• Maintenance – Additional multiple
screens depicting suggested and required
maintenance items with resettable timers.
When maintenance is due, both the
maintenance button and the service icon on
the tool bar turn red instead of blue.
• Diagnostic - Depicts the I/O status of the
connecting unit controller board. For
example, the digital inputs (X1-X7 as 0 or 1),
the analog readings (T1-T2, I1-I4, P1-P2 and
V1-V2 with A/D values), the 24VDC powered
digital outputs (Z1-Z2 as 0 or 1) and the dry
contacts (Y1-Y12 as 0 or 1).
• Version – Displays the RS-485 communication
version,
fi
rmware versions for the 5.7” display
board and the connecting controller board.
• Testing – Allows for test mode of all alarm
events. See Section A.5 for more information.
• Ambient – Display the current ambient
temperature. When the button is pressed,
the trend information is available for this
temperature.
A.2.7 5.7” Maintenance Screen
The maintenance screens (Figure A.9) are
accessed via the service screen:
• Additional multiple screens depicting
suggested and required maintenance items
with resettable timers. If an item is past due
the button color changes from blue to red if
the item is a required maintenance versus a
suggested maintenance.
• The
fi
rst (default) screen shows as the System
maintenance. Items that are suggested are
shown as a grey button and indicators are
not visible or
fl
agged for these items. When
the user resets the timer, the action is logged
in the service history.
Figure A.8 Service Screen
Figure A.9 Main Screen and Symbols
Maintenance History Screen
Unit Maintenance Screen
System Maintenance Screen
Lubricated Rotary Vane Laboratory Vacuum Systems
4107 9021 88.01
A-5
