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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.

1756-2WS

Product number 1756-2WS is a weigh scale module from Hardy Instruments. This product was designed to be compatible with the ControlLogix line of products from Allen Bradley. This is a dual-channel module with a conversion rate of 50 updates per second. It also has an internal resolution of 1:8,388,608.

1756-A10

Product number 1756-A10, which was manufactured by Allen Bradley, is a ControlLogix chassis with ten (10) slots. This chassis was designed to support mounting in a horizontal orientation. To fill up empty slots, the 1756-N2 slot filler is required. The maximum backplane current though the chassis is 1.5 amperes at 1.2 volts DC, 4 amperes at 3.3 volts DC, 15 amperes/6 amperes at 5.1 volts DC, and 2.8 amperes at 24 volts DC. The operating temperature recommended for this device ranges from 0 to 60 degrees Celsius.

1756-A13

The 1756-A13 is an Allen Bradley chassis that was designed for use with ControlLogix controllers. This chassis has a total of thirteen (13) slots. It has a backplane current rating of 2.8 amperes at a 24-volt DC voltage. This chassis also has a 5.4-watt power dissipation rating. The physical dimensions of this chassis measure 60.9 cm x 76.2 cm x 20.3 cm (24 inches x 30 inches x 8 inches). This Allen Bradley chassis should be mounted in a horizontal orientation. The 1756-A13 has an approximate weight of 1.90 kilograms.

1756-A17

The 1756-A17 is a 17-slot chassis designed for the 1756 ControlLogix I/O modules. This module has a backplane current of 1.2 amperes per slot at 1.2 Volts DC and 2.8 amperes at 24 Volts DC. The chassis has a max power dissipation of 6 watts and can only be mounted in a horizontal orientation. The 1756-A17 chassis has an approximate weight of 2.2 kilograms.

1756-A4

The 1756-A4 is an Allen Bradley chassis designed for 1756 ControlLogix communications modules. This chassis has a backplane current rated at 2 amperes at 24 volts DC. The maximum power dissipation of this chassis is 3.7 watts, and the isolation voltage is dependent on the communication module itself. The 1756-A4 has four (4) slots and is meant to be mounted in a horizontal orientation.

1756-A5XT

The 1756-A5XT is a ControlLogix-XT chassis from Allen Bradley. This chassis has a total of five (5) slots. The dimensions of the chassis measure 20 inches x 30 inches x 8 inches, and its weight is approximately 3.2 pounds. It can be horizontally mounted on a panel. Additionally, the maximum power dissipation of this ControlLogix-XT chassis is 4.4 watts. This chassis should be used when the temperature of the surrounding area falls within the range of -25 to 70 degrees Celsius.

1756-A7

The Allen Bradley1756-A7 is a ControlLogix chassis designed for ControlLogix control modules. This chassis is intended to be installed in a horizontal orientation. Users may connect any module into any of the chassis' seven slots. The backplane facilitates high-speed communication between modules. The temperature range for this chassis is 0 to 60 degrees Celsius.

1756-BATM

The 1756-BATM is a ControlLogix battery module from Allen Bradley. This product is comprised of one 10-gram lithium battery and a 3.28-foot cable, which connects the entire unit to a controller. It has a battery discharge current of 20 mA maximum. Additionally, it has a maximum input rating of 15 mA at 5.1 VDC. 

1756-CFM

The 1756-CFM is a configurable flowmeter module designed by Allen-Bradley. This device is included in the ControlLogix series of products. This unit has four inputs and two current sourcing outputs. The rated power dissipation of the 1756-CFM is a maximum of 6 watts at 60 °C. Additionally, the rated thermal dissipation is 20.4 BTU/hr.

1756-CJC

The 1756-CJC is a cold junction compensation kit from Allen Bradley's ControlLogix platform. This kit comes with two jumpers and is compatible with the 1756-IRT8I and 1756-IT16 modules. It is also compatible with the 1756-TBNH and 1756-TBSH removable terminal blocks. This unit comes in an open-style enclosure, and its power dissipation rating is a maximum of 6 watts at 60 degrees Celsius.

1756-CN2

The Allen Bradley 1756-CN2 is a 1756 ControlLogix communication module with 128 ControlNet connections. The communication rate supported by this product is 5 Megabytes per second (Mbps). This communication module draws 3 milliamperes of current at 24 volts DC, and it dissipates 5.6 watts of power. This module is compatible with the 1756-A4 chassis. The 1756-CN2 is equipped with one (1) ControlNet BNC port. 

1756-CN2R

Part number 1756-CN2R is a redundant ControlNet communications module. This module can make up to 128 Logix communication connections and supports up to 131 connections. The ControlNet communication rate of the 1756-CN2R is 5 Megabytes per second (Mbps). At 5.1 volts direct current (DC), this product draws 1300 milliamperes of current. Additionally, at 24 volts direct current (DC), this module draws 3 milliamperes of current. The weight of the 1756-CN2R is approximately 0.293 kilograms (0.64 pounds).

1756-CN2RXT

Part number 1756-CN2RXT is an Allen Bradley 1756 ControlNet-XT module with a redundant configuration. The ControlNet communication rate of this module is 5 Mbps. The voltage rating of this device is 5.1 volts DC with a current rating of 1.3 amperes. The 1756-CN2RXT has one (1) USB 1.1 full-speed port and two (2) ControlNet BNC ports.

1756-CNB

Product number 1756-CNB is a standard ControlNet communications module from Allen Bradley. This device has a ControlNet communication rate of 5 Megabytes per second. This module supports up to 64 connections and 99 nodes. The current draw of the 1756-CNB is 970 milliamperes at 5.1 volts DC and 1.7 milliamperes at 24 volts DC. This module has an approximate weight of 0.26 kilograms (0.57 pounds).

1756-CNBR

The Allen Bradley 1756-CNBR is a communication module belonging to the ControlLogix series. The number of ControlNet logical connections range from 40 to 48. Additionally, this device supports up to 64 connections. Both the ControlNet and simplex network are supported by a pair of ControlNet ports. The rate at which data is transferred is 5 Mbps and the module can support up to 99 nodes. The rated backplane current for this product is 1.0 ampere at 5.1 volts, as well as 1.7 milliamperes at 24 volts.

1756-CP3

The 1756-CP3 is a programming cable manufactured by Allen Bradley and is featured in the ControlLogix product line. This cable has a length that measures 10 feet or the equivalent of 3 meters. This cable has a right-angle female 9-pin D-shell connector on the controller end and a straight female 9-pin D-shell connector on the computer end.

1756-CPR2

The 1756-CPR2 is a redundant power supply cable that was designed by Allen Bradley. It can be connected to redundant power supply modules. The length of this cable measures 0.91 meters (3 feet). The recommended temperature range of this product is 0 to 60 °C, and it weighs approximately 0.679 kilograms. This cable can support a 5 Mbps ControlNet communication rate. 

1756-DHRIO

The 1756-DHRIO, which is a communication interface module, was designed and produced by Allen Bradley. It belongs to the ControlLogix series of products and is capable of supporting the data highway plus (DH+) protocol and remote input/output (I/O). It features two (2) ports and draws a maximum current of 850 milliamperes at 24 volts DC. The maximum power released is 4.5 watts and the operating temperature lies between 0 and 60 degrees Celsius.

1756-DMA31

The 1756-DMA31 is a single-slot ControlLogix drive module. This device interfaces with Reliance Electric Distributed Power System (DPS) drive equipment. The 1756-DMA31 performs velocity, torque, and position control by interfacing with a power module interface (PMI) chassis.

1756-DMD30

The Allen-Bradley 1756-DMD30 is a ControlLogix drive module. The 1756-DMD30 employs velocity, position, and outer torque control. This drive module has a backplane current rating of 1.35 amperes at 5.1 volts DC, as well as 3.0 milliamperes at 24 volts DC. Additionally, this product has a rated power dissipation of 6.96 watts max, in addition to a rated thermal dissipation of 23.7 BTU per hour. The 1756-DMD30 may be mounted on a 1756 ControlLogix chassis.

1756-DNB

Part number 1756-DNB is a DeviceNet scanner module. This device was designed and produced by Allen Bradley as part of the ControlLogix platform. The DeviceNet communication rates supported by this product include 125 kbps, 250 kbps, and 500 kbps. The backplane ratings of this module include 5.1 volts DC and 400 milliamperes. Additionally, the DeviceNet power rating of the 1756-DNB is 60 milliamperes at 11...2 volts DC. It has a rated isolation voltage of 50 volts (continuous) with a basic insulation type.

1756-EN2F

The Allen Bradley 1756-EN2F belongs to the ControlLogix series of products as an Ethernet/IP module. This device supports 128 TCP connections, as well as 256 CIP connections. This module has an Ethernet/IP communication rate of 10/100 Mbps. Additionally, the current draw of this product is 1.2 amperes at 5.1 volts DC and 3 milliamperes at 24 volts DC. The 1756-EN2F has one (1) Ethernet fiber port, as well as a USB 1.1, full speed (12 Mbps) port. The isolation voltage of this module is rated at 30 volts continuous.

1756-EN2T

Part number 1756-EN2T is an Ethernet/IP interface module that was manufactured by Allen-Bradley and belongs to the ControlLogix series of products. Information transfer is at a speed of 10 to 100 Megabytes per second (Mbps) and is integrated with a single RJ45 terminal that enables the device to be connected to the Ethernet network, as well as a USB 1.1 port. The module current is rated as 1.2 amperes, and it has an insulation voltage of 30 volts continuous.

1756-EN2TR

The Allen-Bradley 1756-EN2TR is a communication module belonging to the ControlLogix series. It consists of two RJ45 ports that aid with connection to the Ethernet network and one USB 1.1 terminal. It has an embedded Ethernet switch that is capable of supporting up to 8 axes of motion. The power used up is given as 5.1 watts with a current rated at 1.2 amperes.

1756-EN2TRK

The Allen Bradley 1756-EN2TRK is an EtherNet/IP network communication module with a 10/100 Mbps communication rate. This EtherNet/IP bridge directs messages to linked devices through dual copper media for a higher standard connection. It has a conformal coating and also has embedded switches.

1756-EN2TSC

Catalog number 1756-EN2TSC is an EtherNet/IP secure communication module that was designed and manufactured by Allen Bradley. This unit has a voltage rating of 5.1 volts DC, as well as a current rating of 1 ampere. It has an isolation voltage rated at 30 volts (continuous) from the Ethernet to the backplane, USB to the backplane, and USB to the Ethernet.

1756-EN2TXT

The 1756-EN2TXT is an EtherNet/IP bridge from the ControlLogix-XT series of products. It has 256 Logix connections and 128 TCP/IP connections. This product has a 5.1-watt rated power dissipation, a 30-volt continuous isolation voltage, and 1-ampere rated current draw at 5.1 volts DC. The 1756-EN2TXT has one (1) Ethernet RJ45 port and one (1) USB 1.1 full-speed port.

1756-EN3TR

Manufactured by Allen Bradley, catalog number 1756-EN3TR is a 1756 ControlLogix EtherNet/IP module with an EtherNet/IP communication rate of 10/100 Mbps. This unit draws 1 ampere of current at 5.1 volts DC, as well as 3 milliamperes of current at 24 volts DC. The 1756-EN3TR has a rated isolation voltage of 30 volts (continuous) from the Ethernet to the backplane, the USB to the backplane, and the USB to the Ethernet. This device has two (2) Category 5 Ethernet RJ45 ports and one (1) full-speed USB port.

1756-ENBT

The 1756-ENBT is an Ethernet/IP interface module belonging to the ControlLogix series of products. It consists of up to 64 TCP/IP connections and 128 CIP connections. The rate at which the transmission of data occurs is 10 to 100 megabytes in either half duplex mode or full duplex mode, and it consists of a single RJ45 port. The current that is drawn by the device is 700 milliamperes at 5.1 volts direct current (DC) with a power dissipation rating of 3.7 watts.

1756-ENET

The 1756-ENET is a communication module supporting a 10 Mbps Ethernet data rate. It is part of the ControlLogix product family. It consumes up to 350 mA of backplane current and comes in an open enclosure. Its operating temperature ranges from 32 to 140 degrees Fahrenheit (0 to 60 degrees Celsius). It includes one RJ-45 Ethernet protocol interface and one AUI port for module maintenance and localized configuration.

1756-EWEB

Part number 1756-EWEB is an Ethernet/IP web server module. This device was designed and produced by Allen Bradley / Rockwell Automation, and it is part of the ControlLogix line of products. This product has one (1) Ethernet RJ-45 interface integrated into its design. This interface can transmit data at a 10/100 Mbps speed. The 1756-EWEB has a 30-volt (continuous) rated isolation voltage. At a supply voltage of 5.1 volts DC, this unit's current rating is 700 mA. Additionally, at a supply voltage of 24 volts DC, this unit's current rating is 3 mA.

1756-HIST1G

Product number 1756-HIST1G is a FactoryTalk Historian Machine Edition module from Allen Bradley / Rockwell Automation. At a 5.1-volt DC supply voltage, this unit has an 800-milliampere current rating, while at a 24-volt DC supply voltage, the current rating is 3 milliamperes. The 1756-HIST1G's rated isolation voltage is 30 volts (continuous) with basic insulation.

1756-HIST2G

The 1756-HIST2G is a Historian ME module and is 2 GB. It is a product of Allen Bradley and belongs to the ControlLogix family of products. It is equipped with an LED indicator and can display up to 4 characters at a time. It consumes a maximum of 7 watts. The available number of ports is 1 Ethernet port. This product has current ratings of 800 milliamperes at 5.1 volts DC and 3 milliamperes at 24 volts DC. It also has an isolation voltage rating of 30 volts continuous.

1756-HSC

The 1756-HSC is a high speed counter that is a part of the ControlLogix product line and is a product of Allen Bradley. It consists of two (2) counters with three (3) input points per counter, whereas the total number of output points is four (4). The maximum power released is 5.6 watts at 60 degrees Celsius. The rated current draw at 24 VDC is 3 mA, while at 5.1 VDC, the rated current draw is 300 mA. This product is compatible with various removable terminal blocks, including the 1756-TBCH and the 1756-TBS6H.

1756-HYD02

The 1756-HYD02 is a hydraulic servo module from the ControlLogix series. It connects to a 1756 ControlLogix controller and is used to precisely regulate and position hydraulic cylinders. It has solid-state isolated relay contacts with a 24 Volts DC operating voltage. This unit's count range is 0-16, 214, and 777. It has a 230,000 LDT count absolute position range and a 32-bit floating-point gain resolution.

1756-IA16

Catalog number 1756-IA16 is an AC digital input module from Allen Bradley. This product has sixteen (16) input channels that are divided into two (2) groups of eight (8) input channels each. The 1756-IA16 has a voltage category of 120 volts alternating current (AC) at 50/60 hertz. This input module operates at a voltage that ranges from 74 volts AC to 132 volts AC at a 47 to 63-hertz frequency. The 1756-IA16 is compatible with the 1756-TBNH and 1756-TBSH RTBs.

1756-IA16I

Manufactured by Allen Bradley, product number 1756-IA16I is a digital input module with sixteen input points that are individually isolated. This device has a 120-volt AC voltage rating at 50/60 hertz. The operational voltage rating of this digital input module ranges from 79 to 132 volts AC at 47 to 63 hertz. The 1756-IA16I has a current draw rating of 125 milliamperes at 5.1 volts, as well as 3 milliamperes at 24 volts.

1756-IA32

The 1756-IA32 is an alternating current (AC) digital input module belonging to the ControlLogix product line. It has 32 input points that are subdivided into two groups of 16 points each and allows for a voltage signal that is between 74 and 132 volts. At the on-state, the nominal input voltage is 120 volts AC at a 50/60-hertz frequency. The maximum power dissipated at 60 degrees Celsius is 6.1 watts. This module can easily be installed onto a 1756 I/O chassis.

1756-IA8D

Product number 1756-IA8D is an AC digital diagnostic input module. This device has eight (8) diagnostic inputs that are divided into two (2) groups of four (4) inputs each. This unit operates via a voltage range of 79 volts AC to 132 volts AC at 47 hertz to 63 hertz. The 1756-IA8D draws 100 mA of current at 5.1 volts, as well as 3 mA at 24 volts. The maximum rated inrush current of this device is 250 milliamperes.

1756-IB16

The Allen Bradley 1756-IB16 is a digital input module from the ControlLogix series. This unit is a DC input module that can be connected to the 1756 chassis. It has 16 sinking input points divided into 2 groups, each with 8 inputs. It consumes a maximum of 10 milliamperes at 31.2 volts DC. Its DC sink input voltage range is 12 to 24 volts.

1756-IB16D

Catalog number 1756-IB16D is a DC digital input module from Allen Bradley. This unit has sixteen (16) diagnostic input channels divided into four (4) groups of four (4) input channels. The inputs of this device have a voltage rating of 24 volts DC. Additionally, the 1756-IB16D operates via a voltage ranging from 10 to 30 volts DC. The maximum inrush current of this module is 250 milliamperes.

1756-IB16I

Part number 1756-IB16I is an Allen Bradley digital DC input module. This product has sixteen individually isolated input channels and is rated at 12/24 volts DC sink/source. The voltage required for this product to operate ranges from 10 to 30 volts direct current (DC). Additionally, this module's nominal input voltage is rated at 24 volts direct current (DC). The 1756-IB16I has a 0.58-watt total backplane power rating.

1756-IB16IF

Product number 1756-IB16IF from Allen Bradley is a ControlLogix digital input module. This unit has 16 input points that are individually isolated. This unit operates at a voltage ranging from 10 - 30 volts DC. Each input point has a nominal voltage rated at 24 volts DC. This device draws 275 mA at 5.1 volts, in addition to 3 mA to 24 volts. The 1756-IB16IF has a maximum input impedance rating of 6 kilo-ohms at 30 volts DC.

1756-IB16ISOE

Produced by Allen Bradley, product number 1756-IB16ISOE is a ControlLogix sequence of events input module. This unit has sixteen (16) individually isolated input points. This device operates at 10 to 55 volts DC, while the input points have a nominal input voltage rated at 24 volts DC. The total backplane power of the 1756-IB16ISOE is rated at 1.7 watts.

1756-IB32

The 1756-IB32 is an Allen Bradley device belonging to the ControlLogix series of products. It is a direct current (DC) digital input module. This device has a total of 32 input channels, which are divided into two groups of 16 channels each. The device draws out 2 amperes of current at 24 volts DC and 120 milliamperes of current at 5.1 volts DC. The maximum power dissipation rating of this module, at 60 degrees Celsius, is 6.2 watts. This device has a maximum inrush current of 250 milliamperes with a maximum input impedance of 5.67 kilo ohms at 31.2 volts DC.

1756-IC16

The 1756-IC16 is a DC input module included in the ControlLogix product line. With 16 input points, its voltage range is 48 volts DC sinking. The device runs on 30-60 VDC. At the same time, the rated power consumption is 2 mA at 30 VDC and 7 mA at 60 VDC. The maximum off-state current of the 1756-IC16 is 1.5 amperes.

1756-IF16

The Allen Bradley 1756-IF16 is an analog input module belonging to the ControlLogix series. The type of wiring supported includes differential wiring, high speed wiring, and single-ended wiring with the number of input ports for each type of wiring being 8, 4, and 16, respectively. The backplane power rating of this module is 2.3 watts. Additionally, the backplane current of this device is 150 milliamperes at 5.1 volts DC, as well as 65 milliamperes at 24 volts DC.

1756-IF16H

The 1756-IF16H input module is an Allen-Bradley product belonging to the ControlLogix product line, and it includes the HART protocol. The device consists of 16 differential input channels for current with each channel having a separate HART modem. The resolution of the device is at 16 to 21 bits and the maximum backplane power backplane consumed is 4.02 watts. The input range od this unit is 0 to 20 milliamperes and 4 to 20 milliamperes. This module has an input impedance of 249 ohms.

1756-IF4FXOF2F

Catalog number 1756-IF4FXOF2F is a 1756 ControlLogix high-speed analog I/O module from Allen Bradley. This module has 36 connectors designed for different functions. This module draws 100 milliamperes of current at 24 volts DC input and consumes 4.3 watts of power. This module utilizes the IEEE 32-bit floating-point data format. The input voltage range of this device is ± 10 volts. The 1756-IF4FXOF2F has a resolution of 14 bits across 10.5 volts DC, as well as 12 bits across 21 milliamperes. 

1756-IF6CIS

The 1756- IF6CIS is an analog input/output module and a product of the Allen Bradley. It belongs to the ControlLogix series of products. This module has a total of six (6) current sourcing inputs that are also isolated. The input current signal is from 0 to 21 milliamperes. The device has a rated backplane of 275 milliamperes at a voltage rated 24 volts. The power given off at 60 degrees Celsius is 5.1 watts.

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