User manual
Contents
1. conditions page xxx BRK ON Delay 5 Mechanical brake ON 0300 16 delay time BRK OFF Delay 5 Mechanical brake OFF 0040 16 delay time LOW Freq 5 Low Speed frequency in 05 16 Hz DB on V level 5 In volts 060 16 Max BST TRQ 6 Maximum boost torque 11 0 17 Min BST TRQ 6 Minimum boost torque 00 1 17 Emer freq 6 Emergency frequency 5 0 17 Emergency 6 Emergency OverLOAD 150 17 OvLoad DB offV level 7 In volts 030 18 LOW Freq Time 7 Low frequency timer in 10 18 sec Rest FRQ 7 Stop frequency in Hz 00 3 18 Rest Time 7 Stop Time in msec 0050 18 DC Inj BrT 8 DC Injection braking 0 25 18 time DC Inj Br F 8 DC Injection braking 01 9 18 frequency in Hz DC Inj Br V 8 DC Injection braking 13 18 voltage Starting T 8 Starting torque 50 18 P Gain PID 9 proportional gain 10 19 I Gain PID 9 integral gain 18 19 D Gain PID 9 differential gain 06 19 DB Duty Duty of 9 Duty of dynamic braking 11 19 dynamic braking S amp LFI 10 Frequency at point 1 50 19 S amp LF2 10 Frequency at point 2 15 19 S LF3 10 Frequency at point 3 50 19 S L F4 10 Frequency at point 4 15 19 S amp LVI1 11 Voltage at point 1 15 20 S amp L V2 11 Voltage at point 2 78 20 S amp L V3 11 Voltage at point 3 15 20 S amp LV4 11 Voltage at point 4 60 20 Motor Eff 12 Motor efficiency 85 20 Motor Vrms 12 Rated motor voltage rms 380 20 value Max Torq o 12 Maximum output2. after the inverter is RESET To quit the menu at any instance press the ENTER key then while hodling the ENTER key press the UP amp DOWN keys together keep all the keys pressed for 2 seconds then release the ENTER key then release the UP amp DOWN keys If you quit the menus OEM PROGRAMMING menus without making a RESET the new parameter values will be saved but the inverter will be operating on the older values till a RESET is done to the inverter Parameters Summary Parameter name Menu Description Default Pa e no 5 Motor Power KW 1 Motor power in KW 8 2 18 Rated frequency 1 Rated motor frequency 50 18 on name plate in Hz High Speed 1 Maximum required 43 18 motor speed in Hz MNT Speed 1 Maintenance speed in Hz 20 18 In Hz OVLoad Cur 2 Overload current 130 18 OVLoad Per 2 Overload period in sec 4 0 18 Accel Time 2 Acceleration time in sec 4 0 19 Decel Time 2 Deceleration time in sec 2 2 19 Acc Pattern 3 Acceleration Pattern L 19 Dec Pattern 3 Deceleration Pattern L 19 Start freq 3 Starting frequency in Hz 0 2 14 Change password 3 Change OEM password 0000 14 Error enables 4 Error enabling list Details 15 page xxx Errors timer 4 Error timers list Details 16 page xxx Error Count 4 Error counts list Details 16 page xxx Error Conditions 4 Errors occurrence Details 16 18
3. 7 y 2 Front Side Connections pannel Bottom de Teme TROEN De Y KASvar 9 Connector 2 W i Connector 3 A _ Af 3phase 330V Serial communication High Speed Low Speed Up F1 Mechanical aig F2 braking Maintenance Emergency Dc1 Used im Reset Dc2 emergency mode Safety SP1 Fault relay or any Common Sp2 function needed Connector 1 Low Speed High Speed 10 Connector 2 Dynamic Brake Resistance Emergency Batiery Note Battery is 48 volts used in the emergency mode Notes In connector 1 the OK pin must be always connected to the CM common for inverter operation Mechanical brake connection Mechanical Brake Mechanical Brake feed 220VAC 11 The LCD and keypad Elevator Drive Plus Emergency Rescue Connecting the KASVar Invertert to the KAS control card in the Parallel mode 1 The regular working mode EEEE Down Arrow KAS Elevator Drive Connector 1 DOWN Relay 2 The Maintenance mode SPEEPEPE EEE WOD KAS Control Board Connecting the KAS Invertert to the KAS control card in the Serial mode When connecting in serial mode all the previous connections in the Parallel mode are replaced with a serial cable thus simplifying the connectivity The pins S1 amp S2 of the KAS control board respectively are connected to S1 amp S2 of the KASVar invert
4. KASvar VFC 18 Elevator drive PLUS Emergency Rescue User manual Thank you for choosing KASvar AC AC Power Inverter Please take time to read the following manual before installing the power inverter Please note that failure to follow the proper procedures may result in personal injury or damage to the Power Inverter We wish our Inverter will serve you for many years of high quality service and reliability Safety and Warning Please read the following information carefully before using the Power Inverter Warning Shock Hazard o DO NOT expose the Power Inverter to water rain snow or spray Keep the Power Inverter dry at all times o DO NOT connect the Power Inverter to power utility AC distribution wiring or extension cords Warning Heated Surface o DO keep all body parts and or materials away from the Power Inverter while in operation The Power Inverter may become uncomfortably hot during operating If the Power Inverter overheats it will automatically shutdown o DO provide adequate ventilation to the Power Inverter Ensure the Power Inverter is never covered and always allow for proper ventilation Warning Overload Situation o DO make sure the device you plug into the Power Inverter is less or equal to 150 W If the device plugged into the Power Inverter is more than 150 W the Power Inverter will automatically shutdown to avoid an overload of power 2 Other Safety Precautions o D
5. O NOT open the case of the Power Inverter The high voltage inside the case is the same type of power as your electrical outlets at home Opening case will automatically void the warranty o DO NOT expose this Power Inverter to flammable fumes or gases such as a gasoline powered vehicle or near any propane tanks o DO NOT use this Power Inverter in an enclosure containing automotive Type lead acid batteries to avoid hydrogen gas explosion which can catch Fire by sparks from electrical connections Index NO Title Page no 1 Why choosing KASvar 6 2 The KASvar self protection 7 3 KASvar classes 8 4 Diemensions 9 5 Basic wiring 9 6 Connector 1 10 7 Connector 2 11 8 Mechanical brake connection 11 9 The LCD and keypad 12 10 Connecting the KASVar Invertert tothe 12 KAS control card in the Parallel mode 11 The regular working mode 12 12 The Maintenance mode 13 13 Control circuit terminal 14 14 Connecting the KAS Invertert to the KAS 15 control card in the Serial mode 15 Operation of the KASvar 16 16 Programming amp Configuring the KASvar 17 17 Parameters Summary 19 18 The 1 menu items 22 19 The 2 menu items 22 20 The 3 menu items 23 21 The 4 menu items 25 22 The 5 menu items 28 23 The 6 menu items 28 24 The 7 menu items 29 25 The 8 menu items 29 26 The 9 menu items 30 27 The 10 menu
6. e actual acceleration and deceleration takes about 40 than the acceleration and deceleration times set in the 2 menu items 3 amp 4 22 23 Output Freq ACC Patiern y DEC Pattern 3 Start freq It is the frequency at which the inverter starts to output its frequency Output Voltage put Freq frequency Base Rated Max fregency Start frequency High speed 4 Change password To change your OEM programming password When you enter this menu you will be asked for the old password after entering it you will be asked for the new password You press the enter key the first digit will start to blink use the up down keys to change the first digit after finished press ENTER key to switch to the second digit Repeat till all digits are entered then press RESET for the inverter to restart with the new password The 4 menu items are 24 1 Error enables When entering this menu a new submenu appears it shows the available errors that can happen and let you decide whether to capture and process them or just ignore the error when it happens If the error is set to yes Y the error is captured and processed if set to no N the error is ignored The errors are Ea Over voltage error Eb Under voltage error Ec phase u overload Ed phase v overload Ee phase w overload Ef phase u open Eg phase v open Eh phase w open El phase lost Ej overheat Ek excess current 25 2 Er
7. er respectively Inverter KAS control board Coonector 3 Control circuit terminal Operation of the KASvar When first plugging your inverter the display will show the current settings and configurations of the inverter as follows Running frequency bale pre oee Isit HRGEGEI Direction UP DOWN _P for parallel _S for serial DC bus Voltage level Acceleration Deceleration curves L for linear and S for S curve Torque BOOST U phase current PEREA R E Q H s P RPM 0 6 3 9 Motor RPM Required Speed Hi or Low Hs for High speed Ls for Low speed _P for parallel _S for serial The display will show the current configurations settings at which the inverter is running While in the running mode you press the ENTER key for 5 seconds a list with errors occurrence count is shown The errors list will give readings of the number of occurrences of the errors in the time interval specified for each error type The errors list and capturing will be discussed later in the programming section To return back press the ENTER key again The inverter at the first use will be running on the Factory defaults settings 15 The Factory settings are set to the most common settings taken from the market and from the users of our inverters and are updated on regular basis So in most cases you will find the settings suit or at least very close to your needs But i
8. f you decide to change the settings and customize the inverter you have to enter the OEM Programming menu and change the settings according to your needs To enter the OEM Programming menu Press the Up and Down keys together till the OEM Programming appears on the LCD then release the Up and Down keys at the same time You will be then asked to enter the password of the programming mode it is set to OOOO initially then you will have the option to change it later from the programming menu To enter the password press the ENTER key this will allow you to enter the first digit Up Down keys change the value of the first digit Press Enter again after you entered the first digit and repeat this procedure after all the digits is entered Programming amp Configuring the KASvar By now you should be in the first menu in the programming mode e Changing any item in the menus is done by choosing this item by the UP DOWN keys then pressing the ENTER key then pressing UP DOWN keys again till the value of the parameter is set to the desired value then you press ENTER again to save the current value of the parameter If the parameter you choose contains a sub menu the sub menu will open and you will follow the same procedure with every menu item in the sub menu NOTE 1 After you finished setting your inverter you have to press the RESET button for the changes to take effect The new settings will only apply
9. he minimum current supposed to be delivered at rated frequency if the delivered current is lower than this value an open phase error is reported 2 FLT RST Time Fault Reset Time The time after which the inverter resets itself after a fault error is reported 3 OVR Heat Deg The temperature after which an Over heat error is reported 4 FaultRelay The 5 menu items are 1 BRK ON Delay Mechanical brake ON delay time 2 BRK OFF Delay Mechanical brake OFF delay time 3 LOW Freq Low Speed frequency 4 DB on V level The 6 menu items are 1 Max BST TRQ Maximum boost torque increasing the starting torque by means of increasing the output voltage of the inverter If the boost value is set too high than required it may cause the motor flux to saturate causing over current trip Increase the boost value when there is excessive distance between the motor and the inverter Note the torque boost value is a percentage of the motor rated voltage 2 Min BST TRO Minimum boost torque at the Rated voltage of the motor F rated of the motor 27 3 Emer freq Emergency frequency 4 Emergency OvLoad Emergency OverLOAD The 7 menu items are 1 DB off V level 2 LOW Freq Time Low frequency timer 3 Rest FRQ Rest frequency Stop frequency 4 Rest Time Stop frequency time The 8 menu items are 1 DC Inj BrT DC Injection braking time By introducing DC voltage to the motor wi
10. items 30 28 The 11 menu items 31 29 The 12 menu items 31 30 The 13 menu items 32 31 The 14 menu items 32 Why choosing KASvar 1 It allows the elevator to reach the nearest floor when the power is out without the need for emergency system 2 Works with KAS card using only 2 terminals S2 amp S2 without the need for extra relays 3 The KASvar keeps a log of all the errors occurred which can be read later for monitoring 4 The KASvar can operate on AC voltage varying from 340 VAC to 480 VAC 5 All the motors currents are measured and are displayed on the LCD 6 The KASvar isn t affected by switching the phases on its input 7 The Cabin s speed can be increased to 130 of its actual speed 8 Advanced programming for all speed curves 9 The starting torque can be set to 150 from the rated torque 10 The elevator is stopped on the selected floor by means of injecting DC voltage at very low frequency 0 1 HZ not by means of brakes 11 The mechnical brakes is not activated unless the elevator is completely stopped at the desired floor The KASvar self protection The KASvar is equipped with many self protection circuits and mechanisms that make KASvar ideal in many application and environments These self protection circuits include 1 Self protection against any fluctuation in the power network whether it is increase or decrease in the voltage 2 Self protection again
11. ndings this function stops the motor immediately DC injection braking time is the time at which the DC current is applied to the motor after the DC braking frequency is reached 2 DC Inj Br F DC Injection braking frequency It is the frequency at which the inverter starts to output DC voltage to the motor during deceleration 3 DC Inj Br V DC Injection braking voltage The DC voltage applied to the motor based on its rated current 28 4 Starting T Starting torque The 9 menu items are 1 P Gain PID The proportional gain used for speed search it is a percentage of the motor rated speed 2 I Gain PID The integral gain used for speed search it is a percentage of the load inertia 3 D Gain PID The differential gain used for speed search 4 DB Duty Duty of dynamic braking This must be set when using an external DB resistor and the duty is calculated by ED Decel time 100 Accel time Steady Speed time Decel time Stop Status time The 10 menu items are 1 5S 4 L Fl S curve amp L curve frequencyl at voltagel 2 S amp L F2 S curve amp L curve frequency2 at voltage2 3 S amp L F3 S curve amp L curve frequency3 at voltage3 29 4 S amp L F4 S curve amp L curve frequency4 at voltage4 The 11 menu items are 1 S amp LV1 S curve amp L curve frequencyl at voltagel 2 S amp L V2 S curve amp L curve frequency2 at voltage2 3 S amp L V3 S curve amp L c
12. rors timer 3 Error Count Items 2 amp 3 work together they set the maximum number of the error to happen during specific time after that number of occurrence of specific error occurs in the specified time and assuming the corresponding Error enable for this error is set Y yes the inverter stops working and is disconnected until a further RESET is done to the inverter Note e If the corresponding error enable item no 1 in menu 4 is set to N the error is completely ignored even its timer and Count are set to values 4 Error Conditions When entering this menu a sub menu appears In this menu you can indicate the conditions at which an error is counted in other words what are the conditions for an error to be counted in the ERROR COUNTER current menu item 2 amp 3 This menu consists of 8 sub items distributed into 2 menus Sub Menu 1 1 DBR TIMER The time at which the Dynamic brake will stay ON 26 2 U V Period Duration of under voltage after which the Under Voltage error counter is increased by 1 3 Opn Phs frq The frequency at which the phase is supposed to be delivering more than Opn Phs Cur current menu next item 4 Opn Phs Cur The current that is supposed to be delivered at the Opn Phs frq if current below this value is delivered an open phase error is reported and the corresponding error in incremented by 1 Sub Menu 2 1 Lst Phs Cur LOST PHASE CURRENT it is t
13. st any fault between any phase and the ground 3 Self protection against motor over current 4 Protection timer at all speeds 5 Separate protection circuit separated from the device itself which insures an independent protection system not depending upon the operation of the device itself 6 The device can operate up to 85 C The KASvar inverters have been tested in the worst operation and environment conditions and it gave excellent results and high stability and reliability All the KASvar inverter devices are tested prior to being sold in the market and this is to assure high reliability and quality The protection circuits of the KASvar inverter devices are all tested to assure their operation if required when in the runtime KASvar inverter devices were proved to be the best solution when you need a hard woking reliable and stable inverter device for almost every use KASvar classes Model number 11 KWATT 15 KWATT KW 11 15 Motor Rating HP 15 20 Capacity KVA 17 5 22 9 Output Ratings FLA A 46 60 0 400HZ Frequency 0 300 Sensorless 300 400 Sensored vector control Voltage 380 V gt Input Ratings Voltage 380 V 10 Frequency 50 60 HZ Braking circuit On Board On Board Max Braking 100 torque Dynamic Barking Max Continuous 15 seconds baking time Max Duty 10 ED Weight KG Diemensions All values in cm Bottom a
14. torque 180 20 from drive Auto V Reg 12 Automatic voltage 01 20 regulation Torq Com T 13 Torque compensation 02 0 21 Time in ms Torq Com G 13 Torque compensation 80 21 Gain Slip Com T 13 Slip compensation Time 02 0 21 in ms Slip Com G 13 Slip compensation Gain 02 21 20 Motor poles 14 Number of the motor 04 21 poles High T Offs 14 High Torque offset 30 21 Low T Offs 14 Low Torque offset 10 21 Midl T Offs 14 Middle Torque offset 20 21 The 1 menu items are 1 Motor Power The motor power in KW on name plate 2 Rated freq Rated motor frequency on name plate 3 High Speed Maximum required motor speed 4 MNT Speed Maintenance speed The 2 menu items are 1 OVLoad Cur Overload current the maximum current that the inverter can deliver to the load Rated current Default 120 2 OVLoad Per The Period over which the inverter will deliver the OVERLOAD CURRENT after this period the inverter will cut off its output default 3 secs 21 3 Accel Time Time taken for the motor to reach High speed from 0HZ 4 Decel Time Time taken for the motor to reach High speed from 0 HZ The 3 menu items are 1 Acc Pattern 2 Dec Pattern The 2 available options are L amp S L stands for linear Output Freq ACC Pattern DEC Pattern S Stands for S curve this pattern allows the motor to accelerate and decelerate smoothly th
15. urve frequency3 at voltage3 4 S amp L V4 S curve amp L curve frequency4 at voltage4 L Curve S Curve Linear The 12 menu items are 1 Motor Eff Motor efficiency 2 Motor Vrms Rated motor voltage rms value 3 Max Torq o Maximum output torque from drive 30 4 Auto V Reg Automatic voltage regulation 00 for No and 01 for yes The 13 menu items are 1 Torq Com T Torque compensation Time 2 Torq Com G Torque compensation Gain 3 Slip Com T Slip compensation Time 4 Slip Com G Slip compensation Gain The 14 menu items are 1 Motor poles Number of the motor poles 2 High T Offs High Torque offset 3 Low T Offs Low Torque offset 4 Midl T Offs Middle Torque offset 31
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