Cable Separation Distance; Installations According To European Directive Of; Electromagnetic Compatibility; Control Connections - WEG CFW300 Manual Del Usuario

Inverter
side
4. Relays, contactors, solenoids or coils of electromechanical brake installed close to the inverters
may occasionally generate interference in the control circuitry. To eliminate this effect, RC
suppressors (with AC power supply) or freewheel diodes (with DC power supply) must be
connected in parallel to the coils of these devices.
5. When using the external HMI (refer to
that connects to the inverter must be separated from the other cables in the installation,
keeping a minimum distance of 10 cm (3.95 in).

3.2.6 Cable Separation Distance

Provide separation between the control and the power cables according to
Output Rated Current
of the Inverter
3.3 I N S TA LL ATI O N S ACCO R D I N G TO E U RO PE A N D I R ECTI V E O F

ELECTROMAGNETIC COMPATIBILITY

The CFW300 inverters feature external RFI filter to reduce electromagnetic interference (refer to
Chapter 7 ACCESSORIES on page
requirements of the electromagnetic compatibility (EMC) directive (2014/30/EU).
These inverters were developed for professional applications only. Therefore, the limits for
emission of harmonic currents established by the EN 61000-3-2 and EN 61000-3-2/A 14
standards are not applicable.

3.3.1 Control Connections

1. Shielded output cables (motor cables) with the shield connected at both ends, motor and
inverter, with low-impedance connection for high frequency.
Maximum motor cable length and conducted and radiated emission levels according to
B5 on page 137.
2. Shielded control cables, and keep them away from other cables according to
page 23.
3. Grounding of the inverter according to instructions of item
on page 21.
Figure 3.4: Shield connection
Chapter 7 ACCESSORIES on page
Table 3.2: Separation distance between cables
Cable Length
≤ 100 m (330 ft)
≤ 24 A
> 100 m (330 ft)
37). Those inverters, when properly installed, meet the
Installation and Connection
Insulate with tape
Do not ground
37), the cable
Table 3.2 on page
Minimum Separation
Distance
≥ 10 cm (3.94 in)
≥ 25 cm (9.84 in)
Item 3.2.4 Grounding Connections
CFW300 | 23
23.
Table
Table 3.2 on