
86Relay cable type ................................................................................
86Control panel cable length and type .........................................................
86Routing the cables .................................................................................
87Separate control cable ducts .................................................................
87Continuous motor cable shield or enclosure for equipment on the motor cable ......
87Implementing thermal overload and short-circuit protection .................................
87Protecting a drive and input power cable in short-circuits ................................
88Protecting the motor and motor cable in short-circuits ....................................
88Protecting the drive and the power cables against thermal overload ...................
88Protecting the motor against thermal overload .............................................
88Protecting the drive against ground faults ......................................................
88Residual current device compatibility ........................................................
89Implementing the emergency stop function ....................................................
89Implementing the Safe torque off function .....................................................
89Implementing the Prevention of unexpected start-up function ..............................
89
Implementing the functions provided by the FSO-xx safety functions module (option
+Q972 or +Q973) ..................................................................................
90Implementing the Power-loss ride-through .....................................................
90Units with main contactor (option +F250) ...................................................
90Implementing a bypass connection .............................................................
91Supplying power for the auxiliary circuits .......................................................
91Using power factor compensation capacitors with the drive .................................
91Implementing a safety switch between the drive and the motor ............................
91Protecting the contacts of relay outputs ........................................................
92Connecting a motor temperature sensor to the drive I/O ....................................
93Drive I/O, I/O extension and encoder interface modules .................................
6 Electrical installation
95Contents of this chapter ...........................................................................
95Warnings ............................................................................................
95Checking the insulation of the assembly .......................................................
95Drive ..............................................................................................
95Input cable .......................................................................................
95Motor and motor cable .........................................................................
96Custom brake resistor assembly .............................................................
96Checking the compatibility with IT (ungrounded) systems ...................................
96Attaching the device stickers to the cabinet door .............................................
96Checking the settings of transformers T21, T101 and T111 .................................
97T21 and T101 tap settings (400…500 V units) .............................................
97T21 and T101 tap settings (690 V units) ....................................................
98T111 tap settings ...............................................................................
99Connecting the control cables ...................................................................
99Control cable connection procedure .........................................................
100Grounding the outer shields of the control cables at the cabinet lead-through ....
102Routing the control cables inside the cabinet ...........................................
103Connecting to the inverter control unit (A41) ...........................................
104Connecting a 230/115 V AC auxiliary voltage supply (UPS, option +G307) .......
104
Connecting the emergency stop push buttons (options +Q951, +Q952, +Q963,
+Q964, +Q978,+Q979) ....................................................................
104Wiring the starter for auxiliary motor fan (options +M602…+M610) .................
105Wiring the PTC thermistor relay(s) (options +L505, +2L505, +L513 and +2L513) .
106Wiring the Pt100 relays (option +nL506) ................................................
8 Table of contents