Rockwell Automation DC3E Non-Regenerative DC Drive User Guide 1/4 - 2 HP, 115/230 VAC - Manual (Page 87)

79 CECompliance
Exhibit “A”
In addition to EMI/RFI safeguards inherent in the DC3N
series’ design, external filtering is required.
Reliance Electric requires the Corcom® filters listed in
Table 4. If the exact filter is not available, the
specifications are as follows:
L = (1.73 + 0.03) milliHenries.
C = (0.27 + 0.54) microFarads (X); 0.0055
microFarads (Y).
R = 330Kohms.
Rated current: 1.4 times maximum DC motor current.
Filter type: Balanced 2-section.
Table 5. Corcom® Filters
Nameplate Current of
Motor Wired
Corcom© Filter
to the Drrive Part Number
0 to 4 amps 6VV1
4.1 to 13 amps 20VV1
The filters in Table 5 must be wired to the AC output of
the drive, as close to the drive as possible. The ground
connection from the filter must be wired to solid earth
ground (resistance less than 500 ohms); not machine
ground. This is very important!
250-0287-rev2.qxd 3/12/01 10:27 AM Page 79