Encoder Connections; Serial Communications Connections; Screen Connections - Control Techniques Unidrive sp Kurzhandbuch

Safety Product Mechanical
Information Information Installation
that locates in the fork protruding from the heatsink between the AC supply and motor
output terminals.
On size 4 to 6, the supply and motor ground connections are made using M10 studs
located at the top and bottom of the drive near the input and output power connections.
See Figure 4-1 for details.
The ground loop impedance must conform to the requirements of local safety regulations.
The drive must be grounded by a connection capable of carrying the prospective fault
current until the protective device (fuse, etc.) disconnects the AC supply.
WARNING
The ground connections must be inspected and tested at appropriate intervals.
Figure 4-1 Ground connections
Supply
ground
0
Motor
ground
Plain washers
3
M6 bolt
4.3

Encoder connections

Refer to section 10.12 on page 301.
4.4

Serial communications connections

Refer to section 10.13 on page 302.
4.5

Screen connections

The following guidelines should be followed to ensure suppression of radio-
frequency emission and good noise immunity. It is particularly recommended that
the guidelines for the encoder cable be followed closely in order to avoid disturbance to
Unidrive SP Short Form Guide
Issue Number: 2
Electrical Getting
Menu 0
Installation Started
1
Spring washer
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Running Advanced
Diagnostics Appendix
the motor parameters
2
Supply
ground
4 5 6
Motor
ground
UL Listing
Information
15