Installation manual

47
Electromagnetic compatibility, wiring
Installation diagram
ATV71H D18M3X to D45M3X, ATV71H D22N4 to D75N4 and ATV71H U22Y to D90Y
Attach and ground the shielding of cables 4 and 5 as close as possible to the drive:
- Strip the shielding.
- Use stainless steel metal clamps on the parts from which the shielding has been stripped, to attach them to the metal plate 2.
The shielding must be clamped tightly enough to the metal plate to ensure correct contact.
• Attach and ground the shielding of cables 6, 7 and 8 as close as possible to the drive:
- Strip the shielding.
- Use stainless steel metal clamps on the parts from which the shielding has been stripped, to attach them to the drive.
The shielding must be clamped tightly enough to the metal plate to ensure correct contact.
1 Altivar 71
2 Sheet steel grounded plate supplied with the drive
3 Metal clamps
4 Shielded cable for motor connection, with shielding connected to ground at
both ends. The shielding must be continuous and intermediate terminals must
be in EMC shielded metal boxes.
5 Shielded cable for connecting the braking resistor (if used). The shielding
must be continuous and intermediate terminals must be in EMC shielded
metal boxes.
6 Shielded cables for connecting the control-signal section. For applications
requiring several conductors, use cables with a small cross-section
(0.5
mm
2
- AWG 20).
7 Shielded cables for connecting the Power Removal safety function input.
The shielding must be continuous and intermediate terminals must be in
EMC
shielded metal boxes.
8 Shielded cables for connecting the encoder. The shielding must be
continuous and intermediate terminals must be in EMC shielded metal boxes.
9 Non-shielded wires for relay contact output
10 Protective ground connection
11 Unshielded power supply cable or wires
Note:
• If using an additional input filter, it should be installed under the drive and connected directly to the line supply via an unshielded cable.
Link 4 on the drive is then established via the filter output cable.
• The HF equipotential ground connection between the drive, motor and cable shielding does not remove the need to connect the
PE
protective conductors (green-yellow) to the appropriate terminals on each unit.
1
2
5
3
4
6
7
8
10
11
9