Elevator Display Agreement - PDF

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Elevator Display Agreement - PDF Powered By Docstoc
					The world’s finest
Microprocessor Elevator Controllers!
   Reliable                                           n,
                                            es p u
                                       tiliz trial-d ble
                                     U us           a
                                      ind gramm rs!
        Affordable                     pro ntroll  e

              Easy To Maintain

   DC SCR Drive Controller         Vector Drive Controller

                             Mid-American Elevator
Mid-American Microprocessor Control Systems—
the most advanced technology in the industry!
                                                                 • Our systems are particularly suited for elevator renova-
    Affordable And Cost Effective                                  tions of any type.
 • The initial cost of Mid-American equipment is always          • Freight elevator controllers with integrated power freight
   competitive with equivalent systems from other control          door controls minimize installation time and improve
   manufacturers. We let the expert engineers at GE Fanuc          system reliability.
   or Allen-Bradley do the expensive microprocessor and          • Prison elevators with special security features
   motor-drive R&D and pass the savings on to you!               • High-rise, high-speed or automatic load/unload dumb-
 • The use of all commercially available components ensures        waiters
   that you can buy replacement parts at low open market         • Extra large elevator systems
   prices, not high single-source prices.                        • Automated people mover systems
 • Highly reliable industrial-duty programmable controllers
   ensure that expensive downtime, callbacks, replacements
   and repairs are kept to an absolute minimum.                      High Performance Speed Control
 • Your installed cost of our new Vector drive controller            And Dispatching Logic
   and motors is less than similar systems using DC SCR
   drives or Generator Field Control and motor generator sets.   • Car speeds to 1,000 FPM (5.0 meters/second)
                                                                 • Any possible load capacity—we’ve done systems to
                                                                   500,000 lbs. capacity
    Available With A Wide Variety                                • Closed loop speed and position control for “direct
    Of Motor Control Systems                                       approach” and excellent floor-to-floor times
                                                                 • Up to 12 car groups with efficient real time analysis
 • Variable Frequency “Vector”                                     using both multiple-dynamic zoning and estimated time
   AC drives—the “hot set-up”                                      of arrival algorithms
   for geared elevators!
 • DC SCR drives—excellent for
   retrofit of high-speed                                            Fully Documented, Open Systems
   gearless cars
 • Generator Field Control—                                      • Unlike MCE or Swift, we provide complete annotated
   retain motor-generators in                                      program ladder logic listings to our customers. You
   good condition and reduce                                       can have access to, and an understanding of, the actual
   your renovation cost                                            computer control program.
 • Hydraulic elevators                                           • Complete programmable controller, motor drive and
                                                                   overall control system installation, maintenance, trouble-
                                                                   shooting and programming information is included with
                                                                   all systems.
                                                                 • An easy-to-learn programming system allows you to
  Generator                                                        learn, in a very short time, to access the PLC program
  Field Control                              Vector Drive          with a laptop computer to monitor and troubleshoot the
                                                                   elevator control system.
                                                                 • Based on standard industrial programmable logic
    Custom Designed For Your Project                               controllers (PLCs) from GE Fanuc or Allen-Bradley. Other
                                                                   brands are available on special request.
 • We double-check our design against your specifications,
   layouts and engineering data to ensure that you’re
   getting exactly the system that’s required.                       Introducing The “Vector” Drive
 • Unique color-coded CAD generated drawings for every
   project                                                       • We highly recommend consideration of our new “Vector”
 • Our specialty is production of control systems with             drive for new and retrofit installations. This latest tech-
   special or unusual features—explosion proof, rack &             nology flux vector, variable voltage, variable frequency
   pinion, escalators and people movers.                           drive can be utilized on almost any AC motor, new or

                                               CAD Generated Color Schematic

    old, single or two speed.                                      • All panel components are easily accessible and replace-
•   The Vector drive will provide performance equivalent to          able from the front of the controller.
    the best DC systems. Digital speed and position feedback       • Every panel is completely tested before shipment.
    provides excellent operation to 500 FPM.                       • Concerned and comprehensive after sale service and
•   Unlike the Dynalift or similar variable voltage AC               support that is unmatched in the industry.
    systems, the Vector drive does not require a two-speed
    motor, does not generate large amounts of excess motor
    heat, and does not require a loud, high maintenance                Available Options
    blower fan on the motor.
•   The Vector drive’s digital electronics provide fast            • NEMA 12, 4, 4X hazardous location systems available
    adjustment and its high switching frequency generates          • Cartop selectors, terminal limit switches, solid-state load-
    almost no audible noise.                                         weighing devices available
•   Mid-American can provide matching motors and geared            • Special security systems or operation
    elevator machines with our Vector drive control systems.       • Microsoft Windows-based Machine Room and Remote
                                                                     Diagnostics and Monitoring Systems
                                                                   • AC or DC hoist motors and geared machines
    Loaded With Features                                           • Mid-American can provide partial or complete elevator
• CAD generated, color-coded, electrical schematics                  equipment packages for export.
• Simple PLC program modification in the field with a
  standard IBM compatible laptop computer
                                                                       Proven On A Wide Variety
• Heavy-duty NEMA 12 enclosures with lifting hooks,                    Of Projects
  locking doors and airtight gasketing
• Extensive use of resettable circuit breakers to isolate          •   VA hospitals
  circuits for easy troubleshooting                                •   Government and private high-rise office buildings
• All input and output points have separate, clearly               •   US Post Office
  marked LED indicators.                                           •   Transit stations and public housing projects
• Clearly marked terminal blocks are accessible and easy to        •   Major elevator renovation projects
• All relays and contacts are DIN rail mounted for easy
  inspection and replacement.

                                      The Mid-American Advantage
     Practical Programmable Elevator Controllers
Like other independent elevator
contractors, we realize that to
remain competitive with Otis,
Schindler, Kone and Thyssen, we
                                                                         The Heart of the System
must offer our customers more                                          What makes our control systems superior to others on the
                                                                       market today is the use of highly advanced and versatile
innovative products and services.                                      “Programmable Logic Controllers” (PLCs) from GE Fanuc
One area that was particularly                                         and Allen-Bradley as the main logic element of all of our
necessary for our installation                                         elevator control systems. Programmable logic controllers
and renovation business during                                         are industrial-duty general purpose microcomputers,
the past 15 years was having                                           originally developed for the machine tool industry. The
a good microprocessor-based                                            use of PLCs offers independent elevator contractors a
control system.                                                        number of important advantages…
                                                                       Proven Performance—Each of these PLC brands has literally
    Our experience with several                                        thousands of successful industrial installations throughout
microprocessor systems purchased                                       the United States in factory automation, machine tools
from other controller manufactur-                                      and process control applications. Mid-American has sold or
ers for our new elevator installa-                                     installed hundreds of PLC control systems.
tions and in the renovation                                            Reliability—Designed to have high tolerance to heat,
of geared and gearless elevators                                       humidity, dirt and electrical interference, our control systems
in mid-rise buildings was not                                          operate trouble-free in the worst possible machine room
satisfactory. The systems were                                         environment. They are hardened for temperature tolerance,
single source proprietary comput-                                      power line noise, radio frequency interference, high humidity
                                           Controller with GFC         and physical abuse. They are designed for rapid troubleshooting
ers designed as dedicated elevator                                     and parts replacement.
controllers, offering limited flexibility. We found that repairs       Easy To Maintain—Troubleshooting and start-up are greatly
or modifications to the microcomputer hardware or software             simplified with our programmable controller systems. All
could only be made by the manufacturer. This was often                 inputs to the computer system from buttons and switches,
expensive and generally had a three or four day turnaround             and outputs from the system to lights, relays and the motor
time, frequently causing excessive downtime on our eleva-              drive, are individually monitored with a clearly marked
tors. The systems were sometimes impossible to troubleshoot,           LED. Modular design of the PLC allows replacement of any
and our maintenance mechanics, adjusters and engineers got             component in only a few minutes.
tired of working with a “black box” whose operation they               Access To The Control Program—While understanding
would never fully understand.                                          of or access to the program is not necessary to install or
                                                                       troubleshoot the system, the control program is completely
    As an alternative, we decided to design and build our              available to our customers. Written in an easy-to-understand
own controllers. We began by selecting as the main element             “Relay Ladder Logic,” a language that is very similar to
of the control system, a general purpose industrial-duty                                                    contact and coil hardwired
microcomputer made by the Square D Company. When we                                                         relay schematics, it can be
started in 1984, the Square D Symax 300 programmable                                                        learned in only a couple
controller offered an excellent combination of features and                                                 of days by your elevator
                                                                                                            mechanics or engineers.
cost. After three years of research, development and on-site                                                Upon execution of a license
testing on a wide variety of elevator installations in Chicago,           Programmable Logic Controller     agreement, Mid-American
our new control systems performed beyond our expectations.                                                  will provide a fully docu-
At that time, we felt that this “open system” controller               mented copy of the program to the purchaser.
would be equally valuable to other independent contractors,            Easy To Monitor—Real time logical power flow from the inputs,
and we began to sell our systems to other independent                  through the program logic to the outputs can be graphically
elevator companies nationwide.                                         monitored on a laptop computer. The program can actually be
    In the succeeding years we have utilized other brands              “watched” while it’s running the elevator.
of programmable controllers as various manufacturers have              Field Reprogrammable—All of these programmable
improved their PLC’s price/performance ratio and added                 controllers have the flexibility to be quickly and easily field
                                                                       reprogrammed to meet specific job requirements. With our
features that have proven valuable in specific applications.           systems, it is never necessary to wait weeks or even days for a
Programmable controller brands we support include GE Fanuc             new “chip” to arrive from the factory to make a small change
and Allen-Bradley. These systems have proven reliable and              in the operation of the elevator.
maintainable.                                                          Parts Availability—GE and Allen-Bradley distributors are
    We recently installed these controllers with GE PLCs on            located in every major U.S. city and numerous locations
the Space Shuttle launch tower at the Kennedy Space Center             worldwide. These distributors carry a complete stock of
where the PLCs are recognized for reliability and maintain-            PLC components.
                                       Machine Room and Remote Elevator
                                        Diagnostics & Monitoring Systems
                                      Mid-American Elevator now offers an elevator diagnostic and monitoring system that utilizes
                                      a standard IBM compatible computer in the elevator machine room and, optionally, additional
                                      central station or display computers located in the elevator contractor’s office, the building
                                      manager’s office, and/or the elevator lobby. The system provides instantaneous notification

                                      of elevator malfunctions. Sophisticated diagnostics allows immediate identification of the
                                      problem and rapid repair. Advanced traffic analysis ensures that your system is tuned and
                                      serving the building with optimum efficiency.
                                         The system includes the following features:

                                             Complete graphical displays of the status of each elevator group.

                                             An overview screen showing             Screens from Remote Monitoring System
                                             the status of all elevators in
                                             the system.

                                             Detection of up to 64 different
                                             elevator faults.

                                             Faults are logged to screen,
                                             printer and hard disk.

                                             Historical fault reports
                                             selected/sorted by elevator
                                             number, date, time, fault or

                                             When there is a system fault,
                                             the machine room computer
                                             will notify the central station

                                             Central station operators can
                                             call any machine room in the
                                             system to check the status of
                                             elevator and view graphical
                                             display of group operation.

                                             Troubleshooting help for
                                             Mid-American systems.

                                             Electrical schematics on screen

                                             PLC programming software installed for monitoring or
                                             modifying PLC programs in that machine room (optional).

                                             Utilizes standard commercially available control and computer

                       (Photocopy and complete this page, and return it to the address listed below.)

DATE ____________________________________                            BID DUE _______________________________
CUSTOMER ____________________________________________________________________________
 PHONE __________________________________                             FAX ____________________________________
PROJECT ____________________________________________________________________________
  GEARED                     GEARLESS                                HYDRAULIC                             2 SPD AC
  VECTOR                     DC SCR                                  GFC
STOPS _________          SPEED _________                         CAPACITY _________
NUMBER OF OPENINGS: FRONT ___________                            REAR ____________
  SIMPLEX                    DUPLEX                                  CAR GROUP                             SPECIAL
                                                                                                        (Make comment below)

  NEW INSTALLATION           RENOVATION                              REUSE MOTOR                           REUSE MG

MOTOR DATA:                                                          MG DATA:
MFR. ___________________________________                           MFR. ___________________________________
RPM _______ HP ______ MODEL _______                                KW _______ MODEL ______ VAC _________
VOLTAGE __________     AMPS ____________                           VDC _________               FL DC AMPS ___________
BUILDING FEEDER VOLTAGE ______________                             VAC _____________________________________


                                  FOR OUR NEW CUSTOMERS
                      Special Introductory Offer
         On your initial order for a complete traction system, our engineers will provide two
         days training on adjustment and troubleshooting of our systems at your job site.
         As an added bonus, on your first order for at least two traction elevator controllers,
         we will include an IBM compatible laptop computer with installed programming
         software at no additional charge.

             For all the details or a job quotation contact Rob Bailey or Peter Pold at:

            Mid-American Elevator Equipment Co., Inc.
                              820 N. Wolcott Avenue, Chicago, Illinois 60622
                               Phone: 773/486-6900 • Fax: 773/486-2438
                e-mail: sales@mid-americanelevator.com • www.mid-americanelevator.com
                             www.spacesaverparking.com • www.usahoist.com

Description: Elevator Display Agreement document sample