WEG SRW 01, Руководство пользователя

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Parameterization
5-38 | SRW 01
5
P622 – Overcurrent
Adjustable
Range:
50 to 1000 %
Factory
Setting:
400 %
Proprieties: Sys, rw
Description:
It defines the percentage of overcurrent.
P623 – Overcurrent Time
Adjustable
Range:
0 = Disabled
1 to 99 s = Enabled Factory
Setting:
3 s
Proprieties:
Sys, rw
Description:
It defines the allowed time with overcurrent before switching off the motor or indicating an alarm. If P623 = 0,
the function remains disabled.
P624 – Overcurrent Protection Action
Adjustable
Range:
0 = Alarm
1 = Switch Off (Trip) Factory
Setting:
1
Proprieties:
Sys, rw
Description:
It defines the action of the overcurrent protection.
5.7.7 Undercurrent
The undercurrent protection monitors the average current and if it stays under the limit adjusted at the parameter
P625 longer than the time defined in the parameter P626, then the motor may be switched off or only an alarm be
activated, according to the parameter P627.
Example: considering the following parameterization:
„
Parameter P202 = 2.
„
Parameter P625 = 20 %.
„
Parameter P626 = 3 s.
„
Parameter P627 = 1.
„
Parameter P401 = 10 A.
If the motor average current remains lower than 8 A during 3s, the SRW 01 relay switches off (Trip) the motor.
P625 – Undercurrent
Adjustable
Range:
5 to 100 % Padrão: 20 %
Proprieties:
Sys, rw
Description:
It defines the percentage of undercurrent.