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“Oil-Less” Scroll Medical Air


           Appendix D:  TotalAlert Embedded Control System


           D.1  Board Confi gurations                           D.2  PCB1 (5.7” Display Controller)

           The source control system is comprised of four      D.2.1   Basic Software Architecture
           (4) diff erent printed circuit boards (PCBs) with
           interconnecting wiring (RS485 or Ethernet) for      The primary purpose of PCB1 is to drive the LCD
           internal communications between the boards.         display for the 5.7” Master screen.  Its other
           See Figure D.2.                                     functions include the following:

           1.  PCB1: Display Board for 5.7” Touch Screen       1.  Communicate to the Master Controller Board
              Display                                              (PCB3) via a RS-485 bus to relay commands
                                                                   from the touch screen interface and display
           2.  PCB2: Display Board for 3.5” Touch Screen           messages from the master controller.
              Display
                                                               2.  Interface to the 5.7” Display touch screen to
           3.  PCB3: Master Source Controller Board                interpret the user interaction.


           4.  PCB4: Pump Controller Board or Dryer            3.  Drive the 24VDC local alarm horn when
              Controller Board                                     signaled by the master controller via the RS485
                                                                   bus.
           In a standard medical air duplex system, the PCB
           confi guration consists of the following quantities   4.  Read the input from the motion detector at the
           and types of boards:                                    front panel and relay the status to the master
                                                                   controller so it can distribute the information
           •  PCB1 – (1) One for the Main 5.7” display
                                                                   to the other pump controllers and then to their
                                                                   corresponding 3.5” display boards (PCB2).
           •  PCB2 – (2) One for each of the Unit 3.5”
              displays
                                                               5.  Accept new fi rmware via the Ethernet jack when
                                                                   connected to a PC confi gured  with  genuine
           •  PCB3 – (1) Master Controller
                                                                   BeaconMedaes software for reprogramming.
           •  PCB4 – (4) One for each compressor (2) and
              one for each dryer (2)

           In a standard medical air quadruplex system,
           the PCB confi guration consists of the following
           quantities and types of boards:

           •  PCB1 – (1) One for the Main 5.7” display

           •  PCB2 – (4) One for each of the Unit 3.5”
              displays


           •  PCB3 – (1) Master Controller

           •  PCB4 – (6) One for each compressor (4) and
              one for each dryer (2)








           4107 9000 69.06                                  D-2
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