
Table of contents
Enclosed Drives
8Operating Instructions, 12/2018, A5E36652151A
4 Electrical installation ............................................................................................................................. 55
4.1 Chapter content...................................................................................................................... 55
4.2 Checklist for electrical installation .......................................................................................... 56
4.3 Important safety precautions.................................................................................................. 62
4.4 Introduction to EMC ............................................................................................................... 63
4.5 EMC-compliant design........................................................................................................... 65
4.6 Power connections................................................................................................................. 67
4.6.1 Cable lugs .............................................................................................................................. 68
4.6.2 Connection cross-sections, cable lengths ............................................................................. 69
4.6.3 Connecting shielded three-phase current cables .................................................................. 70
4.6.4 Connecting the motor and power cables ............................................................................... 70
4.6.5 Adjusting the fan voltage (-G1-T10, -T1-T10)........................................................................ 74
4.6.6 Adjusting the internal power supply (-T10) ............................................................................ 76
4.6.7 Removing the connection clip to the basic interference suppression module for
operation on an ungrounded supply system (IT system)....................................................... 77
4.6.8 Setting the circuit breaker ...................................................................................................... 82
4.7 External supply of the auxiliary incoming supply from a protected supply system................ 84
4.7.1 115 V AC auxiliary incoming supply....................................................................................... 85
4.8 Signal connections ................................................................................................................. 85
4.8.1 CU320-2 DP Control Unit....................................................................................................... 85
4.8.2 Customer terminal block ...................................................................................................... 102
4.8.2.1 Customer interface / shield connection................................................................................ 102
4.8.2.2 Customer terminal block (-A60) ........................................................................................... 104
4.8.2.3 Customer terminal block (-X65) (with option G65)............................................................... 106
4.8.2.4 Terminal descriptions........................................................................................................... 108
4.9 Additional connections ......................................................................................................... 114
4.9.1 Infeed module rated one level lower (option L04)................................................................ 115
4.9.2 dv/dt filter plus Voltage Peak Limiter (option L10) ............................................................... 120
4.9.3 Feeder for external auxiliaries / motor blower (option L17) ................................................. 124
4.9.4 Line filter monitoring (option L40) ........................................................................................ 125
4.9.5 Enclosure light with service socket (option L50).................................................................. 126
4.9.6 Enclosure space heater (option L55)................................................................................... 127
4.9.7 ALL STOP, coast to stop (option N55) ................................................................................ 128
4.9.8 EMERGENCY OFF category 0; 115 V AC or 24 V DC (option N57) .................................. 128
4.9.9 EMERGENCY STOP category 1; 115 V AC (option N59)................................................... 130
4.9.10 EMERGENCY STOP category 1; 24 V DC (option L60) ..................................................... 131
4.9.11 25 kW braking unit (option L61/L64); 50 kW braking unit (option L62/L65)......................... 132
4.9.11.1 Installing the braking resistor ............................................................................................... 132
4.9.11.2 Commissioning..................................................................................................................... 136
4.9.11.3 Diagnosis and duty cycles ................................................................................................... 137
4.9.11.4 Threshold switch .................................................................................................................. 137
4.9.12 Line-side surge arrester (option L96)................................................................................... 142
4.9.13 Insulation monitor (option L87) ............................................................................................ 142
4.9.14 Control power supply, 120 V AC, 5 A (option N70) ............................................................. 144
4.9.15 CBC10 CAN Communication Board (option G20) ............................................................... 146
4.9.16 Communication Board Ethernet CBE20 (option G33) ......................................................... 149