Program features 93
Load analyzer
Peak value logger
The user can select a signal to be monitored by a peak value logger. The logger
records the peak value of the signal along with the time the peak occurred, as well as
motor current, DC voltage and motor speed at the time of the peak. The peak value is
sampled at 2 ms intervals.
Amplitude loggers
The control program has two amplitude loggers.
For amplitude logger 2, the user can select a signal to be sampled at 200 ms
intervals, and specify a value that corresponds to 100%. The collected samples are
sorted into 10 read-only parameters according to their amplitude. Each parameter
represents an amplitude range 10 age points wide, and displays the age of the
collected samples that have fallen within that range.
You can view this graphically with the assistant panel or the Drive composer PC tool.
Amplitude logger 1 is fixed to monitor motor current, and cannot be reset. With
amplitude logger 1, 100% corresponds to the maximum output current of the drive
(I
max
), which is listed in the Hardware manual. The measured current is logged
continuously. The distribution of samples is shown by parameters 36.20…36.29.
Settings
• Menu - Diagnostics - Load profile
• Parameter group 36 Load analyzer (page 206).
age of samples
0…10%
10…20%
20…30%
30…40%
40…50%
50…60%
60…70%
70…80%
80…90%
>90%
Amplitude ranges
(parameters 36.40…36.49)
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