Appendix 2 Common EMC Problems and Solutions
‑153‑
No.
Measure
3
Connect the PE terminal of the drive to the PE terminal of the mains power
supply.
4
Add an equipotential bonding grounding cable between the host controller and
drive (see
).
5
Separate signal cables from power cables with a distance of at least 30 cm.
6
Install the ferrite clamp or wind the magnetic ring on the signal cable by one or
two turns. (see
2.3.4 Instructions for Installing Magnetic Ring and Ferrite
).
7
Install the magnetic ring on the output side (UVW) of the drive by two to four
turns (see
2.3.4 Instructions for Installing Magnetic Ring and Ferrite Clamp
).
8
Use shielded power cables and ground the shield properly.
6.3.2 I/O Signal Interference
The drive generates strong interference during operation. Although EMC measures are
taken, interference may still exist due to improper wiring or grounding during use.
When the drive disturbs or is disturbed by other devices, adopt the following
measures.
No.
Measure
1
Use shielded I/O signal cables with the shield connected to the PE terminal. For
details, see
3.8.1 Wiring of I/O Signal Cables
2
Connect the PE terminal of the motor to the PE terminal of the drive, and connect
the PE terminal of the drive to the PE terminal of the mains power supply.
3
Add an equipotential bonding grounding cable between the host controller and
drive (see
).
4
Install the magnetic ring on the output side (UVW) of the drive by two to four turns
(see
2.3.4 Instructions for Installing Magnetic Ring and Ferrite Clamp
).
5
Increase the capacitance of the capacitor for low‑speed DIs. A capacitance up to
0.1 uF is recommended, as shown in
Figure 6–2 I/O signal cables with capacitance
6
Increase the capacitance of the capacitor between AI and GND. A capacitance up to
0.22 uF is recommended.
7
Install a ferrite clamp or wind a magnetic ring on the signal cable by one or two
turns. (see
2.3.4 Instructions for Installing Magnetic Ring and Ferrite Clamp
).
8
Use shielded power cables and ground the shield properly.
Summary of Contents for SV660P Series
Page 1: ...SV660P Series Servo Drive Hardware Guide Data code 19011391 A00...
Page 55: ...Installation 54 Figure 2 21 Installing the ferrite clamp...
Page 111: ...Wiring 110 Open collector mode For use of the internal 24 V power supply of the servo drive...
Page 113: ...Wiring 112 Scheme 2 Using the external resistor...
Page 144: ...Maintenance 143...