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LM - Motor Data Parameters
This parameter is used to activate and select the type of motor overload
function. Depending on the setting of this parameter, the Elevator Drive will
trigger an ‘Error Motor Protection’ fault causing the motor to stop.
Settings: NUM
Off 0
On 1
Default = On (1)
The trigger level is established in parameter LM09 Electric Motor Protection
Current.
The trip curve is in accordance with VDE 0660 Part 104, UL508C section 42,
and NFPA 70 Article 430 part C. It is dened as follows:
100% of trip current => continuous running
120% of trip current => trip after 2 hours
150% of trip current => trip after 2 minutes
200% of trip current => trip after 1 minute
800% of trip current => trip after 5 seconds
50 100
120 min
60 min
30 min
2 min
1 min
30 sec
5 sec
150 200 400 600 800
Time
% of Motor
Current
Non-ventilated motor
Fan cooled motor
f = 0 Hz
This function must be activated to ensure the motor protection function
is operational!
The trigger level is established from the LM03 Motor Rated Current and LM11
Peak Motor Current Factor. Refer to LM11 Peak Motor Current Factor for
additional details.
LM08
Electric Motor
Protection
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