Gasboy Atlas Start-up - Manual (Page 72)

Page 5-12 MDE-4334D Atlas™ Start-up and Service Manual · July 2013
Electronic and Electrical Components PCAs
PCAs
This section provides information specific to PCAs.
Atlas 9800 PCAs
PCAs control the hydraulics and monitor the fuel delivery, compute, and display store
transaction information, interface with FMS. The term PCA and PCB may be interchanged
suitably.
Note: For proper service of PCAs, the technician must possess knowledge of the functions of
components and how they relate to the system.
Figure 5-3 shows the interface that relates assemblies and components for the main display
PCA [see Figure 5-2 (on page 5-11 ) and Figure 5-32 (on page 5-39 )].
Figure 5-3: Atlas 9800 Series Block Diagram
M07588A002 115 VAC without backup battery
M07588A001 115 VAC with backup battery
Atlas 9800 Power Supply Board
P3 - AC Input
C06387 LCD Display Board
M12158A00X LCD/Backlight Assembly.
P1: +5 VDC
Power Fail
Battery and
Ground to CPU
K-Pump RS-485 Board
M06725A001 with Totalizer output
M05248A001 with Totalizer output
C06389 Standard
(M06587A001) or K-Pump Pulse-out with Totalizer Boards (M05158A00X)
(M06333KXXXX) Atlas 9800 CPU Board
P14: Serial Peripheral I/F
P9: ISB PWR/GND
JP1-JP9
P11: Display Power
and Data
P10: DC Power Input
shows the interface that relates assemblies and components for the main display
SW2
P1 - Hose 1 Valves and STP
P2 - Hose 2 Valves and STP
P3 - Pulser 1
P5 - Pulser 2
P4 - Handle switches
P2: +7.5 VDC
Power to display
Back lights and
Electromechanical
Totalizers
P8 -
RS-485 I/F
or
Pulse-out I/F
P6 - Totalizer
Sensor Intput
P7 -
Relay
Drive
Connection to
the CPU bd. Connection to
the CPU bd.
Atlas 9800 Pulse-out I/F with EM Totalizer Drive Board
M07588A003 230 VAC with backup battery
M07588A004 230 VAC without backup battery