Allen-Bradley CENTERLINE 2100 Instruction manual

Technical Data
CENTERLINE 2100 Motor Control Center with IntelliCENTER
Technology Using an EtherNet/IP Network
Bulletin 2100
Topic Page
About This Publication 2
IntelliCENTER Motor Control Center with EtherNet/IP Network Overview 3
IntelliCENTER MCC with EtherNet/IP System Architecture and Connections 5
Industrial Ethernet Switch 5
Industrial Ethernet Cable 8
24V DC Power Supply 10
EtherNet/IP Network and 24V DC Connections 12
EtherNet/IP Network and 24V DC Connections Within a Shipping Split 12
EtherNet/IP Network and 24V DC Connections Across Shipping Splits 17
Cable Labels for MCC Lineups with Industrial Ethernet Switches 24
Ethernet Cable Transitions for MCC Lineups with Homerun Connections 25
Plant-wide Connections 27
EtherNet/IP Network Topology 29
New IntelliCENTER EtherNet/IP MCC Lineup Commissioning 31
IntelliCENTER EtherNet/IP MCC Expansion 31
Adding EtherNet/IP IntelliCENTER Sections to an Existing Lineup 32
Adding or Rearranging EtherNet/IP IntelliCENTER Plug-in Units Within an Existing
Lineup 33
IntelliCENTER EtherNet/IP Software 35
MCC Commissioning Checklist 36
Additional Resources 39

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Summary of Changes
This publication contains new and updated information as indicated in the following table.
About This Publication
This document is for engineers or technicians directly involved in the installation, connection, commissioning,
energizing, and maintenance of the CENTERLINE® 2100 Motor Control Center (MCC) with EtherNet/IP™ network.
See MCC Commissioning Checklist prior to applying power to the MCC.
This document provides the following information about CENTERLINE 2100 MCCs with EtherNet/IP network:
•System architecture
•Factory installed components
•EtherNet/IP network connections
•24V DC power connections commissioning
•Expansion of the existing lineup
•Integration of the EtherNet/IP network into your plant-wide network
If you do not have a basic understanding of the CENTERLINE 2100 MCC with EtherNet/IP network system architecture,
see the IntelliCENTER EtherNet/IP Motor Control Centers Reference Manual, publication MCC-RM001.
This table defines abbreviations that are used in this manual.
Topic Page
Updated information about the 24V DC power supply. 10
Updated the Integrated 24V DC power layout example 33…34
Table 1 - Terminology
Abbreviation Full Term Definition
MCC Motor Control Center An assembly of one or more enclosed sections that contains motor control units and have a common
power bus.
IMC Intelligent Motor Control Motor Control devices that can connect to a communication network.
ODVA Open DeviceNet Vendors Association Organization that standardizes communication networks that use CIP among other technologies.
CPwE Converged Plantwide Ethernet Rockwell Automation and Cisco initiative to standardize Ethernet network implementation across
the manufacturing and enterprise networks.
REP Resilient Ethernet Protocol Redundant network topology/feature in the Stratix¥5700 switch.
DHCP Dynamic Host Configuration Protocol Networking protocol that is used to distribute network parameters such as IP addresses to connected
devices.

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IntelliCENTER Motor Control Center with EtherNet/IP Network Overview
The IntelliCENTER® EtherNet/IP MCC couples the reliability of the CENTERLINE 2100 MCC with robust
EtherNet/IP network, Intelligent Motor Control (IMC) devices, and intuitive IntelliCENTER software to deliver an
effective and integrated motor control solution.
The IntelliCENTER EtherNet/IP MCC is an assembly of one or more enclosed vertical sections that are powered by a
common power bus. Each section can contain multiple intelligent motor control units. The MCC assembly has two
types of unit construction:
•Plug-in unit construction:
Units that can be inserted and removed from an MCC section. Plug-in units typically have a lower current
capacity than frame-mounted units.
•Frame-mount unit construction:
Units that are built with frame-mounted construction are permanently mounted to an MCC section and cannot
be inserted or removed. Frame-mounted units typically have a higher current capacity than plug-in units.
The MCC section can have two types of built-in wireways where the wiring connections are made inside the MCC
enclosure. The built-in wireways typically contain the following components, which could vary based on customer
requests. See the MCC one-line drawing included with your MCC for actual MCC setup:
•Top and bottom horizontal wireways can contain the following:
–Motor cable routings
–Stratix 5700 industrial Ethernet switch
–Industrial Ethernet cable routings
–24V DC power supply wiring
•Vertical wireways are typically seen in sections with plug-in unit construction and can contain the following:
–Wireway adapters for the EtherNet/IP network and 24V DC power that provide easy connections for IMC
devices
–Industrial Ethernet cable routings
•Motor cable routings
–24V DC power supply wiring
The MCC section can have two different industrial Ethernet switch mounting locations:
•Top or bottom horizontal wireway-mounted Stratix 5700 switches
–One Stratix 5700 switch per switch group
–A switch group is composed of all sections, and Ethernet devices within those sections that are connected to a
given Stratix 5700 switch
–The standard switch group cannot exceed 9 sections or 8 intelligent device connections in that switch group for
horizontal wireway-mounted switches
•Top or bottom unit-mounted Stratix 5700 switches
–One or two Stratix 5700 switches per switch group
–A switch group is composed of all sections, and Ethernet devices within those sections that are connected to a
given Stratix 5700 switch unit
–The standard switch group cannot exceed 9 sections or 24 intelligent device connections in that switch group
for unit-mounted switches

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CENTERLINE 2100 Motor Control Center with IntelliCENTER Technology Using an EtherNet/IP Network
Figure 1 - Example of a CENTERLINE 2100 Motor Control Center with IntelliCENTER Technology
The EtherNet/IP network is an industrial version of an Ethernet network. IntelliCENTER EtherNet/IP MCCs use the
EtherNet/IP network to connect IMC devices in your application. The EtherNet/IP network provides excellent
reliability and a robust network solution for your entire factory from the control room to the MCC. The integrated
EtherNet/IP network within your IntelliCENTER MCC is preconfigured, tested, and validated at the factory before
shipment. The EtherNet/IP network integrates with current IT networks and lets you collect data to determine plant
production, energy efficiency, and other key performance indicators and metrics.
The EtherNet/IP network can accommodate a vast number of nodes and unlike other fieldbus networks has no specific
node maximum. The limit varies based on the number of connections the EtherNet/IP scanner can make within the
controller application, and the network topology that is implemented. The number of connections that are used by each
node varies. To estimate the number of connections an Ethernet network uses, see the Advanced EtherNet/IP capacity
tool embedded in the Integrated Architecture® Builder (IAB) software
http://raiseinstall.rockwellautomation.com/pst-lite.html.
See the IntelliCENTER EtherNet/IP Reference Manual, publication MCC-RM001, for detailed information on the
EtherNet/IP network and the IntelliCENTER MCC system.
IMPORTANT You must choose one industrial Ethernet switch mounting methodology per MCC lineup. For example, if you choose to have
your industrial Ethernet switch mounted in the horizontal wireway, all of the sections within that MCC lineup must have the
industrial Ethernet switch mounted in the same horizontal wireway.
Top Horizontal Wireway
Vertical Wireway
Bottom Horizontal Wireway
Section
Unit
Unit

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IntelliCENTER MCC with EtherNet/IP System Architecture and Connections
The IntelliCENTER EtherNet/IP MCC system architecture is composed of a physical infrastructure that enables the
appropriate network layout and topology for MCC applications. The physical infrastructure consists of industrial
Ethernet switches, industrial Ethernet cables, integrated 24V DC power, and IMC device connections. This section
focuses on these topics and describes how your IntelliCENTER EtherNet/IP MCC is shipped from the factory.
Industrial Ethernet Switch
The IntelliCENTER EtherNet/IP MCC is designed with Stratix 5700 Layer 2 managed switches. The Stratix 5700
switch is an industrial Ethernet switch that provides a range of advanced features. With the managed switch, the
IntelliCENTER EtherNet/IP MCC connects to the plant-wide EtherNet/IP network providing excellent reliability and
a robust connection. The benefits of the Stratix 5700 managed switch are explained in detail in the IntelliCENTER
EtherNet/IP Reference Manual, publication MCC-RM001.
The Stratix 5700 switches are factory-configured with customer defined IP addresses and subnet masks that are provided
at order entry. All network connections are tested and validated during the system level test at the factory, before
shipping.
MCC sections that use a Stratix 5700 switch to connect to IMC devices can come configured with 6-port, 10-port,
20-port, or 30-port (combination of 10-port and 20-port switches) switch options. The Stratix switch can be wireway-
mounted or unit-mounted. Unit-mounted switches can be 0.5 or 1.0 space factor depending on the chosen port capacity.
The type of Stratix switch that is installed in the IntelliCENTER MCC depends on the quantity and type of intelligent
units that are installed and customer preference. See Tabl e 2 for the Stratix switch types and locations available for the
IntelliCENTER EtherNet/IP MCC.
Each Stratix 5700 switch uses copper Ethernet ports for IMC device-to-switch connections and either two copper
Ethernet ports or two combination Ethernet ports for switch-to-switch connections (varies by Stratix 5700 model).
Combination ports support either fiber-optic or copper Ethernet connections. The standard design uses copper
connections for switch-to-switch connections. See the Industrial Ethernet Cable section for more information on when
to consider using fiber for switch-to-switch connections.
Table 2 - Available Switch Port Capacities for Stratix 5700 Switches Within the IntelliCENTER EtherNet/IP MCC
Switch Location Stratix 5700 Port Capacities Space Factor Total Ethernet Port Capacity Ethernet Device
Connection Capacity
Switch-to-switch
Connection Capacity
Unit mounted 6-port switch 0.5 Space Factor 6 4 2
1.0 Space Factor
10-port switch 0.5 Space Factor 10 8 2
1.0 Space Factor
20-port switch 1.0 Space Factor 20(1)
(1) The 20-port switch includes two dedicated SFP ports that are not used in the standard IntelliCENTER MCC design.
16 2
Combination 10-port and 20-
port switches
30(1) 24 2
Wireway mounted 6-port switch N/A 6 4 2
10-port switch 10 8 2

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Figure 2 - Stratix 5700 Switch Examples
Figure 3 - 6-port Stratix 5700 Switch Example
For further details on IntelliCENTER EtherNet/IP MCC switch options and switch details, see the IntelliCENTER
EtherNet/IP Reference Manual, publication MCC-RM001. See the MCC one-line drawing included with your MCC
to determine the exact Stratix 5700 model installed in your MCC.
IMPORTANT The example10-port Stratix 5700 switch that is shown is catalog number 1783-BMS10CL. The example 20-port Stratix 5700
switch that is shown is catalog number 1783-BMS20CL. See the MCC one-line drawing that is included with your MCC to
determine the exact Stratix 5700 model installed in your MCC. For information on other Stratix 5700 switch catalog numbers,
see the Stratix Managed Switches User Manual, publication 1783-UM007.
IMPORTANT The example 6-port Stratix 5700 switch that is shown is catalog number 1783-BMS06TL. See the MCC one-line drawing that is
included with your MCC to determine the exact Stratix 5700 model installed in your MCC. For information on other Stratix 5700
switch catalog numbers, see the Stratix Managed Switches User Manual, publication 1783-UM007.
9
10
9
10
Copper Ports (IMC device connections)
Combination Ports
(switch-to-switch connection)
20-port Stratix 5700 Switch 10-port Stratix 5700 Switch
Copper Ports
(IMC device connections)
Copper Ports
(switch-to-switch connection)

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Horizontal Wireway-mounted Stratix 5700 Switch
A typical top horizontal wireway Stratix 5700 switch mounting example is shown in Figure 4. The switch can also be
mounted in the bottom horizontal wireway if desired. Switches that are mounted in the horizontal wireway must be
located opposite the horizontal ground bus. Switches must also be mounted in the same side (top or bottom horizontal
wireway) across one MCC lineup.
Figure 4 - Stratix 5700 Switch Top Horizontal Wireway Mounting Example with Adapter Ethernet Connections
When bottom-mounted wireway switches are installed, access to the bolts used to attach the MCC sections to the skid
can be limited as shown in Figure 5. Removal of the switch bracket from the bottom wireway can be necessary for
adequate access to the bolts. The switch bracket can be removed by unscrewing the two bolts on the left side and a third
bolt above the switch attached to the bottom baffle.
Figure 5 - Stratix 5700 Switch Bottom Horizontal Wireway Mounting Example
IMPORTANT When a switch is placed in the top horizontal wireway and optional section heaters are included in the top horizontal wireway
as well, the switch can impact the heating system performance by increasing the ambient temperature near the thermostat.
Stratix 5700 Mounting Position
Top Horizontal
Wireway
Top Horizontal Wireway
Stratix 5700
Mounting Position
Bottom Horizontal
Wireway
MCC Mounting Bolt
Switch Bracket

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Unit-mounted Stratix 5700 Switch
Unit-mounted switches must be in the unit location below the top horizontal wireway or above the bottom horizontal
wireway to maintain easy Ethernet cable routing to nearby IMC devices. A typical top unit Stratix 5700 switch mounting
example is shown in Figure 6.
Figure 6 - Stratix 5700 Switch Unit Mounting Example (30-port) with Homerun Ethernet Connections
Industrial Ethernet Cable
Due to the high potential for electrical interference in an MCC, the proper industrial Ethernet communication cable is
critical to provide excellent reliability and a robust EtherNet/IP network. We recommend against the use of standard
copper Ethernet cable. To provide the noise immunity necessary in a motor control center, we recommend that you use
only exclusive 600V, UL Listed, shielded, power limited tray cable (PLTC) rated, Category 5e industrial Ethernet cable.
The industrial Ethernet cable can be routed near high-voltage power cables without impacting the performance or
reliability of the network. This cable design is a critical attribute of Ethernet network cabling within an MCC given the
close proximity of high-voltage devices and their associated power cables.
TIP The combination 30-port switch unit is shown. Not all switch units require two switches. Spare (unconnected) switch ports can
be chosen to support future device connections. See Table 2 for more information.
Stratix 5700
Mounting Position
Top Horizontal
Wireway
Vertical Wireway

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With this 600V UL Listed industrial Ethernet cable, the EtherNet/IP network and intelligent devices in the
IntelliCENTER MCCs have been tested to the most rigorous standards for electrical noise immunity. These test results
let Rockwell Automation deliver a robust, noise-immune EtherNet/IP architecture within the MCC:
•Surge - Simulates lightening strike
–± 2 KV, 40 A surge that is repeatedly applied to the network cable
–IEC 61000-4-5
•Fast Transient Burst - Simulates industrial noise
–± 1 KV high voltage burst applied to the network cable
–IEC 61000-4-4
•Conducted Immunity - Simulates radio frequency interference
–150 kHz…80 MHz interference that is applied to the network cable
–IEC 61000-4-6
•Electrostatic Discharge Immunity - Simulates static discharge
–± 8 KV ESD event at 12 locations on the MCC and network cable
–IEC 61000-4-2
Figure 7 - Industrial Ethernet Cable
Tabl e 3 shows the three speeds that the Category 5e industrial Ethernet cable supports. The higher speed data rates
transfer more data in a shorter period, which can be vital for applications that require short response times.
The standard Ethernet cable for switch-to-unit connections is the 600V UL Listed copper Ethernet cable. However,
fiber-optic Ethernet cable is sometimes required for switch-to-switch Ethernet connections in certain Ethernet
topologies. For further details on IntelliCENTER EtherNet/IP MCC topologies and cable details, see the
IntelliCENTER EtherNet/IP Reference Manual, publication MCC-RM001.
The 600V UL Listed industrial Ethernet cable is also commonly used to connect the IntelliCENTER EtherNet/IP
MCC to the plant-wide Ethernet network. For further details on IntelliCENTER EtherNet/IP MCC plant network
connections, see the IntelliCENTER EtherNet/IP Reference Manual, publication MCC-RM001.
Table 3 - Category 5e Copper Cabling
Speed Rating Data Speed
10BASE-T 10 Mb/s
100BASE-TX 100 Mb/s
1000BASE-T 1 Gb/s

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CENTERLINE 2100 Motor Control Center with IntelliCENTER Technology Using an EtherNet/IP Network
24V DC Power Supply
24V DC power is integrated throughout the IntelliCENTER EtherNet/IP MCC to provide power for the Stratix 5700
switch and various IMC devices. The integrated 24V DC power within the IntelliCENTER EtherNet/IP MCC can be
supplied by 24V DC power supply units. The 24V DC power supply units are available in these common configurations:
•Circuit breaker and control transformer
•Fusible disconnect and control transformer
•No disconnecting means, requires a separate 110…120V source
•Redundant configurations are also available with one of the following options:
–A Two-branch redundant unit can be included that accepts two separate power supply connections on the
input side and outputs one source to 24V DC circuit. When one power supply fails, the other takes over
automatically reducing device and network downtime. The separate two-branch unit allows the failed power
supply to be replaced without impacting the network. The two-branch unit can be fed by the following
options:
Two Rockwell-supplied 24V DC power supply units
Two external 24VDC power inputs provided by the customer
One Rockwell-supplied 24V DC power supply unit and one external power input provided by the customer
–A second standard power-supply unit can be added to an MCC section that already contains a standard power
supply. In this instance, the power supply in the lower unit location is wired to the 24V DC power within the
MCC. In the event of a failure, the 24V DC wire can be manually shortened to connect to the other unit in the
section
–A second 8 A power supply can be added in the same unit. The second power supply is wired with blocking
diodes to work in concert with the initial power supply. If a failure occurs, power supplies can only be replaced
during MCC network downtimes since both power supplies exist behind the same unit disconnect.
The number of 24V DC power supplies required throughout the IntelliCENTER EtherNet/IP MCC is dependent on
the number of Stratix 5700 switch and IMC devices in the MCC lineup that require 24V DC power. The integrated
MCC 24V DC power consists of multiple branches, each designed to support a maximum of 4 A of current draw. Each
branch is protected by a 1-pole mini circuit breaker. Each branch is connected to either a Rockwell Automation Ethernet
power supply unit that can support two branches or the two-branch redundant power unit if used. To make sure this
specification is not exceeded, the 24V DC power supply current draw for the MCC configuration is calculated at the
time of order entry. The calculations are based on the devices that require 24V DC in each MCC section. The result of
the calculations determines how many sections can be supported on one branch of the power supply. The 24V DC power
can be spliced between multiple sections. Figure 8 shows an example on how 24V DC power is configured.

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Figure 8 - 24V DC Power Distribution Example
When you change your MCC lineup, including when you add or move MCC units or sections, take care to make sure the
24V DC current draw limitations are not exceeded. See Adding EtherNet/IP IntelliCENTER Sections to an Existing
Lineup and Adding or Rearranging EtherNet/IP IntelliCENTER Plug-in Units Within an Existing Lineup for more
information.
TIP Review the table in your MCC one-line drawing to determine current draw for each power supply branch.
Yellow - Left Branch
Red - Right Branch
Blue Box - Sections that are
powered by power supply
Red Box - 24V DC Power
Supply unit
24V DC Power Supply

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EtherNet/IP Network and 24V DC Connections
This section is for engineers or technicians who are directly involved with the commissioning of the EtherNet/IP
network and 24V DC connections in the IntelliCENTER MCC. Additional information and figures can be found in
the EtherNet/IP Network Topology section, but the standard IntelliCENTER EtherNet/IP MCC design uses a linear/
star EtherNet/IP topology. In this design, the Stratix 5700 switch-to-switch EtherNet/IP connections use a linear
topology, and the IMC device EtherNet/IP connections to the Stratix 5700 switches use a star topology. A switch-level
ring topology is also available and is identical to the linear/star topology, but the Stratix 5700 switch-to-switch
connections use a switch-level ring topology in place of the linear topology. These topologies are implemented
throughout the MCC lineup by using an EtherNet/IP network and 24V DC power. The EtherNet/IP network and
24V DC power requires connections in each MCC section. You also need connections within and across MCC shipping
splits, which consist of one, two, or three MCC sections. This section focuses on the EtherNet/IP network and 24V DC
connections across and within the shipping splits.
EtherNet/IP Network and 24V DC Connections Within a Shipping Split
This section provides detailed instructions for commissioning the EtherNet/IP network and 24V DC power
connections within the shipping splits.
Within an MCC shipping split, the Stratix 5700 switch-to-switch connections are pre-wired at the factory. Additionally,
within an MCC shipping split, the connections from the IMC devices to the EtherNet/IP switch and 24V DC power
supply are prewired at the factory. The connection method of Ethernet cables varies based on customer preference.
Sections with Plug-in Units in an MCC with Vertical Wireway Adapters
The IntelliCENTER EtherNet/IP MCC design can include vertical wireway adapters to connect IMC devices in plug-
in units to the Stratix 5700 switch and integrated 24V DC power supply. IntelliCENTER MCC sections that contain
plug-in units include up to four EtherNet/IP adapters in the vertical wireway, which lets you connect up to eight IMC
devices (each EtherNet/IP adapter contains two RJ45 Ethernet ports). Ethernet adapters are scaled in each section
according to the number of IMC devices requiring connection, so it is possible that not all sections have four Ethernet
adapters. Additionally, two 24V DC power adapters in the vertical wireway provide four 24V DC connections that let
you power up to eight IMC devices (two IMC devices can be wired to each of the four 24V DC power connections).
The EtherNet/IP and 24V DC power adapters are shown in Figure 9.

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Figure 9 - Example of Plug-in Section Vertical Wireway Adapter Locations
The EtherNet/IP plug-in units are pre-wired with an industrial Ethernet cable from the IMC device to one of the eight
EtherNet/IP adapters. Each EtherNet/IP adapter is connected directly to the Stratix 5700 switch in a star topology,
which lets you plug in and remove each plug-in unit without affecting adjacent IMC devices. These connections are
made at the factory before shipping. The vertical wireway adapters are oriented in alphabetical order that starts in the top
left, as shown in Figure 9. This labeling remains the same even if a section does not include all four Ethernet adapters. As
shown in Figure 10, adapters are designed to mount on the customer-facing side of the vertical wireway. By removing the
adapters, you have access to the connections made behind the vertical wireway for easy maintenance. The adapters can
also be replaced if needed.
All industrial Ethernet cables have detailed cable labels to maintain proper IMC device to switch port mapping. See
Cable Labels for MCC Lineups with Industrial Ethernet Switches for more information.
The standard IntelliCENTER EtherNet/IP MCC design with adapter Ethernet connections uses terminal blocks that
are in the horizontal wireway. The terminal blocks are used to distribute the 24V DC power to the 24V DC power
adapters mounted in the vertical wireways of each section. The plug-in units with IMC devices that require 24V DC
power are pre-wired at the factory with a connection from the device to one of the four 24V DC power connectors. The
terminal blocks are also used to extend 24V DC power to adjacent MCC sections and shipping splits. For more
information on section-to-section 24V DC connections, see Splicing the 24V DC Power Supply.
EtherNet/IP Vertical Wireway Adapter
EtherNet/IP Vertical Wireway Adapter
A B
C D
E F
G H
24V DC Power Vertical Wireway Adapter
24V DC Power Vertical Wireway Adapter

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CENTERLINE 2100 Motor Control Center with IntelliCENTER Technology Using an EtherNet/IP Network
Figure 10 shows an example of an IMC device connection to the EtherNet/IP and 24V DC power vertical wireway
adapters. The front-mounted adapter design provides the following:
•A slanted housing that helps protect Ethernet and 24V DC connections
•Ability to access connections behind the vertical wireway for maintenance activities
•Optional replacement of adapters
•Screw terminals for 24V DC connection plugs to help maintain the connection
Figure 10 - EtherNet/IP and IMC Device Vertical Wireway Adapters
IMPORTANT After making the EtherNet/IP network and 24V DC power connections, see the MCC Commissioning Checklist prior to applying
power.
EtherNet/IP Vertical Wireway Adapter
Remove the two screws on the top of the
adapter for replacement.
24V DC Power Vertical Wireway Adapter
Industrial Ethernet Cable Label

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CENTERLINE 2100 Motor Control Center with IntelliCENTER Technology Using an EtherNet/IP Network
When you remove a plug-in unit or IMC device, the best practice is to disconnect the industrial Ethernet cable and
24V DC cable from the IMC device. The other end of the industrial Ethernet cable and 24V DC cable remain plugged
into the vertical wireway adapter. You can then easily reconnect the plug-in unit or IMC device to the same EtherNet/IP
adapter and 24V DC adapter. The standard IMC device configuration includes a static IP address, which allows the
device Ethernet cable to be reconnected to any vertical wireway adapter because the device to switch port mapping is not
critical. However, if a device is connected to the wrong EtherNet/IP vertical wireway adapter while using a Stratix 5700
switch feature such as DHCP port persistence, the device can no longer communicate properly on the EtherNet/IP
network until the issue is resolved. Device to switch port mapping is critical when using advanced switch features. Cable
labels are included on both ends of every Ethernet cable, which provides information on where the cable is connected to
on both ends. See Cable Labels for MCC Lineups with Industrial Ethernet Switches for more information. See the
IntelliCENTER EtherNet/IP Reference Manual, publication MCC-RM001 for more information on DHCP port
persistence.
When you add or move plug-in units in an MCC section, special care must be taken to make sure the 24V DC current
draw limitations are not exceeded. See Adding EtherNet/IP IntelliCENTER Sections to an Existing Lineup and Adding
or Rearranging EtherNet/IP IntelliCENTER Plug-in Units Within an Existing Lineup for more information.
Sections with Plug-in Units in an MCC with Homerun Connections
The IntelliCENTER EtherNet/IP MCC design can include direct Ethernet connections (homerun connections) to
connect IMC devices in plug-in units to the Stratix 5700 switch. This design uses vertical wireway power adapters to
connect IMC devices in plug-in units to the integrated 24V DC power supply. Two 24V DC power adapters in the
vertical wireway provide four 24V DC connections that let you power up to eight IMC devices (two IMC devices can be
wired to each of the four 24V DC power connections). The EtherNet/IP connections and 24V DC power adapters are
shown in Figure 11.
Figure 11 - Example of Plug-in Section Unit-mounted Stratix Switch and 24V DC Power Adapter Locations
The EtherNet/IP plug-in units are pre-wired with an industrial Ethernet cable from the IMC device directly to the unit-
mounted Stratix switch. You can plug in and remove each plug-in unit without affecting adjacent IMC devices. These
connections are made at the factory before shipping when within a shipping split. The connection scheme connects each
IMC device to a Stratix switch with industrial Ethernet cables that are labeled on both ends with the location of the
Stratix switch and plug-in unit that the Ethernet cable connects. For more information on the connection across splits,
see Splicing EtherNet/IP Network.
EtherNet/IP Vertical Wireway Adapter
Unit-mounted Stratix Switch
Top Horizontal Wireway 24VDC Power Terminal Block
Vertical Wireway
24V DC Power Vertical Wireway Adapter

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The IntelliCENTER EtherNet/IP MCC design with homerun Ethernet connections uses terminal blocks that are in the
horizontal wireway. The terminal blocks are used to distribute the 24V DC power to the 24V DC power adapters
mounted in the vertical wireway of the section. The plug-in units with IMC devices that require 24V DC power are pre-
wired at the factory with a connection from the device to one of the four 24V DC power connectors. The terminal
blocks are also used to extend 24V DC power to adjacent MCC sections and shipping splits. For more information on
section-to-section 24V DC connections, see Splicing the 24V DC Power Supply.
When you remove a plug-in unit or IMC device, the best practice is to disconnect the industrial Ethernet cable and
24V DC cable from the IMC device. The other end of the industrial Ethernet cable and 24V DC cable remain plugged
into the connected Stratix switch and the vertical wireway power adapter respectively. You can then easily reconnect the
plug-in unit or IMC device to the same industrial Ethernet cable and 24V DC adapter. The standard IMC device
configuration includes a static IP address, which allows the device Ethernet cable to be reconnected to any vertical
wireway adapter because the device to switch port mapping is not critical. However, if a device is connected to the wrong
EtherNet/IP vertical wireway adapter while using a Stratix 5700 switch feature such as DHCP port persistence, the
device can no longer communicate properly on the EtherNet/IP network until the issue is resolved. Device to switch port
mapping is critical when using advanced switch features. Cable labels are included on both ends of every Ethernet cable,
which provides information on where the cable is connected to on both ends. See Cable Labels for MCC Lineups with
Industrial Ethernet Switches for more information. See the IntelliCENTER EtherNet/IP Reference Manual, publication
MCC-RM001 for more information on DHCP port persistence.
Detailed cable labels were added to all industrial Ethernet cables to maintain proper IMC device to switch port mapping.
See Cable Labels for MCC Lineups with Industrial Ethernet Switches for more information.
Sections with Frame-mount Units
The standard IntelliCENTER EtherNet/IP MCC design uses direct EtherNet/IP network and 24V DC power
connections (homerun connection) in place of vertical wireway adapters in sections with full-section frame-mounted
units. The Stratix 5700 switch is connected directly to the IMC device EtherNet/IP port. Similar to sections with plug-
in units, terminal blocks are located in the horizontal wireway. The terminal blocks are used to distribute the 24V DC
power to the IMC devices in that section. The 24V DC power is connected directly to the IMC devices that require
24V DC power. The terminal blocks are also used to extend 24V DC power to adjacent MCC sections and shipping splits.
For more information on section-to-section 24V DC connections, see Splicing the 24V DC Power Supply. The
EtherNet/IP network and 24V DC power connections with frame-mount units are made at the factory before shipping.
IMPORTANT After making the EtherNet/IP network and 24V DC power connections, see the MCC Commissioning Checklist prior to applying
power.
IMPORTANT After making the EtherNet/IP network and 24V DC power connections, see the MCC Commissioning Checklist prior to applying
power.

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CENTERLINE 2100 Motor Control Center with IntelliCENTER Technology Using an EtherNet/IP Network
EtherNet/IP Network and 24V DC Connections Across Shipping Splits
This section provides detailed instructions for the commissioning of the EtherNet/IP network and 24V DC power
connections across the shipping splits.
As explained in the EtherNet/IP Network and 24V DC Connections section, the EtherNet/IP network and 24V DC
power connections within a shipping split are pre-wired at the factory. This section focuses on EtherNet/IP network and
24V DC power splicing across shipping splits.
Switch groups can span multiple shipping splits. All 24V DC power connections that connect to IMC devices in each
shipping split are connected at the devices in the shipping split and then left in the horizontal wireway for future
connection to the adjacent split. All industrial Ethernet network connections that connect to IMC devices in each
shipping split are connected at the devices in the shipping split and then coiled in the horizontal wireway. This coil, or
industrial Ethernet cable bundle, must be connected to the appropriate switch in the field during commissioning of the
MCC lineup. When industrial Ethernet cables are routed to the industrial Ethernet switch, they sometimes require a
transition to the opposite horizontal wireway to avoid obstructions in the MCC lineup that impact the horizontal
wireway. See Ethernet Cable Transitions for MCC Lineups with Homerun Connections for more information on
Ethernet cable transitions.
A teal-colored label on the outside of the MCC indicates the location of each coil of Ethernet cables that must be
connected. Each cable in the bundle contains a detailed cable label to maintain proper IMC device to switch port
mapping. See Cable Labels for MCC Lineups with Industrial Ethernet Switches for more information.
Figure 12 - Industrial Ethernet Cable Bundle to Connect Across Shipping Split
TIP Cable bundles for each section are assembled and marked with colored tape (yellow for top or orange for bottom). The tape
helps the factory measure the switch-to-section distance and mounting location to verify the appropriate length of industrial
Ethernet cable is allocated for field connections to the switch unit.
Industrial Ethernet Cable Bundle Location Label
Industrial Ethernet Cable Bundle Location

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CENTERLINE 2100 Motor Control Center with IntelliCENTER Technology Using an EtherNet/IP Network
Ethernet Network Table For IntelliCENTER EtherNet/IP MCCs
In the one-line drawing for your IntelliCENTER EtherNet/IP MCC, an explanation of the Stratix switch connections is
included. This drawing is used in the commissioning of your MCC and includes the following information:
1. Ethernet Switch Detail - This section of the drawing contains information about the Stratix switches in your
MCC.
–Location
–Catalog Number
–IP Address and Subnet Mask
–Port Assignments
2. Ethernet Cable Detail - This section of the drawing contains information about the industrial Ethernet cables that
connect the switch to each IMC device. The information includes the cable label string, the length of the cable
used, and associated manufacturing information.
3. IMC Device Detail - This section of the drawing contains information about the IMC devices that are connected
to the Stratix switches. This information includes the device location, type of device, IP Address, Subnet Mask,
and current draw. Switch-to-switch connections (switch ports that are connected to other switch ports) are also
shown.
Figure 13 - Ethernet Network Table Example
TIP For MCCs with homerun Ethernet connections, the ‘Switch-to-Adapter Ethernet Cable’ column is left blank.
1 - Ethernet Switch Detail 2 - Ethernet Cable Detail 3 - IMC Device Detail

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CENTERLINE 2100 Motor Control Center with IntelliCENTER Technology Using an EtherNet/IP Network
Ethernet Network Diagram for IntelliCENTER EtherNet/IP MCCs
In addition to the network table, a network diagram is also included in the one-line drawing for your IntelliCENTER
EtherNet/IP MCC. The network diagram explains the Stratix switch connections in graphical format and can be used in
the commissioning of your MCC.
Figure 14 - Ethernet Network Diagram Example
Switch-to-switch Ethernet Connection
The standard IntelliCENTER EtherNet/IP MCC design includes a Stratix 5700 switch that has two ports that are
reserved for the switch-to-switch connections. The Stratix 5700 switches within a shipping split have switch-to-switch
connections that are pre-wired at the factory by using the 600V rated industrial Ethernet copper cable (see the Industrial
Ethernet Cable section for further details). Fiber-optic cables could also be used if required by your application.

20 Rockwell Automation Publication 2100-TD031E-EN-P - August 2016
CENTERLINE 2100 Motor Control Center with IntelliCENTER Technology Using an EtherNet/IP Network
As shown in Figure 15, port 5 and port 6 on 6-port Stratix 5700 switches are reserved for connections between the
switches and plant connections. Port 5 is designated for the left switch-to-switch connection or for connections to the
plant-wide EtherNet/IP network (see the MCC Uplink Connections section for further details). Port 6 is designated for
the right switch-to-switch connection or the plant-wide EtherNet/IP network connection.
Figure 15 - Example of a 6-port Stratix 5700 Switch
As shown in Figure 16, port 9 and port 10 on 10-port Stratix 5700 switches are reserved for connections between
switches or for connections to the plant-wide EtherNet/IP network (see the MCC Uplink Connections section for
further details). Port 9 is designated for the left switch-to-switch connection or the uplink connection. Port 10 is
designated for the right switch-to-switch connection or the plant-wide EtherNet/IP network connection.
Figure 16 - Example of a 10-port Stratix 5700 Switch
IMPORTANT The 6-port Stratix 5700 switch that is shown is catalog number 1783-BMS06TL. See the MCC one-line drawing that is included
with your MCC to determine the exact Stratix 5700 model installed in your MCC. For information on more Stratix 5700 switch
catalog numbers, see the Stratix Managed Switches User Manual, publication 1783-UM007.
IMPORTANT Stratix 5700 switches with gigabit Ethernet ports label the switch-to-switch or uplink ports as port 1 and port 2. See the
Stratix Managed Switches User Manual, publication 1783-UM007.
IMPORTANT The 10-port Stratix 5700 switch that is shown is catalog number 1783-BMS10CL. See the MCC one-line drawing that is
included with your MCC to determine the exact Stratix 5700 model installed in your MCC. For informationon more Stratix 5700
switch catalog numbers, see the Stratix Managed Switches User Manual, publication 1783-UM007.
IMPORTANT Stratix 5700 switches with gigabit Ethernet ports label the switch-to-switch or uplink ports as port 1 and port 2. See the
Stratix Managed Switches User Manual, publication 1783-UM007.
Port 6
Port 5
Port 9
Port 10