Delta Electronics MVF2000 Series, Product Manual

Page: 46 / 136

Table 4-23 Input power loss
ID Parameter Min Max Unit Default Description
P0484
Voltage threshold of
input power loss
100 900
‰
700
Thousanth ratio of
rated input voltage
P1332
Delay time of input
power loss detection
0 65535 ms 500
P1333
Incoming time of
input voltage
0 65535 s 0

If the voltage values of input three phases are all lower than voltage threshold of input
power loss(P0484),
and MCB is still closed after the delay time
(P1332)
，
input power loss
fault is generated.
Table 4-24 Input under voltage
ID Parameter Min Max Unit Default Description
P1103
Fault action
configuration: Input
Under Voltage
0 8 1
P1253
Fault duration time:
Input Under Voltage
0 65535 ms 500
P0047
Threshold of input
under voltage
10 100 % 90
Percentage of rated
input voltage

While MCB is close, if the RMS value of three phase input voltage is lower than
threshold of input under voltage(P0047) in a duration time of P1253, input under voltage
fault is generated.
Table 4-25 Input over voltage
ID Parameter Min Max Unit Default Description
P1254
Fault duration time:
Input Over Voltage
0 65535 ms 0
P0054
Threshold of input
over voltage
100 120 % 110
Percentage of rated
input voltage

While MCB is close, if the RMS value of three phase input voltage is higher than
threshold of input over voltage(P0054) in a duration time of P1254, input over voltage
fault is generated.
Table 4-26 Input grounding
ID Parameter Min Max Unit Default Description
P1105
Fault action
configuration: Input
Grounding
0 8 7
P1255
Fault duration time:
Input Grounding
0 65535 100ms 50
P0877
Voltage threshold of
input grounding
0 100 % 70

If one phase of the input voltage is grounded in a duration time of P1255, input
grounding fault is generated.