Name: 1756-L72/B
Brand: Allen-Bradley
SKU: 1756L72B
Price: 2064.00 USD
Availability: PreOrder

Rockwell Automation > PLC & HMI > Controllers > ControlLogix > 1756-L72/B

Overview

Allen Bradley 1756-L72 ControlLogix Logix5572 Processor, 4MB, B

Mfr. Part Number:	1756-L72/B

Manufacturer:	Allen-Bradley / Rockwell Automation

Description:	Allen Bradley 1756-L72 ControlLogix Logix5572 Processor with 4 Mbytes Memory, B

Full Description:	Allen Bradley 1756-L72 ControlLogix Logix5572 Processor with 4MB User Memory, 0.98MB I/O memory; 128,000 Digital I/O, 4,000 Analog I/O; 1-USB Port USB 2.0, full speed, 12 Mbps (EtherNet/IP, ControlNet, DeviceNet, Data Highway Plus, Remote I/O, SynchLink, Third-party process and device networks), Series B

UPC / GTIN:	10612598876027

Status:	Current Product

Inventory & Prices

PLCH is Not Authorized Distributor of this product

Condition:

SPP (Surplus PLCH Pre-owned)

Warranty:

One Year PLCH Warranty.

Manufacturer's Warranty & Support DO NOT apply.

Availability:

4 available for pre-order

Shipping Date:

Ships on Jun 16, 2026

Estimated Value:

Your Price:

$2,064.00

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-L72/B	RA	SOP	Allen Bradley 1756-L72 ControlLogix Logix5572 Processor with 4 Mbytes Memory, B		$1,799.00	in stock	3
1756-L72/B	RA	SSP	Allen Bradley 1756-L72 ControlLogix Logix5572 Processor with 4 Mbytes Memory, B		$1,899.00	in stock	4
1756-L72/B	RA	UPP	Allen Bradley 1756-L72 ControlLogix Logix5572 Processor with 4 Mbytes Memory, B		$775.00	in stock	7
1756-L72S/B	RA	SOP	Allen Bradley 1756-L72S GuardLogix Processor 4MB Std / 2MB Safety Memory, Ser. B		$1,163.00	in stock	1
1756-L72S/B	RA	SPP	Allen Bradley 1756-L72S GuardLogix Processor 4MB Std / 2MB Safety Memory, Ser. B		$1,290.00	3 days	3
1756-L72S/B	RA	SSP	Allen Bradley 1756-L72S GuardLogix Processor 4MB Std / 2MB Safety Memory, Ser. B		$1,745.00	in stock	1
1756-L72S/B	RA	UPP	Allen Bradley 1756-L72S GuardLogix Processor 4MB Std / 2MB Safety Memory, Ser. B		$749.00	in stock	3

Specs & Technical Data

Specifications:	32 Controller Tasks; 1000 Programs/Task; Communication Ports: 1 Port USB 2.0 full-speed, Type B; Communication Options: EtherNet/IP, ControlNet, DeviceNet, Data Highway Plus™, Remote I/O, SynchLink, Third-party process and device networks; Maximum Supported Controller Connections: 500; Network connections, per network module: 128 ControlNet (1756-CN2/B); 100 ControlNet (1756-CN2/A); 40 ControlNet (1756-CNB); 256 EtherNet/IP; 128 TCP (1756-EN2x), 128 EtherNet/IP; 64 TCP (1756-ENBT).

Miscellaneous:	Full Controller redundancy Support except for Motion Applications; Programming Languages: Relay Ladder, Structured Text, Function Block, Sequential Function Chart (SFC).