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Allen Bradley - PLC

ControlLogix

The ControlLogix controller series are designed and manufactured by Allen Bradley and enables a high speed data transfer across the backplane. The system can be easily and efficiently designed, built, and modified since it is a modular system, thus saving significantly on training, as well as engineering. It is possible to arrange multiple controllers on a chassis to meet your required standard while incorporating the communication modules to enable data transfer across the controllers. It is possible to use the ControlLogix control platform to perform motion, process, drive, or sequential control with high efficiency in no logical order. The platform also allows for the combination of several networks, input/outputs, and processors. An advantage of the ControlLogix series is that it can be easily integrated with the already existing programmable logic control based systems and, therefore, it is extremely seamless. With the ControlLogix series, the user is able to select a suitable memory size that fits their application. The controller's type of memory is expandable and lacks a default memory for the base device. It is, therefore, necessary for the user to order the required memory in advanced before purchase. The platform used in industries are designed in such a manner that is capable of withstanding extreme thermal conditions, vibrations, and electromagnetic noise. It is considered to be an advanced controller as compared to the CompactLogix controller as it consists of an input/output module, a processing module, a power supply, connectivity devices, and the chassis. During operations, the development time is normally reduced due to the compact integration between the input/output module and the programming software.

Collage of images depicting ControlLogix units

ControlLogix Selection Guide

It is no secret that Allen-Bradley has been a staple for PLCs when it comes to American manufacturing. One of their most common systems is the ControlLogix architecture, specifically the 1756 and the 5580 systems. Released back in 1997, the ControlLogix platform was introduced and was quite a step up from the previous PLC5 and the SLC while also introducing tag-based addressing for the first time. The earliest model of the ControlLogix family is the Logix 5550 with the L1 processor, though, they were quickly made obsolete by the faster L60 and L70 which offered higher speeds and more memory than the previous generation. Fast forwarding to 2015, the new ControlLogix 5580 was introduced, and it dominated the previous generation by providing up to 45 percent application capacity and a 1Gb Ethernet port to support I/O and applications with up to 256 axes of motion. With such a large jump in innovation and processing speeds, Allen-Bradley was planning on these controllers essentially future-proofing the systems that would adopt these latest processors. Following suit in 2018, the addition of the Compact GuardLogix 5580 and 5380 controllers was announced to an already plentiful controller lineup. To this day, the 5580 controllers remain a popular choice for consumers.

While the 5580 reigns supreme over the ControlLogix family, there are many other iterations of controllers to consider when choosing to upgrade or start a new system entirely.

Logix5550

The first iteration of the ControlLogix family is also generally the cheapest in the lineup, but that is for a good reason. The base controller comes standard with only 64KB of storage, however, that storage can be upgraded with the use of optional memory modules such as the 1756-M1 (512KB), 1756-M2 (1 MB), and the 1756-M3 (2 MB). The discontinued controller operates with a single RS232 port to communicate through ControlNet, DH+, DeviceNet, and EtherNet/IP networks. The controller operates with a battery whose replacement part number is 1756-BA1 for its non-volatile integrated Random-Access-Memory.

On the main face of the controller are diagnostic LED indicators that illuminate when a given status is present, such as RS232 communication or failure status. With it is a key that can be used to manually change the mode of the controller. The 1756-L1 can be installed in any ControlLogix chassis such as 1756-A4, 1756-A7, 1756-A10, 1756-A13, and 1756-A17, and it can be inserted into any slot. Because of this, multiple controllers may be used to communicate with each other on the same chassis. All of which is powered by the backplane from the main ControlLogix power supply.

This controller can control medium-scale processes as well as support IEC-61131-2 defined programming language standards such as Ladder, Function Block, Sequential Function Chart, and Statement List programming languages. Utilizing its integrated RS232 port, the controller provides an interface to programming devices, Human Machine Interface (HMI), Supervisory Control and Data Acquisition (SCADA), and other Visualization and Control systems. It also supports stand-alone and distributed I/O allocation with the use of ControlLogix I/O, Flex I/O, and POINT I/O modules.

Logix5560

The Logix5560 system is the first modernized system after the Logix5550. It proves to be quite faster than its previous model while remaining a good choice for budget-conscious consumers. These controllers come with an embedded RS-232 port for communication and can handle up to 250 controller connections. All L60 controllers come with 478 KB of I/O memory and user memory is dependent on the model being chosen.

The 1756-L6S Guard Logix controllers are also a new update to the more modern platform. These controllers take up two slots as they need a corresponding 1756-LSP Safety Partner beside it but function the same as the standard model with the addition of handling safety-related tasks and controlling safety I/O. The Safety Partner is automatically configured to its parent controller when installed. These safety modules also come with conformal coating to better protect them against harsh environments.

Another option for the Logix5560 is the 1756-L63XT extreme environment ControlLogix controller for those who need a controller for higher-temperature work environments. This controller functions just like the standard model but with the addition of widening the operating temperature scale from+32 to 140 degrees Fahrenheit (0 to +60 degrees Celsius), to -13 to +158 degrees Fahrenheit (-25 to +70 degrees Celsius). The ControlLogix chassis compatible with this controller are 1756-A4LXT, 1756-A5XT, 1756-A7LXT, and 1756-A7XT.

Connection Options

  • DeviceNet
  • ControlNet
  • Remote I/O
  • EtherNet/IP
  • Data Highway Plus
  • SynchLink
  • SERCOS
  • Third-party network and process devices

Serial Port Communication

  • ASCII
  • DF1 full/half-duplex
  • DF1 radio modem
  • DH-485
  • Modbus via logic

Programming Languages

  • Function Block Diagram
  • Relay ladder
  • Sequential function chart (SFC)
  • Structured Text

Integrated Motion

  • Analog options such as encoder input, LDT input, and SSI input
  • SERCOS interface
  • Integrated Motion through EtherNet/IP network

Controller Memory

  • 1756-L61 - 2 MB
  • 1756-L62 - 4 MB
  • 1756-L63 - 8 MB
  • 1756-L64 - 16 MB
  • 1756-L65 - 32 MB

Controller Memory for GuardLogix

  • 1756-L61S - 2 MB user / 1 MB safety
  • 1756-L62S - 4 MB user / 1 MB safety
  • 1756-L63S - 8 MB user / 3.75 MB safety

Logix5570

The ControlLogix 5570 series is the next leap forward for the Logix family and is quite a welcomed change. The L70 series now supports redundancy and Removal Insertion Under Power (RIUP). Performance has increased by as much as 2X over the last generation processor as well. With a new environmentally friendly design, the lithium-ion battery has been replaced with capacitor-based energy storage modules that can be removed and replaced. Each controller only takes up one spot in the chassis and multiple may be installed at the same time for full redundancy. The addition of a conformal coating has also been introduced when the 5570 had launched, usually denoted with a ‘K’ suffix at the end of the part number, as well as an Extended Temperature controller (Denoted with an XT instead). The ControlLogix-XT functions the same as the standard controller but can withstand temperatures from -13 to +158 degrees Fahrenheit (-25 to +70 degrees Celsius), as opposed to +32 to 140 degrees Fahrenheit (0 to +60 degrees Celsius) for the standard controllers. They also come with a conformal coating to extend the life of the controller as well as protect it from harsh and corrosive environments.

Each controller will ship with a 1GB SD card (1784-SD1) for optional nonvolatile memory storage. This can also be upgraded to 2GB if needed with the 1784-SD2. Each controller can support 32 to 1000 programs/tasks depending on the software used to configure them, as well as 128,000 digital I/O max, 4000 analog I/O max, and a total of 128,000 I/O max. For user memory, it depends on the controller chosen but the I/O memory is 0.98MB across the board.

Like the previous generation, the Logix5570 also released its own Guardlogix for the updated controllers. These safety modules perform similarly to the standard controller but use a red Safety Partner (1756-LSP) to perform its safety functions and to achieve up to SIL CL 3/PLe/ Cat. 4. These two cards paired together take up two slots on the available rack, but a major benefit is having both safety functions and standard together. The Safety Partner requires no additional user setup and is automatically configured into the system.

Connections

The embedded USB 2.0 (12MBps) port allows for communication through the following:

  • DeviceNet
  • ControlNet
  • Remote I/O
  • EtherNet/IP
  • Data Highway Plus
  • SynchLink
  • SERCOS
  • Third-party network and process devices

Programming Languages

  • Function Block Diagram
  • Relay ladder
  • Sequential function chart (SFC)
  • Structured Text

Integrated Motion

  • Analog options such as encoder input, LDT input, and SSI input
  • SERCOS interface
  • Integrated Motion through EtherNet/IP network

Capacitor Energy Storage Modules

  • 756-ESMCAP, 1756-ESMCA (removable, ships installed with every controller)
  • 756-ESMNSE, 1756-ESMNS (removable, no residual WallClockTime power backup)
  • 756-ESMNRM, 1756-ESMNRM (nonremovable, helps prevent USB connection and SD card use to help secure the controller)

Controller Memory

  • 1756-L71/L71K - 2 MB
  • 1756-L72/L72K - 4 MB
  • 1756-L73/L73K - 8 MB
  • 1756-L74/L74K - 16 MB
  • 1756-L75/L75K - 32 MB

Controller Memory for GuardLogix

  • 1756-L71S/L71SK - 2 MB user / 1 MB safety
  • 1756-L72S/L72SK - 4 MB user / 2MB safety
  • 1756-L73S/L73SK - 8 MB user / 4MB safety

Conformal Coating Certifications

  • ANSI/ISA 71.04.2013 G3 Environment
  • IEC 61086-3-1 Class 2
  • IPC-CC-830
  • MIL-I-46058C
  • EN60068-2-52 salt mist test, severity level 3

Redundancy System

A redundancy system consists of two identical 1756 chassis to act as the main driver and a backup. To do this, certain criteria must be met, such as:

  • An identical number of slots
  • Identical modules within those same slots
  • Either a 1756-RM2 or 1756-RM2XT module per chassis, once again, being identical
  • Up to two ControlLogix 5570 or XT controllers
  • Up to two 1756-RMCx cables
  • A redundant ControlLogix 5570 controller connects the 1715 redundant I/O system through an EtherNet/IP network, all controlled by the 1756-EN2TR communication module

Redundancy System Features Not Supported

  • All motion features
  • Any SIL 3 Functions

Armor ControlLogix

Introduced with the Logix5570 family is the Armor ControlLogix controller. The 1756-L72EROM and 1756-L73EROM were built to combine either an L72 or L73 controller with two EtherNet/IP DLR-capable 1756-EN3TR communication modules all contained in an IP67 certified housing to be mounted to applicable machines. While this controller functions identically to the L72/L73, its energy storage modules are unable to be removed or replaced. Keeping with the trend of non-replaceable parts, the 1756-L72EROM is also protected by a soldered fuse which should protect it if the input range exceeds its 32V DC max as well as fire hazards from short circuits. One thing to also keep in mind is that these controllers do not support controller redundancy, meaning that a second controller can’t take over the tasks if the first were to fall into a faulted state. The 1756-L72EROM/L73EROM comes with a UL Type 4/4x enclosure, measures 9.4 x 11.5 x 6.5 inches, and weighs 15.50 lbs or 7.04 kg.

With the addition of the 1756-L72EROM/L73EROM in the ControlLogix family, Allen-Bradley had also introduced a safety variant, the 1756-L72EROMS/L73EROMS. This controller functions similarly to the non-safety model but with the addition of 2 MB of safety memory and the support for both standard and safety communication options through EtherNet/IP networks.

Logix5580

These processors are the most modern and up-to-date controllers in the lineup. With an all-new design, the addition of safety modules, extreme temperature controllers, powerful processors with over 5 to 20x faster operational speeds than the 5570 and 5560, and enhanced security (ISO 27001 certification), it is quite understandable why Allen-Bradley suggests first-time plant owners or those looking to upgrade start with the 5580 series first.

The Logix5580 series controllers now come with a 1Gb embedded ethernet port for high-speed communications, I/O, and motion control with the previously embedded USB 2.0 port. Unlike the previous models, these cards now ship out with a preinstalled 2GB SD card, which was considered an upgrade from the previous.

Released with the new generation of controllers is the GuardLogix 5580, able to achieve up to SIL 2/PLd (category 3) with a single controller and the use of the safety task and safety I/O. If a Safety Partner is paired with the original controller, it allows the safety integrity to reach SIL 3. This level of integration allows its safety memory to be read by logic and external devices, such as HMIs and other controllers, to minimize the need to condition safety memory for use elsewhere. This allows system-wide integration and the ability to display safety status on displays or marquees. These safety controllers are also available with a conformal coating, having the “SK” suffix at the end of the product number, and the “S” suffix without conformal coating.

ControlLogix 5580 Process Controllers have also been released with the latest generation of controllers. These are made specifically for hazardous workplaces and industries such as mining, metals, foods, oil, brewery, and more. These controllers focus on plantwide process control while also configured with the default process tasking model and dedicated PlantPAx process instructions for a much more efficient workflow. These controllers are designated with the “P” suffix at the end of the product number.

Like the previous generation, the 5580 also comes with their Extreme Temperature Controller (suffix of “EXT” on the part number) to widen the operating temperature scale from+32 to 140 oF (0 to +60oC), to -13 to +158oF (-25 to +70oC). These controllers come with a convection-cooled design, maintain all product certifications from the standard controller, and are tested to ANSI/ISA-S71.04-1985; class G3 standards. It is also recommended for customers who have previously used the LXT chassis to replace them with the K version of the chassis.

Connections

The embedded USB 2.0 (12MBps) port and dedicated Ethernet (1Gbps) port allow for communication through the following:

  • DeviceNet
  • ControlNet
  • Remote I/O
  • EtherNet/IP
  • Data Highway Plus
  • SynchLink
  • SERCOS
  • Third-party network and process devices

Network Connections per Network Module on the Local Chassis

  • 128 EtherNet/IP; 64 TCP (1756-ENBT)
  • 256 EtherNet/IP; 128 TCP (1756-EN2x)
  • 528 EtherNet/IP; 512 TCP (1756-EN4TR)
  • 40 ControlNet (1756-CNB/D, 1756-CNB/E)
  • 100 ControlNet (1756-CN2/A)
  • 128 ControlNet (1756-CN2/B)

Programming Languages

  • Function Block Diagram
  • Relay Ladder Logic
  • Sequential Function Chart (SFC)
  • Structured Text

Integrated Motion

  • Analog options such as encoder input, LDT input, and SSI input
  • SERCOS interface
  • Integrated Motion through EtherNet/IP network

Controller Memory

  • 1756-L81/L81K/L81EXT - 3 MB
  • 1756-L82/L82K/L82EXT - 5 MB
  • 1756-L83/L83K/L83EXT - 10 MB
  • 1756-L84/L84K/L84EXT - 20 MB
  • 1756-L85/L85K/L85EXT - 40 MB

Controller Memory for GuardLogix

  • 1756-L81ES/L81ESK - 3 MB user / 1.5 MB safety
  • 1756-L82ES /L82ESK - 5 MB user /2.5 MB safety
  • 1756-L83ES /L83ESK - 10 MB user /5 MB safety
  • 1756-L84ES /L84ESK - 20 MB user /6 MB safety

Conreoller Memory for Process Controllers

  • 1756-L81EP - 3 MB
  • 1756-L83EP - 10 MB
  • 1756-L85EP - 40 MB

Conformal Coating Certifications

  • ANSI/ISA 71.04.2013 G3 Environment
  • IEC 61086-3-1 Class 2
  • IPC-CC-830
  • MIL-I-46058C
  • EN60068-2-52 salt mist test, severity level 3

Redundancy Requirements

The 5580 High Availability System allows for quick switching between redundant systems in the case of loss of power, major fault, removal/insertion of any module, failure of a module, loss of an EtherNet/IP connection, and program-prompted switchover. To enable this feature, two identical 5580 systems need to contain these ControlLogix components:

  • One ControlLogix power supply
  • One ControlLogix 1756-RM2 redundancy module
  • Redundancy modules link the redundant chassis pair to monitor events in each chassis and initiate system responses as required.
  • At least one ControlLogix EtherNet/IP communication module

Redundancy Features Not Supported

  • Any motion features
  • Compact 5000 I/O
  • DeviceNet, ControlNet, RIO, and Data Highway+ networks
  • Event Tasks
  • Firmware Supervisor
  • IEC 62443-4-2 Security certification
  • Input or consumed unicast connections
  • License-based Source and Execution Protection
  • Messaging to PLC-2, PLC-3, PLC-5, SLC, and other legacy controllers
  • The embedded Gigabit Ethernet port of the controller

Conclusion

The ControlLogix is an extensive platform with many different controllers to choose from. It is important to conduct research as well as consulting guides such as these to help pick out the perfect setup for your needs. While there are many to choose from, Allen-Bradley recommends the 5580 system to be at the heart of your workflow. While that is an excellent choice, budget does play a major role in the selection of these controllers. It is up to the buyer to compromise on controller speeds for budget as these controllers all mostly follow the same specifications and process power. You wouldn’t be missing out on too much from a 5570 system compared to a 5580 system unless you want the flexibility of having the option of a single safety controller or process controllers.

Browse our selection of ControlLogix units

AutomationStop.com's online catalog offers one of the largest selections of preowned ControlLogix units in the world.

MVI56-ADM

Catalog number MVI56-ADM is a 'C' programmable application development module that was produced by ProSoft Technology. This device's backplane current load at 5 volts is rated at 800 milliamperes. It has several LED indicators for the application status, backplane transfer status, module status, and serial activity. This is a single-slot device that is compatible with a 1756 backplane, as well as local or remote racks.

MVI56-ADMNET

Product number MVI56-ADMNET is a 'C' programmable application development module with Ethernet functionality. This device utilizes ladder logic for transferring data between itself and a processor. This product is compatible with a local or remote rack, as well as a 1756 backplane. The MVI56-ADMNET uses up a single slot on a backplane. Additionally, the backplane current load of this unit is 800 milliamperes and 3 milliamperes at 5 VDC and 24 VDC, respectively. It has several LED indicators.

MVI56-AFC

Product number MVI56-AFC is a liquid and gas flow computer. Manufactured by ProSoft Technology, this device is compatible with products from Allen Bradley's ControlLogix platform. The backplane current load of this unit is 800 milliamperes at 5 VDC, as well as 3 milliamperes at 24 VDC. The MVI56-AFC is primarily used to determine flow rates, in addition to providing reports on the volume, mass, and energy created by a given liquid or gas.

MVI56-GEC

Product number MVI56-GEC, which was designed and produced by ProSoft Technology, is a Generic ASCII Ethernet communication module. This device allows processors from the ControlLogix platform to easily interface with ASCII devices utilizing the TCP/IP protocol, as well as the ControlLogix processor. At 5 volts DC, the MVI56-GEC's backplane current load rating is 800 milliamperes, while at 24 volts DC, its backplane current load rating is 3 milliamperes.

MVI56-GSC

Part number MVI56-GSC is a generic serial communication module from ProSoft Technology. This module can be used with products belonging to the ControlLogix line of products. This unit has a backplane current load rating of 800 mA and 3 mA at 5 VDC and 24 VDC, respectively. The MVI56-GSC has two (2) ASCII communication ports. This unit may be installed on a 1756 backplane.

MVI56-MBP

Product number MVI56-MBP is a Modbus Plus communication module. This module is compatible with various PLCs from Allen Bradley's ControlLogix product line. This unit's backplane current load is rated as 800 mA at 5 VDC and 3 mA at 24 VDC. It utilizes Ladder Logic to transfer data between itself and the processor.

MVI56-MCM

Catalog number MVI56-MCM is a Modbus communication module that was produced by ProSoft Technology. This module is compatible with Allen Bradley's ControlLogix controller line. This device takes up a single slot on any supported 1756 backplane. This module utilizes Ladder Logic to transfer data between itself and a processor. At 5 volts DC, the MVI56-MCM has an 800-milliampere backplane current load. Additionally, at 24 volts DC, it has a 3-milliampere backplane current load.

MVI56-MNET

Catalog number MVI56-MNET is a Modbus TCP/IP interface module from ProSoft Technology. This module is a part of the ControlLogix platform. The backplane current load of this product is 800 milliamperes at 5 VDC and 3 milliamperes at 24 VDC. This module is compatible with local and remote racks and only takes up one (1) slot on a 1756 or ControlLogix backplane.

MVI56-MNETC

The MVI56-MNETC Modbus TCP/IP communication module was designed by ProSoft Technology. The backplane current load of this product consists of 800 mA and 3 mA at 5 volts direct current (DC) and 24 volts direct current (DC), respectively. The MVI56-MNETC has three LED indicators, which include application status (APP), module status (OK), and battery status (ERR).

MVI56-MNETR

Part number MVI56-MNETR is a Modbus TCP/IP interface module with a reduced data block. This product belongs to the ControlLogix platform. This is a single-slot module that is compatible with the 1756 backplane. The MVI56-MNETR has a rated backplane current load of 800 mA and 3 mA at 5 volts direct current (DC) and 24 volts direct current (DC), respectively.

MVI56-PDPMV1

Part number MVI56-PDPMV1 is a ProSoft Technology PROFIBUS DP scanner. This module requires an Allen Bradley ControlLogix processor, a suitable power supply, and an open rack slot. The backplane current load of this product is 800 mA at 5 VDC, as well as 3 mA at 24 VDC. The MVI56-PDPMV1 is equipped with several LED status indicators.

MVI56E-GSC

The MVI56E-GSC is a ControlLogix enhanced generic ASCII serial communication module from ProSoft Technology. This module may be installed on a 1756 ControlLogix backplane and it only takes up one (1) slot. It has a 10/100 MB Ethernet port, which is used for network configuration and diagnostics. It is recommended that this product be operated in an area where the temperature ranges from 0 to 60 degrees Celsius.

MVI56E-MCM

Product number MVI56E-MCM is a Modbus communication module that was produced by ProSoft Technology. This unit has an 800 mA backplane current load at 5 volts direct current (DC), as well as a 3 mA backplane current load at 24 volts direct current (DC). This module is equipped with three (3) LED indicators that show the statuses of the battery (ERR), application (APP), and module (OK). Additionally, this product has an LED display that shows various information.

MVI56E-MCMR

The MVI56E-MCMR is a communication module manufactured by ProSoft Technology. This module is part of the ControlLogix series of products. It comes with 2 RS-232 ports and supports Modbus serial and ASCII communications. Both of these ports can enable electrical protocols such as RS-232, RS-485, and RS-422, with a configurable baud rate of 110 to 115.2 kbps. Its operating temperature is 0 °C to 60 °C, and its power rating is 800 mA at 5 VDC.

MVI56E-MNET

The MVI56E-MNET is a network interface module from the ControlLogix platform. It has a single RJ45 interface and a data rate of 10/100 Mbps. It allows a ControlLogix system to function as a MODBUS master or MODBUS client over a TCP/IP connection. Also, it facilitates data consolidation and provides human-machine interface (HMI) solutions, among its many other functions.

SST-ASI-SLC

Product number SST-ASI-SLC is an AS-Interface (AS-i) scanner module. This product was manufactured by Woodhead Industries Inc. This scanner module is equipped with a Renesas M16C processor. It also has 31 kilobytes of internal RAM, 512 kilobytes of internal flash memory, 32 kilobytes of external RAM, and 16 kilobytes of external EEPROM. The AS-i power consumption is rated at 50 milliamperes.

1751-SL4SP

The 1751-SL4SP is a 4-port splitter block manufactured by Allen Bradley. It has a supply voltage rating of 5.1 volts DC, as well as a supply current rating of 300 milliamperes. This block may be mounted via a DIN rail. The 1751-SL4SP is housed in a two-piece plastic enclosure.

1751-SLBA

Catalog number 1751-SLBA is a SynchLink block that was designed and manufactured by Allen Bradley. This device converts a SynchLink station's optical signals to electrical signals, and then re-times and retransmits them to a max of four 4-point splitter blocks simultaneously. This SynchLink block also supplies power to splitter blocks. It has input voltage and current ratings of 24 volts DC and 600 milliamperes, respectively.

1756sc-CTR8

The 1756sc-CTR8 is a ControlLogix counter module with eight single-ended inputs. This unit has an isolation voltage of 2550 VDC and runs at a counter speed of 0 to 65 kilohertz. The 1756sc-CTR8 also has an input frequency range of 0 to 65 kilohertz. The backplane current consumption of the 1756sc-CTR8 is 230 mA and 75 mA at 5 VDC and 24 VDC, respectively.

1756sc-IF8H

Product number 1756sc-IF8H is a HART analog module belonging to the ControlLogix platform. This device is a product of Spectrum Controls. This module has eight differential voltage or current inputs. It may be installed on a ControlLogix or ProcessLogix chassis. The input ranges of the 1756sc-IF8H include +/-10.25 volts, 0-10.25 volts, 0-5.125 volts, 0-20.58 milliamperes, and 3.42-20.58 milliamperes. Additionally, the isolation voltage of this product is rated as 2550 volts DC from the terminal block to the backplane.

1756sc-IF8u

The 1756sc-IF8U is a universal input module with 8 channels. Its compatible thermocouple sensors include J, K, T, B, E, R, S, N, and C. The isolation rating of this module is 1000 volts DC continuous between the inputs and the chassis ground, as well as between the inputs and the backplane. The 1756sc-IF8u also has an isolation rating of 12.5 volts DC continuous between its channels.

AN-X2-AB-DHRIO

The AN-X2-AB-DHRIO, a product of ProSoft Technology, is a communication module that uses the Ethernet/IP network and aids connection to the DH+ Gateway or a remote input/output (I/O). It has a single RJ45 port with a transmission speed of 10 to 100 Megabytes per second. It has one Phoenix power connector that has 3 pins. It consumes 100 milliamperes at 24 volts direct current (DC) and 200 milliamperes at 12 volts direct current (DC), and it has a maximum power dissipation rating of 2.4 watts.

ILX56-MM

Catalog number ILX56-MM is classified as an inRAx message manager for industrial communications. This unit was designed and produced by ProSoft Technology, and it works with products from the ControlLogix platform. This device has two (2) Ethernet ports and is compatible with local or remote racks. The power rating of the ILX56-MM is 1000 mA at 5 VDC.

1756-IB16S

The 1756-IB16S I/O module from Allen Bradley acts as a digital safety device and is created specifically to assure the safety of GuardLogix control systems. It has 16 sinking inputs. The 1756-IB16S is compatible with 1756 ControlLogix chassis. It has a backplane current rating of 280 milliamperes at 5.1 volts DC. The field rating of this module is 1.8 amperes at 18 to 32 volts DC. Additionally, the isolation voltage of this unit is 60 volts (continuous).

1756-CMS1B1

Allen Bradley's 1756-CMS1B1 compute module is for the ControlLogix platform. It has a 5.1 VDC voltage rating. This unit has a current rating of 1.4 amperes. It has two (2) 1 Gb Ethernet ports, a USB port, and an integrated display port. It can be connected to a monitor via the display port. The onboard memory of this module consists of 4 GB of random-access memory (RAM).

MVI56E-LDM

The MVI56E-LDM is a "C" programmable Linux application development module from ProSoft Technology. The MVI56E-LDM module is a ControlLogix backplane-compatible module that allows Allen Bradley ControlLogix processors to connect to any Ethernet or serial device. The module requires a 5-volt DC supply voltage to operate. The module ships with one (1) null modem cable (15-wire), two (2) configuration/debug ports to DB-9 adapters (14-wire), and two (2) 1454-9F connectors for RS-422/RS-485 connections.

1756-L81ES

Part number 1756-L81ES belongs to the GuardLogix series of products and is a safety controller manufactured by Allen Bradley. It includes a built-in Ethernet and USB port for the purpose of communication. It has a user memory and safety memory of 3 Megabytes and 1.5 Megabytes, respectively. It is capable of undertaking 32 tasks at a time and running 1000 programs per task. The maximum power dissipated is 6.2 watts.

1756-L8SP

Part number 1756-L8SP is a GuardLogix controller that was manufactured by Allen Bradley. This device has a rated current draw of 5 milliamperes and 1.20 milliamperes at 1.2 volts DC and 5.1 volts DC, respectively. Additionally, this unit dissipates 6.2 watts of power. Furthermore, the thermal dissipation rating of the 1756-L8SP is 21.2 BTU/hr. This product has an approximate weight of 0.394 kilograms.

1756-L84ES

Product number 1756-L84ES is a controller from Allen Bradley. This device is a part of the GuardLogix 5580 series of products. It supports up to 250 Ethernet/IP nodes. This controller has 20 Megabytes (MB) of user memory and 6 Megabytes (MB) of safety memory. The 1756-L84ES has one (1) full-speed USB 2.0 Type B port, as well as one (1) Ethernet/IP port that supports link speeds of 10 Mbps, 100 Mbps, and 1 Gbps.
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