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1756-L74 Allen-Bradley

Name: 1756-L74 Allen-Bradley
Brand: Allen Bradley
SKU: 1756-L74
Price: 2441.25 USD
Availability: InStock

$2,441.25 - $3,992.98

$2,441.25

$2,441.25 - $3,992.98

$2,441.25

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Product Details

Description · Specifications · Product Overview

Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.

Product Overview

The Allen-Bradley 1756-L74 is a ControlLogix 5570-series programmable automation controller (PAC) featuring 16 MB of user memory and approximately 0.98 MB of I/O memory. It occupies one slot in a 1756 chassis, includes an embedded USB programming port, and supports optional non-volatile memory via an SD card. It is used for logic and control execution, I/O management, and integrated motion in industrial applications such as manufacturing, batch processing, and machine control. The 1756-L74 provides interface flexibility through removable communication adapters for networks like EtherNet/IP and ControlNet. Part number 1756-L74.

Best Suited For

Mid-sized ControlLogix PAC installations
Systems requiring moderate I/O density (up to ~128 000 discrete, ~4 000 analog points)
Applications needing on-board USB programming accessibility
Configurations utilizing SD-card non-volatile memory backup
Add-on communications via EtherNet/IP, ControlNet, DeviceNet

User memory

16 MB

I/O memory capacity

0.98 MB

Embedded port

1 USB

Max I/O capacity

128 000 discrete; 4 000 analog

Power dissipation

2.5 W

Technical Specifications

I/O & Electrical

Current draw (1.2 V DC)

5 mA

Current draw (5.1 V DC)

800 mA

Power dissipation

2.5 W

Thermal dissipation

8.5 BTU/h

Communication & Power

Embedded programming port

1 USB

Optional communication adapters

EtherNet/IP, ControlNet, DeviceNet, Data Highway Plus, Remote I/O, SynchLink, third-party networks

Physical & Environmental

Module type

Processor, single-slot, chassis-based

Non-volatile memory

SD card (ships with 1 GB via 1784-SD1; upgradable to 2 GB via 1784-SD2)

Max discrete I/O

128 000

Max analog I/O

4 000

Weight

0.63 lb (0.28 kg)

Certifications

UL ListedCEATEXIECExAustralian RCMChina CCCEurasion Economic Community

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Sourced and shipped from Texas, USA. Never anonymous overseas marketplace stock.

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Rockwell Automation documentation

Access official manuals, datasheets, and lifecycle information for this part directly from Rockwell Automation.

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Must Read: Disclaimer

PLC Department sells surplus and refurbished industrial automation products, including but not limited to programmable logic controllers (PLCs), which are sourced exclusively through independent third-party channels. PLC Department is not an authorized distributor, reseller, or representative of any manufacturer listed on this website, including Rockwell Automation or its Allen-Bradley brand. All product warranties, where offered, are provided solely by PLC Department and not by the original manufacturer.

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