Nord Drivesystems NORDAC LINK SK 155E-FDS - Additional Parameters

5 Parameter
BU 0155 en-3520 85
5.2.6 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 5
1.5x overcurrent for 60 s / 9 s
1)
1
2)
Class 10A
1.5x overcurrent for 85 s / 12 s
1)
2
Class 10
1.5x overcurrent for 170 s / 24 s
1)
1) 1. Value: cold motor
2. Value: warm motor with 100% load
2)
Class 10A only for rated motor current ≤ 4 A
Detailed information:

Section 8.3 "Trigger classes (I²t)"
P536 Current limit FL
Setting range
80 … 401 %
Other applicable parameter(s) P203
Factory setting
{ 401 }
Description
Limitation of the starting current relative to the rated motor current (P203). If the
current limit is exceeded the starting ramp is extended until the current limit is
undershot.
Setting values
401 % = The function is switched off