Mitsubishi Electric FATEC FR-A800 Manual page 45

2
UNDERSTANDING INVERTER SYSTEM
Remark
 Measurement including the data sampled before the trigger occurs for 90% of the
sampling time (sampling is started at the occurrence of a fault)
(a) Specify the station number to
be measured as "Tgt. St."
(Target station).
Next, select "Output frequency"
for the "Analog 1" column of
"Wave", "RUN" for "Digital 1",
and "FU" for "Digital 2".
(b) Trigger setting:
• Select "Fault trigger" from the
"Trigger data" column.
• Select "90%" for the "Trigger
position" column.
(c) Data before trigger occurrence
will be acquired by clicking
[
(d) Measurement automatically starts when an inverter fault occurs.
(e) Measurement is finished by
clicking [
set sampling time is elapsed.
2.6 Inverter setup software
40
In this example, "Trigger position" is set to "10%". After clicking [
rise of terminal RUN signal within 10% of the sampling time will be ignored, and
measurement will not start.
Start].
Stop], or when the
Select "FU".
Start], the
Set the station to be measured.
Select "Output frequency".
Select "RUN".
Select "Fault trigger"
Select "90"
Select " Start".
Select " Stop".