Page 2 - Table of Contents
Table of Contents Table of Contents i MN770 Section 1General Information 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Introduction 1-1 . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 4 - Introduction; Drive Definition
Section 1General Information General Information 1-1 MN770 Introduction Baldor Electric manufactures several different Drive types for the elevator industry.These drives are DC SCR (Thyristor), AC Inverter (VVVF) and AC Vector. Each drivetype is best suited for a specific application in the elevator...
Page 5 - -2 General Information; Limited Warranty
Section 1General Information 1-2 General Information MN770 Limited Warranty For a period of two (2) years from the date of original purchase, BALDOR willrepair or replace without charge controls which our examination proves tobe defective in material or workmanship. This warranty is valid if the uni...
Page 6 - General Information 1-3; Safety Notice; PRECAUTIONS; Continued on Next Page
General Information 1-3 MN770 Safety Notice This equipment contains voltages that may be as great as 1000 volts! Electrical shockcan cause serious or fatal injury. Only qualified personnel should attempt the start-upprocedure or troubleshoot this equipment. This equipment may be connected to other m...
Page 7 - -4 General Information
Section 1General Information 1-4 General Information MN770 Caution: To prevent equipment damage, be certain that the electrical serviceis not capable of delivering more than the maximum line shortcircuit current amperes listed in the appropriate control manual, 230VAC or 460 VAC maximum per control ...
Page 8 - Feature
Section 2Technologies Technologies 2-1 MN770 Overview Baldor Electric manufactures six drive types for the elevator industry. Each drive type(Control and Motor) is best suited for a specific application. These Series “H” Controls are: S 15H Inverter S 17H Vector (Encoderless) S 18H Vector S 19H DC S...
Page 9 - DC SCR Control; DC SCR (not used in elevator applications)
2-2 Technologies MN770 DC SCR Control NEMA Type C designation of electrical power source equipment for adjustable speed drives. Series 19H DC SCR (not used in elevator applications) Series 20H DC SCR (Line Regenerative) DC SCR controls are used in elevator applications where speeds range from 50 to ...
Page 10 - Inverter
Technologies 2-3 MN770 Inverter Series 15H Inverter Series 21H Inverter (Line Regenerative) IEEE-519 Compliant Typically Inverters are used in elevator applications where speeds up to 150 FPM arerequired. The Baldor inverter converts the three phase AC line power to fixed DC power. The DCpower is th...
Page 11 - Vector; Encoderless Vector
2-4 Technologies MN770 Vector Series 17H Encoderless Vector Series 18H Vector Series 22H Vector (Line Regenerative) Vector drives are used in elevator applications where speeds range from 50 to over 700FPM. Baldor is a pioneer in Flux Vector Technology and we continue to be the leader innew product ...
Page 12 - Application Considerations 3-1; General Considerations
Section 3Application Considerations Application Considerations 3-1 MN770 General Considerations A good understanding of elevator applications and requirements is essential for properselection of drive components. Several classifications or categories can be identified tomake selection easier. These ...
Page 13 - -2 Application Considerations; Electric Drives; Worm gear driven at a speed of 50 to 450 FPM.
Section 1General Information 3-2 Application Considerations MN770 Electric Drives Electric drives overlap both of these technologies at their upper limits of speed andextend to elevator speeds of more than 700 feet per minute. Cable traction elevators are suspended by cable which is wrapped around a...
Page 14 - Operating Mode
Section 1General Information Application Considerations 3-3 MN770 Common Control Features S Wide Input Voltage Range 180 - 264 VAC 60 Hz 180 - 230 VAC 50 Hz 340 - 528 VAC 60 Hz 340 - 460 VAC 50 Hz S Keypad operation - A common keypad is used for all Baldor Series H Controls.The keypad is used to pro...
Page 15 - Elevator Motor Horsepower Selection; US Measurement System; Metric Measurement System
Section 1General Information 3-4 Application Considerations MN770 Elevator Motor Horsepower Selection Selection of a motor and control for an elevator application is dependent upon severalvariables. The primary variable is the overall mechanical efficiency of the elevator. Theefficiency of gear driv...
Page 16 - Application Considerations 3-5; Table 3-2 Motor Sizing; Assumed Mechanical Efficiency; Motor HP
Section 1General Information Application Considerations 3-5 MN770 Table 3-2 can be used to determine the size control and motor to use for your application.Find the “Car Speed” column in the first row of the table. Follow that column down to findthe “Car Capacity” row. Follow that row to the left an...
Page 17 - Dynamic Brake Hardware Selection
Section 1General Information 3-6 Application Considerations MN770 Dynamic Brake Hardware Selection 15H and 18H Drives Baldor Series 15H Inverters and Series 17H and 18H Vector Drives require optionaldynamic brake hardware to dissipate regenerative power from the motor. The conditionscausing regenera...
Page 18 - Hardware Information 4-1; Cable Preparation; Strip the outside jacket approximately 0.375
Section 4Hardware Information Hardware Information 4-1 MN770 General Considerations All Baldor Series H drives are designed for ease of use. The keypad interface providesthe same interface for each Series H control. In other words, if you are familiar withparameter set-up for one Series H drive type...
Page 19 - -2 Hardware Information; Figure 3-1 Encoder Cables; Figure 3-2 Encoder Connections; See Control manual for proper terminal tightening torque.
4-2 Hardware Information MN770 Figure 3-1 Encoder Cables Mylar Sleeve Figure 3-2 Encoder Connections See Control manual for proper terminal tightening torque.
Page 20 - Hardware Information 4-3; Encoder Cable Connection; angle only. Encoder wires; Encoder End
Section 1General Information Hardware Information 4-3 MN770 Encoder Cable Connection Encoder cable must be separated by at least 3” from parallel runs of power wires.Encoder cables that cross power wires must cross at a 90 ° angle only. Encoder wires must be #22 AWG (0.34mm 2 ) minimum, 200 feet max...
Page 21 - -4 Hardware Information; Buffered Encoder Output
4-4 Hardware Information MN770 Buffered Encoder Output The DC SCR and Vector controls provides a buffered encoder output on pins J1-31 toJ1-38 as shown in Figure 3-3. This output may be used by external hardware to monitorthe encoder signals. It is recommended that this output only drive one output ...
Page 22 - DC SCR Controls; Field Control
Section 5Set-Up Information Set-Up Information 5-1 MN770 DC SCR Controls DC motors use voltage to obtain their speed and current to develop their output torque. A DC SCR control must be able to supply the required voltage and current to operate themotor under all conditions of load and speed. Note: ...
Page 23 - Final Installation
Section 1General Information 5-2 Set-Up Information MN770 Final Installation After the control has been mounted and wired, the final settings can be made. 1. The CALC PRESETS, CMD OFFSET TRIM (if using any analog mode), andCUR LOOP COMP auto tune tests should be performed. Close the armaturecontacto...
Page 24 - Final Adjustments
Section 1General Information Set-Up Information 5-3 MN770 Final Adjustments Roughness and instability of motor operation are often the result of a loosely mountedfeedback device. Incorrect adjustment of the Level 1 DC Control, ARM PROP GAINparameter and/or the SPEED PROP GAIN can also cause speed in...
Page 25 - Brake Set Time
Section 1General Information 5-4 Set-Up Information MN770 Recommended Power Up/Down Sequence for Elevators Using DC SCR Controls The following is a recommended sequence for turning on and off the elevator drive andexternal OEM control. Figure 5-4 shows this sequence. Figure 5-4 Typical Power Up/Down...
Page 26 - Inverter Controls; Initial Installation and Startup
Section 1General Information Set-Up Information 5-5 MN770 Inverter Controls AC induction motors may have their speed adjusted by using an AC Inverter (VVVF) tochange the voltage and frequency supplied to the motor. The motor speed will berelatively proportional to the frequency supplied. An AC Inver...
Page 27 - Close the drive ENABLE.
Section 1General Information 5-6 Set-Up Information MN770 Recommended Power Up/Down Sequence for Elevators Using Inverter Controls The following is a recommended sequence for turning on and off the elevator drive andexternal OEM controller. Figure 5-5 shows this sequence. 1. Close the M-Contactor. 2...
Page 28 - RUN TIME
Section 1General Information Set-Up Information 5-7 MN770 Recommended Power Up/Down Sequence for Elevators Using Inverter Controls The following is a recommended sequence for turning on and off the elevator drive andexternal OEM control. Figure 5-5 shows this sequence. Figure 5-5 Power Up/Down Seque...
Page 29 - Vector Controls; Equipment Required; The following equipment is required for this upgrade.; New Installations; Disconnect all elevator power.; (Do not connect the motor leads to; Figure 5-1 Initial Vector Control Connection
Section 1General Information 5-8 Set-Up Information MN770 Vector Controls If this is a modernization, do not disconnect the old control from the motor. It is needed tooperate the motor for some preliminary measurements before it is disconnected. SeeModernization. Equipment Required The following equ...
Page 30 - A balanced elevator car is required for this test.; Full Load Test
Section 1General Information Set-Up Information 5-9 MN770 Modernization Continued 3. Apply power to the existing elevator control wiring and the Vector Control. 4. Refer to Table 5-2 “Pre-Installation Tests”. Perform all tests with the elevatorconnected in this temporary configuration. It is importa...
Page 31 - Final Wiring Connections; Disconnect all electrical power to all controls.; Series 18H Control Considerations:
Section 1General Information 5-10 Set-Up Information MN770 Final Wiring Connections 1. Disconnect all electrical power to all controls. 2. Disconnect the temporary wiring that was used for the Pre-Installation tests fromthe Vector control. 3. Connect the Vector control to the AC line, motor and enco...
Page 33 - Slip Adjustment Value
Section 1General Information 5-12 Set-Up Information MN770 Initial Set-up Continued j. Set Level 1 VECTOR CONTROL Block, SLIP FREQUENCY as desired. This value can be calculated from the values recorded previously in Table5-2. Record these calculated values in Table 5-3. Calculate the Slip RPM of the...
Page 35 - AC Line Voltage
Section 1General Information 5-14 Set-Up Information MN770 Table 5-2 Pre-Installation Tests Date: Customer: Address: Elevator Location: Address: Motor Ratings (From Nameplate) Rated Voltage: Rated Current: Rated Speed (RPM): Rated Frequency: Installation Data Encoder Counts (PPR): Operating Mode: Dy...
Page 36 - Table 5-3 Vector Control Worksheet; Slip Adjustment Value:
Section 1General Information Set-Up Information 5-15 MN770 Table 5-3 Vector Control Worksheet Date: Catalog Number: Rated Voltage: Rated Horse Power: Rated Current: Slip RPM: % Rated Motor Load: Slip Adjustment Value: Slip Frequency: Installed by: Installed by: Date:
Page 39 - often enough noise to ruin the output of a productive machine.; Figure 6-1 Electrical Noise Display; resistor in series with a 0.47
Section 1General Information 6-2 Troublehsooting MN770 Electrical Noise Considerations All electronic devices including a Series H Control are vulnerable to significant electronic interference signals (commonly called “Electrical Noise”). At the lowest level,noise can cause intermittent operating er...
Page 40 - Electrical Noise Considerations Continued; Figure 6-4 AC & DC Coil Noise Suppression; AC Coil
Section 1General Information Troublehsooting 6-3 MN770 Electrical Noise Considerations Continued Combining an R-C snubber and twisted-pair shielded cable keeps the voltage in a circuitto less than 2 V for a fraction of a millisecond. The waveform shown in Figure 6-3 inaddition to the snubber across ...
Page 42 - Special Drive Situations
Section 1General Information Troublehsooting 6-5 MN770 Electrical Noise Considerations Continued Even input AC power lines contain noise and can induce noise in adjacent wires. This isespecially severe with SCR controlled DC drives, current–source and six–step inverters.Figure 6-9 shows a transient ...
Page 43 - Control Enclosures
Section 1General Information 6-6 Troublehsooting MN770 Electrical Noise Considerations Continued Control Enclosures Motor controls mounted in a grounded enclosure should also be connected to earthground with a separate conductor to ensure best ground connection. Often groundingthe control to the gro...
Page 44 - Wiring Practices; Power Wiring; Follow the practices for analog signal wiring.; Analog Signal Wires; Cross power and control wires at right angles (90; Encoder Circuits; Select line driver inputs on the adjustable speed drive.
Section 1General Information Troublehsooting 6-7 MN770 Wiring Practices The type of wire used and how it is installed for specific applications makes the differencebetween obtaining reliable operation and creating additional problems. Power Wiring Conductors carrying power to anything (motor, heater...
Page 45 - Optical Isolation; Optical Couplers; Plant Ground
Section 1General Information 6-8 Troublehsooting MN770 Optical Isolation Isolating electrical circuits with some form of light transmission reduces the electricalnoise that is transmitted from one part of a circuit to another. That is, an electrical signalis converted to a light signal that is trans...
Page 46 - Appendix A; Load Weighing / Torque Feed Forward; cell equals a full car and 0 volts equals an empty car. This means; Figure A-1 Typical Elevator Application
Appendix A Appendix A-1 MN770 Load Weighing / Torque Feed Forward In many advanced elevator applications, the system is designed to weigh the elevatorload to offset the counterweight of the car. We also refer to this as a torque feed forwardapplication. Both the Baldor AC Vector (Series 18H and 22H)...
Page 48 - Appendix B; Serial Communications; WARNING: Use extreme care when in the Remote mode. You can gain; Figure B-1 Remote Communications
Appendix B Appendix B-1 MN770 Serial Communications Baldor’s Series 15H and 21H Inverters, 20H DC SCR or 18H and 22H Vector controlsmay be monitored or operated remotely by a modem an a Serial Communicationexpansion board on the control. By using either the EXB001A01 or EXB002A01 SerialCommunication...
Page 50 - Appendix C; Elevator Industry Glossary
Appendix C Appendix C-1 MN770 Elevator Industry Glossary Adjusters – The elevator mechanic who does advanced maintenance or supervisory functions in conjunction with mechanics. Approach Speed – A fixed speed sometimes used on high speed elevators as an intermediate speed for the last few feet before...
Page 51 - Hoist way – The elevator shaft.; a jog speed in an industrial application.; Overhead – The area above the elevator at the top of the hoist way.
Section 1General Information C-2 Appendix C MN770 Gearless Elevator – An elevator powered by a low speed motor (usually DC) which has the drive sheave mounted directly on the motor shaft. It uses no gearbox. These are used in high speed elevators. Typical motor speedsare 70 -150 RPM at contract spee...
Page 52 - the car during emergencies.; Rails – The steel tracks which guide the elevator in the hoist way.; control is able to hold it steady prior to moving to the next stop.; Ropes – The steel cables used to suspend the car and counterweights.; elevator position to the controller.; Tracking – The act of the control following the commanded signal.
Section 1General Information Appendix C-3 MN770 Pattern Generator – An external circuit board used to generate an adjustable S–curve speed command for smooth acceleration and deceleration. This signal is used by the motor control instead of any on–board S–curve. Ituses feedback from the elevator by ...
Page 54 - BALDOR ELECTRIC COMPANY; Baldor Electric Company
BALDOR ELECTRIC COMPANY P.O. Box 2400 Ft. Smith, AR 72902–2400 (501) 646–4711 Fax (501) 648–5792 Baldor Electric Company MN770 Printed in USA 3/97 C&J300
