Specifications
Publication GMC-SG001E-EN-P — June 2001
1-2 Logix™
System Overview
A ControlLogix system is modular, as shown in the figure below.
Figure 1.1
ControlLogix Chassis
As shown in the figure below, you can select the network and the type and number of controllers based 
on the needs of your application. This flexibility lets you share system resources and divide applications 
across multiple controllers.
Figure 1.2
ControlLogix System
Logix5555 Controller
DeviceNet Network Card
EtherNet Network Card
ControlNet Network Card
1756-M08SE SERCOS Interface Module
1756-M02AE Servo Module
This is an example of only one of the many 
possible chassis configurations.
Ultra3000 
DeviceNet 
Drive
DeviceNet Network
Ultra5000
DeviceNet 
Drive
Ethernet Network
ControlNet Network
Workstation
with RSLogix 5000
ControlLogix I/O
SERCOS Ring
DANGER
RISK OF ELECTRICAL SHOCK. HIGH VOLTAGE MAY
EXIST UP TO FIVE MINUTES AFTER REMOVING POWER.
1756-M08SE Interface Module
SERCOS System Module
1756-M02AE Interface Module
DANGER
RISK OF ELECTRICAL SHOCK. HIGH VOLTAGE MAY
EXIST UP TO FIVE MINUTES AFTER REMOVING POWER.
1394 System Module Cable
1394 Analog System
1394 SERCOS interface System 
Workstation
with RSLogix 5000
ControlLogix Chassis
Ultra3000 
SERCOS 
interface Drive
Ultra3000
Ultra3000 Control Interface
1756-L1, -L53, or -L55 control processor(s)










