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Vacon CX Manual

Frequency converters
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V A C O N
C X / C X L / C X S
F R E Q U E N C Y
C O N V E R T E R S
P u m p c o n t r o l
w i t h a u t o c h a n g e
Subject to changes without notice.
F O R S M O O T H C O N T R O L

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Summary of Contents for Vacon CX

  • Page 1 V A C O N C X / C X L / C X S F R E Q U E N C Y C O N V E R T E R S P u m p c o n t r o l w i t h a u t o c h a n g e Subject to changes without notice.

  • Page 2: Table Of Contents

    7 I/O-expander with pump and fan control ..59 8 Commissioning of pump and fan control ..62 9 Monitoring data ..........63 10 Panel reference .......... 64 Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...

  • Page 3: General

    Programmable ( par. 3. 8 ) control FAULT Figure 2-1 Default I/O configuration and connection example of the Pump and fan Control Application with autochange Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com E-mail: application.team@vacon.com...

  • Page 4: Control Signal Logic

    = si g nal line Figure 3-1 Control signal logic of the Pump and fan control Application. Switch positions shown correspond to the factory settings. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...

  • Page 5: Parameter Group 0

    0.1 to zero. 0.2 Parameter loading See User's manual chapter 11. 0.3 Language With this parameter the language of the graphical panel can be selected. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...

  • Page 6: Basic Parameters, Group 1

    U/f optimization 0—1 0 = None 1 = Automatic torque boost 1. 10 Nominal voltage 180—690 230 V Vacon range CX/CXL2 of the motor 400 V Vacon range CX/CXL/CXS4 500 V Vacon range CX/CXL/CXS5 690 V Vacon range CX6 1. 11 Nominal frequency 30—500 Hz...

  • Page 7: Description Of Group1 Parameters

    Squared U/f ratio can be used in applications where torque demand of the load is proportional to the square of the speed, e.g. in centrifugal fans and pumps. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 8 If the motor has to run a prolonged time under these conditions, special attention must be paid to cooling the motor. Use external cooling for the motor if the temperature tends to rise too high. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 9 1. 14 Supply voltage Set parameter value according to the nominal voltage of the supply. Values are pre-defined for CX/CXL2, CX/CXL/CXS4, CX/CXL/CXS5 and CX6 ranges, see table 6.4-1. 1. 15 Parameter conceal Defines which parameter groups are available:...

  • Page 10: Special Parameters, Groups 2-10

    9 = DC-braking command 10 = PI-contr. reference selection 11 = Interlock input, autochange 3 Note! = Parameter value can be changed only when the frequency converter is stopped (Continues) Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 11 2 = Set reference from the panel (reference r2) 3 = Signal from internal motor pot. 4 = Signal from internal motor pot. reset if Vacon unit is stopped 5 = Option board Ain1-signal 6 = Option board Ain2-signal 7 = Fieldbus signal 2.
  • Page 12 (control board) 2 = Set reference from the panel (reference r1) 3 = Signal from internal motor pot. 4 = Signal from internal motor pot. reset if Vacon unit is stopped 2. 27 Source B reference 0—par.2. 28 1 Hz...
  • Page 13 0 = Not used 1 = Ready 2 = Run 3 = Fault 4 = Fault inverted 5 = Vacon overheat warning 6 = External fault or warning 7 = Reference fault or warning 8 = Warning 9 = Reversed...
  • Page 14 Analogue input 0—2 0 = No supervision function 1 = Low limit 2 = High limit 3. 30 Analogue input 0—100% 0.1 % 0,0 % supervision value Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 15 0 = No prohibit frequency range range 3 high limit (1. 2) Note! = Parameter value can be changed only when the frequency converter is stopped. (Continues) Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 16 Default value is set according time constant minutes min. to motor nominal current 7. 9 Motor thermal protection 10—500 Hz 1 Hz 35 Hz break point frequency Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 17 0—1 0 = No reference fault trip 1 = Yes 8. 8 Automatic restart after 0—1 0 = No over/undertemperature 1 = Yes fault trip Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com E-mail: application.team@vacon.com...
  • Page 18 9. 17 Sleep delay 0—3000.0 s 0.1 s 30.0 s Time that the freq. has to be below par. 9.16 before stopping Vacon 9. 18 Wake up level 0—100.0 % 0.1 % 25.0 % Level of the actual value for restarting Vacon 9.
  • Page 19 1 = update immediately Note! = Parameter value can be changed only when the frequency converter is stopped. Table 6-1 Special parameters, Groups 2 - 9. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 20 10.11 Profibus process data3 0 - 99 10.12 Profibus process data4 0 - 99 10.13 LonWorks service button 0 - 1 Table 6-2 Fieldbus parameters, Group 10. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 21 Figure 6-1 DIA3 as DC-brake DIA3 command input: a) Stop-mode = ramp, UD009K32 b) Stop-mode = coasting DIA3 as DC-brake command input and stop-mode = Coasting Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com E-mail: application.team@vacon.com...
  • Page 22 With these parameters you can scale the input current signal (I ) signal range between 0 and 20 mA. See par. 2. 4 and 2. 5. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 23 11: Interlock inp. contact closed = Interlock of autochange drive 3 is active autochange 3 2. 14 Motor potentiometer ramp time Defines how fast the electronic motor potentiometer value changes. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 24 4 and value of the parameter 2. 2 is automatically set to 10. Analogue voltage signal from the terminals 202—203 of the I/O-expander Analogue signal from the terminals 204—205 of the I/O-expander - current signal, Vacon CX 100 OPT - voltage signal, Vacon CX 102 OPT Fieldbus signal 2.
  • Page 25 (In the figures voltage input U with signal range 0—10 V selected for source B reference) See Figure 6-5 Reference scaling and Figure 6-6 Reference scaling, par. 2.15 = 0. (next page). Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 26 Analogue voltage signal from the terminals 202—203 of the I/O-expander Analogue signal from the terminals 204—205 of the I/O-expander - current signal, Vacon CX 100 OPT - voltage signal, Vacon CX 102 OPT Panel reference r3, can be set on the Reference Page (REF) of the panel.
  • Page 27 PI-act. value2 100% x act. value max. 0 mA UD012K18 PI-error value 100%x error value max. PI-output 100% x output max. Figure 6-9 Analogue output Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com E-mail: application.team@vacon.com...
  • Page 28 3 = Fault A fault trip has occurred 4 = Fault inverted A fault trip has not occurred 5 = Vacon overheat warning The heat-sink temperature exceeds +70°C 6 = External fault or warning Fault or warning depending on parameter 7. 2 7 = Reference fault or warning Fault or warning depending on parameter 7.
  • Page 29 RO2 depending on the settings of the parameters 3. 6—3. 8. 3. 14 Torque limit, supervision value The calculated torque value to be supervised by the parameter 3. 13. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 30 DIA2: STOP PULSE Figure 6-11 External brake control: a) Start/Stop logic selection par. 2. 1 = 0, 1 or 2 b)Start/Stop logic selection par. 2. 1 = 3. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 31 Analogue current signal from terminals 4—5 Analogue voltage signal from terminals 202—203 of the I/O-expander Analogue signal from the terminals 204—205 of the I/O-expander - current signal, Vacon CX 100 OPT - voltage signal, Vacon CX 102 OPT 3. 29...
  • Page 32 This enables the frequency converter to decelerate the load with the torque equal to that of acceleration, if the brake resistor is selected correctly. See separate Brake resistor installation manual. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 33 If the regenerated energy is high it may be necessary to use an external braking resistor for faster deceleration. 4. 8 DC braking current Defines the current injected into the motor during the DC braking. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 34 UD009K23 STOP to use an external braking Figure 6-15 DC-braking time when par. 4. 7 = 1. resistor for faster deceleration. See figure 6-15. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 35 (output freq. resolution 0,01 Hz) 1 = Speed control: The I/O terminal and panel references are speed references and the frequency converter controls the motor speed (regulation accuracity ± 0,5%). Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 36 Par 6. 4 Par. 6. 6 (Olet. 10%) Par. 6. 7 (Olet. 1.3%) f[Hz] Par. 6. 3 Par. 6. 5 (Olet. 5 Hz) UD009K08 Figure 6-18 Programmable U/f curve. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 37 Parameters 7. 5—7. 9 Motor thermal protection General Motor thermal protection is to protect the motor from overheating. Vacon CX/CXL/CXS drive is capable of supplying higher than nominal current to the motor. If the load requires this high current there is a risk that motor will be thermally overloaded. This is true especially at low frequencies.
  • Page 38 Setting this parameter (or parameter 1. 13) does not affect the maximum output current of the drive. Parameter 1. 7 alone determines the maximum output current of the drive. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150...
  • Page 39 If the motor's t -time is known (given by the motor manufacturer) the time constant Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com E-mail: application.team@vacon.com...
  • Page 40 Tripping and warning will display the same message code. If the tripping is set on, the drive will stop and activate the fault stage. Setting the parameter to 0 will deactivate the protection and will reset the stall time counter to zero. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150...
  • Page 41 The torque values for setting the underload curve curve set between zero frequency and the field are set in percentage which refer to the nominal weakening point. The protection is not active below Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 42 If the underload counter value goes above this limit the protection will cause a trip (refer to the parameter 7. 14). If the drive is stopped the underload counter is reseted to zero. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 43 8.1 during the trial time, the counting is cleared after the time is elapsed and next fault starts the counting again. See figure 6-25. If the automatic restart trial time is 0s, the automatic restart is not used. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 44 Automatic restart after over-/undertemperature fault trip 0 = No automatic restart after temperature fault trip 1 = Automatic restart after heatsink temperature has returned to its normal level between -10°C—+75°C. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150...
  • Page 45 9.3 + 1 Hz drives (par 9.11) par. 1.1 Flow Flow Figure 6-26 Example of effect of parameters in variable speed and one auxiliary drive system. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com E-mail: application.team@vacon.com...
  • Page 46 9.12 Reference (analoginput) Time start Aux. drive 1 stop start Aux. drive 2 stop start Aux. drive 3 stop Figure 6-27 Reference steps after starting auxiliary drives. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 47 Furthermore, it shall be selected if the level (Par. 9.18) is percents of maximum value of the actual value or percents of the current reference signal value. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 48 9.18 is procents Par.9.18=140% limit from the current limit=140%*refrence=70% value of the refrence=50% reference signal time Start Stop Table 6-3 Wake up function parameter selections Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 49 Auxiliary drive 2 Figure 6-29 Example of the function of variable speed drive and two auxiliary drives when PI-regulator is bypassed with parameter 9. 20. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 50 In the pressure increase stations there may be need for decreasing the output pressure if the input pressure decreases below a certain limit. The function needs input pressure measurement that is connected to the analogue input selected with parameter 9.21. See figure 6-30. Vacon CX/CXL/CXS Input pressure measurement input, par 9.21 PI-controller actual value input par.
  • Page 51 (par. 9.10) Stop delay of aux. drive (par. 9.11) Aux. drive control Aux. drive Aux. drive speed speed vuorot4.fh3 Figure 6-32 Frequency drop and increase delays Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com E-mail: application.team@vacon.com...
  • Page 52 The frequency converter controlled drive stays same. Only the mains contactor is needed for each drive. Vacon Aux. drive 2 Aux. drive 1 Figure 6-33 Autochange only with auxiliary drives Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 53 The next time period counting starts from the autochange execution. See figure 6-35. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 54 Autochange level, frequency Time Par. 9.28 Par. 9.28 Autochange interval Autochange interval Aux. drive 1 control Aux. drive 2 control vuorot3.fh3 Kuva 6-35 Autochange interval and level Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 55 L1 L2 L3 K2.1 K1.1 VACON U V W ac2maint.ds4 U V W U V W Figure 6-36 Example of two pump autochange, main diagram Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com E-mail: application.team@vacon.com...
  • Page 56 Pump and fan control with autochange Page 56 Vacon 230 VAC VACON CX 24 VDC DIA2 DIA3 Autom. O Mains Autom. O Mains K1.1 K2.1 K1.1 K2.1 ac2contt.ds4 M1/Vacon M1/mains Vacon M2/mains Figure 6-37 Principal control diagram of two-pump autochange 9.
  • Page 57 The Modbus time-out determines how long the Fieldbus board waits for a message from a master device and is specific in seconds. Time can be set between 0 - 3600 s. Time 0 s = No time-out. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 58 LONWorks service button Changing the value of tjhis parameter from 0 to 1 or vice versa and pressing the Enter button cause the unique LONWorks ID number to be sent to the network. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 59 Relay output 4 Aux. drive 2 / Autochange 2 control Relay output 5 Aux. drive 3 / Autochange 3 control Figure 7-1 I/O-expander with pump and fan control application Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 60 Aux. drive 2 / Autochange 2 control Relay output 5 Aux. drive 3 / Autochange 3 control Figure 7-2 I/O-Expander 103 OPT with pump and fan control Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 61 Figure 7-2 I/O-Expander 202OPT with pump and fan control (Profibus) NOTE! Termistor input (terminals 327 and 328) must be shorted if not used. READY = ON, when mains voltage has been applied and Vacon CX is ready to operate. RUN = ON, when motor is running.
  • Page 62 Figure 7-3 I/O-Expander 201OPT with pump and fan control (Modbus) NOTE! Termistor input (terminals 327 and 328) must be shorted if not used. READY = ON, when mains voltage has been applied and Vacon CX is ready to operate. RUN = ON, when motor is running.
  • Page 63 Figure 7-4 I/O-Expander 203OPT with pump and fan control (LONWorks) NOTE! Termistor input (terminals 327 and 328) must be shorted if not used. READY = ON, when mains voltage has been applied and Vacon CX is ready to operate. RUN = ON, when motor is running.
  • Page 64 Open collector output 4 Fieldbus control I/O ground Ground for reference and controls Termistor input Signal from motor termistor Figure 7-5 I/O-Expander 200OPT with pump and fan control (Interbus-S) Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 65 L1 L2 L3 K2.1 K1.1 K3.1 VACON ac3maint.ds4 U V W U V W U V W Figure 7-6 Example of 3-pump autochange system, main diagram 230 VAC VACON I/O-expander 24 VDC K1.1 K2.1 K3.1 K1.1 K2.1 K3.1 ac3contt.ds4 M1/Vacon Vacon M3/mains...

  • Page 66: Commissioning Of Pump And Fan Control

    If interlocks are used then set the function active with parameter 9.31. Program own interlock input for each drive. If I/O-expander is in use it has interlock inputs as constant and the inputs of basic control board are not needed. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...

  • Page 67: Monitoring Data

    See V15, V16, V17 Table 9-1 Monitored items. DD = full days, dd = desimal part of a day HH = full hours, hh = desimal part of an hour Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...

  • Page 68: Panel Reference

    0—100 % 0,1 % Reference for PI-controller reference - Can be programmed to PI- controller reference 2 that can be selected with digital input. Table 10-1 Panel reference. Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com...
  • Page 69 Pump control with autochange Vacon Page 69 Remarks: Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com E-mail: application.team@vacon.com...
  • Page 70 V A CON PLC P.O. Box 25 Runsorintie 7 FIN-65381 VAASA FINLAND Phone: +358-201 2121 Distributor: Fax: +358-201-212 205 Service: +358-40-8371 150 E-mail: vacon@vacon.com http://www.vacon.com...

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