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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-IF6I

Part number 1756-IF6I, which was manufactured by Allen Bradley, belongs to the ControlLogix series of products and is an analog input module. This device has 6 individually isolated input channels. The total backplane power of this product is 3.7 watts, along with a current draw of 100 milliamperes at 24 volts and 250 milliamperes at 5.1 volts. It has an isolation voltage rated at 250 volts continuous with a basic insulation type. The recommended operational temperature for this product is 0 to 60 degrees Celsius.

1756-IF8

Part number 1756-IF8 is a ControlLogix 5580 analog input module. This device has a total of eight (8) single-ended input points, four (4) differential input points, and two (2) high-speed differential input points. Additionally, the input voltage ranges of the 1756-IF8 consist of +/- 10 volts, 0 to 10 volts, and 0 to 5 volts, along with an input current range of 0 to 20 milliamperes. This module has a current draw of 150 mA at 5.1 volts and 40 mA at 24 volts. Furthermore, the total backplane power of this product is 1.73 watts.

1756-IF8H

The Allen Bradley 1756-IF8H is a HART interface module that is a part of the ControlLogix I/O line of products. This module has a total of eight differential voltage or current input channels, as well as one HART modem. The input voltage ranges of this product include +/-10 volts, 0 to 5 volts, 1 to 5 volts, and 0 to 10 volts. Additionally, the input current ranges of the 1756-IF8H include 0 mA to 20 mA and 4 mA to 20 mA. This unit has a resolution of 16 to 21 bits. The 1756-IF8H has 4.77 watts total of backplane power.

1756-IF8I

Part number 1756-IF8I a product of Allen-Bradley that belongs to the ControlLogix series of products. It is an input module of the analog type and it consists of eight current/voltage input points that are isolated and allows for input signals that ranges from +/- 10 volts, 0 to 5 volts, 0 to 10.5 volts, and 0 to 21 milliamperes. The conversion mode of this product is Sigma-Delta, and it also has a resolution of 24 bits.

1756-IG16

Catalog number 1756-IG16 is a transistor-transistor logic (TTL) input module that was manufactured by Allen Bradley. It features sixteen input points in which they are divided into two groups of eight points. This device has an operating voltage that ranges from 4.5 to 5.5 volts direct current (DC). The total backplane power of this unit is 0.61 watts. It is not equipped with an enclosure.

1756-IH16I

The 1756-IH16I is a digital isolated input module belonging to Allen Bradley's ControlLogix product range. It has 16 isolated inputs. Its input voltage range is 125 VDC sink/source. The operating voltage of the 1756-IH16I ranges from 90 to 146 VDC. It draws 1 mA at 90 VDC minimum, while its maximum operating current draw is 3 mA at 146 VDC. It requires a 36-pin RTB (removable terminal block) for housing before being connected to a ControlLogix chassis.

1756-IH16ISOE

Product number 1756-IH16ISOE is a DC digital sequence of events input module. This device was manufactured by Allen Bradley as part of the 1756 ControlLogix product platform. This unit has 16 inputs that are individually isolated. The 1756-IH16ISOE operates at a voltage ranging from 90 VDC to 140 VDC. Additionally, the nominal input voltage of this module is rated at 125 VDC. The 1756-IH16ISOE input module has a rated input impedance of 74.8 kilo-ohms maximum.

1756-IM16I

Part number 1756-IM16I is an Allen Bradley AC digital input module belonging to the 1756 ControlLogix line of products. This device has sixteen input points that are individually isolated, and are rated at 240 volts AC at 50/60 hertz. The operating voltage of this module should range from 159 to 265 volts AC at a 47- to 63-hertz frequency. The 1756-IM16I draws 100 mA at 5.1 volts, as well as 3 mA at 24 volts.

1756-IN16

Catalog number 1756-IN16 is an AC digital input module from Allen Bradley. This device belongs to the 1756 ControlLogix line of products. The 1756-IN16 has sixteen (16) input points that are divided into two (2) groups of eight (8) input points each. The 1756-IN16 operates at a voltage ranging from 10 volts AC to 30 volts AC at a frequency ranging from 47 hertz to 63 hertz. The total backplane power of this unit is rated at 0.56 watts. Additionally, the rated inrush current of this device is a maximum of 250 milliamperes.

1756-IR12

Product number 1756-IR12 is an analog input module that was produced by Allen Bradley. This module belongs to the 1756 ControlLogix product series. The 1756-IR12 has twelve (12) RTD mode input channels with input ranges of 1 - 500 ohms, 2 - 1000 ohms, 4 - 2000 ohms, and 8 - 4000 ohms. This module has a 24-bit resolution. This device has an RTD excitation current rated at 600 microamperes.

1756-IR6I

The Allen Bradley 1756-IR6I, which belongs to the ControlLogix series of products, is an analog input module. It has 6 individually isolated resistance temperature detector (RTD) input channels. This module has an input range of 1 - 487 ohms, 2 - 1000 ohms, 4 - 2000 ohms, and 8 - 4000 ohms. It has a 16-bit resolution. This analog input module has a current draw rated at 250 mA at 5.1 volts and 125 mA at 24 volts. This product has a total backplane power of 4.25 watts.

1756-IRT8I

The 1756-IRT8I is an input module of the analog type, which belongs to the ControlLogix series of products. It has eight isolated input points and 36 pins. The module is compatible for use with sensors like thermocouple sensors and resistance temperature detectors (RTDs). This device has a backplane current of 2 milliamperes at 24 Volts and the scanning time is 1 millisecond. The maximum power released is 4.6 watts.

1756-IT16

The 1756-IT16 is a ControlLogix thermocouple analog input module from Allen-Bradley. This module has 16 channels and requires two (2) 756-CJC thermocouple sensors. The 1756-IT16 has a 24-bit resolution and an input voltage that ranges from -100 to 100 millivolts. This device supports various thermocouple sensors, such as Types B, C, D, E, and much more. The module dissipates 3 watts of power and has a thermal dissipation rating of 9.9 BTU/hr.

1756-IT6I

The Allen Bradley 1756-IT6I analog thermocouple module, which is a part of the ControlLogix product line, has 6 individually isolated thermocouple points with 20 pins. The type of thermocouple acceptable for use with the device is B, E, J, K, R, S, T, N, C, D and L with an input resolution of 16 bits. The amount of power released from the device is 4.3 watts, and it draws out 2 milliamperes of current at 24 volts and 250 milliamperes of current at 5 volts.

1756-IT6I2

The 1756-IT6I2 is an analog input module that was manufactured by Allen Bradley as part of the ControlLogix series of products. This product has a total of six (6) individually isolated thermocouple input channels. Additionally, the 1756-IT6I2 has input ranges of -12 to 78 mV and -12 to 30 mV. Furthermore, it has a 16-bit resolution. The maximum power dissipation rating of this module is 4.6 watts. It has an isolation voltage rating of 250 volts (continuous). It is recommended to operate this module within a temperature range of 0 to 60 degrees Celsius.

1756-IV16

Catalog number 1756-IV16 is a DC digital input module that was produced by Allen Bradley as part of the ControlLogix series of products. This product has sixteen input channels in which they are separated into two groups of eight input channels each. The 1756-IV16 has a maximum inrush current rated as 250 milliamperes. Additionally, the isolation voltage of this input module is rated as 250 volts continuous.

1756-IV32

Catalog number 1756-IV32 is a DC digital input module that was designed by Allen Bradley as part of the ControlLogix product line. This product has thirty-two (32) input points rated at 12/24 volts DC source. The operating voltage range for the 1756-IV32 is 10 to 30 volts DC while the nominal input voltage is rated as 24 volts DC. This is a single-slot device with no enclosure.

1756-L1

Catalog number 1756-L1 is a ControlLogix 5550 controller from Allen Bradley. This device has an isolation voltage rating of 30 volts continuous with a basic insulation type. The recommended temperature for this controller's operation ranges from 0 to 60 degrees Celsius.

1756-L1M1

Manufactured by Allen Bradley / Rockwell Automation, part number 1756-L1M1 is a ControlLogix5550 controller. This product has a rated isolation voltage of 30 volts (continuous). It does not have an enclosure and, therefore, is classified as an open-style device. It is recommended that the 1756-L1M1 be operated within an ambient temperature range of 0 to 60 degrees Celsius.

1756-L1M2

The 1756-L1M2 is a processor module from Allen Bradley's ControlLogix series of products. It has a user memory of 1 MB but no nonvolatile memory.  It can control local and remote I/O. It weighs 0.35 grams and has an open-style enclosure. This controller emits pollutants in Group 1, Class A. Its max power dissipation is 4.1 watts at 60 degrees Celsius.

1756-L1M3

Catalog number 1756-L1M3 is a ControlLogix5550 controller from Allen Bradley. This controller has an isolation voltage rated at 30 volts (continuous) with basic insulation. The isolation voltage runs through the RS-232 port to the system. This device requires the use of the 1756-BA1 replacement battery. The 1756-L1M3 ControlLogix5550 controller is not equipped with an enclosure.

1756-L55

The 1756-L55 is a ControlLogix5555 controller from Allen-Bradley/Rockwell Automation. This product has a backplane current rating of 1.23 to 1.25 amperes at 5.1 volts direct current (DC), as well as 0.014 amperes at 24 volts direct current (DC). Additionally, the 1756-L55 has a 30-volt (continuous) rated isolation voltage. This is an open-style device, meaning it does not have an enclosure. The weight of the 1756-L55 is approximately 0.35 kilograms.

1756-L55M12

The 1756-L55M12 is a controller designed by Allen Bradley as part of the ControlLogix line of products. It has an available memory of 750 kilobytes for data and logic, as well as 208 kilobytes of I/O memory. This unit does not have any non-volatile backup memory. At 5 volts DC, the 1756-L55M12 has a backplane current draw of 1.23 amperes. In addition to that, at 24 volts DC, the rated backplane current draw is 14 milliamperes.

1756-L55M13

Part number 1756-L55M13 is a controller module that was designed by Allen Bradley as part of the ControlLogix 5555 product line. This device has 1.5 Megabytes (MB) of random-access memory (RAM), as well as a backplane current rated at 14 milliamperes at 24 volts direct current (DC). IT has an isolation voltage rating of 30 volts (continuous) with a basic insulation type. It is recommended that this unit be operted at a temperature ranging from 0 to 60 degrees Celsius.

1756-L55M14

Product number 1756-L55M14 is a controller belonging to the ControlLogix5555 series of products. This unit was designed and produced by Allen Bradley. The isolation voltage of this controller is rated at 30 volts (continuous) with a basic insulation type. The 1756-L55M14 does not have an enclosure.

1756-L55M16

Part number 1756-L55M16 is a ControlLogix5555 controller that was designed and produced by Allen-Bradley / Rockwell Automation. This device has a 30-volt (continuous) rated isolation voltage. This controller is compatible with 1756-CP3 programming cables, as well as 1747-CP3 serial cables. Additionally, the 1756-L55M16 controller is compatible with 1756-BA1 batteries. The operating temperature of this device should range from 0 to 60 degrees Celsius.

1756-L55M22

Catalog number 1756-L55M22 is an Allen Bradley controller belonging to the ControlLogix5555 series of controllers. This device has 750 kilobytes of data and logic memory, as well as 208 kilobytes of I/O memory. This controller has non-volatile memory. The backplane current of this controller is rated at 1.23 amperes at 5.1 volts DC and 0.014 amperes at 24 volts DC. The approximate weight of the 1756-L55M22 is 0.35 kilograms (12.5 ounces).

1756-L55M23

Allen Bradley manufactured the 1756-L55M23 controller module. This product is part of the ControlLogix series of products. It has multitasking capabilities that help dedicate processing time to different operations in various applications. It also contains logic and data grouping routines. It has a 0.08-millisecond rated scan time for programs, and it draws 1.23 amperes of backplane current a 5-volt DC rated voltage.

1756-L55M24

Product number 1756-L55M24 is a ControlLogix5555 controller that was designed and manufactured by Allen-Bradley / Rockwell Automation. The 1756-L55M24 controller has 3.5 Megabytes (MB) of data and logic memory, in addition to 208 kilobytes (KB) of I/O memory. This product has non-volatile memory. At 5.1 volts DC, the backplane current of this device is rated at 1.25 amperes, while at 24 volts DC, it is rated at 0.014 amperes. The rated power dissipation is 5.7 watts, while the rated thermal dissipation is 19.4 BTU/hr.

1756-L60M03SE

The 1756-L60M03SE is an Allen-Bradley 1756 ControlLogix legacy controller. This controller has 750 kilobytes of data and logic memory, 458 kilobytes of I/O memory, and it has non-volatile memory. At 4.99 volts DC, the 1756-L60M03SE has a 1.29-ampere rated backplane current. This device has a power dissipation rating of 3.51 watts and a thermal dissipation rating of 11.90 BTU/hr. The controller weighs 0.52 kilograms and is CE, IEC, and CSA certified.  

1756-L61

The 1756-L61 controller module belonging to the ControlLogix product line has a fixed input/output memory of 2 Megabytes, as well as an input/output memory of 478 kilobytes. The unit can manage a maximum connection of 250 controllers. To backup memory, a CompactFlash card is applicable. This controller module is equipped with a single RS-232 serial port, and may communicate via Ethernet/IP, ControlNet, DeviceNet, Data Highway Plus, and much more.

1756-L61S

The 1756-L61S GuardLogix controller is part of the ControlLogix product series. It has 478 KB of RAM and 2 MB of user memory. It comes with a scalable controller key that can manage many I/O points. At 24 Volts DC, its rated backplane current is 14 mA, whereas, at 5 Volts DC, the rated backplane current is 1200 mA. The power dissipation is 3.5 watts, while the thermal dissipation is 11.9 BTU per hour.

1756-L62

Part number 1756-L62 is a controller module that was designed and manufactured by Allen Bradley. It is part of the ControlLogix 5560 product line. This module has a user memory of 4 Megabytes (MB), an I/O memory of 478 kilobytes (KB), and optional non-volatile memory storage of 128 Megabytes (MB). The maximum digital I/O is 128,000 while the maximum analog I/O is 4,000. This is a single-slot device. The current draw of the 1756-L62 is 1200 mA at 5.1 volts DC and 14 mA at 24 volts DC.

1756-L62S

Product number 1756-L62S is a GuardLogix controller from Allen Bradley. This unit has 4 Megabytes (MB) of user memory, 1 Megabyte (MB) of safety memory, and 478 kilobytes (KB) of I/O memory. This controller draws 1200 mA of current at 5.1 volts DC and 14 mA at 24 volts DC. The approximate weight of the 1756-L62S controller is 0.32 kilograms (0.70 pounds).

1756-L63

The 1756-L63 is a ControlLogix controller module and is capable of performing 32 tasks at a time with 100 programs per task. It has an integrated single RS-232 serial port and supports a maximum of 128,000 digital I/O, as well as a maximum of 4,000 I/O. The current draw of the 1756-L63 is 1200 milliamperes at 5.1 volts direct current, as well as 14 milliamperes at 24 volts direct current. The isolation voltage rating of this device is 30 volts (continuous).

1756-L71S

Product number 1756-L71S is an Allen Bradley GuardLogix controller. This controller has a user memory of 2 MB, a safety memory of 1 MB, and an I/O memory of 0.98 MB. The isolation voltage of the 1756-L71S is rated as 30 volts (continuous) with basic insulation, and is present between the USB port and the system. This controller is not equipped with an enclosure. The approximate weight of the 1756-L71S is 0.25 kilograms.

1756-L72

Product number 1756-L72 is a ControlLogix 5570 controller module that can have up to 128,000 digital I/O and up to 4,000 analog I/O. It has 0.98 Megabytes of I/O memory, as well as 4 Megabytes of user memory. This module includes a single USB 2.0 port that transfers data at full speed. The power dissipation rating of this controller is 2.5 watts. It has an isolation voltage rating of 30 volts (continuous). This module weighs approximately 0.25 kilograms and is a single-slot module.

1756-L72K

Catalog number 1756-L72K is an Allen Bradley controller from the ControlLogix 5570 series of products. This device has a 4-Megabyte user memory, in addition to a 0.98-Megabyte I/O memory. At 1.2 volts DC, this controller draws 5 milliamperes of current, while at 5.1 volts DC, it draws 800 milliamperes of current. The 1756-L72K has a full-speed USB 2.0 port with a communication rate of 12 Mbps. The approximate weight of this ControlLogix 5570 controller is 0.25 kilograms.

1756-L72S

The 756-L72S is a controller from the GuardLogix series of Allen Bradley products. It has excellent processing power, as well as motion speed and high-performance logic features. It comes with a USB connector for communication and can connect with up to 500 devices. It also has 4 MB of user memory, 2 MB of safety memory, and 0.98 MB of I/O memory.

1756-L73

The 1756-L73 a product of Allen Bradley hat belongs to the ControlLogix 5673 controller series. The integrated memory of this module is 8 megabytes of memory for data and logic, along with an input/output memory of 0.98 megabytes. The back-up memory for this device may be stored on an SD card. This product may perform up to 32 tasks at a time, with up to 1000 programs per task. The current draw rating of this module is 0.8 milliamperes at 5 volts direct current and 5 milliamperes at 1.2 volts direct current.

1756-L73K

The Allen Bradley 1756-L73K controller belongs to the ControlLogix 5570 series of products. This device has a user memory capacity of 8 Megabytes (MB) and an I/O memory capacity of 0.98 Megabytes (MB). This product supports a max digital I/O of 128,000, a max analog I/O of 4,000, and a max total I/O of 128,000. The 1756-L73K draws 5 milliamperes of current at 1.2 volts DC and 800 milliamperes at 5.1 volts DC. It has an approximate weight of 0.25 kilograms.

1756-L73S

The 1756-L73S is a standard GuardLogix controller from Allen-Bradley. This controller has 8 megabytes of user memory, 4 megabytes of safety memory, and 0.98 megabytes of I/O memory. This module supports a maximum of 128,000 digital I/O and 4,000 analog I/O. The 1756-L73S module draws 800 milliamperes of current at 5.1 volts DC and has a power dissipation of 2.5 watts.

1756-L73XT

Catalog number 1756-L73XT is a ControlLogix controller that was designed and produced by Allen Bradley / Rockwell Automation. This controller has an 8-megabyte (MB) user memory and a 0.98-megabyte (MB) I/O memory. The 1756-L73XT draws 800 mA at 5.1 VDC, in addition to 5 mA at 1.2 VDC. The 1756-L73XT controller has a full-speed USB 2.0 port with a communication speed of 12 Mbps. The approximate weight of this controller is 0.25 kg (0.55 lb).

1756-L74

Product number 1756-L74 is a standard controller from Allen Bradley, and it is a part of the ControlLogix series of products. This unit has 16 megabytes of user memory, as well as 0.98 megabytes of I/O memory. The current draw rating of this controller is 5 milliamperes at 1.2 volts DC and 800 milliamperes at 5.1 volts DC. It has a 30-volt (continuous) isolation voltage with a basic insulation type.

1756-L75

The 1756-L75 controller module is an Allen Bradley product belonging to the ControlLogix 5575 product line. The available I/O memory and user memory is 0.98 Megabytes and 32 Megabytes, respectively. The device has an integrated USB 2.0 port and is able to interface a maximum of 128,000 digital I/O and 4,000 analog I/O. The rated current draw of this module is 0.8 milliamperes at 5.1 volts and the isolation voltage is 30 volts continuous.

1756-L75K

The 1756-L75K is a ControlLogix 5570 controller that is used with high-performance processors. This module has a user memory capacity of 32 MB and an I/O memory capacity of 0.98 MB. This product even has an embedded USB 2.0 port with a communication rate of 12 Mbps.

1756-L7SP

Catalog number 1756-L7SP is a GuardLogix controller with conformal coating. This unit was designed and manufactured by Allen Bradley. This product draws 5 milliamperes and 800 milliamperes of current at 1.2 volts DC and 5.1 volts DC, respectively. The 1756-L7SP dissipates 2.5 watts of power, as well as 8.5 BTU/hr of thermal energy. The approximate weight of this GuardLogix controller is 0.25 kilograms (0.55 pounds).

1756-L81E

The 1756-L81E is an Allen Bradley product, and it belongs to the ControlLogix series of controller modules. The communication interface featured with this product includes one (1) USB port and one (1) Ethernet port. The maximum digital I/O for this device is 128,000, while the maximum analog I/O is 4,000. The user memory capacity of this module is 3 megabytes (MB). This product has an isolation voltage of 50 volts continuous with a power dissipation rating of 6.2 watts.

1756-L82E

The 1756-L82E belongs to the ControlLogix 5580 series of products and was manufactured by Allen Bradley. It has 5 Megabytes of user memory with 2 Gigabytes of non-volatile memory that is applicable via an SD card part number 1784-SD2. The maximum number of digital I/O is 128,000 while the maximum number of analog I/O is 4,000. This controller has a rated power dissipation of 6.2 watts. It is a single-slot device with an approximate weight of 0.394 kilograms.

1756-L83E

The 1756-L83E, belonging to the ControlLogix 5580 series, has a user memory of 10 megabytes. The device features one USB port and a single Ethernet port with a data transfer of 1 gigabyte. It is capable of supporting a maximum of 128,000 discrete and 4000 discrete input/output channels. The speed of communication is 12 megabytes per second and the isolation voltage is a continuous 50 volts. The power released to the environment is 6.2 watts maximum, and it draws a current of 1.2 amperes at a voltage supply of 5.1 volts.
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