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Allen Bradley | CompactLogix
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The CompactLogix controllers are PLCs or programmable logic controllers manufactured by Allen-Bradley. Some CompactLogix controllers support Ethernet/IP communication options and some support DeviceNet communication options. These controllers also provide advanced control options and a variety of I/O devices to a system. The CompactLogix controllers are compatible with Allen-Bradley I/O modules from the Bulletin 1769 product line. Multiple CompactLogix controllers can be used on the same chassis or in the same network. All CompactLogix controllers have serial ports. They support I/O modules that can be used in DIN rail-mounted I/O systems and panel-mounted I/O systems. A complete CompactLogix system includes a CompactLogix controller, I/O modules, a communication network, power supplies, and software. When the system is assembled, the CompactLogix controller is the leftmost module, and it needs to be installed within 4 modules of the power supply. Some of the I/O modules in the system can be installed up to 8 miles away from the system power supply. Some CompactLogix controllers can support 16 I/O modules in a system and some CompactLogix controllers can support 30 I/O modules in a system. CompactLogix systems can include more than 1 I/O bank if large numbers of I/O modules are required, and each I/O bank requires a power supply. The communication bus in a CompactLogix system must be terminated with an end cap. Several CompactLogix controller modules can operate with up to 32 continuous controller tasks and up to 100 programs per task. A device can be connected to a CompactLogix controller through its serial port with a 1756-CP3 serial cable or 1747-CP3 serial cable.
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About Allen-Bradley CompactLogix
The Allen-Bradley CompactLogix belongs to the Bulletin 1768 and 1769 Programmable Automation Controllers. These controllers are ideal for use in small to medium applications and features standard modules and compatibility with the Compact GuardLoigix control systems for embedded safety.
CompactLogix controllers may be installed with Compact GuardLogix modules for implementing embedded safety. This controller platform also supports motion control over Ethernet I/P. Updated controllers and modern models, belonging to the CompactLogix 5480 controllers are Internet of Things (IoT) ready, supporting Windows 10 IoT enterprise running in parallel to the Logix engine.
CompactLogix controllers are available in a very wide selection, from controllers categorized as Standard, Safety, on-Machine and Real-Time control + Windows application. Some controllers come with built-in I/O channels while some are fully modular CompactLogix assemblies. Such CompactLogix controllers include CompactLogix 5380, CompactLogix 5370 L3, CompactLogix 5370 L2, CompactLogix 5370 L1 and the modern CompactLogix 5480. These controllers are Ethernet I/P enabled, and support firmware upgrade via the ControlFlash Firmware Update Tool.
CompactLogix 5370 L1 features user memory range of up to 384KB to 1MB, with embedded communication ports such as Two (2) Ethernet and One USB client port. 5370 L2 controllers features an increased memory range of 750KB to 1MB with the same Two (2) Ethernet and One USB client port. CompactLogix 5370 comes with a memory range of 1MB to 5MB with Two (2) Ethernet and One USB client port. CompactLogix 5380 features 0.6MB to 10MB memory size range with Two (2) Gigabit Ethernet and One USB client port. The modern CompactLogix 5480 controller features Three (3) Gigabit Ethernet communication ports and One (1) USB client for Logix Control Engine use and One (1) Gigabit Ethernet, Two (2) USB 3.0 ports and One (1) Display Port for Microsoft Windows 10 use.
All controllers are capable of implementing controller tasks such as Continuous, Periodic and Event. A maximum of 32 controller task is supported by one controller with each task supporting 1000 programs. This controller platform also supports configuration of Event tasks that may be associated with a Consumed tag, EVENT instruction triggers, Module Input Data Change, and motion events
CompactLogix 5370 supports installation of expansion I/O banks such as left to Right or Right to Left expansion banks for simple and cost effective I/O expansion. For high-density expansion, some CompactLogix controllers support installation of POINT I/O modules and 1769 Compact I/O modules.
CompactLogix controllers may be configured using RSLogix 5000 Programming Software or Studio 5000 Logix Designer application software. Earlier versions or controllers with firmware revision 20.11 or lower are compatible with RSLogix 5000 while controllers with firmware revision 21.00 are designed to used Studio 5000.
CompactLogix controllers support installation of Secure Digital (SD) Cards that serves as the controller’s non-volatile memory. These SD cards may be used to burn user programs and user data, for configuration of automatic loading of programs from this expansion card. Secure Digital card memory ranges from 1MB to 32GB memory card. These cards support removal and insertion under power however, requires restart when inserted to a live controller.
PROS:
• Highly scalable
• Wide range of controller selection
• Wide Selection of I/O and Specialty modules
• Some controllers have embedded I/O; Most are fully modular
• Supports embedded safety via Compact GuardLogix
• Supports motion over Ethernet I/P
• Wider range of communication protocol support
• Supports Distributed I/O architecture
• Support for Expansion I/O banks for cost-effective expansion solution
• Support installation of encompass partner modules
• Windows Based programming software
• Firmware upgradable
CONS:
• Dual Programming software support, requiring user to obtain copies of both software to maintain system.
• Too much reliability on Firmware, upgrades and modifications are more difficult to implement.
• Earlier versions use battery to main volatile user memory.
• Some modules are discontinued.
• Only CompactLogix 5370 support Redundancy using DeviceNet
| 1768-PA3 | The Allen-Bradley 1768-PA3 is a 1768 CompactLogix Power Supply. This module supplies backplane power to the 1768 CompactLogix rack and power to the front panel terminal blocks. It requires an input voltage range of 85-265VAC or 108-132VDC with an input frequency range of 47-63Hz. | Buy Now |
| 1768-PB3 | The Allen-Bradley 1768-PB3 is a 1768 CompactLogix Power Supply. This module supplies backplane power to the 1768 CompactLogix rack and power to the front panel terminal blocks. It requires an input voltage range of 16.8-31.2VDC with a continuous output power of 3.5 A for 24VDC backplane and 0.25 A for user terminal block at 90W and 0.25 A at 6W minimum. | Buy Now |
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Rockwell Disclaimer: The product is used surplus. PDF Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because PDF Supply is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, PDF Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. PDF Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. PDF Supply also makes no representations as to your right to install any such firmware on the product. PDF Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.