9
9.4. External RFI filter
To conform to EMC standards, external RFI-filter is necessary to use.
RFI - filter is located in the separate cubicle with enclosure IP 44 or IP00 (on request) or IP20
Dimensions:
• EMC emission according to EN 50 081-1, ČSN EN 55 011/B1:
FIA-L18 ÷ 75 : - enclosure IP00: 92 x
60 x 49 mm
FIA-L18 ÷ 75 : - enclosure IP44: 160 x 90 x 70 mm
FIA-L110 ÷ 220 : - enclosure IP00: 92 x 60 x 56 mm
FIA-L110 ÷ 220 : - enclosure IP44: 160 x 90 x 70 mm
FIA-L250 : - enclosure IP20: 138 x 56 x 50 mm
• EMC emission according to EN 50 081-2, ČSN EN 55 011/A1:
FIA-L250 : - enclosure IP20: 138 x 56 x 50 mm
9.4.1. Installation
To install the filter, follow the instructions in FIG 4
FIG 4
The filter cubicle is necessary to install near of the drive.
NOTE: Connections must be made with the short length of screened cables. If these cables are
altered in any way the filter will operate, but compliance with any emission standard is
no longer assured.
Input cable into the filter (filtered cable) and no control circuit should be run parallel to an unscreened
motor cable or unfiltered supply cable with a spacing less than 0,3 m and over a distance exceeding 1m.
9.5. PI controller: refer to user manual for the speed drive FRECON FIA-L/PI
9.6. Output frequency range extension : With spec. software is possible to extend output
frequency range up to 500 Hz (on request)
9.7. Motor line choke
filter cubicle
keep cables as
short as possible
2,5 mm
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