Toshiba TOSVERT VF-AS3, Instruction Manual

Page: 473 / 622

E6582062 
9-3
9. Measures to satisfy standards
3
9
(2) Examples of measures to comply with EMC Directive
The following are measures to comply with the EMC Directive when you use 480V class
products of VF-AS3 by installing it in other machines and systems.
• Examples of general measures
• When adding an EMC filter for further reduction of noise
• Measures for operation with external signals
The following are general EMC measures explained concretely.
VFAS3-4110KPC 2.5 - 150
VFAS3-4132KPC 2.5 - 150
VFAS3-4160KPC 2.5 - 50
VFAS3-4200KPC 2.5 - 50
VFAS3-4220KPC 2.5 - 50
VFAS3-4280KPC 2.5 - 50
Inverter type
Carrier
frequency
<F300>
Conducted noise
IEC61800-3 category C2
(EN55011 classB Group1)
Conducted noise
IEC61800-3 category C3
(EN55011 classB Group1)
Length of motor connecting cable Length of motor connecting cable
(kHz) (m) (m)
Power supply wiring
(No shielded grounding needed)
[R/L1], [S/L2], [T/L3] Motor wiring
(Shielded grounding needed)
[U/T1], [V/T2], [W/T3]
When the shielded wires need grounding,
modify before installing as shown in the
figure below.
Peel off the outer sheath of the cable
and fix the shielded part with a clamp.
Cable
Screws (x2)
Clamp