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V800_DSD412_PVF - Elevator Controls

1. 4 1 5 Deceleration Jerk controls rounding controls rounding 1 7 Acceleration i lt 1 8 Deceleration 1 3 Initial Jerk controls soft start 1 9 Leveling distance controls approach 41 10 Re level 4 speed In case of over under shoot Ta 1 6 Pattern Delav 1 1 Cantract Speed _ _1 10 Leveling speed in hundredths of a second if for slow picking brakes U l l 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 above 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 encoder mounting and wiring if correct reduce Bandwith Function 40 and or Stiffness Function 42 refer to pages 68 amp 69 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 1 4 3 Now while making a long floor run verify that cars run at contract speed when 10volts is applied to SCR Drive TB connector terminals 63 to 68 If not Adjust Function 82 Reference Multiplier on the drive to get contract speed as measured on the governor rope Verify proper armature voltage at top speed up and down If armature voltage exceeds nameplate verify proper running motor field volts If necessary a
2. Blows fused F8 and or F7 and or Resistor Test For 1 Damage to relays O C or CX 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 correct DO and DC i eee are operating close DO for Te Problem gt o Sowtin o O Doors operate one direction only Only Check DOF DCF indicator 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 29Page III 2 2 Drive problems III 2 2 1 Error Fault Handling Section 4 5 of drive manual covers drive errors and or faults The faults can be viewed thru function 0 and errors thru function 800 Note
3. ELEVATOR CONTROLS CORPORATION 3525 La Grande Blvd Sacramento CA 95823 916 428 1708 FAX 916 428 1728 e mail elevatorcontrolscorp com 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 MAGNETEC DC SCR DSD 412 Digital Drive CS00407 1995 Elevator Controls Corporation Rev 12 2004 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 Magscrpvf_407 doc TABLE OF CONTENTS Introduction Section I Instructions for Installing and Adjusting Elevator Section II 2 Page 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 25 Page 25 Page 27 Page 27 Page 28 Page 29 Page 30 Page 30 Page 30 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 PS WARNING Denotes operating procedures and practices that mav result in personal injurv and or equipment damage if not correctiv followed a5 CAUTION Denotes operating procedures and practices that may result in equipment damage if not correctly follo
4. 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 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 unlocked 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 light up check that call registered LED indicated call latched if you cannot get calls to latch in refer to the section on Microprocessor Troubleshooting 28Page II 2 Malfunctions in an Operating System IIL2 1 Doors Operating Improperly or Not at All
5. a 2 second value to allow faster response to car calls while the car is operating under test mode Please be sure to set 14Page to timer to pre modified value before car is turned off from test mode of operation Please refer to Field Reprogramming manual for instructions in how to use Direct Access mode of 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 1 3 24 System Inertia Function 41 should be determined to insure smooth operation refer to page 66 of Drive Manual Save value to non volatile ram area of drive using function 994 15Page I 4 Final Adjustment Read thoroughly before continuing Verify leveling switches on cartop to give proper dead
6. clamps used 11 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 20 fpm each 11 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 I1 4 5 2 1 Call elevator to a floor several floors below top except bottom floor 11 4 5 2 2 Identify and remove signal DP1 from SDI terminals 11 4 5 2 3 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 I1 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 6 2 and 3 above Repeat procedure in similar manner for bottom terminal f
7. floor level Be sure DZ relay is picked Reconnect DPI amp DP2 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 limit II 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 and reconnect RD if used 23Page ES NOTE The SDI board will open the safety string after detecting the pulse count failure p y provoked above Reset the SDI after the car stops to restore the safety circuit II 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 I1 4 2 3 Jumper terminal 4A to all up slowdown switches terminals USD1 USD2 and UT6 thru UT14 if used for higher speeds I1 4 2 4 Identify and remove signals DPI amp DP2 from SDI terminals Remove field wire from terminal RD if Absolute Floor Encoding is used 11 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 11 4 2 6 Place jumper from controller terminals 17 to 23 This bypasses safety switches Also jumpe
8. less than your Acceleration value This improves passenger comfort and also makes final approach into the floor more accurate D Decrease 1 9 Leveling Distance See Section 3 11 in SDI s manual HINT 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 You ll have to make larger changes of this value at least six to ten pulses to see any change in performance HINT 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 18Page Passenger Comfort A Increase 1 6 Pattern Delay See Section 3 8 in SDI s manual B NOTE This is only useful if the car is pulling through the brake when the pattern starts Increasing pattern delav will wait for a given amount of time allowing the break to pick B Decrease 1 10 Leveling Speed See Section 3 12 in SDI s manual HINT Leveling speed is set high at the factorv so a car won t stall coming into a floor Xou will need to decrease leveling speed to about 4 FPM to eliminate the bump when stopping in most svstems C Decrease 1 3 Initial Jerk See Section 3 5 in SDI s manual HINT Excessivelv high jerk values can cause passenger discomfort HINT Some motor svstems can not follow high jer
9. of the following 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 0 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
10. 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 68 and 63 on the TB connector on the SCR Drive this is the pattern signal 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 pin 45 and 80 on the TB connector this is the tachometer feedback signal 10 volts is contract speed in the UP direction 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 BS 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 16Page SPEED CURVE PARAMETERS 1 4 Roll over Jerk gt
11. 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 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 22Page IL2 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 120 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 time
12. the 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 hoistwav 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 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 13Page has been provided on the DAB board and needs to be jumped together to performing 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
13. 6 Page 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 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 supervis
14. CDFU 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 34Page 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 too high an output will cause the unit to trip out If this happens lower adjustment back then cycle power off TII 3 2 2 Microprocessor Board 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
15. FFNESS 1 0 49 WEAK FIELD AMPS AMP 40 0 we 50 FULL FIELD AMPS AMP 1 90 uly 51 MOTOR FIELD L R SEC 0 54 52 RATED FIELD VOLTS VDC 240 i 53 STANDBY FIELD AMPS 25 Ss 54 FIELD RESPONSE RAD 5 0 55 FIELD CONTROL AC VOLTS VAC 0 PARAM 9 TE 63 U D BIT PICK UP 0 10 64 LOW SPEED THESHOLD 2 0 10 0 80 OVER SPEED TEST LOGIC 0 OFF 81 OVER SPEED MULT 1 82 REFERENCE MULT 1 000 83 MOTOR OVERLD TIME SEC 48 0 84 MOTOR OVERLD LEVEL PU 1 15 85 I DECAY RAMP SEC 0 20 86 ANALOG SPD REF ZERO PU 0 0000 87 PRETORQUE MULT 1 00 88 DSPR DELAY TIME MIN O DISABLED 89 BRAKE PICK TIMER SEC 1 0 90 BRAKE DROP TIMER SEC 1 5 9 Page 91 MUST STOP TIMER SEC 2 0 92 BRAKE AUTO STOP ON LOGIC 0 OFF 93 ANALOG OUTPUT 0 BIAS 0 0 94 ANALOG OUTPUT 1 BIAS 0 0 95 TB1 45 OUTPUT 0 NUM 1 3 ENC SPEED DO NOT CHANGE 96 TB1 46 OUTPUT 1 NUM 3 2 CMD SPEED FOR TESTING 97 ANALOG OUT 0 MULT PU 0 80 1 00 98 ANALOG OUT 1 MULT PU 0 80 99 SPD ERROR TRIP TIME SEC 5 00 100 SPEED TRIP THRESHOLD 100 0 101 AUTO FAULT RESET ON LOGIC 0 OFF 1 ON 102 3S LOOP FLT LOGIC 0 OFF 1 ON 104 SERIAL GAIN SWITCH LOGIC 0 OFF 105 GAIN SWITCH SPEED PU 1 10 107 TACH RATE GAIN 0 0 110 REFERENCE MODE SELECT NUM 1 ae 1 SDI 2 RELAY 111 ARCH TRAV DISABLE LOGIC 1 ON 114 PRE TORQUE ENABLE LO
16. GIC 0 OFF 115 RN UP RN DN ENABLE LOGIC 0 OFF 116 DECEL RATE LATCH LOGIC 0 OFF 120 SPEED ERR DETECT TIME SEC 0 5 121 SPEED ERROR THESHOLD 2 0 130 ARB MODE NUM 0 OFF 131 ARB BANDWIDTH RAD 6 0 132 ARB DAMPING 2 00 133 ARB SPEED THESHOLD amp 0 0 150 BINARY SELECT ON LOGIC 1 ON 1 151 PRESET SPEED 1 LEVEL 0 0 ae 152 PRESET SPEED 2 APPROACH 0 0 aaa 153 PRESET SPEED 3 0 0 154 PRESET SPEED 4 INSPECT 0 0 K 155 PRESET SPEED 5 0 0 156 PRESET SPEED 6 RATED SPD 0 0 ae 157 PRESET SPEED 7 0 0 170 ACCEL 1 TIME SEC 5 00 i 171 ACCEL 2 TIME SEC 5 00 172 DECEL 1 TIME SEC 5 00 E 173 DECEL 2 TIME SEC 5 00 oe 174 ACCEL 1 S 25 0 175 ACCEL 2 9 S 25 0 176 DECEL 1 S 25 0 177 DECEL 2 S 25 0 178 ACCEL 3 TIME SEC 5 00 179 DECEL 3 TIME SEC 5 00 180 ACCEL 3 S 25 0 181 DECEL 3 S 25 0 182 INVERT ALARM RELAY LOGIC 0 OFF 183 K3 LGC OUT SELCT NUM 1 3 DRIVE ON DO NOT CHANGE 184 K4 LGC OUT SELCT NUM 1 185 K5 LGC OUT SELCT NUM 1 186 K6 LGC OUT SELCT NUM 1 4 AT SPEED DO NOT CHANGE 187 K6 LGC OUT SELCT NUM 1 190 NOTCH DEPTH 0 191 NOTCH PERIOD 7 994 SAVE FUNCTION LOGIC 0 DISABLED 995 LOAD DEFAULTS LOGIC 0 DISABLED 10Page 997 SELF TUNE LOGIG 0 DISABLED 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 and t
17. able to elevator service mechanics 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 the 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 th
18. age Section I INSTRUCTIONS FOR INSTALLING AND ADJUSTING ELEVATOR I 1 Protect printed circuit 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 the drive manual Section 2 Installation with regards to AC DC power amp motor wiring Refer to Elevator Controls 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 je CAUTION The feedback encoder must track motor rotation accuratelv without slippage bumping or vibration Mount the encoder directly to the shaft of the motor Normally a stub shaft is mounted in the end of the motor The stub shaft must be absolutely concentric with the motor shaft and have no angular misalignment The encoder is mounted on the stub shaft with a retainer to prevent the housing from turning Wiring must be done using 3 shielded twisted pair cable use individual metal conduit and ground shield at drive end only to TB 1 terminal 6 ES NOTE Check job prints for any requirements for mounting of speed monitoring tachometer 1 1 3 Refer to any Supplemental Adjusting instructions
19. 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 that 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 which
20. board s AS input at 5 of contract speed parameter 3 23 While making one floor runs slowly turn the TACH LOSS trimpot 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 J2 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 II 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 levelin
21. bol is used to indicate an AND 32Page 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 33Page 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 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 USDI 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 C
22. car tries to run away when first commanded to run reverse encoder field wires encoder A and A Verify that car now runs stable although it may run backwards The polarity of the encoder input to the drive must be established 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 A and A wires from the encoder Car should now run in proper direction with correct encoder polarity established Slightly vary the inspection speed on SDI to check drive response 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 Verify Motor Field Ohms and Rating from values on the print Vs actual Motor Name Plate and verify with actual measurements of Field Voltage Refer to page 65 of the drive manual for proper set up of the Field Regulator The parameters that control the field are as follows Function 49 Motor Field Weakening Amps Rated speed field voltage Field Resistance Function 50 Rated Field Current Leveling speed Full field voltage Field Resistance Function 52 Rated motor field voltage Function 53 Motor field amps Standing of Rated Field Current Function 50 BS NOTE Function values for 50 52 and 53 were calculated based on information provided to Elevator Controls Corporation on data sheets if actual data di
23. 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 37Page 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 disturbed 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 become
24. ction inside computer which comes on to indicate computer not accepting calls 2 Replace the associated input output board Car responds to call button but call registration lamp will not light After verifying that the bulb is not burned out check to see if the problem is internal to the controller or in the external wiring This 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 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 31Page 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 avail
25. djust Weak Field Amps Function 49 on SCR Drive Refer to paragraph 1 3 6 above to cause motor field to weaken further thus preventing armature voltage from increasing significantly 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 I 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 1 4 5 Current limit setting Function 1 of the SCR Drive needs to be checked Put full load in car and using a clip on type DC ammeter with fast response such as the tong test device by Columbia Electric Mfg Co Cleveland Ohio Turn up the acceleration parameter on SDI until current limit is seen to limit full load up accelerating current of 250 of full load nameplate The current limit LED must not blink on when running empty car up or down Return acceleration to desired level Now adjust Bandwidth Function 40 and Stiffness Function 42 so that the car is responsive without being unstable or oscillating as CAUTION Higher numbers higher gain may cause oscillation lower numbers cause sluggish response 17Page 1 4 6 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 Ad
26. e 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 svnthesized format Boolean logic flow equations Thev are verv simple to read and understand if the following guidelines are understood a The logic equations below use signal abbreviations names as listed in the Field Re programming manual thev are used on the job prints for the input output signals These abbreviations are easilv 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 sym
27. emove jumper when adjustment is complete II 1 1 A Set Up utilizing Pulse Input ES NOTE Skip to II 1 1 B if Tachometer 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 21Page II 1 3 TACH LOSS potentiometer setting The SCR Drive is set to activate the output tied to the LSSM
28. ever 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 IIL3 2 3 I O Board VO 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 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 35Page 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 performi
29. ffers from data on job prints page 4 please call Elevator Controls Corporation technical support group with correct data so that new values are calculated for Motor Filed constants 1 3 7 Gradually increase inspection speed SDI s program variable 1 12 to observe performance of the SCR Drive 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 Flip inspection up dn SW down to pull in D relay on controller Verify motor field forcing voltage on TB4 terminals is as specified in the motor data 1 3 10 Set inspection speed to 10 of contract speed Approximately 1Vdc on term 88 with respect to 83 on DC DRIVE TBI connectors Now inspect up 1V should appear on term 88 Adjust the Function 82 on the DC DRIVE to give 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 menu 3 1 Tracking Performance The tach display needs to agree with car s speed Adjust tach gain SDI section 3 16 menu 1 14 Tach Gain if display is incorrect or menu 1 13 Tach Polarity if polarity is incorrect Now adjust Inspection speed on SDI to the desired inspection speed 20 to 50 fpm BS NOTE If you re 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 in SDI Tracking Perf
30. 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 DPI 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 4S NOTE You cannot set the re level speed yet the PVF system will not run when off inspection yet 1 3 16 Test the DPI 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
31. g 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 7 Page BES Note that 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 DPI 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 PEN 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 i
32. g and inspection Overspeed circuit is working Leave the board in the tripped state With the car stopped remove the jumper from J1 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
33. ge 1 3 1 Familiarize yourself with Magnetek DSD 412 CS00407 Technical Manual BS NOTE a Adjustment Function Descriptions pages 48 to 64 of the Drive Manual is a detailed list and description of all the parameters the table following lists all the parameters indicates the parameters used for this specific application b Page 40 details the use of function 994 to save any changed value Any changes or adjustments will be returned to previous values if power is turned OFF or the drive is reset unless saved by setting function 994 with the NVRAM switch in the proper position DSD 412 SET UP PARAMETERS FUNCTION DESCRIPTION UNIT DEFAULT FACTORY FINAL SETTING SETTING 1 CURRENT LIMIT 250 2 USE SELF TUNE VALUES LOGIC O OFF 3 RATED ARM AMPS AMP 50 kul 4 ARMATURE OHMS OHMS 0 100 6 ARM INDUCTANCE HNV 0 0100 7 RATED ARM VOLTS VDC 240 8 I REG CROSSOVER RAD 500 9 AC VOLTAGE INPUT VAC 230 ke 10 ENCODER P R PPR 1024 kl 11 MOTOR SPEED RPM 1150 0 kk 12 MOTOR OVERSPEED 110 0 14 ARM VOLT SENSING 25 0 15 TACH SENSING 5 0 16 ENCDR MTR RATIO 1 000 ne 17 RATED CAR SPEED FT MIN 400 0 Ss 21 EXT ACCEL LIMIT n SEC2 4 20 22 ERROR LIST RESET LOGIC O OFF 32 FULL FIELD DETECT 80 39 HI SPEED BANDWIDTH RAD 6 0 40 LO SPEED BANDWICTH RAD 6 0 41 PER UNIT INERTIA SEC 2 00 42 STI
34. hat Motor and Brake information shown on page 4 of prints Field Data table was generated based on information provided to E C C and must be verified against Motor and Brake actual data tags or field measured values 1 3 3 1 Verify motor field current S1 switch settings inside drive refer to page 4 area DI of job prints correspond to current on motor field name plate current and make sure Motor Field is connected to correct Terminals on TB4 drive terminal strip 1 3 3 2 Verify motor job parameters inside drive unit as shown on page 4 area D2 of job prints 1 3 3 3 Remove Brake field wires from terminals B1 and B2 1 3 3 4 Perform a drive SELF TUNE operation function 997 refer to page 42 Please note that the motor contactor will energize and current will flow to the motor armature but the car will not be allowed to move BS NOTE It is necessary to tune the SCR Drive to the motor 1 3 3 5 Connect Brake field wires to terminals B1 and B2 1 3 4 Now check the 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 contact
35. isplay 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 combinations 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 safe
36. justing the speed pattern can be more of an art than a science You have two goals ride comfort 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 HINT 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 HINT 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 HINT your Deceleration value will probably have to be 25 to 50 FPM s
37. k values The resulting overshoot can cause bumps during the ride Xou need a dual trace storage oscilloscope on the TAC input to the SDI svstem 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 1 4 7 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 as CAUTION IT IS RECOMMENDED TO ELIMINATE ANY PRE OPENING AT ALL UNLESS SPECIFICALLY SPECIFIED THE V800 CONTROLLER HAS A JUMPER OPTION FOR JOBS REQUIRING PRE OPENING SEE PRINTS 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 This time you will use the displayed value for TI through T14 Press the UP button on the SDI system and repeat for the
38. ll 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 Set Function 80 to 0 OFF 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 24Page BES NOTE The SDI board and or drive unit may open up the safety string after detecting the failure y open up 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 1 4 5 1 SPEED LIMITING DEVICE TEST I1 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 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
39. loor ES NOTE The SDI board will open the safety string after detecting the pulse count failure p y provoked above Please reset the SDI after the car stops to restore the safety circuit II 4 5 3 EMERGENCY TERMINAL STOPPING TEST WHERE REQUIRED 25Page BS NOTE This procedure assumes that the Low Speed Safety Monitor board LSSM board has been adjusted section II 1 6 amp II 1 7 above completed I1 4 5 3 1 Locate wire connected to Low Speed Safety Monitor board LSSM board terminal SLD and be prepared to disconnect this wire as indicated below Switch controller Test switch on to test II 5 3 2 For the UP direction while making a multi floor run up on test remove wire from terminal SLD feeding LSSM board as the car reaches speed The LSSM board should trip off and open up safety circuit removing power to the motor and brake to stop the car 11 5 3 3 Reconnect wire to terminal SLD above and reset LSSM board to put car back to normal test operation 11 5 3 4 Repeat step II 5 3 2 and 3 above for Down direction and return controller test switch to normal operation to place car back in automatic operation as needed as CAUTION After completing safety tests be sure to remove all jumpers above ES NOTE Reconnect field wire to terminal RD if Absolute Floor Encoding is used 26Page Section III TROUBLESHOOTING GUIDE III 1 System Not Functional In General car won t run The solid state portion of the Elevator Control
40. next clamp Repeat until all of the clamps are adjusted BS NOTE if you change any velocity pattern variable the clamps 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 19Page 1 4 9 Verify all connectors in the system are correctly seated if you haven t done so before Ribbon and plugable field wire connector can wiggle loose when the system is being worked on Press firmly on all connectors to seat them 20Page 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 r
41. ng 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 and 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 compu
42. onductors must be twisted together to avoid strands from 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 as CAUTION Please restrict access to elevator control equipment and apparatus to qualified personnel only 3 Page 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 ELEVATOR l SMART DRIVE SPEED INTERFACE REGULATION PROCESSOR DRIVE r r OF RELAY amp INTERFACE LOGIC POSITION TRANSDUCER ELEVATOR CAR 1 The 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 quadrat
43. ormance display Menu 3 1 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 clamps trimpots are set fully counter clockwise 12Page 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 for
44. ory 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 contact inputs to terminals UP DN and enable on terminal ENA as well as the inspection 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 replacin
45. r 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 and reconnect RD if used BS NOTE The SDI board will open the safety string 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 overspeed 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 1 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 I1 4 4 3 Place jumper from controller terminals 17 to 23 This bypasses safety switches II 4 4 4 Function 80 Overspeed Test and Function 81 Overspeed Mult refer to page 27 in SCR Manual can be used to overspeed the elevator Return car to top floor and remove car from inspection I1 4 4 5 Place a car ca
46. s 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 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 d
47. s 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 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 P 700 FPM U D T2 R54 P 100 FPM U D T10 R61 P 800 FPM U D TS R53 P 250 FPM U D T12 R50 P 1000 FPM U D T6 R58 P 400 FPM U D T14 R57 P 1200 FPM U D T7 R59 P 600FPM jU 8 Pa
48. s for proper operation and in conformance with handicapped and applicable codes IL4 GUIDE FOR PERFORMING ELEVATOR SAFETY TESTS AND INSPECTION BS 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 a5 CAUTION Safety tests should be accomplished by a qualified adjuster or serviceman A helper should always be present and prepared to turn off main line disconnect to remove power from elevator when needed that car is run with safety switches bypassed Proceed with caution BS NOTE For the following safety tests II 4 1thru II 4 5 remove filed wire from terminal RD when Absolute Floor Encoding is used Reconnect the wire to terminal RD when safety tests are completed 1 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 I1 4 1 3 Jumper terminal 4A to all down slowdown switches terminals DSD1 DSD2 and DT6 thru DT 14 if used for higher speeds refer to job prints for actual number of switches used I1 4 1 4 Identify and remove signal DP amp DP2 from SDI terminals Remove field wire from terminal RD if Absolute Floor Encoding is used II 4 1 5 Place controller inspection switch to inspection and run car one or more floors down to a
49. s in the safety and leveling circuits Verify jumpers JI 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 Program 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 function 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 encoder polarity by reversing the encoder leads A and A 11Page as 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
50. s inoperative refer to the Troubleshooting guide 38Page Section VI REPLACEMENT PARTS LIST VLI 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 VL3 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 250 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 39Page
51. ter 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 While 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 36Page 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
52. that faults are erased at power up or reset errors are retained until manually erased III 2 2 2 The following critical drive values can be displayed on the SCR Drive digital readout FUNCTION DESCRIPTION UNITS 600 CAR SPEED FPM 601 MOTOR RPM RPM 602 SPEED REFERENCE FPM 603 PRE TORQUE INPUT 609 COUNTER EMF VOLTS 610 MOTOR ARMATURE VOLTS VOLTS 611 MOTOR ARMATURE CURRENT AMPS 612 MOTOR FIELD CURRENT AMPS 616 SPEED ERROR FPM 617 LINE FREQUENCY HZ 618 SCR TEMPERATURE DEG C 619 AC LINE VOLTAGE VOLTS 30Page IIL 2 3 Call Button Problems Car will not respond to a specific call If the system does not register a call or a group of calls but the car functions 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 fun
53. the inspection 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 BES 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 The noninterference timer is located in memory address FF9C and can modified to
54. ty 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 27Page 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 After 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
55. ure pulses from the position transducer The SDI keeps track of the 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 The speed regulator or drive system Magnetek DSD 412 SCR drive please refer to Magnetek DSD 412 Standard Elevator Drive Technical 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 DSD 412 drive manuals captioned above 4 Page 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 5 P
56. wed ES NOTE Denotes useful and informative procedures 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 BS 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 c
57. 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 including 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 Function 42 Stiffness refer to Page 48 Adjustment Functions Descriptions on the Magnetek SCR Drive Manual 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 BES NOTE a dual trace

V800_DSD412_PVF - Elevator Controls

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