Rockwell Automation 1336T Wiring and Grounding Guide, (PWM) AC Drives - Manual (Page 138)

138 Rockwell Automation Publication DRIVES-IN001M-EN-P - March 2014
Index
conduit 67
cable connectors 60
common mode noise 76
entry 60
entry plates 60
magnetic steel 67
pulling wires 67
PVC 67
stainless steel 67
connections, ground 61
contact arcing 77
contacts 77
contained noise path 54
control terminal 71
control wire 21
ControlNet 23
corona 73
corona inception voltage 74
cumulative ground current 27
D
Data Highway 24
DC bus wiring guidelines 46
Delta/Delta with Grounded Leg 26
Delta/Wye with Grounded Wye 25
DeviceNet 22
DH+ 24
dielectric constants 73 , 74
discrete drive I/O, cable 21
distribution
Delta/Delta with Grounded Leg 26
Delta/Wye with Grounded Wye 25
high resistance ground 27
TN-S five-wire system 28
ungrounded secondary 27
documentation 9
E
electrical noise 75
electromagnetic interference (EMI)
causes 77
mitigating 77
preventing 77
EMC, installation 58
EMI caused by fluorescent lamps 80
EMI coupling 76
encoder cable 21
Encompass
partners 10
website 10
European-style cable 19
F
filter, RFI 50
fluorescent lamps and EMI 80
G
gauge 13
geometry 14
glands 60
ground current, cumulative 27
Grounded
Delta/Delta 26
Delta/Wye 25
grounding 49
acceptable practices 53
best practices 57
building steel 49
connections 61
effective practices 54
fully grounded system 53
high resistance system 52
motors 50
optimal practices 54
PE 50
practices 53
RFI filter 50
safety 49
TN-S fivewWire 50
ungrounded 52
grounding practices 54
grounds, noise related 51
I
I/O cable, discrete drive 21
impedance 28
equations 29
multiple drives 43
reactor 28
inductive loads, noise 77
inductors, built in 29
input power cables 19
inputs, isolated 55
installation
best practices 57
EMC-specific 58
layout 58
insulation 11 , 14 , 19 , 20 , 21 , 67 , 71 , 73
insulation degradation 73
intended audience 9
isolation transformer 45
L
layout, installation 58
leg-to-leg voltage 50
leg-to-neutral voltage 50
length
common mode noise 76
motor cable 20
restrictions 74
length restrictions 81
lighting, noise 80