Gram IF 4000 Manual De Uso página 316

Essential Requirements for CE Compliance
Conditions 1-3 listed below must be satisfied for PowerFlex drives to
meet the requirements of EN61800-3.
1. Grounding as described in
additional grounding recommendations.
2. Output power, control (I/O) and signal wiring must be braided,
shielded cable with a coverage of 75% or better, metal conduit or
equivalent attenuation.
3. Allowable cable length in
Table 1.I Allowable Cable Length
Filter Type EN61800-3 First Environment
Restricted Distribution or
Second Environment
Integral 10 meters (33 feet)
(1)
10 meters (33 feet)
External - S Type
(1)
External - L Type 100 meters (328 feet)
(1)
Refer to Appendix B
(2)
Equivalent to EN55011 Class A.
(3)
Equivalent to EN55011 Class B.
Figure 1.6 Connections and Grounding
Shielded Enclosure (1)
(2)
EMI Filter
L1 L1'
L2 L2'
L3 L3'
Enclosure Ground Connection
Building Structure Steel
(1)
First Environment Unrestricted Distribution installations require a shielded enclosure.
Keep wire length as short as possible between the enclosure entry point and the EMI
filter.
(2)
Integral EMI filters are available on 240V, 1-Phase drives.
Figure
Table 1.I
(2)
for details on optional external filters.
R/L1
S/L2
T/L3
Shielded Motor Cable
Installation/Wiring
1.6. Refer to page 1-5
is not exceeded.
EN61800-3 First Environment
Unrestricted Distribution
1 meter (3 feet)
1 meter (3 feet)
5 meters (16 feet)
IP 30/NEMA 1/UL Type 1
Option Kit
EMI Fittings and Metal Conduit
U/T1
V/T2
W/T3
1-23
for
(3)