7. Description of Parameters MD500 User Manual
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1. Accumulative power-on time reached
Function Code Parameter Name Setting Range Default
F8-16 Accumulative power-
on time threshold
0 to 65000 h 0 h
If the accumulative power-on time (F7-13) reaches the value set in this parameter, the digital output terminal set for function 24
becomes ON.
2. Accumulative running time reached
Function Code Parameter Name Setting Range Default
F8-17 Accumulative running
time threshold
0 to 65000 h 0 h
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becomes on.
3. Startup protection
Function Code Parameter Name Setting Range Default
F8-18 Startup protection selection 0: Disabled
1: Enabled
0
This function parameter determines whether to enable safety protection at drive startup.
If such protection is enabled (F8-18 = 1), the AC drive will not respond to the RUN command that is input at power-on or fault reset.
This helps to avoid unexpected motor running at power-on or fault reset.
The AC drive will not cancel the startup protection until you cancel the RUN command.
7.11.4 Frequency Detection (FDT)
This function sets the detection values of the output frequency and sets the hysteresis level for the frequency detection function.
Figure 7-64 Frequency detection
Time (t)
Output
frequency (Hz)
Frequency
detection level 1
Time (t)
ON
Frequency hysteresis
= F8-x F8-20
(DO, relay)
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