Omron L7 Closed / Open Loop - International Lift Equipment
Contents
1. D1 18 1 high speed has priority levelling STOPS If levelling command is not configured Up Down STOPS wires break levelling DC Injection speed pu Hardware BB Up Down leveling no selected speed _n Ce input is set D Injection LC ervo DECELERATION AND S CURVE SETTINGS C1 11 changes decel time from C1 02 to C1 08 only in decel section C1 01 Additional S Curve setting C2 05 for STOP Very useful to modify stopping point without affecting deceleration ride quality C2 02 00000000000002 C2 01 27 THE CORE THE LIFT SEQUENCE I 51 05 0 Lift sequence without Torque DClnjection 51 16 j zero Servo E compensation at start EH 55 Do 2 E FE 23 5 28 1 oS E T WT speed 5 a Up Down Dil Inverter Hardware 85 Dil contactor confirmation Dil leveling DA salecled speed DN Internal Run Brake Lanina DIOS tl DC inj time starts tl t2 DC inj time during brake applied 51 06 0 2 seconds t2 t3 DC inj time during brake lifted S1 04 to 51 06 0 5 seconds t1 t3 DC inj time at start S1 04 0 7 seconds t7 DC 1nj time starts t7 t8 DC inj time before brake applied 51 07 0 3 seconds t8 t9 DC inj time during brake applied 51 05 to 51 07 0 5 seconds t7 t9 DC inj time at stop 51 05 0 8 seconds 28 SECTION H Single Floor Run Operation with SKYCOM Control System Single Floor Run operation o2. FM 40432 INTERNATIONAL LIFT EQUIPMENT LIMITED Head Office Factory Units 1 amp 2 Highams Park Industrial Estate Wanlip Road Larkshall road Syston LONDON LEICESTER E4 7HS LE7 1PD Telephone 0208 527 9669 Telephone 0116 269 0 Telefax 0208 531 0936 Telefax 0116 269 0939 www ileweb com e mail service ilem co uk TECHNICAL MANUAL FOR THE OMRON L7 VARISPEED FLUX VECTOR INVERTER For closed open loop operation with Interflite and Skycom Software Control THIS MANUAL APPLIES TO SYSTEMS MANUFACTURED BY INTERNATIONAL LIFT EQUIPMENT AFTER Ist SEPTEMBER 2003 Issue No 1 WE RESERVE THE RIGHT TO ALTER WITHOUT GIVING PRIOR NOTICE TECHNICAL DATA DIMENSIONS AND WEIGHTS DESCRIBED IN THIS MANUAL File name Omron Sky Inter L7 DOC Last amended 01 09 2003 CONTENTS Page 3 Page 4 Page 5 7 Pages 8 18 Pages 19 20 Pages 21 Page 22 28 Pages 29 32 Pages 33 36 A Introduction B Sequence of events C Input and output connections D Control Panel E Parameters and description F Auto tuning G Commissioning procedure 11 Single floor run operation I Fault Finding SECTION A Introduction The ILE Flux Vector Control inverter for squirrel cage motors utilises state of the art electronics to control an AC Induction Motor s speed and torque full current vector control based on advanced control logic can be achieved In a lift application without the need of a speed feedback element up to 0 99 m s and utilising
3. the PX delay is set to 1000ms SkycomWin Px Delays Floor Speeds Slow on Previous PX Current Job File LIFTA DAT File Auto Comms Clear Setup Transfer Events logs Lift Viewer Modified Parameters Help r Speeds Above From Floor 1 3 UP High Speed 2 UP Medium Speed 1 Speeds Below From Floor 1 m Dn delays at Floor 1 r Slow on Previous DN PX at Floor 1 High speed D High speed Medium Speed 3 o o Medium Speed 3 Medium Speed 2 o Medium Speed 2 Medium Speed 1 ioo Medium Speed 1 Level Speed o o Level Speed Delays 0 to 3555 Milliseconds Load Defaults 30 From below it can be seen that at floor 2 the speed up to floor 3 and down to floor 1 is set for Medium Speed 1 Also when the lift is approaching floor 2 in the down direction on Medium Speed 1 1 6 from level 3 the PX delay is set to 1000ms and hence the same applies coming up to floor 2 from floor 1 SkycomWin Px Delays Floor Speeds Slow on Previous PX Current Job File LIFTA DAT File Auto Comms Clear Setup Transfer Events logs Lift Viewer Modified Parameters Help Speeds Above From Floor 2 Up delays at Floor 2 Slow on Previous UP PX at Floor 2 High speed High speed Medium Speed 3 Medium Speed 3 Medium Speed 2 Medium Speed 2 Medium Speed 1 Medium Speed 1 3 UP Medium Speed 1 Level Speed TIT nma Level Speed Dn d
4. 01 to T1 09 when completed press the Increment key once Auto tuning is now ready press the RUN key and fit a temporary short across terminals TUD and TDN the main contactor will actuate and Auto tuning will now commence after a short period the Digital Operator should display GOAL Auto tuning is now complete On earlier versions of the L7 invertor it may be necessary to temporarily short terminals M3 amp M4 to allow energisation of the main contactors SECTION G 2 Commissioning procedure N B Commissioning procedure is to be carried out by competent personnel only WARNING DO NOT TURN POWER ON OFF MORE THAN 5 TIMES EVERY 15 MINUTES OR INTERNAL COMPONENTS MAY BE DAMAGED Equipment Required 1 A Tachometer 2 An A C current meter Moving coil not digital Pre Switch On Checks 1 Check all site wiring and mains cable rating are correct 2 Check the installation 1s 1n conformance with the EMC standards 3 Ensure the lift is counter balanced correctly 4 Ensure the encoder 15 fitted correctly aligned and connected to the controller correctly 1f required 5 Ensure the lift doors cannot open can be done by for the Interflite by switching on DIL switch 1 and PRPTT or on Skycom by disabling the doors by the parameter in the door setup menu Speed settings NOTE ALL SPEED SETTINGS ARE IN Hz NOT RPM 1 Simulate the Test Up button check the lift runs in the UP Direction on test speed
5. The above delays allow the current on both the contactor contacts and regulator transistors to decay to zero before switching This sequence of events allows a smooth stop and prolongs both contactor and transistor life expectancy SECTION C Input and output connections The following 1s a list of the inverter inputs Terminal No Description for Interflite and Skycom SI Up enable S2 Down enable S3 Nominal speed S4 Inspection speed Test S5 Not used S6 Levelling speed S7 Contactor feedback BB Baseblock SC Is the 24v supply common from the drive which is switched via relays to the signal I Ps listed above The following is a list of output terminals Terminal No Description for Interflite and Skycom M1 M2 Energises BKC contactor to operate Electro Mechanical brake M3 M4 Energises MC MC1 contactors connecting the motor M5 M6 Level contacts for door opening configured via S1 27 for ADO set to 4HZ for none advance door opening set to 0HZ Wiring Terminals 3 phase Power 3 phase output Supply VARISPEED L 1 UP a ALI DOWN Bm 3 Extemal Fault L Fo Fault reset 1 i C Option 5 Multi Step Ref 1 Wl cards 2 is a 5 Multi Step Ref 2 7 sad i D Option 7 Jog Base Black NC MN y IMuitifunction ar WSC Seq common Fault Contact eS Sees SS E Output lift c
6. Zero servo fault The rotation position moved during Zero Servo operation Memobus communication Error sequence Error 1 3ee section 7 dedicated fault message Fault1 The communication response cannot received for 2sec sequence Error 2 See section 7 dedicated fault message sequence Error 3 See section 7 dedicated fault message MLC Motor low current See section 7 dedicated fault message Cannot establish the communication between inverter and the CPFOO Main CPU down ae digital operator CPF01 Main CPU down After the communication established communication error occurred between inverter and operator CPF02 a circuit The base block circuit in the control card has error CPF03 EEPROM Error The contents between EEPROM and RAM dont match CPF04 A D Error CPU A D error in the CPU occurs CPFO05 A D Error external External A D Converter error occurs Fault CPFO06 ee Pannen The option card is not connected properly CPFO07 ASIC RAM error The internal RAM in the ASIC nas error CPFO8 Watch dog timer fault Watch dog timer counts out CPFOY SE ASIE mapua The mutual diagnosis between CPU and ASIC detects error Diagnosis fault CPF10 ASIC version fault ASIC version doesn t match CPF20 PE pho A D convertion error occurs in the option card in the option card CPF21 Self diagnosis error Option card detects error during self diagnosis CPF22 Model code error Inverter doesn t recognize the option
7. and the UP contactor is energised If the lift runs DN reverse two of the motor phases and A amp B pulses if required then retest 2 Simulate a Test Dn button and check the lift moves DN at test speed and the speed 1s the desired value if not adjust speed DI 14 3 Ensure all the limit switches are operating correctly and place the lift empty car at the bottom floor Switch the lift to NORMAL and run the lift UP in high speed and ensure the lift slows into floor correctly repeat for the down direction 4 Place the lift empty car at the top floor and run the lift DN ensure the high speed 1s the same in both directions also ensure the levelling speed 15 the same in both directions if not follow slip compensation procedures detailed in pages 24 26 Note At open loop control feed forward type slip compensation S1 XX is acting additional to standard slip compensation Therefore motoring site levelling speed might be higher than set value Please monitor and adjust 51 02 and C3 01 to have the same speed in both directions 22 5 Check the contract speed is correct for the site and adjust the parameters D1 09 for high speed and D1 17 for levelling speed to the required values 6 If the lift overshoots floor level or has a long levelling time into floor then adjust the slowing distance combined with deceleration rate C1 02 and the s curves C2 03 4 to acquire a reasonable comfort levelling with a minimum levelling time 7 Place the
8. card CPF23 DP RAM Error Communication option detects the DP RAM error 35 Special Fault commands Contactor Feed back Faults resetable Fault If one of the digital inputs is set for Contactor Confirmation there are 3 possibilities for a fault Contactor Faults DC Injection zero servo speed Up Down l After enable signal inverter checks MC Closed Input It must be not set Speed selection If itis set inverter will output Inverter was not opened fault If it was opened but this input will not be set within Run Delay Time Contactor Controll D O factory setting 200ms than inverter will output MC is not closed alarm Inverter enable Dil MC closed DJ CASE fault MC was not opend MC closed DT CASE 2fault MC is not closed CASE 3 fault MC opened Motor Low current Fault MLC resetable Fault At Brake opening and after always when brake is opened inverter checks the motor Current If it is dropped below 1 4 of Motor No Load Current this Fault will be output FauliType 1 Car Stacked OL4 After new travel command UP Inverter ready reference inverter runs at torque limit or stall prevention limit for the Stacked car detection time DC Injection zero serva speed Inverter enable D l Up Down LT Selected Speed Dl Fault During Torque limit detect time Check L6 parameters Reference missing At a new travel inverter got Inverter readv signal
9. deviation is greater than F1 10 for F1 11 time speed deviation Externa The multi funciton digital input is programmed as the external fault fault input The terminal assigned EF is input Communication 5 Memobus communication is stopped for 42sec 33 E L3 L4 Alarm The inverter output current reached below 1 5 02 for 1 6 03 time DEV 1 7 Fault 1 code resetable fault The inverter output current exceeded the overcurrnet detection level Appox 200 of rated currnet Ground Fault The ground fault current at the inverter outputexceeded approximately 50 of the inverter rated current The fuse in the main circuit is blown The main IGBT transistor PUF Fuse Blown i has failed Main circuit The main circuit DC voltage exceeded the overvoltage Overvoltage detection level Main circuit The main circuit DC voltage is below the undervoltage Under voltage detection level b p OVI The control power supply voltage dropped 3 A fault occurred in the surge prevention circuit circuit fault PF e The main circuit DC voltage oscillates unusually Voltage fault Se Open An open phase occurred at the inverter output OH Cooling fin The temperature of the inverters cooling fins exceeds the Overheating setting of L8 02 Motor Overheating The inverter will stop or continue to operate according to the Alarm setting of L1 03 Motor overheating fault Inverter calculates the time of Braking resistor
10. lift empty car at the top floor and run the lift DN in high speed ensure when the lift slows the lift levelling speed 15 equal in the UP and DN direction Setting the acceleration and starting 1 Run the lift and note the acceleration rate 2 Adjust the Acceleration rate C1 01 and s curve C2 01 2 parameters for the desired acceleration that is required Stall test 1 Disconnect the brake and isolate Switch the lift to test and switch on the controller 2 Place the clamp meter on a phase of the incoming mains 3 Simulate the test up push and the meter should be showing more than 1 5 flc If the meter is showing 1 5 flc or more the regulator trips in the time specified in parameter L6 03 To reset switch the controller off then on 4 Repeat in the DN direction 5 Reconnect the brake N B To reset the regulator after a fault press the RESET or switch the panel off for at least 30 sec then on again After commissioning run the lift for at least 1 hour and ensure floor levels are consistent and the lift performs correctly 23 Slip compensation for V f and Open loop vector To obtain better leveling accuracy smooth brake closing and leveling current reducbon To use this function 11 18 must be set ta 1 or 2 Principle 200ms after speed agree selected speed vn v1 v2 or v3 inverter measures for 200ms the current or torque reference and calculates average value for this time period This amount of EST End Speed Tor
11. operating in the vector control madee 10 switching Modes The mode selection display will appear when the MENU key 1s pressed Press the MENU key from the mode selection display to switch through the modes in sequence Press the DATA ENTER key to enter a mode and to switch from a monitor display to the setting display Display During Run oe ET Mode Selection urnas EUN ETA Display Monitor Display Setting Display Main Menu 1 02 0 T YA Carrol ar I RM TERI Y VER The constant number will be displayed if a Main Menu constant has been changed Press the DATA ENTER key to enable the change w Main Menu Tuning Made Sel 7 Tuning Mode Sel A aa ge Aula Tuning sme Be resis T a 1r Enc Mode Transitions ail To run the inverter after viewing changimg parameters press the MENU key and the DATAENTER kev in sequence to enter the Drive mode A Run command is not accepted as long as the drive 15 in any other mode To enable Run commands from the terminals during programming set parameter b1 08 to 71 1 Digital Operation Display Functions and Levels tor Monitor display hierarchy for the Inverter Seius Monitor Parameters Menta Parameters Fur Hurts Cu eame M c Speed Control Aor os s Speed References CCN vitem E RY Dei 1 O Analog Momitor C
12. speeds to be changed and PX DELAYS SETUP allow the PX delays to be set for each floor and approach speed 32 SECTION I Fault Finding The following section shows the common fault codes with a description of the fault and cause Fault categories The L7 has the following fault categories Inverter continues Running and alarm D O will be set Inverter will stop the fault output relay 1s activated 1mmediately The reset command Can be accepted when the fault condition has gone A fault categorized as fault 2 cannot be reset until the power is switched off and then Restored Alarm Fault 1 Fault 2 Alarm code Forward and reverse commands input together Main circuit under voltage condition not inverter running Main circuit DC vollage exceeds the overvoltage detection level oH overheating Cooling fin temperature exceeds L8 02 pre alarm level ous The inverter output current exceeds 6 02 level for 6 03 time O O detection 1 O Overtorque pes en ae ou detection 2 The inverter output current exceeds L6 05 level for 6 06 time detection 1 Undertoraue l l ie in 0 t current rei ow L6 D6 tim datechen 2 The inverter output current reached below 1 5 05 for 1 5 06 time The motor speed from PG exceeds tne F1 08 level for F1 09 time PG disconneted PG disconnected PG pulses aren t being input even if inverter running Excessive ME PRU Dev The speed
13. 1 04 DC injection time at start and the lift accelerates to target speed The above sequence is designed to give a smooth start by allowing the brake to fully lift before starting the journey The fault output MB MC is opened when there is a fault condition in the inverter this prevents travel taking place Stopping Consider the lift is travelling at high speed On receipt of a slowing signal the high speed signal is removed from the drive The lift decelerates and targets levelling speed under the influence of the deceleration and S curve parameters until levelling speed 1s achieved Upon reaching the stopping zone MSU and MSD operate this removes all speed signals and the lift targets zero The following sequence then occurs a When zero speed is reached the delay before the brake is released via contacts M1 M2 is set by time 51 07 brake release time the drive keeps zero speed control the duration is set via S1 05 DC inj time stop and the journey 1s completed b The STR relay drops after the brake 15 released via a timer in Skycom called stop time this cuts off the transistors in the inverter via terminal BB which is configured as a baseblock C The drive output contactor releases after a time period set by 61 19 this opens M3 M4 contact which releases MC MC1 removing the 3 phase from the motor A time delayed safety back up STR contact is also situated in the MC MCI line and this will release 2 seconds after direction is cancelled
14. 2550 5 FJ U 01 OC ans Over Current zA TUNE Main Menu TENE Fu B Ed ace U2 022 OV Rudy u3 2s Ov DC Bus Overvolt 13 03 OH Li3 D4 LIN Operations in Drive Mode 14 Marameters required for the elevator operation like speeds accelera Quick Programming Mode Quick Setting In quick programming mode the basic tion deceleration times etc can be monitored and set The parameters can be changed from the setting displays Use the Increment Decrement and Shift RESET keys to change the frequency The parameter will be written and the monitor display will be returned to when the DATA ENTER key is pressed after changing the setting BExample Operations Example key operations in quick programming mode are shown in the following figure Setting Display OLCK Centrol Method Made Selection Display Monitor Display Li TE Main Menu Operation EK Quick Setting LU Main Menu MERI Main Mena Main Menu Aula Tuning std Fan Cooled E3 OS S Operations in Quick Programming Mode 15 Advanced Programming Mode Programming In advanced programming mode all Inverter parameters can be monitored and set A parameter can be changed from the setting displays using the Increment Decrement and Shift KE kevs The parameter will be saved and the display will return to monitor display when the DATA ENTER Is pressed af
15. Direction Signal but no reference within 200ms Run delay time 36
16. Inspection Speed D1 17 vl Reference Setto 4HZ Levelling Speed Group F F1 01 PG Pulses per rev Set to 1024 CLV only Group L L6 02 Torq det level Set to 150 Group S S1 04 Sets DC Injection at start Set to 0 7 seconds S1 05 Sets DC Injection at stop Set to 0 8 seconds S 1 06 Sets Brake open delay Set to 0 2 seconds Set to 0 3 seconds Set to 500ms CLV only Set to 1 0 CLV only Set to 0 CLV only Set to 0 CLV only Set to 1 non rotating autotune Set as required see motor data plate Set as required see motor data plate Set as required see motor data plate Set as required see motor data plate Set as required see plate 1000rpm 6 pole 1500rpm 4 pole Set as required see motor data plate Set as required see motor data plate Set as 50 of T1 04 Motor rated current 20 S1 07 Sets Brake close delay S1 22 Torque comp time start S1 23 Torque comp gain lowering S 1 24 Torque comp bias raising S1 25 Torque comp bias lowering T1 01 Sets the Autotuning Mode T1 02 Sets Motor rated power T1 03 Sets Motor rated voltage T1 04 Sets Motor rated current T1 05 Sets Motor rated frequency T1 06 Sets Motor number of poles T1 07 Sets Motor rated speed T1 08 Sets PG pulses rev T1 09 Sets Motor no load current Group T SECTION F Auto tuning Press the Menu button until the Auto Tuning Mode prompt is displayed press DATA ENTER key enter all the required information in Auto tuning parameters 1 1
17. Time 1 1 01 oof 50sec Press the Increment key to change set value to 2 50 s 0 00 600 0 7 m C1 01 009 50sec Press the DATA ENTER key to save the set data 0 00 600 0 1 50sec Entry Accepted is displayed for 1 sec after pressing the DATA ENTEK key The display returns to the monitor display tor C1 01 13 Drive Mode Operation The Drive mode is the mode in which the Inverter can be operated All monitor parameters U1 L1L1 as well as fault information and the fault history can be displayed in this mode When b1 01 Reference selection 1s set to 0 the selected frequency reference value d1 L1L1 can be changed in the frequency setting display using the Increment Decrement Shit RESET and Enter keys The parameter will be written and the display returns to the Monitor display w Example Operations Example key operations in drive mode are shown in the following figure palit aa During Runn ing Mode Selection E Monitor Display Frequency Setting Display amt Display requency Ret eS 0 00Hz x Main Menus Menu The Frequency Setting Display will nat be displayed when using an analog reference Monitor 02 50 00Hz The fault name will be displayed if the DATA ENTER am mg Key is pressed while a constant is being displayed for which a ES ah 2 fault code is being displayed se Main Menu d 1 01 50 00Hz 10
18. ard Digital Output Card pm serial Conmmunicabions Settings Ds Multi function Digital Inputs Sa Multi function Digital Outputs Multi funehoen Analog Inputs Miedo Ose ome GN 12 shows the Digital Operat Ir erter can be operated and ts status ean be displayed Minen um parameters required for operation can be monitored or sel J parameters Gan be meni Inred er sel hhodified Constants Parameters changed from the default settings can be mani lared or sel ulamaticalty sels matar parameters for vector conina er measures the ling ba Hi ng slange for Vil eanbral figure The following MENU Setting Parameters Here the procedure to change C1 01 Acceleration Time 1 from 1 5 s to 2 5 s 15 shown Setting Parameters in Advanced Programming Mode DiR Iu E an Frequency Ref Ui 50 002 Power supply turned ON 02 50 Hz 1 03 10 054 Press the MENU key 3 times to enter the advanced programming mode Press the DATAJENTER to access the moniter display Press the Increment or Decrement key to display the parameter C1 01 Acceleration Time 1 Press the DATA ENTER key to access the setting display The 1 01 S0sec EE ere i 0 00 500 0 current setting value of C1 01 is displayed 1 0 01 01 Press the Shitt RESET key to move the Hashing digit to the right 0 00 600 0 a m sel
19. celeration Time 2 1 01 Input Voltage Setting E 01 Motor Rated Current Mode Selectian Display Monitor Display Setting Display ADAC Main Menu VERF E Accel Time 1 1 01 2 0sec iB 0 e 00 VERF Main Meru Consta E1 or TOVA O 510 hh Main Menu Esc Sh la i080 1800 6 Operations in Verify Mode 17 Autotuning Mode Autotuning Autotuning automatically measures and sets the required motor data in order to achieve the maximum pertor mance Always perform autotuning before starting operation when using the vector control modes When WF control has been selected stationary autotuning for line to line resistance can be selected only When the motor cannot be operated e g 1f the ropes cannot be removed from the traction sheave and Open Loop or Closed Loop Vector Control shall be used perform stationary autotuning wExample of Operation for V f control The tuning method for V f control 1s fixed to the measurement of the terminal resistance T1 01 1 Input the the rated output power and the rated current specified on the nameplate of the motor and then press the RUN key The motor data are measured automatically Always set the above items Otherwise autotumng cannot be started e g it cannot be started from the motor rated voltage input display A parameter can be changed from the setting displays using the Increment Decrement and Sh
20. elays at Floor 2 4 Slow on Previous DN PX at Floor 2 m Speeds Below From Floor 2 1 DN Medium Speed 1 High speed Medium Speed 3 High speed e Medium Speed 3 Medium Speed 2 Medium Speed 2 Medium Speed 1 Medium Speed 1 TIT ma Level Speed Level Speed Delays 0 to 3555 Milliseconds Load Defaults 31 From below it can be seen that at floor 3 the speed down to floor 2 is set for Medium Speed 1 Also when the lift is approaching floor 3 in the up direction on Medium Speed 1 1 6 from level 2 the PX delay 1s set to 1000ms SkycomWin Px Delays Floor Speeds 7 Slow on Previous PX Current Job File LIFTA DAT File Auto Comms Clear Setup Transfer Events logs Lift Viewer Modified Parameters Help Speeds Above From Floor 3 Up delays at Floor 3 r Slow on Previous UP PX at Floor 3 High speed High speed Medium Speed 3 Medium Speed Medium Speed 2 Medium Speed 2 fo F Medium Speed 1 Medium Speed 1 6 Level Speed Level Speed gt Speeds Below From Floor 3 2DN Medium Speed 1 1 DN High Speed Delays 0 to 3555 Milliseconds Load Defaults These parameters can also be set from the SKYCOM keypad interface A password level 2 is required before changing but can be obtained from ILE on request Menu options FLOOR SPEED SETUP allow the floor
21. encoder feedback from 1 0 m s and above An accurate motor model is calculated from measurements of the motor voltage and motor current THEREFORE WITH BOTH OPEN LOOP VECTOR AND CLOSED LOOP FLUX VECTOR OPERATION A NON ROTATING TUNING RUN MUST BE PERFORMED SEE SECTION F The system enhances single speed lifts with variable speed performance for new and existing lifts whilst decreasing wasteful heat loss within the motor typical of Variable Voltage Thyristor Controlled regulator systems This manual will hopefully give a summarised version of the Omron control options and assist in setting up Further more detailed information 15 available in the Omron L7 Varispeed user manual We suggest that for a first time user the information contained in this document is studied SECTION 8 Sequence of Events Starting Starting is initiated by the receipt of either an UP or a DOWN direction signal The direction relays also energise the STR relay which connects the drive internal 24v supply to the selected drive inputs S1 S7 and BB The drive now has speed and direction signals which results in M3 M4 Travel O P H2 02 41 contacts closing energising the MC MCI contactors Parameter S1 06 sets the delay before contacts MI M2 Brake O P H2 01 40 close energising BKC which lifts the electro mechanical brake this gives feedback to the processor via the STR input which signifies that the lift is moving The speed curve is started after the time 5
22. has 11 keys and the display has 5 lines The Control Panel can be attached directly to the inverter or it can be mounted externally To change a parameter enter the group the parameter you wish to change is in then move to the desired parameter and press the enter key the far left hand unit will flash and by pressing the reset key you can move along the units to the one you wish to change the value of then by using the arrow keys the value can be adjusted to the new value required then press the enter button again to enter the new value and entry accepted will be displayed Digital Operator Keys The names and functions of the Digital Operator Keys are described below Key Functions Function MENU MENU Kev Selects modes ESC Key Returns to the status before the DATAJENTER key was pressed Seis the active digit when programming parameters Shi RESET Rey E Also acts as the Reset key when a fault has occurred RESET Selects menu items seis parameter numbers and increments set wal Increment Key ues Used to move to the next item or data Selects menu items seta parameter numbers and decrements set val Decrement Key ues Used to move to the previous item or data Pressed to enter menu items parameters and set values DATAJENTER Ko E Also used to switch from one screen to another Starts the Inverter operation when the Inverter ts being controlled by 1 T E zx RUN Rey the Digital Operator There are indica
23. he lift to reach the highest speed possible and to give the desired levelling time 1 e too big a delay will cause the lift to overshoot floor level and too little will give excess levelling time For this example let us assume it to be 500ms Run the lift between the single floor and make a note of the maximum frequency reached as displayed in the readout on the Omron keypad Interface this value is now entered in to speed 29 4 3m 3m reference 5 For this example let us assume it to be 42112 The speed time graph should be as Fig 1 above 5 If the ride quality is bumpy at the time the speed changes then it is now necessary to reduce the speed and increase the PX delay until a satisfactory ride quality 1s achieved For example the best ride quality may be found with a speed of 38Hz and a PX delay of 1000ms This would relate to Fig 2 6 The single floor run is now setup and assuming equal floor heights the PX delay and speed reference 5 can be used for all relevant floors otherwise the same procedure is adapted for the other floor to floor heights From the previous example the parameter settings are illustrated below via the use of the SKYCOMWIN P C Lap top software 1 6 top speed for a single floor run 38112 with a PX delay of 1000ms From below it can be seen that at floor 1 the speed up to floor 2 1s set for Medium Speed 1 Also when the lift is approaching floor 1 in the down direction on Medium Speed 1 1 e from level 2
24. ift RESET keys The parameter will be saved when the DATA ENTER key 1s pressed The following flowchart shows a V f control Autotuning example Mode Selactian Display Monitor Display Setting Display Main Menu Madifhed Carats 2 A TUME Main Menu Turing Made Se Auba Tun Term Ju Im Tuning Mode Sel Tie Term Resistance E p m 8 Main Menu Operation um 3 A0 0Hz 10 54 START 2922 GOAL 1 5 i Main Menu Quick Setting Press RUN kw STARTS GOAL ALB Main Menu The display will Programming y change depending ae on the status of STOP key autotuning Operation in Autotuning Mode y ks T aem Tune Susceaslul 18 SECTION E Parameters PROGRAMMING MENU Group A A1 02 Control method Sets control method 2 1s open loop vector 3 1s closed loop vector Group C C1 01 Accel time 1 Set to 1 5 seconds C1 02 Decel time 1 Set to 1 5 seconds C2 01 Serv Acc Start Set to 0 5 seconds C2 02 Scrv Acc End Set to 0 5 seconds C2 03 Serv Dec Start Set to 0 5 seconds C2 04 Scrv Dec End Set to 0 5 seconds C2 05 Scrv Lev Set to 0 5 seconds C3 01 Slip Comp Gain Setto 1 C3 02 Slip Comp Time Set to 2000ms OLV only C3 03 Slip Comp Limit Setto 200 OLV only C6 02 Carrier Freq Set to Hex 0003 Group D D1 09 vn Reference Setto47HZ High Speed 1 10 vl Reference Setto 30HZ Medium Speed 1 14 vi Reference Set to I5HZ
25. ontroller b A Ac Brake Command contactor contol d A1 Freq reference during bb Sc sc sc se v At Ac si 52 ss s4 se se Digital Input Selection npn pnp Internal Power Supply NPN SECTION D Digital Operator Display The key names and functions of the Digital Operator are described below semuis 5 SEN BEF ALARM Drive Status Indicators FWD Lights up when a forward run command is Input REV Lights up when a reverse run command is Input SEQ Lights up when any other run command source than the digital operator amp selected REF Lights up when any other frequency reference source than the digital operator amp selected ALARM Lights up when an error or alarm has occurred Data Display Displays monitor data parameter numbers and settings P 0 Mode Display displayed at the upper left of data display LOCAL DM LJ SC DRIVE Lights up in Drive Mode REMOTE QUICK Lights up in Quick Programming Mode ADV Lights up Advanced Programming Mode VERIF Y Lights up in Verify Mode A TUNE Lights up in Autotuning Mode YA Keys Execute operations such as setting parameters monitoring jogging and autotuning RUN Digital Operator Component Names and Functions Control panel The removable keypad is the device used for controlling and programming the Omron L7 Varispeed drive The control panel
26. overheating resistor overheating Installing Braking Tauli The braking transistor is not operating properly OL1 Votar Overdaad The motor overload protection function has operated based on the internal electronic thermal value OL mustar vadoni The inverter overload protection function has operated based on the internal electronic thermal value Overtorque There has been a current greater than the setting in L6 02 for OL3 iis D etection1 L6 03 time OL4 Overtorque There has been a current greater than the setting in L6 05 for Detection 2 L6 06 time 3 68 There has been a current less than 1 6 02 for 1 6 03 time Detection 1 8 There has been a currnet less than 6 05 for 1 6 06 time Detection 2 The motor speed has been greater than the setting of F1 08 Overspeed piu level for F 1 08 setting time PG disconnection Datactad There is no PG pulse input during motor running Excessive opeed Ihe speed deviation has been greater than F 1 10 setting level Deviation for F1 11 setting time The torque limit was reached continuously for 3 seconds or Contorl Fault Longer during deceleration stop at open loop vector mode EFO External fault from External fault command is received trom the communication Communication card option card EF3 6 Imam The terminal assigned the external fault is closed Terminal The inverter will stop according to the setting of L1 04 Fault 34
27. que current be used for the calculation of slip This amount of slip can be applied the speed reference when inverter ts running at the leveling speed apeed agree time appox 200ms and measurement time must be factory level parameters Note For Inspection Speed vi the described maasure functions are not applicable apply because a motor coasts to stop base black by the stop command Setting parameters Parameter No 22 52 03 2 05 arque detection delay time 2 08 arque detection filtering time 52 07 Slip comp limit 24 Vif mode slip compensation The following block diagram is shown the slip compensation at Vif mode OLY mode slip compensation The following block diagram is shown the slip compensation ab OLY mode AV moule alip cumpersutioi 25 Automatic Speed Regulator Closed Vector control only L7 has two sets of ASR parameters One is for acceleration the other is for decelerate to the leveling speed Inertia Compensation To eliminate the overshoot or undershoot of speed LF has the feed forward control There are two parameters One is for estimated acceleration time to the rated speed with motor rated torque The other is the feed forward proportional gain for fine tuning Setting Feed forward control selection disabled 1 enabled N5 03 Feed forward proportional gain isi 26 SPEED SELECTION PRIORITIES DEFINED AS FOLLOWS D1 18 1 is preferred type for safety
28. r where the lift is unable to reach high speed on a single journey can be set up using medium speeds with a PX delay system Parameter settings for different speeds between floors and slowing delays PX delays for each speed at each floor allow the user to set the lift to run between certain floors at the required reduced speed and the PX can be delayed to give the required slowing distance for that reduced speed to minimize flite time and hence levelling time Consider the following example Contract Speed 1 6m s Floor Height 3m Omron Top Speed Setting D1 09 Reference 47hz Omron Medium Speed 1 Default Setting D1 10 Reference 37hz Slowing Distance on top speed 2 3m approx Maximum Speed Between a Single Floor Run Fig 1 TIME Average Speed Between a Single Floor Run Fig 2 TIME 2 1 2m 2 Vertual PX created By delay in Skycom PXU after delay PXU MSU MSD PXD PXD after delay 1 2m 2 3m 1000ms i 1000ms delay 2 3m a 1 2m 1 ii iii IV V 1000ms delay m F f 1000ms delay 2 3m 12m 1 Set up Procedure The stepping slowing magnets are set to the maximum slowing distance 2 3 meters 1 e slowing distance for top speed Also all PX delays should be set to Os set the medium speed 1 frequency in the Inverter Reference 5 initially to the same as top speed 1 6 12 1 2 3 Run the lift between the single floor and adjust the PX delay in milliseconds for that floor to allow t
29. ter changing the setting BExample Operations Example key operations in advanced programming mode are shown in the following figure Mode Selection Display Monitor Display Setting Display DE ILT i AL OF 02 panna ly BOO Loo eR Selec Language HLT 02 fl Be Methad Aneel Cece Ansel Time 1 m ae BH o 15050 Ansel Time 1 5 Main Menu Quick Setting Operations in Advanced Programming Mode 16 Verify Mode Modified Constants The Verify mode 15 used to display any parameters that have beer ged from their default settings in a pro gramming mode or by autotuning None will be displayed if no settings have been changed The parameter A 1 02 1s the only parameter from the A1 LILI group which will be displayed in the modified constant list if 1t has been changed before The other parameters will not be displayed even if they are differ ent from the default setting In the verify mode the same procedures can be used to change settings as they are used in the programming mode Use the Increment Decrement and Shift RESET keys to change a setting When the DATA ENTER key 15 pressed the parameter setting are written and the display returns to the Monitor display wExample Operations In the example below the following settings have been changed from their default settings 1 01 Acceleration Time 1 1 02 Ac
30. tors on the upper left of the RUN and STOP keys on the Digital Operator These indicators will light and flash to indicate operating status The RUM key indicator will flash and the STOP key indicator will light during initial excitation or DC brak ing The relationship between the indicators on the RUN and STOP keys and the Inverter status 15 shown below i Light Blinking Mot light RUN and STOP Indicators Inverter Modes The Inverters parameters and monitoring functions are organized in five groups that make it easier to read and adjust parameters The 5 modes and their primary functions are shown in the Table below Table Modes oo Mode Primary function s Use this mode to start stop the inverter to monitor values such as the frequency ref Drive mode erences or output current and lor displaying fault information or the fault history Quick programming mode Use this mode to read and set the basic parameters Advanced programming mode Use this mode to reference and set all parameters Use this mode to read set parameters that have been changed from their factory set Venfy mode Values Lise this mode when running a motor with unknown motor data in the vector control Autotuning mode modes The motor data are measured calculated and set automatically This mode can also be used to measure only the motor line to line resistance Always perform autotiming with the moter before
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