General theory of operation
Invenia ABUS 2.0 – System Setup and Basic Service Manual 5-27
4700-0043-00 Rev. 4
Electrical / Electronic
Power
Power for the system originates in the PC Box chassis and is
distributed in there to other PC Box components and to the
touchscreen monitor. It is also distributed to the Ultrasound Box
MFEPS board which provided power to U/S Box components
and to the Scan Head and Weight Tower.
Power-up sequence
Before the ABUS can be powered up, these items must be in
place or be done:
a) The system must be plugged into mains power.
b) The ABUS main power switch in the ACDC Input assembly
on the side of the PC Box must be turned on.
Service-Related
Diagnostics
A section of the Service Desktop application provides machine
and system diagnostics.
The system monitors a number of items and it logs and reports
their fault conditions.
Monitored items include:
• fans
• temperatures of cMST board, MFEPS, and motherboard
• voltages at key boards
• run status of various hardware
The system does not actively monitor cable continuity or
unplugged connectors.
The ABUS 2.0 supports Remote Diagnostics.
Access to these requires a network connection. (Ethernet port
on to local network.)
Use of the Remote Diagnostics requires a User ID and an
authorized password. For further information refer to
Troubleshooting section of this document.
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