WEG CFW-11 Programming Manual page 228

Faults and Alarms
Overload Time
100000
10000
Figure 15.3 - (a) and (b) - Cold and hot motor overload curves for loads of the HD and ND types
For the previous example, by plotting the 678 % value (x axis) of the Overload Current with the 4 seconds (y axis) of the Overload
Time in the graph of the
P0340 – Auto-Reset Time
Adjustable
Range:
Properties:
Access groups
via HMI:
Description:
When a fault occurs (except F067 – Incorrect Encoder/Motor Wiring and F099 – Invalid Current Offset), the inverter
can reset itself automatically after the time set in P0340 has elapsed.
15
15-8
1000
100
10
1
0,1
0 1 2 3 4
1x 2x 3x 4x
(b) - Hot motor overload curves for loads of the HD and ND types
Figure 15.2 on page 15-5
0 to 3600 s
01 PARAMETER GROUPS
45 Protections
5 6 7 8 9
5x 6x 7x 8x 9x 10x
(b) (hot motor), the thermal class to be selected will be the class 15 (t15).
Class 45
Class 40
Class 35
Class 30
Class 25
Class 20
Class 15
Class 10
Class 5
Current x In for F.S. = 1.00
10
Current x In for F.S. = 1.15
Factory 0 s
Setting: