WEG SRW 01, Руководство пользователя

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Parameterization
SRW 01 | 5-39
5
P626 – Undercurrent Time
Adjustable
Range:
0 = Disabled
1 to 99 s = Enabled
Factory
Setting:
0 s
Proprieties: Sys, rw
Description:
It defines the allowed time with undercurrent before switching off the motor or indicating an alarm. If P626 = 0,
the function remains disabled.
P627 – Undercurrent Protection Action
Adjustable
Range:
0 = Alarm
1 = Switch Off (Trip)
Factory
Setting:
1
Proprieties: Sys, rw
Description:
It defines the action of the undercurrent protection.
5.7.8 Frequency Out of Range
The frequency out of range protection monitors the line frequency by means of the measurement of the phase L2
T2 current and compares it with the value adjusted at the parameter P407. If the frequency fluctuation percentage
remains higher than the value adjusted at the parameter P628 longer than the time adjusted at P629, then the
motor may be switched off or only an alarm be activated, according to the parameter P630.
P407 – Line Frequency
Adjustable
Range:
0 to 99 Hz
Factory
Setting:
60 Hz
Proprieties: Sys, CFG
Description:
It defines the frequency of the line at which the motor is connected.
P628 – Frequency Out of Range
Adjustable
Range:
5 to 20 % Factory
Setting:
5 %
Proprieties:
Sys, rw
Description:
It defines the percentage of the line frequency fluctuation.
P629 – Frequency Out of Range Time
Adjustable
Range:
0 = Disabled
1 to 99 s = Enabled
Factory
Setting:
0 s
Proprieties: Sys, rw
Description:
It defines the allowed time with the frequency out of range before switching off the motor or indicating an alarm.
If P629 = 0, the function remains disabled.