Allen-Bradley 1756-L61 ControlLogix 5560 Controller 2 MB Memory Processor Module
Allen-Bradley 1756-L61 ControlLogix processor
ControlLogix 5560 2 MB controller
1756-L61 processor module
Place of Origin:
USA
Brand Name:
Allen-Bradley
Allen-Bradley 1756-L61 ControlLogix processor
,ControlLogix 5560 2 MB controller
,1756-L61 processor module
Allen-Bradley 1756-L61 ControlLogix Controller
Technical Specifications
| 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 | ||
| 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
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.
Your Next Part, Made Easier.
Supporting industrial maintenance teams with practical parts sourcing for existing automation systems.
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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