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Allen-Bradley 1756-L71

SKU: 1756-L71-SOB-USA

Next Day Delivery Available for U.S. Stock

All Parts Come with 12 Month Warranty

New, Surplus, and Refurbished Available

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Warranty Information

All products (new, surplus, and refurbished) are covered by Chief Automation's 1 Year Warranty. The Manufacturer's Warranty does NOT apply.

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Condition SKU Stock Location and Best Delivery Date Price Purchase
Surplus Original Box 1756-L71-SOB-USA 4 United States $2,872.35
1756-L71-SOB-ASIA 123 Asia $2,916.48
Surplus Open Box 1756-L71-NS-USA 1 United States $2,219.99
Refurbished 1756-L71-R-EU 1 Europe $3,928.80
The Allen-Bradley 1756-L71 ControlLogix Programmable Automation Controller is engineered to meet the rigorous demands of medium to large-scale automation applications within Factory and Process Automation environments. This PAC features a generous 2 MB of user memory alongside 0.98 MB of I/O memory, and comes equipped with a 1GB non-volatile SD card, upgradeable to 2GB using the 1784-SD2 card. Supporting up to 128,000 discrete and 4,000 analog I/O signals, it simplifies integration with a variety of networks such as EtherNet/IP, ControlNet, and DeviceNet. Notably, the 1756-L71 eliminates the need for batteries by utilizing removable capacitor-based energy storage modules for sustaining memory contents, and includes a comprehensive 4-character alphanumeric display for straightforward monitoring and diagnostics. Housed in an open-style enclosure, it offers extensive connectivity options, including a high-speed USB port and requires installation within a specified ControlLogix chassis for optimal operation.

Technical specifications for 1756-L71

Manufacturer Rockwell Automation
Maximum Analog I-O 4000
Maximum I-O 128000
Part Number/Catalog No. 1756-L71
Module Type Processor Module
Series ControlLogix
Brand Allen-Bradley
Product Type Programmable Automation Controller
Non-volatile memory 1GB (ships with the controlelr)
No. of task 32
Programs per task 100 Programs
Event Task All Triggers
Built-in communication 1 USB port
Optional Communication adapters • EtherNet/IP • ControlNet • DeviceNet • Data Highway Plus • Remote I/O • SynchLink • Third-party process and device networks
Redundancy Full Support
Integrated Motion • SERCOS interface • Analog options (encoder input, LDT input, SSI input) • Integrated Motion on the EtherNet/IP network
I-O Memory 0.98 MB
User Memory 2 MB
Maximum Digital I-O 128,000
Current Draw (1.2 Volts DC) 5 milliamps
Current Draw (5.1 Volts) 800 milliamps
Power Dissipation 2.5 Watts
Thermal Dissipation 8.5 BTU per hour
Isolation Voltage 30 Volts Continuous
Enclosure None
Communication DeviceNet, ControlNet, EtherNet/IP, Remote I/O
UPC 10612598876010
UNSPSC 32151705
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