Simex PUR-94 User Manual
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Simex PUR-94 User Manual

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Firmware: v.1.00 or higher
•
Input type: universal
•
4 x 20 mm display
•
Read the user's manual carefully before starting to use the unit or software.
Producer reserves the right to implement changes without prior notice.
2015.10.01
User manual
CONTROLLER
PUR-94
Assisting the automation
industry since 1986
PUR-94_INSSXEN_v.1.01.003

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Summary of Contents for Simex PUR-94

  • Page 1 Assisting the automation industry since 1986 User manual CONTROLLER PUR-94 Firmware: v.1.00 or higher • Input type: universal • 4 x 20 mm display • Read the user's manual carefully before starting to use the unit or software. Producer reserves the right to implement changes without prior notice.

  • Page 2: Table Of Contents

    User manual - CONTROLLER PUR-94 CONTENTS 1. BASIC REQUIREMENTS AND USER SAFETY..................3 2. GENERAL CHARACTERISTICS........................4 3. TECHNICAL DATA............................5 4. DEVICE INSTALLATION..........................8 4.1. UNPACKING............................8 4.2. ASSEMBLY............................8 4.3. CONNECTION METHOD.........................10 4.4. MAINTENANCE..........................19 5. FRONT PANEL DESCRIPTION........................19 6. PRINCIPLE OF OPERATION........................20 6.1. MEASUREMENT MODE........................20...

  • Page 3: Basic Requirements And User Safety

    User manual - CONTROLLER PUR-94 Explanation of symbols used in the manual: - This symbol denotes especially important guidelines concerning the installation and operation of the device. Not complying with the guidelines denoted by this symbol may cause an accident, damage or equipment destruction.

  • Page 4: General Characteristics

    2. GENERAL CHARACTERISTICS The PUR-94 device has a universal input that can be configured to work as: a current input (in the range 0 - 20mA), as a voltage input (in the range 0-10V and 0-150 mV), as an RTD input (operating with Pt 100/500/1000 sensors) and as a TC input (operating K, S, J, T, N, R, B and E type thermocouples).

  • Page 5: Technical Data

    User manual - CONTROLLER PUR-94 3. TECHNICAL DATA Power supply voltage 85...230...260V AC/DC; 50 ÷ 60 Hz (separated) (depending on version) or 19... 24 ...50V DC and 16... 24 ...35V AC (separated) External fuse (required) T - type, max. 2 A Power consumption max.
  • Page 6 User manual - CONTROLLER PUR-94 K, S, J, T, N, R, B, E Thermocouple input Thermocouple input range K: -200˚C ÷ +1370˚C S: -50˚C ÷ +1768˚C J: -210˚C ÷ +1200˚C T: -200˚C ÷ + 400˚C N: -200˚C ÷ +1300˚C R: -50˚C ÷ +1768˚C B: +250˚C ÷...
  • Page 7 User manual - CONTROLLER PUR-94 Communication interface RS-485, 8N1 and 8N2, Modbus RTU, not separated Baud rate 1200 bit/s ÷ 115200 bit/s Display LED, 4 digit, 20mm height, red or (depending on version) LED, 4 digit, 20mm height, green Data memory...

  • Page 8: Device Installation

    User manual - CONTROLLER PUR-94 4. DEVICE INSTALLATION The unit has been designed and manufactured in a way assuring a high level of user safety and resistance to interference occurring in a typical industrial environment. In order to take full advantage of these characteristics installation of the unit must be conducted correctly and according to the local regulations.
  • Page 9 User manual - CONTROLLER PUR-94 90,5 mm 13 mm 8 mm 8 mm 13 mm max. 5 mm 1 mm 1 mm Figure 4.1. Recommended mounting hole dimensions 92 mm max. 5 mm Figure 4.2. Allowable mounting hole dimensions 92 mm...

  • Page 10: Connection Method

    User manual - CONTROLLER PUR-94 115 mm Figure 4.4. Minimum distances when assembly of a number of units 4.3. CONNECTION METHOD Caution - Installation should be conducted by qualified personnel . During installation all available safety requirements should be considered. The fitter is responsible for executing the installation according to this manual, local safety and EMC regulations.
  • Page 11 User manual - CONTROLLER PUR-94 - If the unit is equipped with housing, covers and sealing to, protecting against water intrusion, pay special attention to their correct tightening or clamping. In the case of any doubt consider using additional preventive measures (covers, roofing, seals, etc.).
  • Page 12 User manual - CONTROLLER PUR-94 RS - 485 Power +24V +5%, -10% supply max = 100mA DATA+ DATA- (depending on version) n.c. n.c. 5 6 7 8 9 10 11 12 13 14 15 31 32 33 34 35 n.c. n.c.
  • Page 13 User manual - CONTROLLER PUR-94 RS - 485 Power +24V +5%, -10% supply max = 100mA DATA+ DATA- (depending on version) n.c. n.c. 5 6 7 8 9 10 11 12 13 14 15 31 32 33 34 35 (optional)
  • Page 14 User manual - CONTROLLER PUR-94 RS - 485 Power +24V +5%, -10% Passive, isolated supply Current output max = 100mA DATA+ 4÷20mA (optional) DATA- (depending on version) 5 6 7 8 9 10 11 12 13 14 15 31 32 33 34 35...
  • Page 15 User manual - CONTROLLER PUR-94 internally connected 24V DC 31 32 33 34 35 31 32 33 34 35 Figure 4.14. Connection of 3-wire current transducer internally connected 24V DC 31 32 33 34 35 31 32 33 34 35 Figure 4.15.
  • Page 16 User manual - CONTROLLER PUR-94 31 32 33 34 31 32 33 34 31 32 33 34 n.c. n.c. n.c. Ra, Rb, Rc, Rd can be different Ra, Rc can be different Ra = Rc = Rd Figure 4.16. Connection of RTD sensors: a) 4-wires circuit;...
  • Page 17 User manual - CONTROLLER PUR-94 10 11 10 11 Figure 4.18. Examples of suppression circuit connection: a) to relay terminals; b) to the inductive load 12 13 12 13 LED 10 mA Logic controller voltage input 24 V Figure 4.19. Example of OC-type outputs connection...
  • Page 18 User manual - CONTROLLER PUR-94 ACTIVE current output Logic controller current input 0-20 mA Figure 4.20. Example of active current outputs connection (for device with active current output only) PASSIVE current output Logic controller Isolation loss current input 4-20 mA Figure 4.21.

  • Page 19: Maintenance

    User manual - CONTROLLER PUR-94 4.4. MAINTENANCE The unit does not have any internal replaceable or adjustable components available to the user. Pay attention to the ambient temperature in the room where the unit is operating. Excessively high temperatures cause faster ageing of the internal components and shorten the fault-free time of the unit's operation.

  • Page 20: Principle Of Operation

    User manual - CONTROLLER PUR-94 6. PRINCIPLE OF OPERATION After turning the power supply on, device ID and software version are showed on the display, next the controller goes to the measurement mode. 6.1. MEASUREMENT MODE In the measure mode, the measurement results, converted over selected characteristic, are displayed on the LED display.

  • Page 21: Detection Of The Peak Values

    . 6.1.1. detection OF THE PEAK VALUES The PUR-94 controller is equipped with peaks detection function. It can detect a peaks of the input signal and display their values. Presets connected with this function are placed in ”HOLd” menu (see description of ”HOLd” menu). The detection of the peak can be done if the measured signal raises and drops of value at least equal to parameter ”PEA”.

  • Page 22: Pid Regulators

    The controller’s signal may be redirected to any output of the device, which means that the PUR-94 may be used to control most objects used in the industry. The PID controller can be used to adjust such values as temperature, humidity, pressure, force, speed, flow rate, or level of a liquid or loose material etc.
  • Page 23 Lower limit Lo-H Lo-C Figure 6.6. General scheme of the PID controller implemented in the PUR-94 device Configuring the PID controller The PID controller can be configured in two ways: manually and automatically. In manual mode, the user defines all factors and additional elements of the controllers (fuzzy logic, inertia, output limiting and dead zone) at their own discretion.
  • Page 24 User manual - CONTROLLER PUR-94 Fuzzy logic block (FuZL submenu) Step changes in the setpoint can be mitigated by the use of the fuzzy logic block, which inserts speed control of the setpoint change. Thanks to its application the user may dictate how quickly a fuzzy value approximates the target value in the process (SEtP).
  • Page 25 User manual - CONTROLLER PUR-94 PID-C controll loop FuZL on FuZL off Histeresis time Figure 6.8. Comparison of the PID-C controller’s response to a change in the setpoint using and without the use of fuzzy logic The inertial block This is used to smooth the progress of the derivative block response, in other words to eliminate overly dynamic changes in the output signal’s value caused by the presence of...
  • Page 26 User manual - CONTROLLER PUR-94 There are 3 auto-tuning modes available, as a result of which the settings of one of the controllers will be selected: The At-F mode: Auto-tuning using both the controller’s control loops (At-F mode), during which two outputs of the device are controlled by two controller loops.

  • Page 27: Control Of The Relay Outputs

    User manual - CONTROLLER PUR-94 6.3. CONTROL OF THE RELAY OUTPUTS The control of the object (measured signal) is realized via relay outputs. Front panel LEDs named “ R ” indicates the state of particular relay output. If device is not equipped with one or more relay outputs, menus refer to this relays are available, but apply to LED indicators only.

  • Page 28: One Threshold Mode

    User manual - CONTROLLER PUR-94 6.3.1. One threshold mode Figure 6.11 presents the principle of relay outputs operation for one threshold mode, and an example values of other parameters. measured “SEtP” parameter displayed value signal (expected signal value) zone A “HYSt”...

  • Page 29: Two Thresholds Mode

    User manual - CONTROLLER PUR-94 The state of relay output while the input value exceeds the border values (points A, B, C, D) is described by parameter “modE”. The relay can be turned on ( “modE” = ”on” ), or turned off (“modE”...

  • Page 30: Pwm Controlling

    User manual - CONTROLLER PUR-94 Figure 6.12 presents the principle of relay outputs operation for two thresholds mode, and an example values of other parameters. In this mode parameter “SEt2” is accessible in common with “SEtP” , this parameter describes a second threshold of the relay output. The parameters “HYSt”, “modE”, “t on”, “toFF”, “unit”...
  • Page 31 User manual - CONTROLLER PUR-94 “Sour” parameter “InLo” “InHi” parameter parameter Figure 6.13. Example characteristics of an input - output signal in the "PULS" mode for parameters: “InLo” = 4, “InHi” = 14 There is also a possibility of protecting the signal from too high or too low fill factor, by inserting the parameters "H on"...

  • Page 32: Device Programming

    User manual - CONTROLLER PUR-94 Minimal D= 50% on and off Output time state Time [s] PEri = 200 Figure 6.14. An example of the progress of an OC type PWM output signal in PULS mode 7. DEVICE PROGRAMMING The device menu allow user to set all parameters connected to operation of measurement input, control modes, critical situations behaviour, communication via RS-485 and access settings.

  • Page 33: Parameters Edition

    User manual - CONTROLLER PUR-94 Pay attention when device parameters are being changed. If it is possible, turn off controlled installation (machine). Functions of the buttons while sub-menu and parameters choice: Selection of sub-menu or parameter for editing. Name of selected item (sub- menu or parameter) is displayed.

  • Page 34: Switch Parameters ("List" Type)

    User manual - CONTROLLER PUR-94 can be used. If [^] is pressed shortly (and button [v] is still pressed), decreasing slow down for a moment only, if [^] is pressed and held while button [v] is still pressed the decreasing slow down and will be kept on lower speed.

  • Page 35: Rel1" Menu

    User manual - CONTROLLER PUR-94 7.3.1. “rEL1” menu This menu allows to configure the operation mode of relays and LEDs marked „ R ” (e.g. „ R1 ”). If there are few relay outputs available, then every output has its own configuration menu (e.g.
  • Page 36 User manual - CONTROLLER PUR-94 threshold is accessible when “modE” parameter is set to “in” or “out” value. Threshold is the medium value of relay hysteresis. “HYSt” - hysteresis of relay (range 0 ÷ 999). Full hysteresis of the relay is equal to 2 times “HYSt”...
  • Page 37 User manual - CONTROLLER PUR-94 The above-mentioned parameters do not occur when the “modE" parameter is set to "PULS". In such a configuration the user has at his disposal the parameters: "InLo", "INHi", "Peri", "H on" and "HoFF". “InLo” - the lower limit of the range within which a change in the signal source causes a change in the PWM output signal fill factor.

  • Page 38: Beep" Menu

    User manual - CONTROLLER PUR-94 If option “noCH” is selected for “AL” parameter, behaviour of the relay may • depend on “FiLt” parameter in some cases. If “FiLt” is set to big value and the input signal drops, result value of the measure will change slow, causes of turning on or off relay due to thresholds values.

  • Page 39: Inpt" Menu (Parameters Of Temperature Inputs)

    User manual - CONTROLLER PUR-94 For current and voltage inputs displayed values are defined by parameters “Lo C” , ”Hi C” (or by user defined characteristic points) and parameter ”Pnt” . ”FiLt” - option allows to change the filtration time constant. Expressed in seconds.
  • Page 40 User manual - CONTROLLER PUR-94 (parameter “CHAr” = ”USEr” ) the If user defined characteristic is selected parameters „Lo C” and „Hi C” are not available for modification, due to their values are calculated from defined characteristic. “AddP” - this menu allow user to add single point to the user defined characteristic.

  • Page 41: Outp" Menu

    User manual - CONTROLLER PUR-94 ”Lo r” = 75,0% (3 mA) ”Hi r” = 5,0 % (1 mA) nominal measurement range (4-20mA) [mA] permissible measurement range measurement result is displayed display display regardless on nominal range exceeding message ”-Lo-” message ”-Hi-”...
  • Page 42 User manual - CONTROLLER PUR-94 “Omod” - analogue output mode. Depending on version of the device there are following options: For active current output: ”oFF” - current output disabled, ”0-20” - current output enabled with 0 ÷ 20 mA mode, “4-20”...

  • Page 43: Ctrl" Menu

    User manual - CONTROLLER PUR-94 This parameter can be set from 0 to 99.9% (for active current output and active voltage output) or from 0 to 29.9% (for passive current output). Parameter “Hi r” defines higher border of the range due to formula: = B + ( B ×...
  • Page 44 User manual - CONTROLLER PUR-94 Upper limit Hi-H Hi-C Offset OF-H OF-C Output limits Proportional Integral Dead zone block block Setpoint SEtP P -H tI-H dEAd P -C tI-C Fuzzy setpoint Derivative Inertial block block LooP td-H InEr Feedback td-C...
  • Page 45 User manual - CONTROLLER PUR-94 “ConF” - input settings of the controller: “dEAd” - width of the dead zone. For the definition of the dead zone, see chapter Błąd: Nie znaleziono źródła odwołaniaBłąd: Nie znaleziono źródła odwołania , “StAr” - the parameter (expressed in %) allowing to set the controller’s output status...
  • Page 46 User manual - CONTROLLER PUR-94 hard medi soft seconds Figure 7.3. Responses of the inertial block depending on factor T ““FUZL” - an additional fuzzy logic block. It enables a smooth change of the setpoint for the soft control of the object, “SLOP”...

  • Page 47: Bri" Parameter

    User manual - CONTROLLER PUR-94 SLOP = 0 SLOP = 1 SLOP = 5 SLOP = 10 unit Figure 7.4. Change in the fuzzy setpoint depending on the setting of the SLOP parameter 7.3.8. ”bri” parameter This parameter allows user to set bright of the LED display, bright can be set to conventional values from 1 to 8.

  • Page 48: Secu" Menu

    User manual - CONTROLLER PUR-94 “H r1” ÷ “H r4” - relay/LED outputs ( R1÷R4) operation mode: ”rEAL” - relay/LED operates depend on the current value, ”HOLd” - relay/LED operates depend on the peak (drop) value. ”HOUt” - current output operation mode: ”rEAL”...

  • Page 49: Edit" Parameter

    User manual - CONTROLLER PUR-94 The access to registers no 04h and 05h cant be denied by ”mbAc” parameter (see: LIST OF REGISTERS). ”mbtO” - this parameter defines maximal time (sec) between following frames received by the device. If the delay will be greater than the value of ”mbtO” parameter, the relays which are controlled via RS-485 interface, will set to alert state (see "OUtP"...

  • Page 50: Menu Structure

    User manual - CONTROLLER PUR-94 7.4. MENU STRUCTURE Measurement mode Press and hold at least 2 seconds MENU MENU 4-digit user password entering (if it is different from „0000”) 0 _ _ _ ENTER ENTER ENTER Parameter MENU rEL1 Sour...
  • Page 51 User manual - CONTROLLER PUR-94 See previous page ENTER ENTER Parameter MENU OSou OutP edition ENTER MENU Omod OUtL OUtH MENU Lo r Hi r option ENTER ENTER Parameter MENU modE CtrL edition ENTER MENU SEtP ENTER Parameter MENU COEF...
  • Page 52 User manual - CONTROLLER PUR-94 See previous page ENTER ENTER Parameter MENU SECu Scod edition ENTER MENU A r1 A r2 MENU ENTER ENTER Parameter MENU Addr A r3 edition ENTER MENU bAud A r4 mbAc APid MENU mbtO ENTER...

  • Page 53: The Alarm Led

    User manual - CONTROLLER PUR-94 8. THE ALARM LED Alarm LED (AL) lights in cases: • exceeding of permissible measurement range • detection of sensor malfunction (shortcut or break of measurement circuit) 9. OVER-CURRENT PROTECTION The current input of the device is equipped with over-current protection circuit. This circuit protects the standard resistor to damage.

  • Page 54: Linear Characteristic

    User manual - CONTROLLER PUR-94 10.1.1. Linear characteristic The normalized result is converted by fixed coefficients determined by “Lo C” and “Hi C” parameters (when the normalized results is equal 0, then value “Lo C” is displayed, and when the normalized results is equal 1, then value “Hi C” is displayed). Expression presented below...

  • Page 55: Square Root Characteristic

    User manual - CONTROLLER PUR-94 10.1.3. Square root characteristic The normalized result is rooted and further conversion is done as for linear characteristic. Conversion is made accordingly with the expression:  × "Hi C" −"Lo C"   "Lo C" , where W means the displayed value.

  • Page 56: Examples Of Calculations

    User manual - CONTROLLER PUR-94 Normalized measurement I (for 0-20 mA range) 0,35 5-elements characteristic X (PH) = „70.0.” Y (PH) X = „35.0.” Y (PL) X (PL) = „50.0.” X = „20.0.” Prąd wejściowy [mA] X = „90.0.” X = „100.0.”...
  • Page 57 User manual - CONTROLLER PUR-94 a) I =10 mA and I = 0,375 Accordingly to expression on page 54 for linear characteristic: 0,375 × [1200 -(- 300)] ≅ 562 and next, the “Lo C” value is added to the result , so the displayed value: W ≅...
  • Page 58 User manual - CONTROLLER PUR-94 Example 6: The user defined characteristic Let the input mode = 4-20 mA, and the user selected the 10 segment characteristic. To do this it is necessary to enter X and Y coordinates of 11 points (see Menu ”inPt”).
  • Page 59 User manual - CONTROLLER PUR-94 Calculated I do not exceeds the output working range (3.8 - 21 mA). b) D = „20.5” According to formula from page 42: = (20.5-10.0) / (20.0-10.0) × 16 mA + 4 mA = 1.05 ·16 + 4 = 20.08 mA Calculated I do not exceeds the output working range (3.8 - 21 mA).

  • Page 60: The Modbus Protocol Handling

    User manual - CONTROLLER PUR-94 11. THE MODBUS PRO TOCOL HANDLING Transmission parameters: 1 start bit, 8 data bits, 1 or 2 stop bit (2 bits are send, 1 and 2 bits are accepted when receive), no parity control Baud rate:...
  • Page 61 User manual - CONTROLLER PUR-94 Register Write Range Register description “tyPE” parameter in “InPt” menu (nominal input range): 0 - 0-20 mA range; 1 - 4-20 mA range; 2 - 0-5 V range; 3 - 1-5 V range; 4 - 0-10 V range; 5 - 2-10 V range;...
  • Page 62 User manual - CONTROLLER PUR-94 Register Write Range Register description 0 ÷ 1 “R3” parameter in “bEEP” menu: 0 - off; 1 - on 0 ÷ 1 “R4” parameter in “bEEP” menu: 0 - off; 1 - on “bri” parameter (display brightness);...
  • Page 63 User manual - CONTROLLER PUR-94 Register Write Range Register description “modE” parameter in “rEL2” menu: 0 ÷ 5 0 - “noAC” mode; 1 - “on” mode; 2 - “oFF” mode; 3 - “in” mode; 4 - “out” mode; 5 - “PULS” mode -999 ÷...
  • Page 64 User manual - CONTROLLER PUR-94 Register Write Range Register description “unit” parameter in “rEL3” menu: 0 ÷ 1 0 - seconds; 1 - minutes “AL” parameter in “rEL3” menu (only when rEL3 is relay output): 0 0 ÷ 2 - no changes; 1 - on; 2 - off -999 ÷...
  • Page 65 User manual - CONTROLLER PUR-94 Register Write Range Register description 0 ÷ 9999 “HoFF” parameter in “rEL4” menu, no decimal point included “Acti” parameter in “AL” menu, (only when rEL4 is OC-type output): 0 ÷ 1 “noCH” option; 1 - “USdu”...
  • Page 66 User manual - CONTROLLER PUR-94 Register Write Range Register description “Omod” parameter in “OUtP” menu (active current output mode) 0 ÷ 3 current output disabled; 1 - current output enabled with 4÷20mA mode; 2 - current output enabled with 0÷20mA mode;...

  • Page 67: Transmission Errors Description

    User manual - CONTROLLER PUR-94 Register Write Range Register description 0 ÷ 9999 “td-C” parameter in“PArC” menu, no decimal point included -999 ÷ 9999 OF-C” parameter in“PArC” menu, no decimal point included 0 ÷ 999 “Lo-C” parameter in“PArC” menu, no decimal point included 1 ÷...

  • Page 68: Examples Of Query/Answer Frames

    Data byte count in answer frame DATA H,L Data byte (Hi and Lo byte) CRC L,H CRC error check (Hi and Lo byte) 1. Read of the displayed value (measurement), PUR-94 device address = 01h: ADDR FUNC REG H,L COUNT H,L...
  • Page 69 User manual - CONTROLLER PUR-94 3. Change of the device address from 1 to 2 (write to reg. 20h) ADDR FUNC REG H,L DATA H,L CRC L,H DATA H - 0 DATA L - new device address (2) The answer (the same as the message):...

  • Page 70: Default And User's Settings List

    User manual - CONTROLLER PUR-94 12. DEFAULT AND USER'S SETTINGS LIST Desc. Parameter Description Default value User's value page Parameters of relay R1 operation (“rEL1” menu) Sour Relay R1 signal source InPU modE Operation mode of relay R1 SEtP Relay R1 threshold 20.0...
  • Page 71 User manual - CONTROLLER PUR-94 Desc. Parameter Description Default value User's value page OFFS Relay R2 output offset SEnS Relay R2 output sensitivity 100.0 Parameters of relay R3 operation (“rEL3” menu) Sour Relay R3 signal source InPU modE Operation mode of relay R3...
  • Page 72 User manual - CONTROLLER PUR-94 Desc. Parameter Description Default value User's value page OFFS Relay R4 output offset SEnS Relay R4 output sensitivity 100.0 Activation of acoustic signal (menu “bEEP”) Activation of acoustic signal by critical situation Activation of acoustic signal by relay R1...
  • Page 73 User manual - CONTROLLER PUR-94 Desc. Parameter Description Default value User's value page Lo r Extension of the bottom of the nominal output 5.0 (%) range Hi r Extension of the top of the nominal output range 5.0 (%) Current output value on critical exception 22.1 (mA)
  • Page 74 User manual - CONTROLLER PUR-94 Desc. Parameter Description Default value User's value page StAr Start state of the regulators dSrC Feedback of the regulators LooP InEr Inertial block PID regulators configuration (“FuZL” menu) SLOP Incline of the characteristics of the fuzzy logic block.
  • Page 75 User manual - CONTROLLER PUR-94 Desc. Parameter Description Default value User's value page mbtO Maximum delay between received messages rESP Additional delay of answer transmission Configuration of numerical parameters edition Edit Numerical parameters edit mode...
  • Page 76 SIMEX Sp. z o.o. ul. Wielopole 11 80-556 Gdańsk Poland tel.: (+48 58) 762-07-77 fax: (+48 58) 762-07-70 http://www.simex.pl e-mail: info@simex.pl...

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