ABB ACH480 - Page 7

56General guidelines – North America ..............................................................
57
Continuous motor cable shield/conduit and metal enclosure for
equipment on the motor cable .......................................................................
58Separate control cable ducts ..........................................................................
58Implementing short-circuit and thermal overload protection ........................
58Protecting the drive and input power cable in short-circuits ..................
58Protecting the motor and motor cable in short-circuits ..........................
59
Protecting the drive, and the input power and motor cables against
thermal overload ...............................................................................................
59Protecting the motor against thermal overload ........................................
59
Protecting the motor against overload without thermal model or
temperature sensors ........................................................................................
60Implementing a motor temperature sensor connection .................................
60Protecting the drive against ground faults .........................................................
60Residual current device compatibility ..........................................................
60Implementing the Emergency stop function ......................................................
61Implementing the Safe torque off function ........................................................
61Using a safety switch between the drive and the motor .................................
61Implementing the control of a contactor between drive and motor .............
61Protecting the contacts of relay outputs ............................................................
6 Electrical installation – IEC
63Contents of this chapter .........................................................................................
63Required tools ...........................................................................................................
64Measuring the insulation resistance - IEC ...........................................................
64Measuring the insulation resistance of the drive .......................................
64Measuring the insulation resistance of the input power cable ...............
64Measuring the insulation resistance of the motor and motor cable ......
65Measuring the insulation resistance of the brake resistor circuit ..........
65Grounding system compatibility check – IEC .....................................................
65EMC filter ............................................................................................................
66Ground-to-phase varistor ................................................................................
66
Compatibility of EMC filter and ground-to-phase varistor with the
grounding system .............................................................................................
68Disconnecting the EMC filter or ground-to-phase varistor ......................
68EMC/VAR screw location .....................................................................
69Guidelines for installing the drive to a TT system ......................................
69Identifying the grounding system of the electrical power network .......
71Connecting the power cables – IEC (shielded cables) ......................................
71Connection diagram .........................................................................................
72Connection procedure .....................................................................................
74Connecting the control cables - IEC .....................................................................
74Default I/O connection diagrams (HVAC default) ......................................
76Default fieldbus connection diagram ...........................................................
77Control cable connection procedure .............................................................
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