Nidec DFS Series Power Installation Manual

50 DFS1/DFS2 Power Installation GuideIssue Number: 2Figure 4-9 Feedback cable – twisted pairFigure 4-10 Feedback cable connections4.22.5 Interruptions to the motor cableThe motor cable should ideally be a single length of shielded or armoured cable having nointerruptions. In some installations it may be necessary to interrupt the cable, as in the followingexamples:• Connecting the motor cable to a terminal block in the drive enclosure• Installing a motor isolator/disconnect switch for safety when work is being done on the motorTwistedpaircableTwisted pair shieldCableCable overall shieldCableCableshield TwistedpairshieldCableshieldTwistedpairshieldConnectionat motorConnectionat driveGround clampon shieldShieldconnectionto 0VShieldconnectionto 0V