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1756-L71 | Allen-Bradley ControlLogix 2 MB Controller

in stock#

  • Brand/ Manufacturer:

    Allen-Bradley
  • Dimensions:

    23.3 cm x 18.3 cm x 5.3 cm
  • Weight:

    0.4 kg
  • Country of Origin: :

    USA
  • Description:

    Allen-Bradley 1756-L71 ControlLogix 2 MB Controller

Mfr. Part Number:

1756-L71

Manufacturer: Allen-Bradley / Rockwell Automation
Description: Allen-Bradley 1756-L71 ControlLogix Logix5571 Processor with 2 Mbytes Memory
Full Description: Allen-Bradley 1756-L71 ControlLogix Logix5571 Controller with 2 MB User Memory and 1 x Built-in USB 2.0 Programming/Download Port; I/O Memory: 0.98 MB; 128,000 Digital I/O, 4,000 Analog I/O, 128,000 Total I/O
Status: Discontinued by manufacturer




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Moore Automation Limited is not affiliated with or a distributor for Allen Bradley. The depiction, description, or sale of products featuring names, trademarks, brands, and logos is for identification and/or reference purposes only and does not indicate any affiliation with or authorization by any rights holder.

The Allen-Bradley 1756-L71 is a ControlLogix Programmable Automation Controller. It has an available storage of 2 MB for user memory and an I/O memory of 0.98 MB. It also has an onboard 4-character alphanumeric display for easy monitoring of run-time and module information and controller diagnostics. It has an open-style enclosure and built-in One (1) 2.0 full-speed USB port available. The USB port communication of this controller allows configuration, programming, on-line edits, and firmware flash only. The communication options that are available include DeviceNet, ControlNet, EtherNet/IP, Remote I/O Data Highway Plus, Third-party process and networks, and SynchLink. It also ships with a 1 GB non-volatile memory, but you can upgrade it to 2 GB with the 1784-SD2. It is recommended that the SD card be left installed in the controller. The 1756-L71 controller ships with three capacitor energy storage modules, two of which are removable. It has a current draw of 5 mA at 1.2 Volts DC and 800 mA at 5.1 Volts DC. The 1756-L71 controller also has a continuous isolation voltage of 30 Volts, a maximum power dissipation of 2.5 Watts, and a thermal dissipation of 8.5 BTU/hour. It has a maximum analog I/O, digital I/O, and a total I/O of 4,000, 128,000, as well as 128,000, respectively. It has an operating temperature range of 0 to 60 Degrees Celsius and a storage temperature range of -40 to 85 Degrees Celsius. Its maximum surrounding air temperature is 60 degrees Celsius and it has a noncondensing relative humidity of 5% to 95%. The controller has a vibration of 2G at 10 to 500 Hertz, an operating shock of 30G, and a non-operating shock of 50G that goes down to 45G when the SD card is installed. Other controllers may require the user to understand first PLC registers specifically Byte and Bit in order to start addressing program elements. With 1756-L71, the user simply needs to insert a program element and select the logical channel to where the I/O is physically wired. This feature enables quick start and faster software familiarization. In other PLCs, the user may find the need to move a register to another to initiate conversion and processing just to get the analog data. This controller simply requires the user to find the logical channel where the I/O signal is physically terminated.




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Manufacturer

Rockwell Automation

Maximum Analog I-O

4000

Maximum I-O

128000

Part Number/Catalog No.

1756-L71

Module Type

Processor Module

Series

ControlLogix

Brand

Allen-Bradley

Product Type

Programmable Automation Controller

Non-volatile memory

1GB (ships with the controlelr)

No. of task

32

Programs per task

100 Programs

Event Task

All Triggers

Built-in communication

1 USB port

Optional Communication adapters

• EtherNet/IP • ControlNet • DeviceNet • Data Highway Plus • Remote I/O • SynchLink • Third-party process and device networks

Redundancy

Full Support

Integrated Motion

• SERCOS interface • Analog options (encoder input, LDT input, SSI input) • Integrated Motion on the EtherNet/IP network

I-O Memory

0.98 MB

User Memory

2 MB

Maximum Digital I-O

128000

Current Draw (1.2 Volts DC)

5 milliamps

Current Draw (5.1 Volts)

800 milliamps

Power Dissipation

2.5 Watts

Thermal Dissipation

8.5 BTU per hour

Isolation Voltage

30 Volts Continuous

Enclosure

None

Communication

DeviceNet, ControlNet, EtherNet/IP, Remote I/O

UPC

10612598876010

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