6 overcurrent operation, Overcurrent operation, Single-axis controllers – Lenze 9400 Manual User Manual

Page 68

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Single-axis controllers

Rated data (devices for 400/500V mains)

Overcurrent operation

4

68

EDS94SPP101 EN 7.1

4.3.6

Overcurrent operation

The controllers are designed for two overcurrent modes:

ƒ

5-s-cycle c
– 0.5 s load period with peak current 
– 4.5 s recovery time with limited current 

ƒ

3-min cycle d
– 1 min load period with peak current 
– 2 min recovery time with limited current 

A load period must be followed by a recovery time. During the recovery time the current

must not exceed the value given.
The values given refer to the rated output current I

aN8

.

t

0

100

2

0

1

I

[%]

aN8

3

0.5 s

4.5 s

1 min

2 min



‚

9400SSP008

Fig. 4-1

Overcurrent capacity at 45° C

 Peak current for 0.5 s

c

5-s cycle

 Max. current in the recovery time for 4.5 s

Peak current for 1 min

d

3-min cycle

 Max. current in the recovery time for 2 min

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