Lenze i700 Manual User Manual download pdf (Page 121)

DC−bus operation

EMC in DC−bus operation

Compliance with EMC category C2 (residential areas)

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121

EDS700ACBA EN 4.0

7.7.2 Compliance with EMC category C2 (residential areas)

Applications for the "first environment" in residential areas must comply with EMC

category C2.

Observe the conditions for the compliance with EMC category C2:

ƒ The permissible motor cable length is £ 50 m for each axis.

ƒ The maximum sum of all motor cable lengths (S l

mot

) must be observed.

ƒ Filters to be used:

– RFI filter E94AZRP...: 6 axes x 50 m = 300 m

– Mains filter E94AZMP...: 10 axes x 50 m = 500 m

If the number of axes deviates, S l

mot

can be determined from the following diagram.

C2-RFI

C2-MF

50 100 150 200 250 300 350 400 450 500

l [m]

mot

E70EMVCX001 a

Fig. 7−3 Motor cable lengths for the compliance with category C2

n Number of axes

S l

mot

Sum of the motor cable lengths ...

C2−RFI for E94AZRP... RFI filters, according to the number of axes

C2−MF for E94AZMP... mains filters, according to the number of axes

7.7.3 Assignment of filters

In order to comply with the EMC category C2, use filters adapted to the DC power supply

modules. Install the filters E94AZ... with the outgoing cable to the top in order that this

cable can be directly connected to the mains connection of the power supply module.

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Lenze i700 Manual User Manual Page 121