Delta VFD-B Series - Page 133

Chapter 5 Parameters|VFD-B-P Series
5-68 Revision April 2009, SW V1.00
 The parameter determines the time required for activating the I
2
t electronic thermal protection
function. The graph below shows I
2
t curves for 150% output power for 1 minute.
1
2
3
4
5
60Hz or more
50Hz
10Hz
5Hz
0
20
40
60
80
100
120
140
160
180 200
Operation
time(min)
Load
factor (%)
06 - 08 Present Fault Record
06 - 09 Second Most Recent Fault Record
06 - 10 Third Most Recent Fault Record
06 - 11 Fourth Recent Fault Record
Factory Setting: 00
Readings 00 No fault
01 Over-current (oc)
02 Over-voltage (ov)
03 Overheat (oH)
04 Overload (oL)
05 Overload1 (oL1)
06 External fault (EF)
07 IGBT protection (occ)
08 CPU failure (cF3)
09 Hardware protection failure (HPF)
10 Current exceeds 2 times rated current during accel.(ocA)
11 Current exceeds 2 times rated current during decel.(ocd)
12 Current exceeds 2 times rated current during steady state operation
(ocn)
13 Ground fault (GFF)
14 Reserved
15 CPU READ failure (CF1)