ABB ACQ80, Firmware Manual

Page: 65 / 390

Program features 65
Diagnostics
 Signal supervision
Six signals can be selected to be supervised by this function. Whenever a
supervised signal exceeds or falls below predefined limits, a bit in
32.01
Supervision status
is activated, and a warning or fault generated.
For example, if user wants to monitor DC voltage and generate a warning/fault
message if it exceeds certain limit, he/she can select DC Voltage [7] in the
parameter
32.07 Supervision 1 signal
, set low/high limit in the parameter
32.09
/
32.10
and set the action in the parameter
32.06 Supervision 1 action
.
The supervised signal is low-pass filtered.
Settings
Parameter group
32 Supervision
(page
152
).

Diagnostics menu
The Diagnostics menu provides quick information on active faults and
warnings, and helps you to resolve potential problems. To go the Diagnostics
menu from the Home view, select Menu - Diagnostics .
The table below provides detailed information about the contents of the
different views available in the Diagnostics menu
.
Menu item Description
Start, stop, reference
summary This view shows where the drive is currently taking its start
and stop commands and reference. The view is updated in
real time.
If the drive is not starting or stopping as expected, or runs at
an undesired speed, use this view to find out where the
control comes from.