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Allen-Bradley 1756-L61A ControlLogix Processor Module

Allen-Bradley 1756-L61A ControlLogix Processor Module

  • 16 In stock
  • Manufacturer: Allen-Bradley

  • Product No.: 1756-L61A

  • Condition: In stock

  • Product Type: ControlLogix Processor Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 340g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Description

Allen-Bradley 1756-L61A ControlLogix Processor Module

The Allen-Bradley 1756-L61A serves as the primary 1756-L61A Processor Module utilized to execute programmable logic control, I/O processing, and communication management across ControlLogix chassis platforms.

Hardware Specifications

Parameter Specification
Model 1756-L61A
Brand Allen-Bradley
Origin United States
Weight 0.75 lbs
Operating Temp 0-60 deg C
Power Consumption Not specified
Product Line ControlLogix 5561
Module Type Programmable Automation Controller (PAC)
User Memory 2 MB
I/O Memory 478 KB
Nonvolatile Memory CompactFlash card support (1784-CF64, CF128)
Communication Port 1 RS-232 serial port
Supported Networks EtherNet/IP, ControlNet, DeviceNet, DH+, SynchLink
Maximum Digital I/O 128,000 I/O points
Maximum Analog I/O 4,000 I/O points
Maximum Controller Tasks 32 tasks
Maximum Programs per Task 100 programs
Maximum Controller Connections 250 connections
Motion Support EtherNet/IP and SERCOS integrated motion
Controller Redundancy Supported
Storage Temperature -40 to 85 deg C
Relative Humidity 5-95 percent non-condensing

EtherNet/IP and ControlLogix Deterministic Network Execution

The 1756-L61A processor module operates within the ControlLogix backplane architecture and supports deterministic communication through EtherNet/IP, ControlNet, DeviceNet, DH+, and SynchLink network interfaces. The controller supports firmware flash compatibility within the ControlLogix platform and provides I/O density scaling for applications requiring up to 128,000 digital I/O points and 4,000 analog I/O points. Communication tasks, controller connections, and application execution are managed through the Logix control engine.

Frequently Asked Questions

Q: What programming functions are supported by the 1756-L61A controller?
A: The controller supports relay ladder logic, structured text, function block diagram, and sequential function chart programming methods.

Q: What nonvolatile memory storage method is supported by the 1756-L61A?
A: The controller supports CompactFlash memory cards including 1784-CF64 and CF128 for program retention.

Q: Does the 1756-L61A support redundant controller configurations?
A: Yes. The processor module can operate in redundant ControlLogix controller configurations when installed with compatible redundancy modules.

Field Installation Guidelines

Install the 1756-L61A processor module into a compatible ControlLogix chassis slot and confirm proper backplane connector engagement before energizing the system.

Connect RS-232 and network communication interfaces using appropriate industrial wiring practices. Maintain cable separation between communication circuits and high-current power wiring to reduce electromagnetic interference.

For systems using EtherNet/IP, ControlNet, DeviceNet, or other supported networks, verify network addressing, firmware compatibility, and controller configuration before commissioning.

CompactFlash memory installation should be performed according to controller maintenance procedures. Grounding and cabinet bonding should follow standard industrial control panel practices.

Features

We welcome bulk orders and have a minimum order quantity of just one unit.

Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.

For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.

We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.

We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.

Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.

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