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Allen-Bradley 1756-L61 ControlLogix 5560 Controller 2 MB Memory Processor Module

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Allen-Bradley 1756-L61 ControlLogix 5560 Controller 2 MB Memory Processor Module

Name: AllenBradley 1756L61 ControlLogix 5560 Controller 2 MB Memory Processor Module
Brand: Allen-Bradley
Price: 1 USD

China Allen-Bradley 1756-L61 ControlLogix 5560 Controller 2 MB Memory Processor Module factory

Place of Origin : USA

Supply Ability : In Stock

MOQ : 1

Packaging Details : Brand new and original

Brand Name : Allen-Bradley

Payment Terms : T/T

Delivery Time : 2-3 work days

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AMIKON · Industrial Automation

Allen-Bradley 1756-L61 ControlLogix Controller

Allen-Bradley Programmable Controller Discontinued Product

The 1756-L61 is a controller for existing ControlLogix automation systems. It is relevant to maintenance teams sourcing a matching controller for installed equipment, investigating controller faults or planning a system service intervention.

Technical Specifications

Data & Logic Memory

2 MB

I/O Memory

478 KB

Power Dissipation

3.5 W

Product Identification

Manufacturer	Allen-Bradley / Rockwell Automation	Catalog Number	1756-L61
Product Type	ControlLogix Memory Controller	Controller Family	ControlLogix 5560
Lifecycle Status	Discontinued; announced discontinuation date: June 1, 2017

Electrical & Physical Data

Backplane Current at 5.1 V DC	1.20 A	Backplane Current at 24 V DC	14 mA
Thermal Dissipation	11.9 BTU/hr	Approximate Weight	Series A: 0.32 kg (0.71 lb); Series B: 0.35 kg (0.78 lb)
Non-volatile Memory	Supported. The required CompactFlash card depends on the applicable controller series and configuration.

Additional Technical Details

Memory Functions

Data and logic memory stores controller routines and associated data. I/O memory supports I/O tags, produced and consumed tags, message instruction communications and related data exchanges.

Non-volatile Storage

The applicable Series A specification identifies the 1784-CF64 Industrial CompactFlash card. Confirm the installed series and memory arrangement before ordering a card or carrying out memory operations.

Application & Failure Scenarios

System Application

Used in existing ControlLogix installations to execute configured industrial control programs. The specific machinery and process depend on the original system design.

Maintenance & Downtime

Common sourcing situations include a controller that will not start, suspected hardware failure, recurring controller faults or a planned maintenance replacement. An unresolved controller failure may interrupt the production functions it manages.

Replacement Considerations

Before selecting a replacement, check the complete catalog number, controller series, firmware revision, project backup and installed chassis configuration. A controller from the same family should not automatically be treated as a direct replacement; application and communication compatibility must be assessed.

Delivery & Warranty

Inspection & Packaging

Product identification and available condition checks are arranged according to the quotation. Packaging is selected to protect the item in transit.

Warranty & Returns

Warranty coverage and return eligibility follow the written sales terms. Report suspected DOA or shipping damage promptly with order details, the product label and supporting photos for assessment.

Allen-Bradley 1756-L61 ControlLogix 5560 Controller 2 MB Memory Processor Module

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Frequently Asked Questions

1. Is the Allen-Bradley 1756-L61 still in production?

No. The 1756-L61 is discontinued, with a discontinuation date of June 1, 2017. Availability depends on current sourcing inventory.

2. How much memory does the 1756-L61 have?

The controller has 2 MB of data and logic memory and 478 KB of I/O memory.

3. Does the 1756-L61 support non-volatile memory?

Yes. The supported memory arrangement depends on the controller series. Confirm the installed series and required card before ordering.

4. Can another ControlLogix controller replace the 1756-L61 directly?

Not automatically. Firmware, project compatibility, communication requirements, memory and chassis configuration should be checked before a replacement is approved.

5. What information should I send when requesting a 1756-L61 quotation?

Provide the part number, quantity, destination, required date and machine/system model. A nameplate photo and controller series details can also help clarify the requirement.

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