nord NORDAC START Series, User Manual

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NORDAC START (SK 135E / SK 175E) – Users Manual for Motor Starters
92 BU 0135 en-4118
5.2.5 Additional parameters
P523 Factory setting RM
Setting range 0 … 1
Other applicable parameter(s): P550
Factory setting { 0 }
Description
Reset all motor start parameters to the factory settings.
Note The setting is not permanent until the values from the RAM have been transferred to
the Flash memory (see P550 ).
Setting values
Value Meaning
0 No change
This function is not implemented.
1 Load factory setting All parameters are reset to the factory settings. The display then
jumps back to a value of "0".
P535 I²t motor FL
Setting range
0 … 2
Other applicable parameter(s): P108, P203, P427
Factory setting { 1 }
Description I²t motor shut - off class – This determines how quickly the motor starter shuts off in the
event of overcurrent. The rated current upon which the I²t monitoring is based is
determined by P203 . The shut-off takes place almost immediately as of 7.2 times the
rated current. (Error E3.0 )
Note The three selectable motor shut-off classes are based on curves that are defined in
EN 60947-4-2.
Setting values
Value Meaning
0 Class 10A
1.5 times overcurrent for 120 s
1 Class 10
1.5 times overcurrent for 240 s
2 Class 20
1.5 times overcurrent for 360 s