Publication 2098-IN003E-EN-P — April 2004
1-14 Installing Your Ultra3000
Observe the following guidelines when installing your 1756-MxxSE
SERCOS interface module (refer to Figure 1.8 for zone locations).
• The clean zone (C) is beneath the less noisy modules (I/O, analog,
encoder, registration, etc. (grey wireway).
• The dirty zone (D) is above and below the power supply and
noisy modules (black wireway).
• The SERCOS fiber-optic cables are immune to electrical noise.
Figure 1.8
Establishing Noise Zones (ControlLogix)
Cable Categories for the Ultra3000
The table below indicates the zoning requirements of cables
connecting to the Ultra3000.
(1)
D
D
C
EMC
Filter
Spare Slot(s)
Dirty Wireway
Clean Wireway
Route dirty wireways directly above the ControlLogix rack
(shielded by the chassis)
EMC filter/power supply
connections segregated
(not in wireway)
Dirty I/O
(24V dc I/O, AC I/O)
Clean I/O
(Analog, Encoder
Registration, etc.)
Wire/Cable Connector
Zone Method
Very
Dirty
Dirty Clean
Ferrite
Sleeve
Shielded
Cable
DC-/DC+
TB1
X
L1, L2, L3 (shielded cable) X X
L1, L2, L3 (unshielded cable) X
U, V, W (motor power) X X
Registration Wiring CN1 X X
Other 24V Wiring CN1 X
Motor Feedback CN2 X X
Serial Communications CN3 X X
Fiber-Optic Rx and Tx No Restrictions
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