CompactLogix 1768/1769 System
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CompactlLogix System Overview
The CompactLogix system is designed to provide a Logix solution for small and mid-size applications. Typically, these applications are machine-level control applications. A simple system can consist of a standalone controller with a single bank of I/O modules and DeviceNet communication. A more complex system may include other networks, motion control, and safety control.
System Components
CompactLogix system components include:
| Component | Description |
| CompactLogix Controllers | • Options include: CompactLogix packed controllers, modular controllers, integrated motion controllers, and GuardLogix safety controllers. • User memory ranges from 0.5 to 3 MB standard, plus 0.5 to 1 MB safety, depending on controller type. • CompactFlash cards offer nonvolatile memory (flash) to permanently store a user program and tag data. |
| CompactLogix Communication Modules | • Options include: EtherNet/IP, ControlNet, DeviceNet, DH-485, and Serial communication modules. • Install multiple communication-interface modules into the CompactLogix backplane to configure a gateway to bridge or route control and information data between different networks. |
| CompactLogix Integrated Motion Modules | • SERCOS interface for 1768 modules. |
| CompactLogix I/O Modules | • Options include: digital, analog, thermocouple, RTD, motion, and specialty modules. • Densities range from 4 to 32 points per module. • Remote terminal blocks (RTBs), interface modules (IFMs), or I/O module-ready cables are used for connecting to each I/O module. • Modules are rate IP20, Class I, Division 2/Zone 2. |
| CompactLogix Power Supplies | • Packaged controllers have an internal power supply. • Other modules require one power supply for the controller and local I/O, and one power supply for each additional bank of I/O modules. |
Optional system components include:
| Component | Description |
| Visualization Products | • Visualization products, together with Logix for control and NetLinx architecture for communication, make up the Rockwell Automation Integrated Architecture strategy. • Choose from PanelView Plus and PanelView Plus CE electronic operator interface and Rockwell Automation industrialized personal computer hardware. • Available Rockwell Software supervisory control software includes FactoryTalk View software. |
| Software | • Your selection of modules and network configuration determines what software packages you need to configure and program your system. • Program your CompactLogix system with RSLogix 5000 Enterprise Series software. • Additional design and configuration products include RSNetworx and RSLinx software. |
CompactLogix Packaged Systems
The 1769-L23x CompactLogix system is a packaged controller for smaller, machine-level control applications. The controller comes preconfigured with combinations for embedded digital, analog, and high-speed counter I/O.
Example Configuration: 1769-L23E Packaged Controller with an EtherNet/IP Network
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CompactLogix Modular Systems
The 1769-L3x modular CompactLogix system provides a Logix solution for low-end to medium applications. Typically, these applications are machine-level control applications that require limited I/O quantities and limited communication capabilities. The 1769-L31 controller offers two serial ports. The 1769-L32C and 1769-L35CR controllers offer an integrated ControlNet port. The 1769-L32E and 1769-L35E controllers offer an integrated EtherNet/IP port.
Example Configuration: 1769-L32C, 1769-L35CR CompactLogix Controller with a ControlNet Network
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CompactLogix 1768-L4x Systems
The 1768 CompactLogix system combines a 1768 backplane for communication and motion support and a 1769 backplane for I/O support. The 1768 controller is designed for integrated motion applications and more complex communication requirements than the other CompactLogix controllers. The 1768 controller has one serial port. Add 1768 modules for motion control, EtherNet/IP communication, and ControlNet communication.
Example Configuration: 1768-L4x CompactLogix Controller with Serial and DeviceNet networks
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Compact GuardLogix System
The Compact GuardLogix controller is a 1768-L4xS CompactLogix controller that provides safety control up to and including SIL 3 according to IEC 61508, and applications up to and including PLe/Cat.4 according to ISO 13849-1.
Example Configuration: 1768-L4xS Compact GuardLogix Safety System
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