v800_mentor ii_pvf - Elevator Controls
Contents
1. ELEVATOR CONTROLS CORPORATION 3525 La Grande Blvd Sacramento CA 95823 916 428 1708 FAX 916 428 1728 MODEL V800 TYPE PVF DC SCR Drive Manual for Start Up and Final Adjustment of the Elevator Controls V800 PVF Control Unit Used in Conjunction with CONTROL TECHNIQUES DC SCR Digital Drive 1995 Elevator Controls Corporation Rev 01 19 02 All information contained herein is confidential and is proprietary to Elevator Controls Corporation and is not to be used or reproduced without prior written consent of Elevator Controls Ctscrpvf doc TABLE OF CONTENTS Introduction Section I Instructions for Installing and Adjusting Elevator Section II Page 7 Page 9 Page 15 Page 20 Page 20 Page 22 Page 22 Page 22 Page 22 Page 23 Page 23 Page 23 Page 24 Page 26 Page 26 Page 28 Page 28 Page 29 Page 30 Page 30 Page 31 Page 33 Page 33 Page 33 Page 33 Page 34 Page 36 Page 37 Introduction WARNINGS Throughout this manual icons will be used to accentuate certain areas of text These icons represent safety warnings cautions and interest areas These icons are explained below kJ WARNING Denotes operating procedures and practices that may result in personal injury and or equipment damage if not correctly followed as CAUTION Denotes operating procedures and practices that may result in equipment damage if not correctly followed BS NOTE Denotes useful and informative proced2. CW until the board does a tach loss trip This verifies that the LSSM tach loss circuit is working The motor drive has it s own Tach Loss monitor Multiply the voltage recorded from II 1 1 above by 0 03 Set the TACH LOSS trimpot to give that voltage at TP 1 Put the car on test and make several runs to verify that there is no tach loss tripping II 1 4 LEVEL DISABLE potentiometer setting Put the car on inspection and position it on a leveling vane Ground TP 5 This should make the LEV DISABLE LED light Remove jumper J1 from the LSSM board Put the car back on test The car should not move Remove the ground jumper from TP 5 The car should now level into the floor This verifies that the leveling disable circuit is working If the contract speed is below 500 fpm multiply the voltage recorded from II 1 1 above by 0 3 If the contract speed is 500 fpm or more multiply the voltage by 0 2 Set the LEV DISABLE trimpot to give that voltage at TP 5 This sets the leveling disable threshold to 30 or 20 of maximum normal speed depending on the contract speed If 1 5 LEVELING and INSPECTION OVERSPEED potentiometer setting Put the car on inspection While running the car turn the LEV INSP trimpot CCW until the board trips The LEV INSP LED and the BOARD TRIPPED neon should be lit This verifies that the leveling and inspection Overspeed circuit is working Leave the board in the tripped state With the car stopped remove the jumper
3. DP1 in DP2 wires on the SDI system 1 3 17 The door operator must be correctly adjusted Remember to reinstall the door fuses Clutches must have proper clearances for running in the hoistway Check the print for any special instruction on your job 1 3 18 Make sure all hoistway doors and car doors are closed and locked Run the car on inspection mode through the entire hatch making sure it is clear of obstructions Door zone and level vanes should already be installed and adjusted to level the car within 1 4 of the floor 12 1 3 19 The SDI system now needs to learn the hoistway This procedure is fully detailed in the SDI USER S MANUAL Section 4 2 Set Up Mode Note terminal posts JMP2 SDI LEARN JUMPER has been provided on the DAB board and needs to be jumped together to perform this Set Up procedure remove jumper after completing the Set Up procedure Be sure normal stop switches do not open before car is fully level at terminal floors and allow for approximately 2 Inches of overshoot in either direction 1 3 20 After completing step 19 above verify that the floor position table is correct Use sub menu 2 2 Floor Position Table on the SDI system Press the UP button on this menu observing the recorded position for each floor The floor positions are shown in two ways feet FT and pulses P about 3 16 inch per pulse These values should be reasonable and correspond to what you would expect the floor heights to be Any of the foll
4. SDI s manual review sections dealing with elevator car Floor count pulse terminal and hoistway not learned errors Verify proper operation of the DZ input making sure that the proper signal LED operates when magnetic switch is on a vane Also check for missing or damaged hoistway vanes II 3 MICROPROCESSOR TROUBLESHOOTING The basic idea of this section is to determine if the Computer Logic Check out indicates a faulty board and if so which if any of the microprocessor system logic boards is faulty so that a good board may be substituted No attempt has been made to diagnose specific problems that might be on any particular board since to do so requires specialized test equipment not generally available to elevator service mechanics 30 Let us assume that you have come to the conclusion that an output is not coming out of the computer system when conditions appear such that it should At this point it becomes necessary to determine if the computer is trying to turn on the output or not and if not what is preventing it from doing so To find out what the computer is thinking or trying to do we need to look into its memory itself This is done by using the ON BOARD diagnostics unit in the manner described in the Field Re programming manual As an example let us say that it is observed that the door open function output fails to operate the door open relay DO in response to a door opening input signal It is observed that t
5. and should be as set at parameter 6 07 If necessary adjust Field Current parameters 6 07 6 08 and 6 11 on SCR Drive Refer to paragraph 1 3 9 above to obtain proper armature voltage DO NOT WEAKEN field more than 20 volts below motor rated voltage 1 4 4 Now that car is running at contract speed from step 1 4 3 the SDI s tach speed display must be checked to agree with car speed Refer to SDI s manual section 3 16 to adjust Tach Gain if necessary 16 1 4 5 The car should now be running at contract speed with no overshoot on acceleration and should be undergoing a reasonable deceleration The idea is to get a smooth overall deceleration into the leveling zone but to not spend much time at a steady leveling speed 1 4 6 Current limiting of the SCR Drive needs to be checked Parameter 5 05 scales the maximum output current displayed at parameter 0 02 and should be set at 2 5 x Drive Rated Current Parameter 4 04 limits the output current of the SCR Drive to a percentage of the maximum output current 1000 100 0 This parameter can be used if the output of the SCR Drive 2 5 x Drive Rating is more than 2 5 x Motor Rated Current Put full load in the car run the car at full speed in both directions with desired acceleration and deceleration and observe at parameter 0 02 that the output current does not exceed 2 5 x Motor Rated Current 1 4 7 Adjusting the speed pattern can be more of an art than a science You have two goals ride co
6. down to pull in D relay on controller Verify motor field forcing voltage on terminals F1 to F2 is as specified in the motor data the above parameters are used to adjust the motor field BES NOTE Although not always necessary it is advantageous to tune the SCR Drive to the motor it is necessary if the motor is not running smoothly To tune the SCR Drive Set the controller to Inspection mode Set parameter 0 00 200 Set parameter 5 27 1 Run the car for a few seconds in both directions Set parameter 5 14 5 13 Set parameter 5 27 0 Performa save parameter values procedure Record parameter values 05 12 to 05 15 for future reference 1 3 10 Advance inspection speed to get 1V on term 3 with respect to 20 on DC DRIVE TB connectors this should be 10 of contract speed Now inspect up 1 V should appear on term 3 Adjust the RV 1 trimpot on the DC DRIVE to give 0 1 or 10 of contract speed as measured on the governor rope with a hand held tachometer Now refer to SDI s manual section 5 to select display 3 1 tracking performance The tach display needs to agree with car s speed Adjust tach gain SDI section 3 16 if display is incorrect Now adjust Inspection speed on SDI to the desired inspection speed 20 to 50 fpm BS NOTE If you are continually getting Following Error on SDI set inspection speed to 20 fpm to stop this fault so that Tach Gain parameter can be set so that tach and pattern values match
7. floors operate in sequence Please note that the number of slowdown switches used increases with elevator contract speed as indicated on tables 5 3 1 and 5 4 1 sections 5 3 and 5 4 in SDI s manual The speed clamps were set in step I 4 8 of the Final adjusting procedure above Please refer to SDI s manual section 4 6 Set Speed Clamps to record the P value adjusted for each of the clamps used I1 4 5 1 2 Now follow the procedure in Section 4 6 Set Speed Clamps in SDI s manual to lower the P value for each clamp by 10 fpm each II 4 5 1 3 Now make a full hoistway run into the top and bottom landing and notice the speed limiting bumps caused by speed clamps as the car decelerates into terminal floor Note that it may be required to lower the P values above per SDI manual section 4 6 to notice the effects of the clamps If necessary test each clamp individually one at a time starting from the highest speed clamp down to verify clamping effect individually Please note that if you lower the clamping setting too low you may get a following error fault on SDI Return P values above to the previously recorded final adjusting values II 4 5 2 EMERGENCY SLOWDOWN TEST II 4 5 2 1 Call elevator to a floor several floors below top except bottom floor II 4 5 2 2 Identify and remove signal DP1 from SDI terminals II 4 5 2 3 Place controller inspection switch to inspection and run car one or more floors up to a floor level Reconnect DP
8. for final adjustment of the elevator Section I 4 1 3 15 Set the leveling switches on the car top to give proper dead zone 1 4 For PVF system LU and LD need to be off 0 VDC when the car is level The vane lengths and switch arrangements are specified correctly on your job selector information Use two twisted shielded pairs for the digital pulse output from the selector Connect DP1 and DPC each to one wire in the first shielded pair Connect DP2 and DPC each to one wire in the second shielded pair DP1 and DP2 are each labeled on the SDI system and the selector DPC on the SDI system connects to MINUS on the selector See your drive SDI prints for a correct wiring schematic Be sure shields are connected at all intermediate junction terminal strips for continuity from selector box to SDI EGND terminal Tape should be painted flat black all the way top to bottom in hole area of tape to avoid light reflections from activating optical sensors Be sure reflector and optical sensors on selector stick are clean You cannot set the re level speed yet the PVF system will not run when off inspection yet 1 3 16 Test the DP1 and DP2 inputs to the SDI Use sub menu 3 8 Target and Position Run the car up on inspection verify that the DP digital pulse value goes up and it is positive Run car down on inspection verify that the DP value goes down If the DP value goes in the wrong direction or increases negatively when going up reverse the
9. from J2 The SAF relay should drop Replace the jumper Put the car on test Make a multi floor run and measure the voltage at TP 6 when the car speed has stabilized after any initial speed overshoot This is the tach voltage when the car is running exactly at contract speed Multiply that voltage by 140 Divide the number you get by the contract speed of the elevator This is the tach voltage at 140 fpm Set the LEV INSP trimpot to give this voltage at TP 4 This sets the leveling and inspection speed trip point to 140 fpm EXAMPLE Contract speed 400 fpm Tach Voltage contract speed 5 00 V 5 00 X 140 700 700 400 1 75 the answer Set TP 4 to 1 75 V II 1 6 TERMINAL SLOWDOWN potentiometer setting Check the controller prints to see if the SLDN terminal on the LSSM board is tied to 4A bus If it is skip this adjustment While making multi floor runs into either of the terminal landings turn the SLOWDOWN trimpot CCW until the board trips as the car slows down on approach to the terminal Now turn the trimpot back about a half a turn at a time until the board doesn t trip on terminal slowdown Measure the voltage at TP 2 and turn the SLOWDOWN trimpot until it rises 0 1 V EXAMPLE If the non tripping voltage at TP 2 is 6 50 V set it to 6 60 V Now make multi floor runs into both terminal landings and see that the board does not do a slowdown trip If the board does trip increase the voltage at TP 2 in 1 V steps until it does
10. not trip Finally check to see that the voltage setting on TP 2 is less than or equal to the voltage recorded from II 1 1 above II 1 7 Remove jumpers J1 amp J2 from the LSSM board The adjustment is complete BS NOTE The LSSM board has two fault indications If a fault occurs momentarily the associated LED will illuminate and stay lit as a warning the safety circuit will not open until the fault is maintained for at least 0 4 seconds This is indicated by the neon lamp 21 II 2 Motor Limit Timer Control If car is running and fails to reach its call within a pre determined time interval the controller will automatically stop the motor further operation of the elevator is prevented until the trouble has been corrected by cycling the inspection switch or power disconnect The computer error code LED indicators and LCD if provided will display the corresponding error status This timer is factory preset for 180 seconds refer to Field Re programming Manual for instructions on adjusting this timer on site II 3 Multiple Door Open Times The V800 controller is equipped with selective door timing for car hall and short door open times The factory pre set values are field adjustable through the use of the ON BOARD diagnostics unit Refer to Field Re Programming Manual for complete detail Check door open times for proper operation and in conformance with handicapped and applicable codes II 4 GUIDE FOR PERFORMING ELEVATOR SAFETY T
11. speed In case of over under shoot joer eS 1 6 Pattern Delay 1 1 Contract Speed i _ 1 10 Leveling speed in hundredths of a second for slow picking brakes FIGURE 1 4 1 1 4 2 Make a series of test runs up one floor then down one floor then a multiple floor run up then down At every run adjust as necessary any of the speed curve parameters depicted on figure I 4 1 below Refer to SDI s manual drawing SDI SUBMENU 1 at end of SDI manual for quick reference about navigating through program variables submenu 1 If car vibrates check tach mounting and wiring if correct reduce Speed Gain adjustments parameters 3 09 amp or 3 10 refer to page 53 in the drive manual As soon as car is able to run at top speed perform step I 4 3 below and then repeat this step as necessary a5 CAUTION Higher numbers higher gain may cause oscillation lower numbers cause sluggish response If necessary adjust parameters 3 09 and 3 10 parameters 5 12 to 5 15 may not be as listed they are adjusted automatically when the auto tune procedure is run 3 09 60 SpeedloopPgain 1 4 3 With SDI parameter 1 1 set at Contract Speed make a multi floor run adjust the speed trimpot RV 1 on the drive to get contract speed as measured on the governor rope with approximately 10 volts applied to SCR Drive TB connector terminals 3 to 20 Verify proper armature voltage at top speed up and down Armature voltage is viewed at parameter 0 01
12. too high an output will cause the unit to trip out If this happens lower adjustment back then cycle power off HI 3 2 2 Microprocessor Board as CAUTION Do not depress the microprocessor reset button while car s is running as it will cause car s to stop from whatever speed they are moving Use extreme care Function of Lights and Switches On the processor board there are nine light emitting diodes LED s five push buttons and some switches The one LED located by itself near the top of board is an indicator which if on says that the processor is at least functioning in a very basic way but does not necessarily mean that the system is functioning normally The eight remaining LED s are in a row and are used to display the error status codes so will the LCD display in English format In general the car A B switch directs the eight LED s to be indicators for CAR A if the switch is UP or CAR B if the switch is DOWN for single computer duplex systems only Normally however the A B switch is always left in A position since most systems are supplied with one computer per car Refer to Field Re programming manual for details on the use of switches on computer board There are a group of special conditions that are recognized by the processor and if one of these errors occurs the processor will display the code corresponding to that condition Then this code is looked up by the serviceman in a chart to see what the situation was tha
13. 02 706 603 1 3 2 Note that the SCR Drive Ready light and output is not sensitive to input power phase rotation but will fault if one or more phases are lost 1 3 3 Verify standing motor field voltage on F1 to F2 Exact field voltages will be adjusted later 1 3 4 Now check main safety circuit to see that SAF relay in controller is picked We will next try to run the car With a PVF system on start up the SAF relay should not pick until the system is placed on inspection If SAF does not pick when on inspection refer to the safety circuit on job prints Please also note that the SCR Drive Ready output will pick DSAF relay and the SDI will pick the SSAF when no faults exist BES NOTE The LSSM Low Speed Safety Monitor board also has contacts in the safety and leveling circuits Verify jumpers J1 amp J2 are in place on the LSSM board to bypass these contacts The adjustment of this board will be accomplished as described in Section II after final adjustment is complete The jumpers must be removed after adjustment is complete 1 3 5 Place controller on inspection by setting controller run insp switch to inspection Our objective here and in the next step is to get the car to move in the proper direction and be responsive to varying speed commands with proper tach polarity and proper motor field and brake voltage At this point adjust SDI s program variable 1 12 inspection speed to 4 fpm Review SDI section 3 Prog
14. 1 and place controller inspection switch to normal 24 II 4 5 2 4 Place a car call for the top floor As the car approaches the top floor the SDI will initiate an emergency slow down to terminal upon detection of slowdown switches as a result of failure of normal floor count slowdowns provoked by steps II 4 5 2 2 and 3 above Repeat procedure in similar manner for bottom terminal floor BES NOTE The SDI board will open the safety string after detecting the pulse count failure P provoked above Reset the SDI after the car stops to restore the safety circuit fs CAUTION After completing safety tests be sure to remove all jumpers above BS NOTE Reconnect the wire to terminal Rd if Absolute Floor Encoding is used 25 Section III TROUBLESHOOTING GUIDE III 1 System Not Functional In General car won t run The solid state portion of the Elevator Controls Microprocessor Controller is the most reliable part of the entire elevator plant While it is possible that a problem may occur one should first look to the power controller and outside world for malfunctions It should also be noted that the same program loop is used for both cars of a duplex installation and that if one car is running the computer is working properly even if the other car is inoperative IMPORTANT For your convenience and in order to save troubleshooting time and money the V800 controller is equipped with multiple indicators that are designed to help
15. 50 VOLT 2 BUSSMAN A FRN R 10 20 30 60 AMP 250 VOLT B FNQ 5 10 15A 500 VOLT C DRIVE POWER FUSES REFER TO PAGE 4 OF DRAWINGS FOR SIZE AND RATING VI 4 POWER SUPPLY POWER ONE HBAA 40W A MICRO PROCESSOR POWER SUPPLY VI 5 SEMI CONDUCTORS MOTOROLA HEP RO170 MOTOROLA 1N5347B 10V SWATT ZENER DIODE MOTOROLA 1N5333B 3 3V SWATT ZENER DIODE TECOR L4004F31 4 AMP 400VOLT SENSITIVE GATE TRIAC 37
16. Before Final Adjustment Terminal amp Resistor Pattern Clamp Terminal amp Resistor Pattern Clamp Number Number U D T1 R55 P 20 FPM U D T8 R60 U D T2 R54 P 100 FPM U D T10 R61 P U D T5 R53 P 250 FPM U D T12 R50 P 1000 FPM 1 200 FPM U D T6 R58 P 400 FPM U D T14 R57 U D T7 R59 P 600FPM I 3 Start up for Control Techniques DC SCR Drive 1 3 1 Familiarize yourself with Control Techniques MENTOR II drive manual in particular Procedures for Selecting and Changing Parameters page 33 and note the following in conjunction with such manual ES NOTE a Parameter 0 00 data must be set to 200 to satisfy security requirements before any changes or adjustments can be made b Parameters listed below have been changed from the factory defaults by Elevator Controls and must remain as changed for proper operation PARAMETER 518 O Standstill Enable OFF 302 c Any changes or adjustments will be returned to previous values if power is turned OFF unless saved by setting parameter 00 00 data to 001 and pressing RESET See drive manual page 33 d Verify that the appropriate tachometer range is selected on SW1 refer to Paragraph 5 2 1 in the MENTOR II manual page 26 The 50V to 200V range has been factory set e In addition note that the following parameters have been changed to provide trouble shooting information on the input and output of the SCR drive PARAMETER 304 502 303 3
17. DMU SU with DMD SD DMU DMD are the demand flags they are set any time the computer is requested to move the car in response to a call SUA SDA 1 car lost BFD TFD 1 parking demand UPF LPF 1 fire or emergency recall FRM EPR TII 3 1 5 High Speed Output HR Start DLK amp EQA amp DMU amp USD1 DMD amp DSD1 amp LVL amp DOI HR Drop CCT HCT CCF CCR HR Call answered OR DMU amp DMD amp SU amp STU SD amp STD HR Lost demand OR DLK EQA DNS amp DSD1 UPS amp USD1 HR Not save for HR III 3 1 6 Call Disconnect and Reject CCD HCDX HCR a CCD Car Call Disconnect car calls won t latch IN EPI FRM EPS EQA MLT INC ISR TFD BFD CCDFU CCDFD CCD b HCDX Hall Call Disconnect hall calls won t latch FRS FRA EQA HCDX If duplex both car s flags are considered c HCR Hall Call Reject calls latch but car won t respond INC FRM EQA TOS ISR HLW SAF IN EPS HCR Even if HCR 0 CCD 0 Hall Car calls will be ignored by computer even when latched in if car stopping table indicates car should not respond to such call see car stopping table in Field Re Programming manual 32 1 3 2 HARDWARE LOGIC III 3 2 1 Computer Power Supply The proper voltage to the SDI and elevator computer boards is 5 VDC 5 this voltage should be checked at the power supply OUT to OUT terminals If you need to adjust be very cautious turning adjustment for
18. EN Pattern enable is active MFW Motor field weakening is not used with SCR drives If the ST UP or DN INS and PEN inputs are not active as you try to run the car in section I 3 below then you will need to determine the cause Normally an open safety string or open limit switch causes a problem here The SDI system needs a correct initial set up this is done at the factory You should verify the set up yourself before attempting to run on inspection See SDI USER S MANUAL Section 3 Program Variables The following parameters must be set correctly 1 1 Contract Speed See SDI USER S MANUAL section 3 3 1 2 Number of Floors See SDI USER S MANUAL section 3 4 1 13 Tach Polarity See SDI USER S MANUAL section 3 15 1 14 Tach Gain See SDI USER S MANUAL section 3 16 final setting of this parameter requires car to be running at contract speed it is mentioned here because if off limit it can cause SDI safety relay to drop 1 15 Tach Zero See SDI USER S MANUAL section 3 17 1 2 7 The SDI pattern clamps need to be set correctly This is not a final adjustment The factory should set the clamps to the values below Verify these values on the SDI system using sub menu 2 5 Set Speed Clamps Some clamps may not be used on your job if your contract speed is less than the value shown below that clamp will be unused Turn trimpots for unused clamps fully counter clockwise by 20 turns See SDI USER S MANUAL Section 3 6 Initial Clamp Settings
19. ESTS AND INSPECTION ES NOTE The following procedure is intended as a guide while performing periodic inspection and safety tests of elevator Please refer to Safety Code for Elevators and all applicable local codes for requirements as CAUTION Safety tests should be accomplished by a qualified adjuster or serviceman A helper should always be present and prepared to turn off the main line disconnect to remove power from the elevator if needed when the car is run with safety switches bypassed Proceed with caution BS NOTE For the following safety tests II 4 1 thru II 4 5 remove the wire from terminal Rd when Absolute Floor Encoding is used Reconnect the wire to terminal Rd when safety tests are completed 11 4 1 FULL LOAD CAR BUFFER TEST II 4 1 1 Put full load in car place controller test switch to test position II 4 1 2 Call elevator to a floor several floors up from bottom except top floor II 4 1 3 Jumper terminal 4A to all down slowdown switches terminals DSD1 DSD2 and DT6 thru DT 14 if used for higher speeds II 4 1 4 Identify and remove signal DP1 from SDI terminals If 4 1 5 Place controller inspection switch to inspection and run car one or more floors down to a floor level Be sure DZ relay is picked Reconnect DP1 and place controller inspection switch to normal I1 4 1 6 Place jumper from controller terminals 17 to 23 This bypasses safety switches Also jumper terminals 29 to 33 to bypass down normal limi
20. I and adjust it to match Pattern and Tach FPM values while observing Tracking Performance Display sub menu to avoid following error fault Return car to top floor and remove car from inspection II 4 4 5 Place a car call to bottom floor and be prepared to measure car speed at trip point Car will accelerate to overspeed until safety sets firmly Flip controller inspection switch to inspection to stop car Restore car safety and contact to normal as well as governor contact Return SW1 switches to their original position move LK1 to Adjust and set parameter 3 02 to the data setting noted in step II 4 4 4 above Restore Tach Gain parameter on SDI to previously recorded value Remove all jumpers above to place car back to normal operation II 4 4 6 Repeat procedure similarly for counterweight safety if any speeding empty car from bottom floor up instead BS NOTE The SDI board and or drive unit may open up the safety string after detecting the failure y op provoked above Reset the SDI and or the drive after the car stops to restore the safety circuit 11 4 5 EMERGENCY TERMINAL STOPPING AND SPEED LIMITING DEVICES TEST II 4 5 1 SPEED LIMITING DEVICE TEST II 4 5 1 1 Place test switch on controller to test position The speed limiting circuits work independently of the SDI computer and work as a clamp on the speed pattern output circuits to cause the elevator to slowdown to the clamp set speed as the slowdown switches at the terminal
21. a 2 second value to allow faster response to car calls while the car is operating under test mode Please be sure the timer is reset to the pre modified value before car is turned off from test mode of operation Please refer to Field Reprogramming manual for instructions on how to use the Direct Access mode of the On Board Diagnostics tool If car does not respond refer to Elevator Controls Guide to Error Condition Codes sheet which will aid the adjuster in determining why the elevator is not responding Pay particular attention to the multiple L E D indicators on the I O board If car is leveling the LVL indicator will be off and car cannot respond until leveling process is complete If none of the door opening devices or call input is active the corresponding indicator will be lit If the SD or SU for up indicator is on and Down relay is not picked check normal limit switch Also check DSD2 and USD2 LED s they must not be both off or reversed These are the corresponding terminal landing slowdown switches that open when car is at corresponding terminal floor Pay attention to liquid crystal display on elevator computer board 14 I 4 Final Adjustment Read thoroughly before continuing Verify leveling switches on cartop to give proper dead zone 1 4 Be sure TM switches or slowdown limits stop limits and overtravel limits are all properly set according to hoistway print Check Access operation if provided incl
22. ackwards The polarity of the tachometer input to the Drive must be established While running down terminal 9 should be positive with respect to terminal 10 on Drive power module TB connector If this is the case and car runs in the proper direction skip to end of step Otherwise reverse both motor field wires on terminals F1 F2 and the field wires from tach to terminals 9 amp 10 on Drive Car should now run in proper direction with correct tach polarity established Slightly vary the inspection speed on SDI to check drive response 1 3 8 Prove that the brake will properly hold at least an empty car perform any necessary adjustments to get proper brake operation 1 3 9 The following parameters control the motor field current verify that the settings are correct 10 PARAMETER time delay seconds before economy timeout 609 500 Economy of max field amps 6 07 Arm voltage at start of field weakening set to 10 20 volts below Motor Nameplate Rating 6 10 500 Min value of field amps to prevent excessive weakening Set in accordance with motor requirements Jumper Jlon MDA3 card has been set to 2A or 8A as required by job specifications Refer to drive manual paragraph 3 page 28 For field current ratings over 8 amps refer to drive manual Chap 9 page 95 an external field module will be supplied Programming will be similar to above except parameter 6 11 will be programmed directly in amps Flip inspection up dn SW
23. al and is a 10 to 10 volt signal with 10 volts being contract speed in the UP direction 10V is contract speed in the DN direction Connect the second probe to terminals 13 and 20 on the TB connector this is the tachometer feedback signal 10 volts is contract speed in the UP direction as CAUTION If grounding pin on your oscilloscope plug is electrically connected to the negative probe lead then you MUST NOT attempt to connect the negative lead to the equipment or damage will occur In this case if your scope has 2 channels with channel B invert feature active remove negative leads from probes press A B button on scope Use A and B probes to measure signals ES NOTE a pair of hand held radios and a helper can be a great help After the speed pattern is adjusted as well as possible from the machine room the adjuster should ride the car while a helper adjusts the system per the adjuster s instructions There is simply no substitute for riding a car while adjusting The speed profile drawing Figure I 4 1 below provides information at a glance of the parameters involved for the adjustment of the elevator ride Please use as reference 15 SPEED CURVE PARAMETERS 1 4 Roll over Jerk gt Ee Pi te sre lt a 1 5 Deceleration Jerk controls rounding controls rounding 1 7 Acceleration lt a 1 8 Deceleration 1 3 Initial Jerk controls soft start 1 9 Leveling distance controls approach 1 10 Re level 4
24. attern variables the speed clamps on the SDI may need to be re adjusted Repeat this step any time you adjust Initial Jerk Acceleration and Roll Over Jerk Deceleration Jerk Deceleration or Leveling Distance a5 CAUTION Verify all connectors in the system are correctly seated Ribbon and plugable field wire connector can wiggle loose when the system is being worked on Press firmly on all connectors to seat them 19 SECTION II II 1 Low Speed Safety Monitor Adjustment EES NOTE The Low Speed Safety Monitor LSSM contains several circuits required by code ANSI ASME A17 1 and other safety circuits and therefore should be adjusted carefully The safety monitors of the LSSM are 1 Elevator Overspeed 2 LSSM Tachometer Monitor 3 Leveling Disable 4 Leveling and Inspection Overspeed 5 Terminal Slowdown monitor R CAUTION The following adjustments should not be attempted until the final adjustment of the car is complete or this procedure will have to be redone BS NOTE TP 8 is ground all measurements are to be made with the negative lead attached to TP 8 Do not use any other ground point for this purpose If an oscilloscope is used be certain that the ground lead is isolated from the line or the board will be damaged as CAUTION Verify Jumpers J1 amp J2 on the LSSM board are in place Be sure to remove jumper when adjustment is complete II 1 1 A Set Up utilizing Pulse Input ES NOTE Skip to II 1 1 B if Tacho
25. computer Also included are low pass filtering to reduce noise susceptibility and Schmitt triggers to increase noise margin The relay and signal driver section of the I O board provides high voltage switching outputs to actuate relays on HLS module and general elevator signals 33 SECTION IV DETAILED EXPLANATION OF SUPERVISORY SUBSYSTEM IV 1 Detailed Explanation of Supervisory control Subsystem Operation The operation of a computer is basically serial That is the actual logical decision making process is concerned with one piece of data at a time Since an elevator is a continuous real time machine the supervisory control subsystem microcomputer or microprocessor is made to operate in a loop performing a pre determined pattern of instructions many times each second Its speed is such that each elevator control function appears to be continuously monitored The paragraphs that follow offer a brief explanation of the basic control loop and the functions performed by the computer during each portion of that loop Before any logic decisions can be made data must be acquired so the first portion of the control loop is called contact scan At this time the microprocessor interrogates each input hall calls car calls and power subsystem inputs and saves them in the data storage memory The data from the memory is then used during the rest of the control loop In effect the controller takes a snapshot of the entire elevator system an
26. ction input INS The SDI user s manual will help you familiarize yourself with the SDI programming Hoistway learning SETUP as well as diagnostics and monitoring of its functions You will note that there is a Quick installation reference guide intended for those who are already familiar with the controls system drive system and SDI system It is also useful when replacing SDI boards only when no Drive or Controller parameter adjusting in required DO NOT USE THE INSTALLATION GUIDE in the SDI manual unless you re familiar with Elevator Controls system or otherwise directed herein to do so The guide in SDI s manual is for general reference purpose BES Note The signal controls supplied to the SDI system are UP DN and ENA as well as INS inspection mode These inputs are connected via relay logic and are the minimum signals the SDI system needs to generate a pattern These signals can be viewed at menu 3 4 and 3 6 on the SDI as shown 3 4 CONTROL SIGNALS 3 6 EDGE I O UP 0 LU 0 DZ 1 INS 1 EQS 0 PEN 0 DN 0 LD 0 DPS 01 EQ 0 MFW 0 ST 1 0 NOT ACTIVE UP UP DIRECTION INS INSPECTION INPUT 1 ACTIVE DN DOWN DIRECTION EQ amp EQS EARTHQUAKE INPUT LU LEVELING UP PEN PATTERN ENABLE LD LEVELING DOWN MFW MOTOR FIELD WEAKENING DZ DOOR ZONE ST SDI READY WITH NO FAULTS DPS DIGITAL PULSES DP1 amp DP2 INPUTS Note ST indicates the SDI is ready and drives the SSAF relay in the safety circuit SDI will not output a signal voltage until P
27. d ground shield at controller end only BS NOTE Check job prints for any requirements for mounting of speed monitoring tachometer or magnetic speed pick up unit Magnetic pick up sensor is mounted using uni strut to detect magnets glued on to motor shaft In any case you must use shielded cable to wire unit to controller 1 1 3 Refer to any Supplemental Adjusting instructions I 2 Procedure for startup of Elevator Controls Microprocessor Control System Model V800 These are not final adjusting instructions In the following instructions it is assumed that all hatch doors are closed but not necessarily locked all hoistway and machine room wiring is complete The car safety must be adjusted to the manufacturer s specifications and the governor installed and roped Test the safety by hand to insure it will hold the car Correct any malfunction before proceeding further These instructions also assume a minimum of electrical trouble shooting experience and no attempt is made here to out guess all the possibilities that may occur Follow the procedure carefully and if the elevator does not respond correctly check the circuits according to your ability If you can t locate the problem in a reasonable time call for an adjuster or serviceman experienced in trouble shooting Proceed cautiously You will find the multiple L E D indicators on the I O boards and the computer diagnostics very useful tools that will save you installation troubleshooting
28. d uses that for decision making These snapshots are made many times each second so that system monitoring is essentially continuous After the data has been acquired proper outputs are computed for fire service The next major block in the control loop deals with stepping This system has no mechanical floor selector When power is first applied the Supervisory Control system checks to see if the car is at the top landing on the up slow down limit or at the bottom landing on the down slow down limit If so the internal electronic selector is set to the proper value If the car happens to be somewhere in mid hoistway when power is first applied the system will obtain current car position from the SDI computer whereupon it will become synchronized As the car passes each floor the internal electronic selector is updated accordingly The point of this stepping is actually one slow down distance ahead of each floor When the car steps into any given floor the control system determines if there are any calls registered for that floor and if so initiates a slow down and cancels the calls This method requires no mechanical attachments to the car such as chains wires or tapes After the controller processes data pertaining to a moving car it scans all calls present and selects a direction preference for the car if it is not already answering a call The next block in the control loop is concerned with proper operation of the doors Whi
29. elow use signal abbreviations names as listed in the Field Re programming manual they are used on the job prints for the input output signals These abbreviations are easily learned since they clearly represent the signal name e g DOB door open button DC Down Call cancel etc b the small zero superscript used on a signal name indicates that the signal is active when off or it is required for signal to go off for something to happen Thus DOLF is a signal that when on indicates doors are not fully open when off indicates that doors are fully open c The plus symbol is used to indicates an OR function Thus the equation DOB SE reads either door open button input OR safety edge input Likewise the amp symbol is used to indicate an AND function Thus the equation DOI amp DOLF DOF reads door open intent on AND door open limit off will generate a door open function output Please note that the words AND and OR are used instead of amp and symbols when combining two smaller equations 31 LOGIC FLOW EQUATIONS III 3 1 1 Door Open Function Output DOF Demand CCF UC DC OR Input DOB SE PHE DHLD AND DZ DOI DOI amp DOLF DOF II 3 1 2 Door Open Function Rear Output DOFR SAME AS ABOVE FLAGS ARE SUFFIXED WITH LETTER R CCFR UCR ETC III 3 1 3 Computer Up Output SU Start DZ amp DLK amp HIR amp DMU SU Hold HIR DZ AND SU amp DLK SU III 3 1 4 Computer Down Output SD Same as SU above replace
30. he DOF door open function output LED indicator does not turn on We now set the diagnostics switches as described and locate the DOF function near the bottom of the Memory Flags Listing page which indicates an address of 9B for DOF and observe that indeed the LED indicator corresponding to the DOF position is off This tells us the computer is not turning on the door open output This must mean that either the open signal input say door open button DOB address 81 is not coming in or computer thinks doors are already fully open DOLF door open limit front input is zero address 80 or it is otherwise unsafe to open doors DZ 0 or HIR 1 Inspection of these flags will indicated either that an input was not supplied to the system properly or that the computer can not see it In the later case we suspect that the I O board specially if DOB and DOLF do not track input signals or ribbon cable connecting it to computer board is faulty In a manner similar to the example above any other output input can be traced to the computer memory in search for the faulty section The section below illustrates the logic involved in the computer to process the indicated outputs and signals II 3 1 OPERATIONAL LOGIC DESCRIPTION The following description of computer logic control is described in a synthesized format Boolean logic flow equations They are very simple to read and understand if the following guidelines are understood a The logic equations b
31. he elevator position to within 3 16 of an inch This position along with field adjustable variables is used to generate an optimum speed pattern that is fed into the speed regulator A manual titled SDI USER S MANUAL is provided under separate cover to cover the SDI functions in full detail You will need a copy of the SDI manual to use as instructed in this manual 3 Speed Regulator or drive system Control Techniques SCR drive please refer to Control Techniques Mentor II drive manual herein referred to as drive manual for details on this drive The speed regulator has the responsibility to make the elevator follow the speed pattern produced by the SDI and control the actual speed and ride of the elevator This Manual deals with the installation and adjustment of the complete system and it is intended for use in conjunction with the SDI and Mentor II drive manuals captioned above IMPORTANT The position transducer on cartop uses optical sensors to read tape holes It is important to keep the sensors and reflector clean from dust and debris particularly on new installations where dust and dirt is excessive Do not grease the center of the tape that it may reflect or get optical readers dirty Apply flat black paint to the center row of the entire length of tape where tape holes are located to avoid reflections due to hoistway cartop illumination Section I INSTRUCTIONS FOR INSTALLING AND ADJUSTING ELEVATOR I 1 Protect printed circui
32. in Tracking Performance SDI display Then increase inspection speed to desired value If lowering Inspection speed to 20 continues to generate following error then check proper polarity of tach input and or verify setting of Speed Clamps on SDI and be sure unused clamp trimpots are set fully counter clockwise 11 1 3 11 Remove jumper 4A 24 and check primary safety circuit all items and repair as necessary Check cartop stop switch and up and down buttons Inspect full length of hoistway for free running clearances Check all door locks 1 3 12 Check Access operation if provided including proper door lock bypassing 1 3 13 Be sure TM switches or slowdown limits stop limits and overtravel limits are all properly set according to hoistway print 1 3 14 BE SURE CARD CONNECTORS ARE SNAPPED IN ALL THE WAY Verify all connectors in the system are correctly seated if you haven t done so before Ribbon and plugable field wire connectors can wiggle loose when the system is being worked on Press firmly on all connectors to seat them If more than one car be sure duplexing Phone cables are installed along with any 18 wire cross connects according to hoistway print Install F50 fuse if used on this controller At this point the system should run correctly on inspection If you are still having problems review steps above and repeat as necessary Before running the system on automatic follow steps I 3 15 through 23 as well as the procedure
33. ing after detecting the pulse counts failure provoked above Reset he SDI after the car stops to restore the safety circuit II 4 3 GOVERNOR TEST II 4 3 1 ELECTRICAL OVERSPEED TEST Manually trip governor overspeeds switch open to verify that safety circuit drops out Now with governor cable lifted off the governor spin governor while measuring speed to verify electrical and mechanical tripping speeds A variable speed drill motor is very handy for spinning governor Place governor cable and contact back to normal Repeat procedure for counterweight governor if any 11 4 4 FULL LOAD CAR SAFETY OVERSPEED TEST II 4 4 1 Put full load in the car and then place the controller test switch to test position II 4 4 2 Call elevator to Top floor II 4 4 3 Place jumper from controller terminals 17 to 23 This bypasses safety switches I1 4 4 4 Note setting of parameter 3 02 Speed feedback by moving link jumper LK1 on the SCR Drive MDA2 board to the Adjust position Return jumper after noting the data value While running car down on inspection adjust speed trimpot RV1 to get car running at a speed about 1 4 times higher or more than before If adjusting the trimpot does not speed car up enough you ll need to turn on the 60V to 300V SWI switch on the SCR Drive Be sure to turn the 50V to 200V SWI switch off Then adjust trimpot RV1 on drive to get the 1 4 times inspection over speed Record current setting of Tach 23 Gain parameter on SD
34. isturbed the more likely the system is to continue to function properly The elevator itself however is a complex mechanical apparatus and therefore requires periodic routine preventive maintenance In addition to lubrication of the various moving parts the door lock contacts should be cleaned and inspected regularly since the exposed contacts are susceptible to dirt and corrosion The doors also receive the most wear often making two or even three cycles at a floor In addition to the door lock contacts the various rotating machinery belts and couplings should be routinely inspected for wear Worn belts could cause loss of control of elevator car If the elevator system develops problems or becomes inoperative refer to the Troubleshooting guide 36 Section VI REPLACEMENT PARTS LIST VI 1 ELEVATOR CONTROLS PC BOARDS 1 MPC P8 MICRO PROCESSOR BOARD 2 MPC IO6 INT Vxx MAIN INPUT OUTPUT BOARD 5 MPC IOEX Vxx INPUT OUTPUT EXTENSION BOARD 6 E C TIMER 100D 7 MPC SDI AND SDI I O MICRO PROCESSOR BOARDS Note xx is the FIXTURE VOLTAGE VI 2 RELAYS 1 POTTER amp BRUMFIELD 2 OMRON 3 IDEC A KHAU 17A12N 120 A MY4AC110 120S A RU4S D12 B KHAU 17D12N 110 B MY4 DC12S B RU4S A12 C KUP 14D35 110 C RR3B ULDC110V D PRD11DHO0 110VDC VI 3 FUSES 1 LITTLE FUSE A 312 250 1 4 AMP 250VOLT B 312 001 1 AMP 250 VOLT C 312 002 2 AMP D 312 003 3 AMP E 314 015 15 AMP 250 VOLT F MDA TYPE 3 5 10 amp 15 AMP 2
35. le the car is running this portion is bypassed but when the car enters door zone the block becomes very active Some functions performed by the door processing block are door holding times hall call time car call time and shortened door time door opening and closing and permission to proceed at high speed The car actually moves in response to signals generated during the door portion since all interlocks and timers as well as car panel button inputs must be correct in order for the car to move 34 The final block of the control loop takes the data generated by all previous calculations as well as the calls stored in memory and lights the appropriate car panel and hall indicator lamps The loop is now complete and the processor starts over with contact scan As mentioned previously this whole loop is repeated many times each second so that operation is smooth and to all outward appearances continuous It should be noted that the power up logic in addition to correctly presetting the floor selector memory location clears all memory locations and output buffers prior to applying any signals to the power control subsystem to insure safe stable operation 35 Section V MAINTENANCE The Elevator Controls Microprocessor Elevator Controller has been designed to require as little routine maintenance as possible In fact the mechanical interconnections are the least reliable portion of the solid state system and the less they are d
36. m being left out of the terminal that would potentially create shorts All terminals and cable connectors must be checked to be sure they are seated properly When connecting flat cable connectors be certain to match pin 1 marks arrow symbol on connectors red stripe on cable a5 CAUTION Please restrict access to elevator control equipment and apparatus to qualified personnel only Introduction The V800 Type P V F system is a multi computer network that controls the elevator The P V F uses a Dual Feedback Servo loop from the elevator s speed and position to produce the optimum ride and performance Figure I 1 is a block diagram of the P V F multi computer network Elevator Controls Position Velocity Feedback system is composed of three basic elements in addition to the relay logic interface circuitry These elements are SMART DRIVE SYSTEM SMART DRIVE SPEED ELEVATOR COMPUTER INTERFACE REGULATION PROCESSOR L DRIVE ra RELAY amp INTERFACE LOGIC POSITION TRANSDUCER ELEVATOR CAR 1 Elevator Car Controller Computer It controls all of the elevator sequencing and signals The elevator computer is the master computer and tells the Smart Drive Interface SDI and the Speed Regulator what to do 2 Smart Drive Interface SDI The SDI has the responsibility to generate the optimum speed pattern The SDI receives quadrature pulses from the position transducer The SDI keeps track of t
37. meter is used for speed monitor feedback Jumper J3 on the LSSM board is set to FREQ TEST switch on HLS relay board is on this disables door operation Make a multi floor run so that the car achieves contract speed and measure and record the highest voltage on TP 6 with respect to TP 8 on the LSSM board II 1 1 B Set Up utilizing Tachometer Input EES NOTE Skip to II 1 2 if Pulse Input is used for speed monitor feedback Jumper J3 on the LSSM board is set to VOLTAGE and resistor R45 is installed TEST switch on HLS relay board is on this disables door operation Make a multi floor run so that the car achieves contract speed and set VR6 so that the voltage on TP 6 with respect to TP 8 on the LSSM board is approximately 8 volts II 1 2 OVERSPEED potentiometer setting with the car running at contract speed turn the OVERSPEED trimpot CCW until the board does an Overspeed trip The OVERSPEED LED and the SAFETY TRIPPED neon should be lit This verifies that the Overspeed circuit is working Now multiply the tach voltage recorded from I 1 1 above by 1 15 Set the OWERSPEED trimpot to give that voltage at TP 3 This sets the Overspeed trip point to 115 of maximum normal speed 20 II 1 3 TACH LOSS potentiometer setting The SCR Drive is set to activate the output tied to the LSSM board s AS input at 5 of contract speed parameter 3 23 While making one floor runs slowly turn the TACH LOSS trimpot
38. mfort and brake to brake time You will have to decide which to work on at any one time The two goals are not exclusive you can achieve both The section below provides the adjuster with information and hints to fine tune elevator for best performance and comfort Please read thoroughly and make any adjustments needed As you adjust the parameters below refer to the relevant sections in the SDI USER S MANUAL These sections contain explanations and illustrations to help you adjust the system Decreasing Brake To Brake time A Increase 1 7 Acceleration See Section 3 9 in SDI s manual ES NOTE When you do this you will probably have to increase 1 3 Initial Jerk and 1 4 Roll Over Jerk The jerk values should be 1 to 2 times the Acceleration value Example if Acceleration is set to 200 FPM s Initial Jerk and Roll Over Jerk should be set between 200 FPM s s and 400 FPM s s B Increase 1 3 Initial Jerk and 1 4 Roll over Jerk See Section 3 5 and Section 3 6 in SDI s manual BS NOTE Both of these parameters should be changed whenever 1 7 Acceleration is changed significantly For quick brake to brake times use 1 4 to 2 times the Acceleration value Higher jerk values will cause the pattern to reach contract speed quicker C Increase 1 8 Deceleration See Section 3 10 in SDI s manual BS NOTE your Deceleration value will probably have to be 25 to 50 FPM s less than your Acceleration value This improves passenger comfort and als
39. nlocked condition examine and repair the door locks as required Should the U or D Relays remain out with a properly locked door circuit check the operation of the relays by briefly jumping Terminals 4 to 30 U should pick If it does but jumping 4 to 28 does not check and repair the UP STOP LIMIT switch Similarly try 4 29 and 4 33 for down If the U or D Relays pick on these tests and the P Relay picks with either U or D but do not with the registration of a call with SU SD indicator on I O board lit turn controller off and replace the ribbon cable connecting the HLS Module to the I O If SU SD indicator does not lite up check that call registered LED indicated call latched if you cannot get calls to latch in refer to the section on microprocessor Troubleshooting 27 III 2 Malfunctions in an Operating System II 2 1 _ Doors Operating Improperly or Not at All Blows fused F8 and or F7 and or Resistor Test For 1 Damage to relays O C or CX 2 RD1 Overheats 25ohms 225W Mechanical trouble on door operator on car No operation of doors DO and DC relays Check 1 All components in the O C and CX relay operate OK fuses F7 and F8 are OK circuits and 2 Mechanical trouble on door operator on car Doors operate one direction only and Test for contact closure across the proper relay DC for correct DO and DC relays are operating close DO for open Doors operate one direction only Only Check DOF DCF indicator
40. o makes final approach into the floor more accurate D Decrease 1 9 Leveling Distance See Section 3 11 in SDI s manual BS NOTE The leveling distance is used in place of a final stopping jerk An oscilloscope is very useful for viewing the shape of the final curve Also leveling distance is measured in pulses from the tape 3 16 of an inch per pulse You ll have to make larger changes of this value at least six to ten pulses to see any change in performance 17 BS NOTE Leveling distance must always be greater than 16 which is only 3 of controlled floor targeting Leveling distance should normally always be greater than 32 A good working range is 72P to 38P Passenger Comfort A Increase 1 6 Pattern Delay See Section 3 8 in SDI s manual BS NOTE This is only useful if the car is pulling through the brake when the pattern starts Increasing pattern delay will wait for a given amount of time allowing the brake to pick B Decrease 1 10 Leveling Speed See Section 3 12 in SDI s manual ES NOTE Leveling speed is set high at the factory so a car won t stall coming into a floor You will need to decrease leveling speed to about 4 FPM to eliminate the bump when stopping in most systems C Decrease 1 3 Initial Jerk See Section 3 5 in SDI s manual EES NOTE Excessively high jerk values can cause passenger discomfort EES NOTE Some motor systems can not follow high jerk values The resulting overshoot can cause bump
41. on I O driver board one DO or DC relay will operate Refer to Microprocessor Troubleshooting Guide Turn NORMAL TEST switch on HLS Module to NORMAL Door speed incorrect at either end of Check 1 Slowdown cams that operate slowdown travel Doors slam or drag resistors on door operator on car top Readjust if necessary and 2 Spring operated door closer on hoistway door Doors open a few inches or less at one Readjust upper and lower link connections on lift rod for particular landing and appear to be door lock so that lock properly clears lip of enclosure mechanically stuck but reclose so car can leave Other mechanical problems with doors Refer to drawings relating to mechanical portions of door operator 28 III 2 2 Drive problems IHI 2 2 1 Refer to Mentor II manual supplied by manufacturer BS NOTE A record of the last four drive failures have been recorded and can be viewed thru parameters 10 25 thru 10 28 Refer to page 71 in the SCR Drive manual II 2 2 2 The following critical drive values can be displayed on the SCR Drive digital readout refer to page 29 of the drive manual 505 Scaling of Arm Current set to 2 5 x Rated Current 0 03 3 16 Speed scaling set to Contract Speed o o o 706 ACline Voltage GH 0 07 29 II 2 3 Call Button Problems Car will not respond to a specific If the system does not register a call or a group of calls but the call car function
42. on switch and then turn inspection off The car should re level up into the floor Check that the relays sequence properly for re leveling and adjust the program variable 1 11 Re level Speed for accuracy and comfort Put the system back on inspection and repeat step 22 as needed Then repeat by moving the car above the floor to get a re level down repeating as needed 1 3 23 Turn inspection mode off TEST should still be on from step 22 Place a car call one floor above the second level The car will run up from the second level and slowdown into the third floor Observe how the system responds especially the brake motor and sheave Decide what part of the system needs to be adjusted first and focus on that as you perform final adjustment below You may need to stop and readjust other parts of the system during this procedure Any problems with the brake or door clutch clearances will become apparent here Correct these problem as they come up before continuing with this adjustment BS NOTE to place car calls from the machine room jump from IO 6 Call GND post located on the top right corner of the board to the car call field terminals on the I O 6 board TEST mode requires a constant car call input to run the car Note that TEST also has a software noninterference timer five to fifteen seconds during which the system will not respond to a new call 13 The noninterference timer is located in memory address FF9C and can be modified to
43. ons of phases Next verify that each Power Control step down Transformer has the correct secondary voltage Refer to Controller Schematic Page 1 for terminal and fuse numbers Replace fuses as necessary The local controller power supplies should be verified First Terminals 4A and 4 should measure 110 VDC Terminal 50 should measure 110 VDC or voltage indicated on prints 208 240 VAC should be present between Terminal Strip terminal 1 amp 2 104 120 vac for 120 volt circuits If any of the above power supply voltages are improper check the appropriate fuses Again refer to the Power Control system Schematic Diagram ES NOTE System common is the 3 buss and unless otherwise noted all DC voltage measurements are with respect to Terminal 3 In the upper left portion of the Power Controller System Schematic Diagram can be seen a string of normally closed safety contacts and switches connecting Terminal 4A to Terminal 24 In order for the car to run all of these contacts must be closed applying 110 VDC to Terminal 24 and pulling in the SAF Relay With SAF picked Terminal 4 will also be at a 110 VDC level 26 Assuming Terminal 4 is operating properly at 110 VDC check the operation of the computer system by observing the MPR output indicator on I O board This indicator should be lit signifying that the computer system has control of the car If the MPR LED is not lit go to the section on Microprocessor Troubleshooting Afte
44. owing indicate a problem 1 Floor positions are not as expected Floor heights are measured relative to the bottom limit and should increase If not as expected check your field wires especially DP1 DP2 DPC EGND and door level switches Be sure DP1 and DP2 shields are connected properly 2 Floor positions decrease or are negative Pulse counts are less than 1000P Floor distance should start at O ft or 1000 pulses at the bottom limit and increase from there Reverse DP1 and DP2 field wires if count is negative and then go back to step 17 Repeat steps 20 and 21 once you find the problem 1 3 21 Verify that the terminal slowdown position table is correct Use sub menu 2 3 Terminal Position Table on the SDI system Press the UP button on this menu observing the recorded positions for each terminal Like the floor position table these values should be reasonable and correspond to what you would expect the terminal positions to be If you do find a problem check your field wiring Verify that the slowdowns are set in the correct positions Go back to step 19 and repeat steps 19 20 and 21 once you have found the problem 1 3 22 Now move the car on inspection to the second level Move the TEST switch to the on position This will put the system on independent mode when inspection mode is turned off TEST also disables door opening TEST mode does NOT disable door closing Move the car below the floor onto the leveling input with the inspecti
45. r verifying that the MPR indicator is on check for proper HLS Module relay operation The HLS module is the relay control board in controller In order for the car to leave a landing in response to system demand the following relays must be picked INS DOL U or D depending on desired direction P and SAF H relay will also pick if slowdown for the direction of travel is made up Note that direction SU SD and speed signals HR HIR enter the HLS Module from the computer drivers on the I O board via the connecting ribbon cable pin numbers are indicated on prints pin one is indicated by red conductor in ribbon cable if a high speed run toward a call is required Register a call and check the appropriate up or down arrow SUA SDA LED If neither arrow is on make sure no special function has control of the car INS in INA out and FWI fire warning indicator is off Terminal 443 amp 444 at 24 110V If all the above functions are normal registering a call must establish a direction arrow If there is still no arrow refer to the section on Microprocessor Trouble shooting Some of the above mentioned relay coils are hardware interlocked through the door safety circuit In order for the car to move away from a landing all doors must be closed and locked A locked condition is indicated by DLK indicator on the I O board lit 120 VDC on Terminal 11 while an unlocked condition places 0 VDC on Terminal 11 If the door string indicates an u
46. ram Variables to gain familiarity on how to program SDI Section 3 14 depicts the inspection program variable Try to run by using up dn switch on controller jump door locks if necessary but remove jumper as soon as it is possible to do so Car top insp switch needs to be on Auto for controller up dn switch to work a5 CAUTION At this point the car may try to run away be prepared to stop the car If the car runs away reverse the tachometer polarity by reversing the tachometer leads While attempting to run adjust brake volts to desired value refer to job prints by adjusting brake picking and holding adjusting resistors provided 1 3 6 Pay attention to the car drifting while adjusting brake Run car on inspection with inspection speed set to zero on SDI If drift speed is excessive greater than 1 5 fpm adjust parameter 03 22 Zero Offset of the SCR Drive slightly to zero the car speed Range is 0 to 256 with 128 0 adjustment 1 3 7 Gradually increase inspection speed SDI s program variable 1 12 to observe performance of the SCR Drive a5 CAUTION Remember that for the moment the brake and the application of current to the motor armature are two totally separate operations Shutting off the SCR Drive with the brake lifted may cause the car to drift freely until the counterweight lands If car tries to run away when first commanded to run reverse tach field wires Verify that car now runs stable although it may run b
47. s during the ride You need a dual trace storage oscilloscope on the TAC input to the SDI system to determine this Decrease the initial jerk until you can see a smooth start on the tachometer from the drive D Decrease 1 4 Roll Over Jerk See Section 3 6 in SDI s manual See part C above for hints on how to do this E Decrease 1 5 Deceleration Jerk See Section 3 7 in SDI s manual See part C above for hints on how to do this The adjustment should now be complete Verify and correct proper floor leveling and make sure door zone sensors are adjusted to prevent door pre opening outside 2 from floor level ES NOTE if you change any door zone or floor sensors the hoistway will need to be relearned See paragraph I 3 20 a5 CAUTION IT IS RECOMMENDED TO ELIMINATE DOOR PRE OPENING UNLESS SPECIFICALLY SPECIFIED THE V800 CONTROLLER HAS A JUMPER OPTION FOR JOBS REQUIRING PRE OPENING SEE PRINTS PAGE 3 AREA 5 1 4 8 After ride adjustment above is complete the pattern clamps must be adjusted With TEST mode still on run the car to the bottom floor Then make one complete run of the hoistway up to the top terminal Run back down to the bottom terminal in one run Now use sub menu 2 5 Set Speed Clamps on the SDI system The system will display the proper value for the speed clamp and the potentiometer to adjust Note these values will be different than those set as initial values in step 3 18 LS NOTE if you change any velocity p
48. s normally otherwise the call information is not reaching the computer data storage memory First make sure that the call common terminal 6 for car calls or terminal 50 for hall calls is live with correct voltage with respect to 3 buss Then check the terminals on the controller One easy method of determining whether the problem is internal to the controller or in the external field wiring is to momentarily jumper 3 to the call terminal number in question If the car responds to the call the problem is external If not 1 Check that when call terminal is jumped to terminal 3 the corresponding LED lights up then refer to microprocessor troubleshooting section to check the computer CCD HCDX Car Hall call disconnect function inside computer which comes on to indicate computer not accepting calls 2 Replace the associated input output board Car responds to call button but After verifying that the bulb is not burned out check to see if the call registration lamp will not problem is internal to the controller or in the external wiring This light is most easily observed by noting if associated LED is lit If it won t show call registration check for voltage on call common supply Should the common voltage be correct replace the associated input output driver board III 2 4 Position Indicator Malfunctions The position indicator is strictly under software control Position indicator out of step with Refer to section 8 in
49. t 1 4 1 7 Place a car call to bottom floor to run car into buffer After car strikes buffer and drive sheave slips under cables quickly flip controller inspection switch to inspection to stop car Run car up to bottom floor level and remove all jumpers above 22 BES NOTE The SDI board will open the safety string after detecting the pulse count failure provoked above Reset the SDI after the car stops to restore the safety circuit 11 4 2 EMPTY CAR COUNTERWEIGHT BUFFER TEST II 4 2 1 Place controller test switch to test position II 4 2 2 Call elevator to a floor several floors below top except bottom floor II 4 2 3 Jumper terminal 4A to all up slowdown switches terminals USD1 USD2 and UT6 thru UT14 if used for higher speeds 1 4 2 4 Identify and remove signal DP1 from SDI terminals II 4 2 5 Place controller inspection switch to inspection and run car one or more floors up to a floor level Reconnect DP1 and place controller inspection switch to normal II 4 2 6 Place jumper from controller terminals 17 to 23 This bypasses safety switches Also jumper terminals 28 to 30 to bypass up normal limit II 4 2 7 Place a car call to top floor to run counterweight into buffer After counterweight strikes buffer and drive sheave slips under cables quickly flip controller inspection switch to inspection to stop car Run car down to top floor level and remove all jumpers above BES NOTE The SDI board will open the safety str
50. t boards and drive unit from dust amp foreign materials remove fusing as CAUTION BE CAREFUL NOT TO ALLOW METAL DEBRIS TO FALL ON CIRCUIT BOARDS I 1 1 Complete controller mounting installation and wiring observe controller field terminals location in relation to wiring ducts to determine where to cut holes for field wiring ducts Follow instructions for installation in MENTOR II manual paragraph 2 2 2 with regards to AC DC power amp motor wiring Refer to prints page 1 amp 4 for this purpose I 1 2 Complete Selector installation and wiring refer to instructions supplied with selector package for details Connect DP1 and DPC each to one wire in the first shielded pair Connect DP2 and DPC each to one wire in the second shielded pair See your drive SDI prints for a correct wiring schematic Be sure shields are connected at all intermediate junction terminal strips for continuity from shield at selector to SDI terminal EGND a5 CAUTION The tachometer must track motor rotation accurately without slippage bumping or vibration On geared elevators mounting to the back of motor shaft is recommended On gearless mount so that the tach can be rotated by smooth brake drum surface via a 3 tach wheel with necessary spring tension to prevent any slippage The use of rubber mounts is highly recommended to reduce tach vibration that can result in car vibration Wiring must be done using shielded twisted pair cable use individual metal conduit an
51. t caused the processor to display the error see Table II for an error code listing in Field Re programming manual Not all errors in the system are detected and displayed by the processor but the most frequent errors have been programmed to be recognized Even the fact that the door lock string is open as it sometimes is during normal operation is an error code so this code will be frequently displayed during normal operation The error codes are arranged in priorities so that if more than one problem is present the most important one will be the one that is displayed on LCD display provided multiply error codes are displayed in scrolling fashion The CAR A B switch will select the error codes if any for whichever car is selected but both cars cannot be viewed at the same time So if the switch is set on CAR A and a problem occurs on the other car it will not be displayed In a single car elevator system the CAR A CAR B switch should be left in the CAR A position Same is true for most systems supplied with one computer per car II 3 2 3 T O Board I O E X Board Since the I O board performs the task of buffering between the relatively well protected five volt computer logic environment and the 110 volt electrically noisy outside world most microprocessor system problems occur on the I O boards The input buffer section of the I O accept high level inputs from the HLS board or car signals and convert them to five volts signals for the
52. time Read these instructions all the way through before starting work to familiarize yourself with the procedure 1 2 1 With power off test all terminals for grounds Also test for shorts on terminals 4 4A 6 and 50 to each of the terminals on I O board If any are located remedy the problem before proceeding or I O boards may be damaged 1 2 2 Make sure the supervisory control system supply fuses are removed At this point flip controller INSP and TEST switches to inspection and test position respectively on 1 2 3 Remove fuses F4 F50 F7 and F8 to disable primary controller relay voltage and the door operator ES Note Always check prints to double check fuse designation and correct amperage 1 2 4 Check the line side of the disconnect and check that all three legs are at the correct voltage Now turn on the disconnect and check the voltages at L1 L2 and L3 on controller Check prints for detail on how input power connects to the Isolation Transformer DC Drive Drive Field module and Controller 1 2 5 Turn power off and replace fuse F4 and fuses feeding SDI and computer power supply 1 2 6 Familiarize yourself with the Elevator Controls SDI user s manual The SDI computer system generates the speed pattern that is fed to the SCR drive for speed control The SDI computer receives commands form the elevator computer board along with relay contacts inputs to terminals UP DN and enable on terminal EX as well as the inspe
53. uding proper door lock bypassing 1 4 1 Put car on inspection at bottom landing Put 2 3rds of contract load in the car Now start adding weights in 50 or 100 pound increments and moving car on inspection each time UP and DN Adjust brake tension to stop and hold 125 of contract load by tripping any stop switch except car stop switch open while running down on inspection Hold the DOWN button in while you trip open the stop switch preferably on the inspection station The car should stop on the brake With the car loaded with 125 of contract load set the inspection speed in the SDI Leveling speed approximately 4 FPM and verify that the car will move up and down with the load at approximately the same speed If the car does not move down increase parameters 3 09 and 3 10 Speed loop gain on the SCR Drive Return the inspection speed to the desired value Change from inspection operation to TEST mode with car at floor level Run the car with one and multiple floor runs as you make adjustments below to mold speed curve You will need to make sufficient runs to be sure that the system responds how you want Take your time here adjustment procedures are not inherently quick BS NOTE a dual trace storage oscilloscope can be a great help here Observing the pattern output and the tach from the drive can save a lot of time and hassle Connect one probe to terminals 3 and 20 on the TB connector on the SCR Drive this is the pattern sign
54. ures Throughout this manual it is assumed that the field personnel is well qualified in the installation of elevator equipment No attempt has been made to define terms or procedures that should be well known to a qualified elevator mechanic NOTE It is also assumed that the elevator counterweight balance has been properly checked and corrected as necessary Speed governor device is installed and calibrated Safety Clamp is properly tested and all switches for slowdown stop and over travel limits at both terminal landings are checked for proper type placement and operation fs CAUTION The installation must be in compliance with all Local and applicable Elevator and Electrical Codes and regulations This manual is intended only to acquaint the service technician with the information required to successfully install the microprocessor based elevator controller The field personnel must be familiar with all codes and regulations pertaining to the safe installation and running of elevators Installation and wiring must be in accordance with the national electrical code and consistent with all local codes and elevator codes and regulations The 3 phase AC power supply to this equipment must come from a properly fused disconnect or circuit breaker Improper protection may create a hazardous condition Wiring to controller terminals must be done in a careful neat manner Stranded wire conductors must be twisted together to avoid strands fro
55. you troubleshoot at a glance You are strongly advised to pay particular attention to the indicators on the I O board every action the computer wants to take is indicated DOF for example means door open function the computer wants to open doors and every action the outside controller wants the computer to perform is also indicated DOB for example means the door open button is active Note that a bar on top of signal name indicates that signal is in the active mode when the LED is off FRS and FRA are a good example when off they indicate car is on Main or alternate fire mode The computer error code LED display will flash a particular status error code as detected by computer a list of these codes is pasted on the controller door if not procure a copy from the Field reprogramming manual The computer error status codes are also displayed in English format on the LCD display if provided Finally if available an IBM PC compatible may optionally be used for powerful trouble shooting diagnostics monitoring purposes If a particular car is not running first make sure that it is not on Fire Emergency Service Normal operation of the Fire Emergency circuitry is to have 24 110V on Terminal 443 with respect to Terminal 3 If the elevator is not operating under Fire Emergency Service all power supplies should then be checked The natural starting point is the three phase input There must be 208 480 VAC as specified present between all combinati
Download Pdf Manuals
Related Search