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A.3.3 3.5" Boot/Communication Screen
Figure A.17 Boot/Communication Screen
The
boot/communication
A.17) shows at boot time and changes to the
default main screen once communication and
compatibility are confirmed:
•
If a RS-485 link failure is detected the link
icon at the top of the screen appears and
the version button appears to allow the
user to check display board (PCB2) version
information.
•
If the connecting board is incompatible with
the display board (for example, the boards
are not properly connected), only the bottom
version button appears with a red button
background.
A.3.4 3.5" Main Screen
Figure A.18 3.5" Main Screen
The main (default) screen (Figure A.18) shows
the operation mode of the unit along with its
Lubricated Rotary Vane Laboratory Vacuum Systems
screen
(Figure
automatic versus manual mode setting:
•
Automatic (Blue = Standby, Grey = Unselected,
Green = Unit Running)
•
Purge/Off (Red = Selected, Grey = Unselected)
•
Off (Red = Selected, Grey = Unselected)
•
Manual (Blue = Standby – Backup Vacuum
Switch is not closed, Grey = Unselected,
Green = Unit Running)
A.3.5 3.5" Main Screen: Manual Override
During the system startup, the manual override
switch, located on the printed circuit board
(PCB4), switch is utilized to ensure the pump is in
the Off position. The manual override switch on
PCB4 is safety measure as well, for emergency
situations to ensure the pump unit produces
laboratory vacuum.
In the event of an emergency and the control
system is not operating effectively, the manual
override switch can be moved from the
"AUTOMATIC" position to the "MANUAL" position
Manual Override Switch
O - On Manual
X - Off
A - Automatic
PCB4 with Manual Override Switch On
Figure A.19 Manual Override Switch
A-9
4107 9021 88.01
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