ABB ACH480 Series - Page 7

54
Continuous motor cable shield/conduit or enclosure for equipment on the
motor cable ..................................................................................................
55Separate control cable ducts .......................................................................
55Implementing short-circuit and thermal overload protection ...............................
55Protecting the drive and input power cable in short-circuits .........................
55Protecting the motor and motor cable in short-circuits .................................
55
Protecting the drive, and the input power and motor cables against thermal
overload .......................................................................................................
56Protecting the motor against thermal overload ............................................
56
Protecting the motor against overload without thermal model or temperature
sensors .........................................................................................................
56Implementing a motor temperature sensor connection ......................................
57Protecting the drive against ground faults ..........................................................
57Residual current device compatibility ...........................................................
57Implementing the Emergency stop function ........................................................
58Implementing the Safe torque off function ..........................................................
58Using a safety switch between the drive and the motor .....................................
58Implementing the control of a contactor between drive and motor .....................
58Protecting the contacts of relay outputs ..............................................................
6 Electrical installation – IEC
61Contents of this chapter ......................................................................................
61Warnings .............................................................................................................
61Required tools .....................................................................................................
62Measuring the insulation .....................................................................................
62Measuring the insulation of the drive ...........................................................
62Measuring the insulation of the input power cable .......................................
62Measuring the insulation of the motor and motor cable ...............................
63Measuring the insulation of the brake resistor circuit ...................................
63Earthing system compatibility check – IEC .........................................................
64EMC filter .....................................................................................................
64Ground-to-phase varistor .............................................................................
64When to disconnect EMC filter or ground-to-phase varistor ........................
66Disconnecting the EMC filter or ground-to-phase varistor ...........................
66EMC/VAR screw location ..................................................................
67Guidelines for installing the drive to a TT system ........................................
67Identifying the earthing system of the electrical power network ...................
69Connecting the power cables – IEC (shielded cables) .......................................
69Connection diagram .....................................................................................
70Connection procedure ..................................................................................
72Connecting the control cables ............................................................................
72Default I/O connection diagrams (HVAC default) .........................................
74Default fieldbus connection diagram ............................................................
75Control cable connection procedure ............................................................
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