Operating Manual FRU-100 0.25 – 2,2 kW
Contents
1. Note down but an error occurs restarting will not be possible Default setting F25 Default setting Corner frequency is fixed and preset 010 Default setting 50Hz 020 Default setting 60Hz Notice Parameter F25 will be automatically reset to 000 aftera RESET to default settings has taken place e After all changes the parameter F23 will be set to 000 i e restart protection after error is no longer ensured Attention Change parameter F23 to 001 Fixed speeds 2 and 3 F26 Fixed speed 2 This is where you can set a fixed value for excitation frequency 20 0 gt Static torque Setting range available from 0 0 Hz to 200 Hz F27 Fixed speed 3 This is where you can set a fixed value for excitation frequency 30 0 gt Static torque Setting range available from 0 0 Hz to 200 Hz Automatic start after connecting mains voltage F28 Auto Start 001 program version 2 2 or later Auto Start function after connecting mains voltage 000 Auto Start with enabling terminal 3 after connection of mains voltage possible 001 Auto Start with enabling terminal 3 after application of mains voltage not possible Attention e After a power failure of more than 2s this function can used to select whether the frequency converter with pending release at terminal 3 should restart directly e f changed a direct start after applying the mains voltage will not be possible FR2. the mains potential by basic insulation 4 1 2 Electrical data of power section Voltage supply Use TT TN earthed networks Product Denomination Operation with constant torque Motor performance KW Motor current In A Motor cable mm Connected load KW Line current A Mains fuse A Power cable mm Earth discharge current mA Installation assembly Cooling system weight Kg Dimension Height mm Width mm Depth mm Cooling top bottom mm at 40 C left right mm FRU 100 Normal applications Special applications require prior FRU100 25 0 25 1 4 1 0 0 53 3 0 1 5 gt 10 Converter 0 8 132 72 118 120 0 L N AC 230V 50 60Hz FRU 100 FRU 100 FRU 100 37 75 150 0 37 0 75 1 1 2 3 4 2 7 5 1 0 1 0 1 0 0 88 1 6 2 9 5 2 9 4 16 6 16 20 20 1 5 2 5 2 5 gt 10 gt 10 gt 10 Converter Converter Converter 0 8 0 8 1 7 132 132 143 72 72 118 118 118 172 120 120 120 0 0 120 FRU 100 220 2 2 10 5 1 5 4 0 23 2 25 4 0 gt 10 Converter 1 8 143 118 172 120 120 Voltage supply Normal applications 3AC 400V Use TT TN earthed networks Special applications require prior 50 60Hz only use with IT networks consultation IS prohibite Product Denomination FRU FRU 100 100 153 220 Operation with constant torque Motor performance kW 1 5 2 2 Motor current ly A 3 8 5 2 Motor cable mme 1 0 1 0 Connected load kW 2 9 4 0 Line current A 5 0 6 7 Mains fuse A 10 10 Power
3. 002 Message Specified Value has been reached 003 Error Notice Relay contact max 250VAC 1A or 30VDC 1A Change of direction F22 Change of direction 000 000 Change of direction possible 001 Change of direction blocked Notice Forward is the only possi ble direction of rotation F04 cannot be set to 001 Automatic restart F23 Automatic ON 000 enabled 001 disabled 001 na Arale e This must not be changed as otherwise restart protection after faults would no longer be guaranteed Attentio n e Incase of a power failure of less than 2s you can select this function in order to decide whether the frequency converter is supposed to restart or to move into error mode Note e Error message LUC is issued during setting 001 and short term power failures 33 FRU 100 Para meter Function default setting Settings setting range Number of restarting attempts F24 Selecting an output 0 When the frequency converter moves into error mode due to a pending error message this parameter can be used to determine how many restart attempts should be made Ifthe fault happens on both sides the converter will restart Adjustment range available from 0 to 5 e f F24 0 the frequency converter will not try to restart during a pending error message e If the converter currently works by applying direct current braking or tries to shut
4. Cause i Remedy OCS Short term E 4 Motor short at housing Check motor start up peak 2 Motor cable short at earth Check motor cable current 3 Power transistor defective Contact supplier OCA Overcurrenton 1 gegen Boost ramp set too short Set boost ramp longer boosting i2 Incorrect V F characteristic Select different V F characteristic OATES AMARE E Motor performance too high Use larger frequency converter OCC Overcurrentin 1 Short term overload i Check load conditions continuous 2 Short term power cut Apply power choke operation FF OCD Overcurrent Coasting ramp too short Set coasting ramp longer during o Ccoasting EE AA OCB Overcurrent on Direct current braking i Check parameter settings F15 braking 4 Braking time too long F15 F16 F17 2 zang frequency too high A a a 3 __ Braking voltage too high F17 o o OUC Overvoltage 1 Coasting ramp too short Set coasting ramp longer during 2 Moment of inertia too large Use larger fre usa converter operating or 3 Excessive supply Apply power choke coasting u fluctuations Check the power voltage Set boost ramp longer Use larger fre Uny converter Apply power choke OHC Heat sink 4 To much strain Check strain Overtemperatur 2 Ambient temperature too Use larger frequency converter e high Check ventilation 33 Insufficient ventilation LUC Maine voltage a _ Mains voltage to
5. Significance Cause Remedy CPF Program error External electromagnetic effect Connect in parallel RC absorption circuit with interfering magnetic ma AA EE EPR EEPROMerror EEPROM defect Check and replace memory GE module as required 2222 OU Excess voltage a Supply voltage too high Check network voltage In standby 2 Measuring arrangement Contact supplier mode defective LU Undervoltage 1 Supply voltage too low i Check network voltage in standby 2 Measuring arrangement Contact supplier ANGKAN mode defective nn OH Overload in 1 Ambient temperature too high j Improve cooling standby mode 2 Insufficient cooling Contact supplier 3 Measuring arrangement defective Error messages that can be reset manually message Significance Cause Remedy _ 8 SEENEN OC Overcurrent i in Measuring arrangement defective Contact supplier i Standby mode l OL1 Motoroverload 1 To much strain Use larger motor 2 Incorrect V F characteristic Select different V F characteristic 3 Current limit F18 set incorrectly Check current limit F18 OL2 Frequency 1 i To much strain y Use larger frequency converter E converter 2 Incorrect V F characteristic Select different V F characteristic overload 37 FRU 100 Error messages that can be reset manually al and via auto reset Message Significance
6. default setting Settings setting range Multi function inputs F19 F20 Multi function input1 terminal6 002 Multi function input2 terminal 005 These inputs are ready for operation using the following settings Parameter Meaning 001 Inching mode with inching frequency from F09 002 Fixed specified value1 with frequency from F08 003 Emergency shutdown stop mode F14 is 004 ignored 005 External supervision 006 Reset faults are reset Fixed specified value2 with frequency from F26 Enable command terminal 3 must be issu ed for operation with fixed specified values In addition follow the engineering logic shown below Fixed target value 1 Fixed target value 2 Fixed target value 3 Fixed target value 4 Multi function Input1 Multi function Input2 Output frequency ON OFF Value from F08 OFF ON Value from F26 ON ON Value from F27 A fourth specified value can be set via analogue input terminal9 or alocal specified value This is applied if none of the multi function inputs is turned on Note e Emergency shut down The frequency converter shuts down the drive according to the set ramp e External supervision It is possible to connect a PCT thermistor analysing unit make contact element e Reset Resetting an error message via a multi function input Multi function output F21 Multi function output 003 001 Message Operation
7. o Stop You will have to reset Release Boost before you can restart ES Remote One of the multi function inputs F19 F20 has been configured to specified value Emergency Stop function and this message is pending operating mode Emergency local mode and remote specified value A enee AA IA BB External One of the multi function inputs F19 F20 has been configured to External supervision Supervision function and this message is pending operating mode local mode and remote specified value 9 3 Setting error message Significance Cause _ Sa a _ Remedy LOC Change of 1 E22 001 and via a input REV E Set F22 to 000 directionof terminal 4 to reverse and to _ Set F04 to 000 rotation Change direction of rotation E blocked 2 F22 and F04 are simultaneously set to 001 ER1 Error 1 Frequency converter is working The arrow keys are used in local E in operating mode remote specified mode only to increase or value F11 001 and the arrow decrease the output frequency keys UP or DOWN RESET were CPU program version is non pressed alterable 2 An attempt was made to change Merely parameters F01 F02 F04 CPU program version F29 and F13 can be changed during 3 Parameter should be changed operation during operation SM AA ER2 Error 2 A Parameter error F06 F07 F06 gt F07 FRU 100 36 9 4 Error messages Error messages that cannot be reset Message
8. system this parameter has to be setto 010 For a 60 Hz system this parameter has to be setto 020 Any other settings will have no effect This function is also used to change the corner frequency from 50Hz to 60Hz or vice versa 3 The parameter F25 will aut omatically be reset to 000 after invocation The default settings will remain until the change of individual parameters FRU 100 26 8 1 5 Menu structure List of parameters FRU 100 Space available for you to enter your A ud settings Parame Significance Default Customer Page ter setting setting F00 Factory adjustment 000 29 F01 Ramp up 05 0 29 F02 Ramp down 05 0 29 F03 Operating mode 000 29 F04 Direction of rotation 000 29 F05 Volts per Hertz characteristic 001 004 29 F06 Max speed 50 0 60 0 29 F07 Min speed 00 0 29 F08 Fixed target value 1 10 0 30 F09 Inching nominal value 06 0 30 F10 Enable local remote 000 30 y 001 F11 Specified value selection local remote 001 30 000 F12 Clock frequency 005 30 F13 Voltage elevation boost 00 0 31 F14 Stop mode 000 31 F15 Braking time 00 5 31 F16 Start frequency braking 01 5 31 F17 Braking voltage 08 0 31 F18 Motor rated current 100 31 F19 Multi function input 1 002 32 F20 Multi function input 2 005 32 F21 Multi function output 003 32 F22 Change of direction 000 32 F23 Automatic restart 001 32 F24 Number of
9. use for any other purposes 10 mA max load 1 e For information on wire cross section see chpt xxx Electrical Specifications of Control Section on page xx 16 FRU 100 6 2 3 Configurable analog input Before opening the doore the DIP switches on the FRU 100 only voltage free switch schalten Only in the voltages outdoor state the DIL switch switch Caution The analog input Clamp 9 can be used a voltage input 0 10 V or current input 4 20 mA or 0 20 mA frequency standard used The selection is made on parameters F11 and the DIL switch SW1 sw1 Signal Parameters Eat 0 20 mA F11 001 2 4 20 mA F11 002 VW 0 10 V F11 001 17 FRU 100 7 Installation 7 1 Precautionary measures for assembling When assembling the FRU 100 frequency converter please take the following precautionary measures e Assembly and commissioning of this FRU 100 frequency converters must be N carried out by technical staff in compliance with the relevant safety regulations Attention Use reliable fixings by following the recommendations below e Cooling and ventilation correspond to the recommendations made on the AN dimensioned drawings and assembly dimensions hereinafter e Cable and power terminals must be firmly connected according to Caution recommendations e For details on minimum distance fixing and ambient conditions please see chpt 3 1 Technical Specific
10. 00 24 8 Settings and commissioning 8 1 Operator panel All settings for the frequency converter are made at the control panel This function is described below Users who are already familiar with the control panel can continue with chapter Settings and initial start up page 8 2 8 1 1 Introduction FRU 100 frequency converters use a control panel comprising a 3 digit LED display and 5 function keys see fig 4 1 This allows simple diagnosis and configuration Operator panel Fig 4 1 Operator panel 25 Display and menu SPER i Od IU Parameter Ebene FRU 100 8 1 2 Function keys for settings of the drive The 5 function keys enable free movement among the tree menu and the settings for the respective parameters The individual function of these keys is as follows o a v DSP FUN The menu key allows you to switch bet ween the operating mode display and the diagnosis parameter level The display shows the specified value in standby mode output frequency is displayed whilst the motor is rotating After selecting the TINO the most recently se lected parameter will appear on the display Cc z DATA DATA ENT This key is used to access individual values from the parameter level To return to parameter level simply prons this key again Any changes you made will be adopted and confirmed beforehand by the message End HIGHER This key enables you to advance within the selected menu
11. 2 FRU 100 75 No 06 10 003 Steuerklemmen Control terminals HDD Re gt IS SEENEN Saas E a PE ies Powerterminals DEEE O aaa Fern E gat Bedientasten Funktion keys DIL Schalter DIL Switch Leistungsklemmen Fig 1 1a Important parts of FRU 100 frequency converter 1 phase units 6 8 6 DD ort Valid for ALT Y DIL Schalter DIL Switch ig bell FRU 100 153 No 06 10 006 PE I Leg ee FRU 100 223 No 06 10 007 O Bild 1 1b Important parts of FRU 100 frequency converter 3 phase units D Note FRU 100 Apply M4 cable lugs when connecting the earth wire 4 Technical Data 4 1 1 General information Control section Operation via integrated control panel or optionally via external analogue and digital inputs outputs Output frequency Boost Fixed Stop functions 0 200 Hz 0 10 specified 3 Ramp DC deceleration coasting Protections Surveillances Volts per hertz characteristic Overload capacity Short circuit phase phase or phase earth peak current 200 rated current overload 150 60s IGBT overtemperature overvoltage undervoltage 6 different adjustable characteristics 150 In 60 s voltage towar
12. 9 4 1 4 Special requirements for installation as per UL requirements assssoo00001aanaaaaenne 10 LI IVBE COI AA AAA a 10 4 2 ORDER DATA aman aalma aaa aa Kan 10 5 DESCRIPTION OF FUNGTION 2 a a En 11 6 CONNECTION AND WIRING HINTS 222444444440000000000000nn nn nn nn nn nnnnnnnnnnn nn nnnnnnnnnnnnnnnnnennnn 13 6 1 BASIC WIRING DIAGRAM ee ee ee ee ee AG Reg 14 6 2 Terminal Deseriplion au rn cs een en 19 T INSTALLATION sooo is beac ABA 18 7 1 PRECAUTIONARY MEASURES FOR ASSEMBLING ass ei ia 18 7 2 MECHANICAL INSTALLATION WEEN 18 7 3 DIMENSIONED DRAWING AND ASSEMBLY DIMENSIONS oooooccccccccccccnnnnnnnnnccnnnnnnonnnnnnnnnncnnnnnnnns 19 E 0 Converter nn Ei 19 7 4 ELECTRICAL INSTALLATION anne AALALA LA 21 LAT Power supply WING Uma aNG ANAN GERA 21 7 4 2 Overload and short circuit Droiechon 22 743 O O AA AA vert rrr errr reer ree 22 7 5 ENIC COMPEIANT INSTALLATION 000 AE DAA A 23 7 5 1 Important information about EMG iz maa asa 23 7 5 2 EMC filter for minimising grid bound faults aaaseeaaaaaaanannneeennnnnnnnnnneeennnnnnnnnneeene 23 7 5 3 Admissible line length of motor cable nee ennnnnnnnnnnnne 24 8 SETTINGS AND COMMISSIONING 44424200000000000nnnnnnnnnnnnnnnnnnn nenn nun nnnnnnnnnnennnn 25 8 1 OPERATOR PANEL nettes 25 8 1 1 A lite 25 8 1 2 Function keys for settings of the drive 26 8 1 3 Function keys during on site operation local model 26 8 1 4 Resetting all parameters to default s
13. Heavy starting 006 Pump Ventilator Note e For ventilators and pumps with a great breakaway torque or moment of inertia Linear setting may be of an advantage e Parameter F25 default value for frequency is not automatically changed at the same time You must set the corner frequency separately Maximum and minimum speed F06 max rpm Maximum value for excitation frequency Excitation frequency is 50 0 proportional to speed gt Specification of maximum speed Setting range available from 1 0 Hz to 200 Hz F07 Minimum speed Minimum value for excitation frequency Excitation frequency is 00 0 proportional to speed gt Specification of minimum speed Setting range available from 1 0 Hz to 200 Hz FRU 100 30 Para Function Settings meter default setting setting range Fixed speed F08 Fixed target value 1 This is where you can set a fixed value for excitation 10 0 frequency gt Static torque Setting range available from 0 0 Hz to 200 Hz Inching frequency F09 Inching nominal value Fixed value for inching mode 6 0 Setting range available from 0 0 Hz to 200 Hz Enable local remote mode F10 Enable Change between remote operation and manual operation 000 000 Local mode via RUN STOP key 001 Remote mode via terminal 3 FW boost Specified value selection loca llremote F11 Specified value selection 000 Default for specified value of exc
14. Operating Manual FRU 100 Digital Frequency Converter 0 25 2 2 kW KALEJA Elektronik GmbH Str belweg 14 D 73553 Alfdorf Phone 49 7172 93711 0 Fax 49 7172 937 11 90 http www kaleja com e mail info kaleja com Validity C This operating manual contains important information on CE marking Project planning assembly and wiring commissioning and servicing Copyright KALEJA 2009 All rights reserved Forw arding as well as multiplication of th is documentation utilization and the disclosure of its contents is prohibited unless specific approval was given Contraventions will incur compensation payments The manufacturer reserves the right to correct or alter content and product details as well as omissions w ithout prior notice and does not assume liability for damages injuries or expenses resulting from aforementioned measures For your retention Table of Contents UNE TE DE 1 1 1 ARE Calo OPERATING MANUAL ke ee ee 1 1 1 1 Definition of PICO APN anes EEE 1 1 27 TECHNICAL Oe Tee 1 2 SAFETY NOTES AND ENVIRONMENTAL PROTECTION ccccccceeceeseseeeeeeeeeeeeeeeeeeeees 2 2 1 GENERAL Een e 2 2 2 ENVIRONMENTAL PROTECTIONS EN 2 2 3 ADDITIONAL INFORMATION Sut Ad 2 3 DESCRIPTION OF DEVICE nee 5 4 TECHNICAL DATA SA AOS 7 4 1 1 General o en een 7 4 1 2 Electrical data Of Power SECT aaa 8 4 1 3 Electrical specifications for control section esaae0aanaaannnannnnnnnnnennreeenneennnnnnrneneena
15. Simm FRU 100 150 143 118 172 127 5 mm 108 mm FRU 100 220 MGA EE E FRU 100 153 FRU 100 223 Picture 3 1 Dimensions and sizes 19 FRU 100 7 3 2 EMC filter Limit B F e oaa je Picture 3 2 Dimensions and mounting f r Picture 3 3 Dimensions and mounting for option for option EF FRU 75 EF FRU 220 EF FRU 223 7 3 3 Braking Resistor FRU 100 20 7 4 Electrical installation Wiring requirements for the use of FRU 100 frequency converter for speed alteration will be discussed below The great variety of specific applications rules out a depiction of all possible wiring diagrams 7 4 1 Power supply wiring Please follow safety regulations when working on electrical systems N The power terminals carry high voltages Physical contact may result in life threatening shock currents Comply with all national norms and local safety regulations issued by the local power station Do not forget to turn off the power supply before carrying out any work on the AN frequency converter or motor Wait until the discharge time of the DC link capacitors has passed no less than 3 minutes Caution Prior to carrying out high voltage insulation measurements on the wiring disconnect the FRU 100 frequency converter from the circuit to be tested Furthermore pay attention to the following e Power cables must be designed for at least 1 1 x rated current e Lay power cables in p
16. U 100 34 Param eter Function default setting Settings setting range Display parameter F29 CPU program version F30 Error messages This parameter is used to display and reset the last three error messages The order of error messages is indicated by a full stop x xx Last error message xx x One but last error message xxx First error message Note e To display the last three error messages press the arrow UP key e To reset error messages press the arrow DOWN RESET key 35 FRU 100 9 Operating and error messages 9 1 General FRU 100 frequency converter offer many warning and error evaluation functions This considerably reduces the danger of damage to frequency converter motor and related equipment under faulty conditions The diagnosis information on the control panel s display unit often facilitates quick error location If you detect a fault in the FRU 100 frequency converter return the frequency converter to the supplier we strongly advice against repairs on site 9 2 a messages AA AP NAA APA PAA A A A AA AATAKE AALALA ATA PAA PA SP1 Auto Start Release boost command at terminal 3 is enabled when mains voltage is impossible applied but the auto start function disabled Check setting of parameter F28 SP2 Local mode Frequency converter is working in remote specified value mode and Emergency RUN STOP key is pressed on frequency converter
17. acitors in the intermediate circuit carry high voltage even after disconnection Before opening the device wait for 3 minutes to allow time for discharge If the required safety precautions are not followed FRU 100 frequency converters may consti tute an electrical safety hazard involving danger to life or injury if t he required safety precautions are not followed Rotating and moving machine parts also pose a danger to life risk of injury or material damage N These FRU 100 frequency converters have been factory checked before Attention dispatch Prior to assembly and commissioning however please check the devices for possible damages in transit loose components packaging material etc Before carrying out high voltage resistance tests on the wiring disconnect the FRU 100 frequency converter from the circuit to be tested Caution Replacing a When replacing the FRU 100 frequency converter it is imperative to device correctly install all user defined parameters determining the proper operation of the drive before restarting the device Disregard of this step may result in danger or risk of injury Attention Installation e This product has an IP20 rating To ensure safe and reliable operation please comply with any assembly regulat ions relevant for the respective location Attention e Make sure that mechanically faultless fixings according to recommendations are used the frequency converter is supplie
18. articular 3 phase motor cables isolated from the desired and actual value cables and from the wiring of other electronic assembly groups e What is required is a power supply within the tolerances set out in chpt 3 1 2 Electrical Specifications Power Circuit page 8 e The specified cable cross sections are as set out in Electrical Equipment of Machinery EN 60204 1 for PVC insulated copper cables for permanent operation up to 40 C ambient temperature e Allowing for the specified types of layout according to the following differentiation B1 Protective tube or cable duct with three live single conductor wires B2 Protective tube or cable duct with three live wires in one cable C Wall mounting of cable with three live wires E Mounting on cable rack 21 FRU 100 7 4 2 Overload and short circuit protection Carry out and protect supply according to regulations e g see table below FRU 100 Power cable Motor cable Type Mains fuse Cable cross sec Wiring type Cable cross Wiring type Power switch section FRU 100 25 16A 1 5 mm B1 B2 C E 1 0 mm B1 B2 C E FRU 100 37 16 A 1 5 mm B1 B2 C E 1 0 mm B1 B2 C E FRU 100 75 20 A 2 5 mm B1 B2 C E 1 0 mm B1 B2 C E FRU 100 150 20A 2 5 mm B1 B2 C E 1 0 mm B1 B2 C E FRU 100 220 25 A 4 mm B1 B2 C E 1 5 mm B1 B2 C E FRU 100 153 10 A 1 5 mm B1 B2 C E 1 0 mm B1 B2 C E FRU 100 223 10A 1 5 mm B1 B2 C E 1 0 mm B1 B2 C E Use standard time lag f
19. as far as available separate ventilators can be rotated by hand without difficulty 8 2 2 Drive system safety Check the whole drive system for safety In particular ensure that 1 machine rotation regardless in which direction does not cause damage 2 no one is working on the machine or drive who may be endangered by switching on the power supply or by movements of the drive 4 no damage is caused to other facilities or parts by switching on the power supply or movements of the drive 8 2 3 Preparations for switching on drive Caution Attention Prepare switching on of drive as follows 1 Release FRU 100 frequency converter by removing the input safeguard or opening the circuit breaker 2 If possible uncouple motor shaft from its load 3 Check whether the power switch or selector switch is set to OFF 4 After 1 3 have been carried out carefully establish power supply to FRU 100 frequency converter FRU 100 28 5 Ensure that important parameters such as POTs are set to minimum end stop left end stop and that ramp times are set according to default values See pages 4 6 These values are suitable for most applications Application specific modification may be necessary 6 Afterwards switch off the FRU 100 frequency converter 8 2 4 Starting the drive After all these preparatory steps have been carried out carefully and all safety regulations taken into consideration you can then start up the dr
20. ations and the drawings below 7 2 Mechanical installation Assemble FRU 100 frequency converters horizontally on a level vertical plane For dimension of the FRU 100 frequency converter and the position of anchorage points please see fig 3 1 The following assembly options are provided e Assembly on mounting panel using two M4 screws Mounting on 35mm DIN rail Under normal operating conditions the FRU 100 frequency converter will generate heat Assembly should therefore allow for unhampered vertical airflow along the converter In addition the mounting panel should be cool and any transmission of heat radiating from adjacent equipment should not be transmitted to the FRU 100 frequency converter To ensure correct ventilation fo rthe FRU 100 arrange for the cooling distance set out in the information on pages 8 and 9 The assembly next to one another of several FRU 100 frequency converters or other devices belonging to the power electronics with simultaneous consideration of the cooling di stance is feasible provided t he maximum ambient temperature is not exceeded FRU 100 18 7 3 Dimensioned drawing and assembly dimensions 7 3 1 Frequency converter DIN rail adapter K hlabstand Clearance for cooling PES Mounting 35 mm Mounting rail 3 Screws FRU 100 Height Width Depth Hole distance A Hole distance C FRU 100 25 to FRU 100 37 132 mm 72 mm 118 mm 116 mm
21. bited Further information is available on request The filters have integrated capacitors between the phases and the phases towards earth as well as discharge resistors After disconnecting from the mains please wait for at least 3 minutes before removing the protective covers or touching terminal clamps Non compliance may result in life threatening injuries due to electric shock Regulations for safe earthing take priority over EMC earthing at all times The earth wire connection between the power supply and the FRU 100 frequency converter has to be executed in the form of a fixed installation For this purpose plan the connection of a sec ond earth wire parallel to the first connected to separate earth connections on the FRU 100 frequency converter Each earth wire has to be designed separately according to the rules Clock frequency and cable length to the motor have a considerable effect on the losses of the EMC filter The use of earth current monitoring systems in combination with FRU 100 frequency converters or similar is not suitable for personal protection Personal protection will have to be provided in a different way see EN50178 VDEO160 Please seek information about the relevant directions and possible threshold value changes 7 5 2 EMC filter for minimising grid bound faults In order to reduce grid bound faults the standard equipment of each FRU 100 frequency converter includes an integrated EMC filter of class A To rea
22. cable mm 1 5 1 5 Earth discharge current mA gt 10 gt 10 Installation assembly Cooling system Converter approx weight kg 1 6 1 6 Dimensions Height 143 Width mm 118 118 Depth 172 172 Cooling distance top mm 120 120 bottom at 40 C left right mm 120 120 4 1 3 Electrical specifications for control section Reference and Reference voltage for analoque inputs 10 V 5 10 mA max auxiliary volt Auxiliary voltages for digital inputs 12 V 15 50 mA max Analogue m Max admissible Se dee 10 bit Digital inputs and outputs imputs outputs Logic system DC 12 24 V Potential free relay contact Max load 4 5 mA 250 V AC 1A As per EN60204 1 application of 0 2 0 75 mm is recommended Control terminals 9 FRU 100 4 1 4 Special requirements for installation as per UL requirements Earth wire connectors Symbol O IEC publication 417 symbol 5019 is used to designate the earth wire connector Motor overload External motor overload protection has to be provided protection UShort circuit Fuses must be wired inside the supply Select these fuses according the Technical Specification chapter 4 Short circuit Suitable for use in supply with short circuit current not greater than behaviour of 5000 A rms symmetric supply Corner frequency The maximally adjustable corner frequency is 60 Hz Operating temp See Technical Specifications chapte
23. ch threshold value B it is possible to install an additional EMC filter The cable connection between the FRU 100 frequency converter and the motor must be installed far from other cables or lines preferably using a shielded execution 23 FRU 100 The FRU 100 frequency converter has to be connected firmly and permanently to the earth wire so as to prevent the hazard of electric shock in case of a failure e g phase failure This is achieved by connecting a second earth wire c onnected parallel to the first Each earth wire has to be designed separately according to the rules Anodised or yellow dichromated surfaces such as cable or norm profile rails screws etc possess great HD impedance that acts negatively on EMC To ensure protection against corrosion apply grease to anchoring points and Note threads Alternatively you can apply conducting varnish to any empty surfaces on the mounting panel For frequency converter fed drives cable bound failures increase proportionately to the length of the motor cable 7 5 3 Admissible line length of motor cable Shielded armoured cables possess a significant capacity between the conductor and the shield This capacity increases linearly with the cable length Typical values are 200pF per metre however these values depend on the type of cable and the nominal current value Long cable lengths may exhibit the following undesired characteristics During charging and di
24. d for operation in TT TN networks with earthed neutral point for power supply The use in IT networks is prohibited e Ensure that the additional earthing bolt on the device has been connected e Use only cables with standard connection N e The device must be connected by trained technical staff e The basic wiring diagram does not contain comprehensive connection information on EMC and protective earthing See chapter 7 5 EMC compliant installation A Note 13 FRU 100 6 1 Basic wiring diagram FRU 100 25 37 75 FRU 100 150 220 FRU 100 153 223 Picture 2 1 Basic wiring diagram FRU 100 FRU 100 14 6 2 Terminal Description life threatening shock currents Do not forget to turn off the power supply before carrying out any work on Attention the frequency converter or motor Wait until the discharge time of the DC link capacitors has passed no N The power terminals carry high voltages Physical contact may result in less than 3 minutes FRU 100 frequency converters are designed for operation in TT TN networks with earthed neutral point for power supply The use in IT Caution networks is prohibited 6 2 1 Power terminals Tittle Function Explanation Connection for protective earthing All safety and EMC instructions in chapter 3 Connection for power 1AC 200 240 V 410 15 Yo 3AC 200 240 V 10 15 Yo 3AC 380 480 V 10 15 M
25. d with sufficient cooling air according to the recommended cooling intervals cables and connection technology meet recommendations assembly and commissioning is carried out by expert technicians specified values are not exceeded FRU 100 2 Implementation e The integration of the devices into other facilities or systems lies beyond risk the supplier s or manufacturer s scope of responsibility This includes applicability effect operational safety and other facilities or systems e If applicable the user should consider the relevant aspects of the risk Attention assessment below Servicing e Servicing must be carried out by trai ned expert technicians according to Repairs manufacturer s instructions or sent off to the supplier for servicing e Repairs carried out by the customer in particular when non designated spare parts are used for this purpose may result in danger or risk of Attention injury l o l Ba e Repair reports for repairs will only be co mpiled if the defective device is accompanied by a detailed fault description Risk A drive that is operated under faulty conditions or conditions contrary to assessment the intended use may adopt incorrect speed cause high motor overspeed Attention cause an incorrect direction of rotation for the motor The motor may be live unless suitabl e counter measures are effective on the system The user has to designate sufficient mechanical covers a
26. ds PE Diagnosis Error messages on three digit LED display Inputs Out puts Analogue inputs Speed specified value 0 10 V 0 20mA or 4 20mA Analogue output Output frequency 0 10 V 0 V 0 Hz 10 V Max speed F06 Digital inputs Potential free contacts or external DC 24 V Industrial logic circuit for 12 24 V DC Power up Reverse Multi function inputs inching fixed specified values emergency stop external supervision reset Digital output Potential free relay contact for messages Turned on Specified value has been reached Fault Voltage Voltage 15 rated voltage for normal application Frequency 50 60 Hz Overvoltage category IlI Rated insulation AC 300 V For use with TT TN networks with earthed neutral point only FRU 100 ENVIRONMENT A dmissible temperatures Climatic conditions Other Installation level Safety Protection class IP protection type Applied norms Operation 10 35 Storage 25 55 Transport O 70 0 95 relative humidity The cooling air used must be as free of C C C short term dust as possible non corrosive and non flammable From 1000m above MSL 1 5 performance reduction per 100m max 2000m above MSL EN50178 1EC536 basic insulation and earth wire the user will be responsible for a proper connection of the earth wire PE IP20 EN60259 Finger Safety Potential separationSignal and the control circuit is isolated from
27. ettings nennen 27 Gila MOT STUCCIU SER Mel ele a MG SOL NN 26 8 2 SETTING AND INI IAL START UP getest 28 8 2 1 Tests to be carried out before initial etart up 28 8 2 2 Drive Syster safety AAA panahanan A RA A AE e 28 8 2 3 Preparations for switching on drive 28 9 2 4 Staring Ne INE AAA AAA AA AA AAA 29 FRU 100 l 8 3 PARAMETER LEVEL ee nalen seele le lee pa 30 9 OPERATING AND ERROR MESSAGES 22220 u0 u0 0a00 ann ann an nam ann ann nn nr 36 9 1 GENERA E ri dd NALNG NANANA acted PALA gael sed ctl PANDA NADAL NA PALA dak PAA PAL tabi ded AA NANANG 36 9 2 OPERATION MESSAGES anansnnnnnnnnennnennrnrnnnnnrnrnrn nrnna areren nAn AEA EAER EAEEEEEEE RE REEEEE REEERE EEEn nnna 36 9 3 SETTING ERROR sii AAA AAA AA 36 9 4 ERROR MESSAGES AL 37 9 5 FURTHER TROUBLESHOOTING 000 NANANA Naa 39 IEN gt 37 1 0 RAPE AA AA AA AA 40 10 1 REGULARMAINTENANCE 00 Naa 40 10 2 REPAIR ee nn NA dato tas 40 EIS AAP 40 FRU100 II 1 General 1 1 Re this operating manual This operating manual is intended for users posse ssing the relevant technical knowledge This operating manual contains a functional description of the FRU 100 frequency converter No description of the machine or system into which the FRU 100 frequency converter s are integrated may be deduced from this operating manual This operating manual is meant for everyone who is planning to use the FRU 100 that is everyone who is involved in its asse
28. igh a value may cause a fault in the frequency converter due to overcurrent or boost may fail or motor may succumb to Note thermal overload Stop mode F14 Stop mode 000 Ra mp Controlled deceleration on ramp according to 000 set value for parameter F02 Direct current braking 001 Coasting Deceleration without brake effect F15 Braking time Brake time indicates how long it takes before the motor is 0 5 braked by means of direct current after the deceleration of the ramp Setting range available from 0 0 s to 25 5 s F16 Starting frequency Frequency at which direct current braking starts during deceleration 1 5 Setting range available from 1 0 Hz to 10 0 Hz F17 Braking voltage Variable of braking voltage for direct current braking pulse 8 0 Setting range available from 0 0 to 20 0 Motor rated current F18 Motor current Setting range available from 0 0 to 200 100 To protect the motor against overload it is possible to set the motor current in relation i to the output current of the FRU 100 The FRU 100 switches off after 1 minute at settings below 100 and when reaching 150 of the motor current set Error Note message OL1 Motor Overload appears Settings of more than 100 will result in a switch off of the FRU 100 after reaching an overload of 150 generating error message OL2 Frequency Converter Overload FRU 100 32 Para meter Function
29. inst thermal overload by a protective motor switch The drive may start overheating during low speed if its ventilation becomes insufficient In this case it will be necessary to use a separate ventilator This usually happens with minor excitation frequencies of lt 15Hz Caution 29 FRU 100 8 3 Parameter level Para Function Settings meter default setting Grey values are feasible on request FOO Factory adjustment Do not change this value under any circumstances Ramps F01 Ramp up These are used to set the time that is required by the motor to 5 0 reach the maximum speed specified in parameter F07 Setting range available from 0 1 s to 999 s Changes may also be made during operation F02 Ramp down This is where you set the time required by the motor from the 5 0 point of shutdown to a total stop Setting range available from 0 1 s to 999 s Changes may also be made during operation Operating mode contact 3 contact 4 F03 Operating mode 000 Forward Stop Back Stop 000 001 Boost Stop Forward Back See also chpt 5 3 2 control terminals Direction of rotation F04 Direction of rotation 000 000 Forward 001 Backward Volts per Hertz characteristic F05 Volts per Hertz characteristic This is where you set the start up behaviour At 50Hz network 001 Linear 002 Heavy starting At 60Hz network 004 Linear 003 Pump Ventilator 005
30. itation frequency 000 Local specified value manual selection via control panel 001 Remote setpoint via analog input term 9 SW1 3 0 10V 002 Remote setpoint via analog input term 9 SW1 1 0 20mA Clock frequency F12 Clock frequency Parameter Frequency Parameter Frequency 005 value AkHz value 10kHz 001 5kHz 006 12kHz 002 6kHz 007 14 4kHz 003 7 2kHz 008 15kHz 004 8kHz 009 16kHz 005 010 Note e Clock frequencies from 12 kHz only support operation with small load e A high clock frequency reduces motor noise but causes higher losses in the frequency converter and bad rotational behaviour at a low output frequency 31 FRU 100 Para meter Function default setting Settings setting range Voltage elevation Boost at low frequency F13 Boost 0 0 A boost facilitates the setting of sensible magnetization for the motor at low speed in order to ac hieve a higher starting torque for drives with high breakaway torque The voltage in the lower speed range will be purposefully in creased in relation to the desired volts per Hertz characteristic V 9 fg Y U Output voltage fe Corner frequency B Boost Too F This is adjustable within a range of 0 0 to 10 0 of the maximum output voltage e The parameter Boost should only be increased to the point required to reach the necessary starting torque Setting too h
31. ive as follows 1 Reconnect the power supply The 3 digit LED display will show a value based on the specified value on the POT 2 Ifneed be carry out any required additional changes to the parameters at this point See paragraph Parameter level The mode of action for the function keys is described in chapter 8 1 2 Function keys for settings of the drive Z External Contact on FW Ramp terminal 3 close to terminal 9 small speed set point pretend the motor starting to rotate slowly gt If the motor rotates in the wrong direction 2 of the 3 phases may be mixed up If this is the case check wiring as described in chpt 5 Connection and Wiring Information There is also a chance that the setting for parameter F04 is wrong and has to be changed 2 For applications with a high breakaway torque you can increase the voltage in the lower characteristic curve To achieve this increase the value of the related parameter Boost Voltage Elevation F13 page 31 If the set boost is too high the frequency converter may report a fault sending error message Overload oL You can reset this message by pressing Reset To avoid this error either scale back the boost slightly or reduce the starting torque In an extreme case it will becom e necessary to fit a converter that provides a higher capacity 2 When several motors are supplied by one frequency converter in parallel configuration each individual motor should be protected aga
32. level If an adjustable parameter is selected its value will increase as this function key is pressed LOWER RESET This key enables you to return within the selected menu level If an adjustable parameter is selected its value will decrease as this function key is pressed If an error message appears it can be reset by pressing this key RUN STOP This key is used to start or stop the frequency converter in local mode SING D C zZz o O O 8 1 3 Function keys during on site operation local mode In local mode it is possible to control the device on site and to send start and stop commands via the control panel 1 To change local mode set parameter F10 to 000 2 Pressing the RUN STOP key initiates the command boost or stop In the process you can select between local specified value and remote specified value by using parameter F11 3 The DSP FUN key is used to switch between parameter level and diagnosis level The diagnosis level indicates the specified value during standby mode Output frequency will be shown after the start command was given 8 1 4 Resetting all parameters to default settings This function is used to reset all setting parameters of the FRU 100 frequency converter to factory default settings N All previously set values will be lost Prior to a restart be mindful of any safety notes on commissioning Caution 1 To reset parameters to default settings invoke parameter F25 2 Fora 50 Hz
33. mbly adjustments commissioning service or operation All persons concerned have to read the whole operating manual carefully before starting installation or operation 1 1 1 Definition of pictographs N This symbol indicates danger that may result in personal injury Attention This symbol indicates danger that may result in damage to the device or other machine parts This symbol indicates danger in connecti on with the influence of electrical variables that may result in damage to or impairment of the device or other machine parts This symbol introduces advice or additional information Symbols may be used in combination 1 2 Technical Modifications The manufacturer reserves the right to make technical alterations without prior notice FRU 100 1 2 Safety notes and environmental protection 2 1 General Safety Instructions The warnings and risks below are listed in or der to allow the user to enjoy maximum benefit and to point out important safety aspects e Installation commissioning or servicing of these drives must be carried N out by expert technicians completely familiar with the workings of this equipment and any related machinery Non compliance with this regulation may result in injuries and or material damage All work on the devices must be carried out isolated from the power supply Connect the drive motor to a suitable protective conductor terminal Non compliance leads to risk of electric shock All cap
34. nd or has to install monitoring and safety systems according to safety regulations Intended use Speed control of asynchronous squirrel cage rotors or synchronous motors N The device must be used exclusively for the use intended and according Attention to its predefined operational data Any incorrect use may cause a serious hazard or material damage and will result in loss of warranty Please comply with the relevant EMC Regulations The device as such is equipped with an A EMC of class A Caution VOLTAGE The performance of the FRU 100 frequency converter cannot be INTERRUPTIONS maintained during a voltage interruption A Attention A PROTECTIVE e All bare touchable metal parts are protected by basic insulation and earth INSULATION wires PROTECTION CLASS 1 O e The user will be responsible for the appropriate connection of the earth wire Caution 3 FRU 100 2 2 Environmental Protection Attention Note on disposal The packaging provided is flammable and may generate toxic gases if disposed of inappropriately Inhalation of gases may result in damage to health Dispose of packaging material in an appropriate way Worn out devices or parts there of must be disposed of separately as electronic waste Copper cables and wiring as well as all other recyclable materials must be fed into the material cycle 2 3 Additional information Support Note Please contact your su
35. nverter Brakes Parameter FOO F30 Analogue input and output 11 The power supply is rectified by means of a non controllable diode bridge The DC link is at the rectifier s output consisting of component parts used to limit the charging current and DC link capacitors The DC link capacitors smooth the DC voltage that is transferred to the converter power circuit The converter transforms the DC voltage from the DC link into a 3 phase AC voltage used for motor actuation and consists essentially of a driver circuit and IGBT power transistors Frequency and amplitude are determined by control inputs and the parameters set at the control panel When acting as a generator brakes the motor feeds energy back into the intermediate circuit This elevat es the voltage in the intermediate circuit Minor amounts of braking energy can be absorbed by the intermediate circuit On reaching the conventional voltage limit approx 410V and 800V respectively the FRU 100 frequency converter under overvoltage will switch off in order to protect integrated component parts Most norm motors operated up to the specified speed can be expected to provide considerable braking capacity due to boosted terminal voltage during the braking action operation with elevated flow Parameters are values or options previously set at the control panel Normally these parameters have been specified during installation and commissioning and do not require t
36. o be adjusted during operation Parameter such as Ramp up F01 determine the travel behaviour of the drive here boosting acceleration Parameters such as Stop Mode P74 determine the position of a software controlled function key Control panel functions and those of individual parameters are described in chapter 4 The selectable analogue input 0 10 V 0 20 mA or 4 20 mA is used to set desired values The converter s output frequency can be reduced at the analogue output 0 10 V FRU 100 Digital inputs and Asarule digital inputs are triggered by external contacts OV and 12V outputs are available for this purpose On the other hand it is also possible to switch digital inputs via an external power supply In this case terminal 10 OV acts as reference point The digital output uses a potential free relay contact For detailed information about digital inputs and outputs see pages 2 8 FRU 100 12 6 Connection and wiring hints The images on the next page show a block diagram and a basic circuit Fig 2 1 is a basic wiring diagram e The power terminals carry high voltages Physical contact may result in life threatening shock currents Attention Do not forget to turn off the power supply before carrying out any work on the frequency converter or motor AN e Wait until the discharge time of the DC link capacitors has passed no less than 3 minutes Caution e FRU 100 frequency converters are designe
37. o low insufficient 2 Excessive supply E fluctuations FRU 100 38 9 5 Further troubleshooting Problem Possible cause Remedy Motor does not Is mains voltage applied is green LED lit Check mains voltage rotate up Connect and then disconnect mains voltage Is voltage applied to terminals T1 T2 and Connect and then disconnect mains T3 voltage Check wiring Check whether incorrect parameter settings Where necessary reset to default setting were selected Motor jammed l Tum off device and check mechanics Is remote specified value applied to Check wiring of terminal 9 MVI analogue input Motor rotating Have terminals T1 T2 T3 been mixed up Check wiring in wrong Are inputs FW and RE wired correctly Check wiring direction Motor is Is the wiring of analogue input terminal 9 Check wiring rotating at fixed correct speed Was the right operating mode selected Check parameter setting Is the load too large Check parameter setting Motor speed Are the motor parameters number of pins Reduce load too voltage correct high orlow Was the right gear transmission selected Check motor dimensioning Was the correct maximum speed selected Take gear transmission into account Voltage dip at motor during maximum Reduce maximum speed speed Reduce strong Is the load too large Load fluctuations speed Fluctuations Are
38. otor connection phase AC AC 0 supply P Connections for external braking Auser FRU 100 25 FRU 100 37 resistor Further ex lanation of the connections to the power terminals see R D Basic wiring diagram Image 2 1 Page 14 Note 15 FRU 100 6 2 Control Terminals Digital output multi function output Message turned on message specified value reached fault Digital input boost for starting and shutdown configurable of drive 12 V 24 V Boost forward 0V Stop Stop Configurable digital input preferably for reverse direction of rotation 12 V 24 V forward reverse OV forward stop Multi function inputs Inching fixed specified value 1 emergency shutdown external supervision reset fixed specified value 2 12 V 24 V e g inching speed Standard Operation Analogue input for speed specified value 10 V max speed F06 OV min speed F07 Mass for all analogue signals reference potential for external supervision voltage Warning See page 12 Analogue output within range 0 10 V according to output frequency of the following scaling 10 V max speed P2 0 Y 0 Hz potential free relay contact Shutdown set the same as stop mode F14 See pages 4 13 FW RE configurable via operating mode F03 configurable via multi function inputs F19 F20 Enabling of analogue inputs via specified value selection F11 Do not
39. pplier for user support and training FRU 100 3 Description of device FRU 100 frequency converter Modern MP technology Programming Standard packed items Suitable as driving mechanism for asynchronous motors Universal use in general industrial applications as well as fans and pumps Available for voltage range 1AC 230 V for motors up to 2 2kW3AC 220 240 and 3AC 380 480V for motor to 2 2KW Sinusoidal agitation of motor in entire speed setting range Output frequency from O to 200 Hz Clock frequency 4 16 kHz adjustable Easy parameterisation and diagnosis providing 3 digit display and 5 function keys enabling on site control Extensive integrated protective functions FRU 200 frequency converter mains and motor cable included Operating manual including list of parameters The most important components depicted on images 1 1a 1 1b 1 1c and 1 1d are explained in the table below Display 3 digit display for indication of parameters or values Operational keys See chpt 8 1 control panel These 5 control keys are all you need to define all device parameters See chpt 8 1 control panel DIL switch To Konifuration of the analog input Power Terminals Connection terminals for the supply and the engine inlet Control Terminals Terminal blocks for external control signals FRU 100 Valid for FRU 100 25 No 06 10 001 FRU 100 37 No 06 10 00
40. r 4 for details on ambient and operating temperature 4 2 Order data Product Denomination Technical Data Item number Frequency conv FRU 100 25 Art No 06 10 001 0 25 kW 1AC 220 240 V 1 4 A For operation at FRU 100 37 Art No 06 10 002 0 37 kW 1AC 220 240 V 2 3 A ION FRU 100 75 Art No 06 10 003 0 75 kW 1AC 220 240 V 4 2 A with integrated EMV filter class A FRU 100 150 Art No 06 10 004 1 5 kW 1AC 220 240 V FRU 100 220 Art No 06 10 005 2 2 kW 1AC 220 240 V for 3AC 400V with FRU 100 153 Art No 06 10 006 1 5 kW 3AC 380 480 V EMV filter class A FRU 100 223 Art No 06 10 007 2 2 kW 3AC 380 480 V 5 2 A Mounting plate MP FRU Art No 09 03 001 Adapter for 35mm DIN rail EMV Filter class B EF FRU 75 Art No 09 03 010 0 25 0 75 kW 1AC 230 V EF FRU 220 Art No 09 03 011 1 5 2 2 KW 1AC 230 V EF FRU 223 Art No 09 03 012 0 75 2 2 kW 3AC 400 V Braking Resistor on request on request FRU 100 10 5 Description of function FRU 100 frequency converters are micro processor controlled voltage source converters suitable for speed control of three phase AC squirrel cage motors norm motors A hierarchical tree menu with control panel based on a 3 digit LED display provides simple selection of function options as well as setting of parameters The basic functions of the FRU 100 frequency converter are described below Power rectifier and intermediate circuit Output co
41. restarting attempts 000 33 F25 Default setting 33 F26 Fixed speed 2 20 0 33 F27 Fixed speed 3 30 0 33 F28 Auto Start 001 33 F29 CPU program version 34 F30 Error messages 34 27 FRU 100 8 2 Setting and initial start up Commissioning must be carried out by competent staff Ensure that no person or object is present within the danger zone Work on the drive system or merely opening the housing is only permitted under the following conditions Complete disconnection from mains and control generated power supply Awaiting end of discharge time for intermediate circuit at least 3 min Verification that all terminals are isolated from supply Non compliance may result in life threatening bodily harm Prior to checking whether the motor or the wiring is isolated and prior to checking cable joints it is absolutely necessary to disconnect the FRU 100 frequency converter from the part to be checked 8 2 1 Tests to be carried out before initial start up Please check the following befor e proceeding with turning on the power supply for the first time 1 Power supply is available as required 2 The motor nominal voltage matches the power supply and the motor is correctly wired and connected in star or star delta 3 The external wiring such as power terminals motor terminals and above all the safety earthing have been expertly executed 4 There is no visible damage to the FRU 100 frequency converter or the wiring 6 Motor shaft and
42. scharging the cable capacities may contingent on the switching frequency tend to faulty shutdowns with overcurrent These line related failures increase with increasing cable lengths driving the EMC filter to saturation and thereby diminishing the filter effe ct To comply with threshold value B with external EMC filters cables of a length up to 5m are admissible Triggering earth current control equipment suc h as FI circuit break ers due to increased high frequency earth currents Increased thermal losses in EMC filter The use of motor throttles at the output of the FRU 100 frequency converter may remedy the problem When operating several motors via a single FRU 100 frequency converter minimise the shielded cable as much as possible For this purpose it is best to plan a central allocation point with one cable leading to the FRU 100 frequency converter For breaks in the shield such as intermediate terminals contactors or similar arrange for a preferably HF compatible connection for the broken shield To achieve an EMC compliant installation without thermal overload of the EMC filter with longer cables than intended you can also use suitable output filters motor filters Such motor filters ensure high life expectancy for motors by limiting dU dt and overvoltage on the motor winding Install such motor filt ers as closely as possible to the FRU 100 frequency converter Ask your supplier for help with selection FRU 1
43. the load fluctuations too great Increase motor and frequency converter capacity els the mains voltage constant Install power choke up stream of BQ FRU 100 10Service 10 1 Regular maintenance FRU 100 frequency converters are to a great extent maintenance free Despite this the following tests should be carried out at regular intervals 1 Ventilation e ls the ventilator noise audible 0 37kW and 0 75kW only e ls the cooling air able to circulate unhampered around the device 2 Fixings connections e Are the mounting fittings of the FRU 100 firmly tightened e Are all connections properly clamped 10 2 Repair Users will not be able to repair the FRU 100 frequency converter themselves In case of an error we recommend to return the defective device for repairs before starting with disassembling Take discharge time of intermediate circuit capacitors approx 3 min into account Non compliance may result in fatal electric shock if device is touched N e Disconnect the FRU 100 frequency converter completely from the power supply Attentio n 10 3 Returns If an error requires the return of a FRU 100 frequency converter we recommend following the procedure below e Contact your supplier and have the following information ready for your phone call Type of FRU 100 frequency converter Series no e Your supplier will be happy to explain the a rrangements with respect to an exchange and the necessar
44. uses 2 Use power switch with delayed overload behaviour such as protective motor switch Different ambient temperatures or customer national or EMC regulations may require the use of other cable cross sections The choice of cable cross section is the responsibility of the electrician For intallations according to UL and other requirements please follow the regulations for intallation as per UL Note 7 4 3 Earthing N The motor has to be connect to a correctly and permanently installed earth wire Non compliance with this direction may result in life threatening electric shock Attention Establish a sufficiently proportioned earth wire connection at the earth terminal by following the relevant regulations FRU 100 22 7 5 EMC compliant installation The standard version of the FRU 100 series includes an EMC filter of class A It is also designed for use in the industrial and plant sector If a higher class is r equired there is always the option of equipping the device with a filter of class B i For further information on the subject matter of EMC please do not hesitate to contact KALEJA Elektronik GmbH See chpt 10 Service Note 7 5 1 Important information about EMC The integrated EMC filters inside the FRU 100 frequency converters have been designed for the use in earthed networks In some installations however unearthed networks are to be found The use of unearthed networks is prohi
45. y formalities involved e Return your device in environm entally friendly reusable packaging suited for this kind of transport e Do not forget to enclose ac oherent error description with your device This reduces repair times and lowers repairs costs FRU 100 40
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