ABB ACS580-04 - Page 8

89General guidelines – North America .......................................................
90
Continuous motor cable shield/conduit or enclosure for equipment on the
motor cable ....................................................................................
90Separate control cable ducts ...............................................................
91
Implementing motor and motor cable short-circuit and thermal overload
protection ..........................................................................................
91Protecting the motor and motor cable in short-circuits .............................
91Protecting the motor cables against thermal overload ..............................
91Protecting the motor against thermal overload .......................................
92
Protecting the motor against overload without thermal model or temperature
sensors ..........................................................................................
92Protecting the drive and input power cable in short-circuits ...........................
92Circuit breakers ...............................................................................
93Tested circuit breakers ...................................................................
93Protecting the drive against thermal overload .........................................
93Protecting the input power cable against thermal overload ........................
93Protecting the drive against ground faults .................................................
93Residual current device compatibility ....................................................
93Implementing the emergency stop function ...............................................
93Implementing the Safe torque off function .................................................
93Implementing the power loss ride-through function .....................................
94Using power factor compensation capacitors with the drive ..........................
95Using a safety switch between the drive and the motor .................................
95Implementing an ATEX-certified motor thermal protection ............................
95Controlling a contactor between drive and motor ........................................
96Implementing a bypass connection ..........................................................
96Example bypass connection ................................................................
97Switching the motor power supply from drive to direct-on-line ................
97Switching the motor power supply from direct-on-line to drive ................
97Protecting the contacts of relay outputs ....................................................
98Implementing a motor temperature sensor connection .................................
98
Connecting a motor temperature sensor to the drive through an option mod-
ule ................................................................................................
8 Electrical installation
101Contents of this chapter ........................................................................
101Safety ...............................................................................................
101Grounding the motor cable shield at the motor end ......................................
102Measuring the insulation ........................................................................
102Measuring the insulation resistance of the drive ......................................
102Measuring the insulation resistance of the input power cable ......................
102Measuring the insulation resistance of the motor and motor cable ...............
102Measuring the insulation resistance of the brake resistor circuit ..................
103Grounding system compatibility check – IEC, not North America .....................
103EMC filter compatibility .....................................................................
103Ground-to-phase varistor compatibility .................................................
104Grounding system compatibility check – North America ................................
104EMC filter compatibility .....................................................................
104Ground-to-phase varistor compatibility .................................................
105Connecting the power cables ..................................................................
105Power cable connection diagram ..........................................................
106Preparing the cable ends – Symmetrical shielded cables ............................
8 Table of contents