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Technical data 137
Input power-cycling and inrush
If AC power has been removed from the MicroFlex e150, it should remain
disconnected for the specified period before it is reapplied:
This delay allows the input surge protection circuit to perform correctly, ensuring that
the inrush current (typically 1.7 A) is below the drive rated current. Power-cycling the
drive more frequently could cause high inrush current and corresponding nuisance
operation of circuit breakers or fuses. Repeated failure to observe the delay period
could reduce the lifetime of the MicroFlex e150.
Discharge period
WARNING!
After AC power has been removed from the MicroFlex e150, high
voltages (greater than 50 V DC) can remain on the brake resistor connections
until the DC-bus circuitry has discharged. The high voltage can remain for the period
specified in the table below.
MicroFlex
e
150
current rating
Minimum power cycle delay period
(seconds)
3 A
25
6 A
45
9 A
65
MicroFlex
e
150
current rating
Time for DC-bus to discharge to 50 V or less
(maximum, seconds)
3 A
83
6 A
166
9 A
248
Содержание MicroFlex e150
Страница 1: ...ABB motion control User s manual MicroFlex e150 servo drive MN1961WEN ...
Страница 4: ......
Страница 20: ...20 Introduction to the manual ...
Страница 26: ...26 Hardware description ...
Страница 32: ...32 Mechanical installation ...
Страница 42: ...42 Planning the electrical installation ...
Страница 116: ...116 Start up ...
Страница 126: ...126 Fault tracing ...
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