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1756-L61 B

ControlLogix 5561 Controller
In Stock
Ships by Saturday, October 24
Fast Shipping Available

Product Describe:

Allen-Bradley 1756-L61 Series B is a ControlLogix 5561 controller with 2 MB of user memory, 478 KB of I/O memory and optional CompactFlash nonvolatile storage.

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Technical specifications for 1756-L61 B

Technical specifications for 1756-L61 B

  • Manufacturer:
    Allen-Bradley
  • Product Category:
    PLC Systems
  • Spare Part Number:
    1756-L61 B
  • Estimated shipping dimensions:
    3.6×13.9×15.2cm
  • Weight:
    0.32 kg
  • Tariff Code:
    8537101190
  • Counliy of origin:
    USA
  • Hardware series:
    B
  • Controller family:
    ControlLogix 5560
  • Controller designation:
    ControlLogix 5561
  • User memory:
    2 MB
  • I/O memory:
    478 KB
  • Nonvolatile memory:
    Optional CompactFlash card
  • Minimum controller firmware:
    13.40 or later for Series B
  • Minimum RSLogix 5000 software:
    13.04.00 or later for Series B
  • Controller tasks:
    Up to 32
  • Programs per task:
    Up to 100
  • Maintenance energy storage:
    Lithium battery system for 1756-L6x controllers

Information

Information

Overview Manuals Common Applications Product Precautions
Allen-Bradley 1756-L61 Series B executes Logix 5000 control tasks in a ControlLogix chassis while retaining the project, slot identity, firmware baseline and installed communication paths of the engineered system.
  • Provides 2 MB of memory for control logic and data.
  • Provides 478 KB of I/O memory for the configured chassis and networked I/O paths.
  • Supports optional CompactFlash storage for nonvolatile project retention.
  • Series B requires firmware 13.40 or later and RSLogix 5000 version 13.04.00 or later.

Series B requires firmware 13.40 or later and RSLogix 5000 version 13.04.00 or later. Replacement acceptance therefore joins catalog and series verification with project backup, slot restoration, firmware compatibility and controlled I/O testing.

Important Notice: preserve the complete 1756-L61 Series B identity, controller project, firmware revision, chassis slot, network configuration and CompactFlash record before replacement.

Allen-Bradley 1756-L61 B Manuals & Downloads
Allen-Bradley 1756-L61 Series B Official User Manual Excerpt (PDF)Allen-Bradley 1756-L61 B Installation & Commissioning Guide (PDF)

The documents separate exact product evidence from the field sequence for identity, isolation, installation, verification and controlled handover.

ControlLogix machine control
Executes the retained Logix project for coordinated machine logic and I/O.
Chassis-based process sequencing
Runs controller tasks and programs tied to the engineered slot and network plan.
Legacy controller replacement
Restores a documented 1756-L61 Series B position without substituting a different controller execution.
Program recovery
Uses the accepted project archive and optional CompactFlash record during controlled restoration.
Apply these checks to the exact Allen-Bradley 1756-L61 B position before isolation, replacement or release.
1
Confirm both the 1756-L61 catalog number and Series B marking before work.
2
Back up the controller project, tag values and communication settings before isolation.
3
Record the chassis slot, module keying, firmware revision and network node assignments.
4
Place outputs and connected machinery in the approved maintenance state.
5
Verify firmware 13.40 or later and compatible programming software before download.
6
Inspect and preserve any installed CompactFlash card and its accepted contents.
7
Restore the project with outputs inhibited and review controller and I/O diagnostics.
8
Complete the controlled I/O and machine functional test before service release.

Technical notes

Technical notes

Preserve the complete Allen-Bradley 1756-L61 B identity, the installed position, wiring and configuration record. After controlled energization, review diagnostics and functionally verify every affected channel or process path before release.

FAQS

  • What controller type is Allen-Bradley 1756-L61 Series B?
    It is the ControlLogix 5561 controller in the ControlLogix 5560 controller family.
  • How much user memory does Allen-Bradley 1756-L61 Series B provide?
    The official user manual lists 2 MB for logic and data.
  • How much I/O memory is available in Allen-Bradley 1756-L61 Series B?
    The controller provides 478 KB of I/O memory.
  • Which firmware baseline applies to Allen-Bradley 1756-L61 Series B?
    Series B requires controller firmware revision 13.40 or later.
  • Which programming software baseline applies to Allen-Bradley 1756-L61 Series B?
    RSLogix 5000 version 13.04.00 or later is listed for Series B.
  • Can Allen-Bradley 1756-L61 Series B use nonvolatile storage?
    Yes. The 1756-L61 supports an optional CompactFlash card for nonvolatile memory.
  • What must be preserved before replacing Allen-Bradley 1756-L61 Series B?
    Preserve the project, firmware, slot, keying, network settings, tag records and any CompactFlash contents.
  • What verifies Allen-Bradley 1756-L61 Series B after installation?
    Confirm project restoration, controller and I/O diagnostics, network communications and the controlled machine functional test.
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Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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