Toshiba TOSVERT VF-AS3 Instruction Manual page 473

Inverter type
VFAS3-4110KPC
VFAS3-4132KPC
VFAS3-4160KPC
VFAS3-4200KPC
VFAS3-4220KPC
VFAS3-4280KPC
(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.
Power supply wiring
(No shielded grounding needed)
[R/L1], [S/L2], [T/L3]
Conducted noise
Carrier IEC61800-3 category C2
frequency (EN55011 classB Group1)
<F300>
Length of motor connecting cable
(kHz)
2.5
2.5
2.5
2.5
2.5
2.5
Motor wiring
(Shielded grounding needed)
[U/T1], [V/T2], [W/T3]
9-3
IEC61800-3 category C3
(EN55011 classB Group1)
Length of motor connecting cable
(m)
-
-
-
-
-
-
Cable
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.
9. Measures to satisfy standards
E6582062
Conducted noise
(m)
150
150
50
50
50
50
Screws (x2)
Clamp
3
9