Name: 1756-L61/B
Brand: Allen-Bradley
SKU: 1756L61B
Price: 2353.00 USD
Availability: PreOrder

Rockwell Automation > PLC & HMI > Controllers > ControlLogix > 1756-L61/B

Overview

Allen Bradley 1756-L61 ControlLogix Logix5561 Processor 2MB, B

Mfr. Part Number:	1756-L61/B

Manufacturer:	Allen-Bradley / Rockwell Automation

Description:	Allen Bradley 1756-L61 ControlLogix Logix5561 Processor 2MB, Series B

Full Description:	Allen-Bradley 1756-L61 ControlLogix Logix5561 Processor with 2MB Memory, Series B

UPC / GTIN:	10612598300706

Status:	Discontinued by manufacturer

Inventory & Prices

PLCH is Not Authorized Distributor of this product

Condition:

SSP (Surplus Sealed Pre-owned)

Warranty:

One Year PLCH Warranty.

Manufacturer's Warranty & Support DO NOT apply.

Availability:

1 available for pre-order

Shipping Date:

Ships on Jul 13, 2026

Estimated Value:

Your Price:

$2,353.00

Quantity:

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Disclaimer

PLC Hardware (PLCH) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens or any other Manufacturers. PLCH is NOT Authorized Dealer of this product. The product may be of older version, date codes or design than that available from authorized dealers. As PLCH is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. PLCH sells pre-owned SURPLUS and USED equipment ONLY and DOES NOT sell SOFTWARE or FIRMWARE licenses. Some hardware products may contain software and firmware and may not be legally operated without first obtaining a proper license from the manufacturer. PLCH makes no representation as to whether a product will or will not have software or firmware and, if it does, whether the software or firmware is the revision level that you need for your application. PLCH also makes no representations as to your ability or right to download or otherwise obtain software or firmware for the product from Original Manufacturer, its distributors, or any other source. PLCH also makes no representations as to your right to install any such software or firmware on the product. PLCH will not obtain or supply software or 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 software or firmware. Customer acknowledges and agrees that PLCH DOES NOT provide any software, firmware, operating system or right-to-use licenses with the products it sells. Customers understand and agree that proper software (firmware) licensing, maintenance and upgrades are subject to applicable manufacturer's Licensing Agreement or similar document.

Similar Parts	Mfr	Cond	Description	Est Val	Price	Stock	Qty

1756-L61/A	RA	UPP	Allen Bradley 1756-L61 ControlLogix Logix5561 Processor 2MB, Series A		$142.00	in stock	1
1756-L61/B	RA	UPP	Allen Bradley 1756-L61 ControlLogix Logix5561 Processor 2MB, Series B		$155.00	in stock	5
1756-L61S/B	RA	SOP	Allen Bradley 1756-L61S GuardLogix Processor 2MB Std / 1MB Safety Memory, Ser. B		$610.00	in stock	1
1756-L61S/B	RA	UPP	Allen-Bradley 1756-L61S GuardLogix Processor 2MB Std / 1MB Safety Memory, Ser. B		$69.00	in stock	2

Specs & Technical Data

Specifications:	Available User Memory: 2048 Kbytes; I/O Memory: 478 Kbytes; Optional Nonvolatile Memory: 64MB CompactFlash (1784-CF64), 128MB (1784-CF128); Digital I/O, max: 128,000; Analog I/O, max: 4,000; Total I/O, max: 128,000; Current draw: 1200mA @ 5V DC, 14 mA @ 24V DC; Controller tasks: 32 tasks, 100 programs/task, Event tasks: all event triggers; One RS-232 serial communication port.

Miscellaneous:	The 1756-L61 Logix5561 controller can be inserted into any slot of a chassis. Multiple 1756-L61 controllers can be installed in the same chassis to communicate with each other across the backplane but operate independently. 1756-L61 controllers can communicate across RS-232-C (DF1/DH-485 protocol), DeviceNet, DH+, ControlNet, & EtherNet/IP networks. To provide communication for a ControlLogix 1756L61 controller, an appropriate communication interface module must be installed in the chassis.