Control Techniques SM-Resolver - Page 14

14 SM-Resolver User Guide
www.controltechniques.com Issue Number: 4
4.4.2 Compliance with generic emission standards
In this case the outer cable shield must be clamped to ground at the drive end using the
grounding bracket, as shown in the EMC section of the Unidrive SP User guide. It is
recommended that the overall shield is not connected to 0V.
Figure 4-5 Shielding for compliance with generic emission standards
4.4.3 Recommended cable
The recommended cable for feedback signals is a twisted pair, shielded with an overall
shield type as shown below.
Figure 4-6 Feedback Cable, Twisted Pair
Cable
Cable
shield
Twisted
pair
shield
Cable
shield
Twisted
pair
shield
Connection at
SM-Resolver
Twisted pair
shield only
connected
to 0V
Resolver
Grounding
bracket
Overall shield clamped
to ground using the
g
roundin
g
bracket
Twisted
pair
cable
Twisted
p
air shield
Cable
Cable overall shield
Ensure that feedback cables are kept as far away as possible from power cables and
avoid parallel routing.
NOTE