event outputs If the controller is fitted with event outputs, the states of the outputs can be programmed( oFF ... turned OFF, on … turned ON). The state is set when editing a programme in parameters E1.
  • Page 24 U s e r p a r t Programme FP3 point value 30 min. 1100 °C • Event outputs are turned OFF • Type of function GSD Strt 360°C/hou turnedON at beginning of step 2. and 4.. 30 min. 200 °C 100°C/hour time Programme FP4...

  • Page 25: Data History

    U s e r p a r t Permitted duration of supply interruption point value longer interruption device resumes in • resumes in programm programme • the last set point value • switches OFF output time Parameters for the definition of response to the supply voltage interruption: •...
  • Page 26 U s e r p a r t 5.8 Printing of measurement protocols on the printer If the controller is fitted with series communications RS 232, the printer series input port can be connected to the port/output of communications. The format of printing of measurement protocol is illustrated below.
  • Page 27 U s e r p a r t Important: • Autotuning can not take effect in ON/OFF control, ie. ot1 = ht2 or CL2. • Autotune set point value for autotuning is set by actual process value, by actual set point value and by parameter AtSP.

  • Page 28: Installation

    C o n f i g u r a t i o n a n d s e r v i c e p a r t 6 Installation The controleer is designed to be mounted to the panel cutout. Slide the controller into the cutout and fix with 2 flanges, that are supplied with the controller.

  • Page 29: Power Wiring

    C o n f i g u r a t i o n a n d s e r v i c e p a r t 7 Power wiring To avoid potential electric shock, use safety practices laid down by national standards when wiring and connecting this unit to a power source.
  • Page 30 C o n f i g u r a t i o n a n d s e r v i c e p a r t Process input – voltage or current The input impedance for voltage is 10 kOhms, current 5 Ohms. voltage current Analog (Retransmit) output...
  • Page 31 C o n f i g u r a t i o n a n d s e r v i c e p a r t The voltage as well as current output is isolated/ungrounded. voltage output current output load load max.

  • Page 32: Putting Into Operation

    C o n f i g u r a t i o n a n d s e r v i c e p a r t 8 Putting into operation The initial set-up can be done only by the qualified and authorised person. The wrong set-up can cause serious damage.

  • Page 33: Configuration Level

    C o n f i g u r a t i o n a n d s e r v i c e p a r t 9 Configuration level The configuration level is intended for basic setting of controller. In this level the control output is turned OFF and alarm, signal and event output is deactivated.
  • Page 34 C o n f i g u r a t i o n a n d s e r v i c e p a r t The entry to configuration level can be locked by password, see page 39. In this case the parameter PASS appears first (the requirement of password).

  • Page 35: Control Output

    C o n f i g u r a t i o n a n d s e r v i c e p a r t out1 , control output Display Meaning Function of the control output: • ht … switches ON/OFF the heating, PID controlling •...

  • Page 36: Analog Output

    C o n f i g u r a t i o n a n d s e r v i c e p a r t rtMt , analog output Display Meaning Value transmitted by the analog output: • PrC …...

  • Page 37: System Parameters

    C o n f i g u r a t i o n a n d s e r v i c e p a r t , system parameters Display Meaning Power of system under control in kW. This parameter is used for the calculation of consumed energy.
  • Page 38 C o n f i g u r a t i o n a n d s e r v i c e p a r t oPEr , setting parameters in operation level The parameters of operation level are accessible in configuration level for easier setting of the controller (there is no need to switch over between operation and configuration level).
  • Page 39 C o n f i g u r a t i o n a n d s e r v i c e p a r t 9.11 , lock Display Meaning The lock for set point value SP1. The controller switches the control output to set point value SP1, if a programme does not run and the control ON / OFF to SP1 is allowed(SLEP = SP), see page •...

  • Page 40: Service Level

    C o n f i g u r a t i o n a n d s e r v i c e p a r t 10 Service level This level is intended for servicing. You can get to service level from configuration level by pressing keys for 3 seconds.
  • Page 41 C o n f i g u r a t i o n a n d s e r v i c e p a r t 10.1 ASEt , extended configuration menu out1 , limitation the output power of control output Display Meaning The decide level for setting output power...
  • Page 42 C o n f i g u r a t i o n a n d s e r v i c e p a r t out4 , setting of output 4 Display Meaning Setting of the function of output 4: •...
  • Page 43 C o n f i g u r a t i o n a n d s e r v i c e p a r t , setting of the locks Display Meaning The lock for editing a programme: •...
  • Page 44 C o n f i g u r a t i o n a n d s e r v i c e p a r t 11 Tips for configuration In this chapter the tips for setting the device will be presented. 11.1 Measurement The right selection the instalation, the wiring and location of sensor in the equipment and the corresponding setting of parameters of the controller have the essential importance for the...
  • Page 45 C o n f i g u r a t i o n a n d s e r v i c e p a r t Measurement range of process inputs In configuration level, menu InP1, with the parameters rL1 , rh1 a dEC1 you can deliminate the measurement range of the process inputs.
  • Page 46 C o n f i g u r a t i o n a n d s e r v i c e p a r t PID control PID control is selected by setting ot1 = ht (heating) or CL (cooling).
  • Page 47 C o n f i g u r a t i o n a n d s e r v i c e p a r t 11.3 Power limit function You can improve the quality of control by limiting of the output power. Limit power can be set in configuraion level (parameters SPL1, PLd1 a Plu1 see page 35) and in extended configuration menu (parameters SPu1, u4 see page 41).

  • Page 48: Alarm, Signalling

    C o n f i g u r a t i o n a n d s e r v i c e p a r t Resulting limitation of power Limiting power by parameters Plu1, SPL1, Pld1 and SPu1, u4 is u1,…, SPu4, resulting limitation of power always smaller from both settings.
  • Page 49 C o n f i g u r a t i o n a n d s e r v i c e p a r t Alarm / signalling, the deviation from set point value: process value o2hI Active Deactive Set point value Active...
  • Page 50 C o n f i g u r a t i o n a n d s e r v i c e p a r t 11.5 Analog (Retransmit) output Analog (Retransmit) output transmits the value by the analog signal. For analog output it is neccesary to set quantity to be transmitted, the type of signal for transmitting and scale.
  • Page 51 C o n f i g u r a t i o n a n d s e r v i c e p a r t 11.6 Output event For the event output you can set its response to the interruption of programme with the parameter IEt_: •...
  • Page 52 C o n f i g u r a t i o n a n d s e r v i c e p a r t 11.9 Setting of user menu User menu, se page 8, provides a user with the simpliest access for viewing and setting parameters.
  • Page 53 C o n f i g u r a t i o n a n d s e r v i c e p a r t 12 Table of parameters write down your own complete setting of the controller to the table below. 12.1 Configuration and operation level Parameters of operation level and set point value SP1 are in menu oPEr InP1...

  • Page 54: Technical Parameters

    C o n f i g u r a t i o n a n d s e r v i c e p a r t 13 Technical parameters The controller is intended for use in industrial or laboratory equipment, the category of pollution / overvoltage II.
  • Page 55 C o n f i g u r a t i o n a n d s e r v i c e p a r t Resistance input Pt100 platinum, (RTD – resistance temperature detector) 2 or 3 wire, DIN curves, the detection of bad-wired / broken sensor: •...

  • Page 56: Warranty

    C o n f i g u r a t i o n a n d s e r v i c e p a r t Operating environment • 0 to 50 ºC • 0 to 90 % relative humidity, non-condensating Shipping and storage •...

  • Page 57: Description Of Model

    C o n f i g u r a t i o n a n d s e r v i c e p a r t 13.2 Description of model MT825 - a b – c d e f g h – i j k - l Ø...
  • Page 58 14 Index Introduction............................3 Basic terms............................. 4 Operation and description of controller....................4 Modes of controller..........................5 Information and error messages......................5 Overviev of levels, menu ........................7 User level..............................8 User menu ............................8 Programme menu..........................10 Starting a programme........................15 To hold, to contrinue with and to end a programme ................
  • Page 59 11.3 Power limit function ........................47 11.4 Alarm, signalling.......................... 48 11.5 Analog (Retransmit) output......................50 11.6 Output event..........................51 11.7 Signalling of the run and the end of a programme................51 11.8 Lock for menu of editing a programme ..................51 11.9 Setting of user menu........................

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Mt825-a

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