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1756-L84EK Allen-Bradley

Original price $0.00 - Original price $5,099.98
Original price
$5,099.98
$0.00 - $5,099.98
Current price $5,099.98
Surplus - Tested (With Warranty)
Need a Specific Revision?
$5,099.98
4 in stock
New / Open-Box Surplus
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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 1756-L84EK is an Allen-Bradley ControlLogix 5580 series programmable automation controller featuring 20 MB of user memory, an embedded USB programming port, and a 1 Gb Ethernet interface. Provided with conformal coating, it is designed for installation in environments requiring protective treatment. It supports up to 150 EtherNet/IP nodes (250 with newer firmware revisions) and manages up to 256 motion axes. Typical applications include machine level control, high-device-count Ethernet networks, and installations in mildly harsh environments.

Best Suited For

  • ControlLogix 5580 applications requiring conformal coating
  • EtherNet/IP-based high-node count installations
  • Motion axis programs up to 256 axes
  • Industrial environments requiring embedded USB programming
User Memory
20 MB
EtherNet/IP nodes (max)
150 (250 with updated firmware)
USB port
1 (USB 2.0 full-speed)
Motion axes supported
256
Conformal coated
True

Technical Specifications

I/O & Electrical

Power supply
5 mA @ 1.2 V DC; 1.20 A @ 5.1 V DC

Communication & Power

Embedded Ethernet port
1 Gb
Local programming port
1 USB (USB 2.0 full-speed, 12 Mbps)

Physical & Environmental

Operating temperature (chassis series C)
0 °C to +60 °C (+32 °F to +140 °F)
Non-operating temperature
-40 °C to +85 °C (-40 °F to +185 °F)
Humidity (non-condensing)
5 % to 95 %
Vibration, operating
2 g @ 10-500 Hz
Shock, operating
30 g
EMC emissions standard
IEC 61000-6-4
ESD immunity
6 kV contact; 8 kV air
Radiated RF immunity
10 V/m (80-2000 MHz, 1 kHz sine-wave 80 % AM), 10 V/m at 900 MHz (200 Hz 50 % pulse 100 % AM), 10 V/m at 1890 MHz (200 Hz 50 % pulse 100 % AM), 3 V/m (2000-2700 MHz 1 kHz sine-wave 80 % AM)
EFT/B immunity
±2 kV at 5 kHz on Ethernet ports
Surge immunity
±2 kV line-earth on Ethernet ports
Conducted RF immunity
10 V rms, 150 kHz-80 MHz, 1 kHz sine-wave 80 % AM

1-Year Warranty

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USA Stock

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

30-Day Returns

Hassle-free RMA. If the part is not right for your application, send it back within 30 days.

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Rockwell Automation documentation

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

Visit RockwellAutomation.com

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.

Any reference to manufacturer names, logos, trademarks, or product identifiers is for identification and compatibility purposes only. All such trademarks and brand names are the property of their respective owners, and this website is not affiliated with, endorsed by, or approved by any manufacturer referenced herein.

The products offered for sale may be used or surplus and may contain older date codes, be of earlier series or versions, or differ in appearance or features compared to products available through factory-authorized distribution channels. The presence, version, or functionality of firmware, if any, on programmable devices such as Allen-Bradley PLCs is not guaranteed. PLC Department makes no representation or warranty regarding:

PLC Department does not obtain or supply firmware on behalf of customers. It is solely the customer's responsibility to ensure legal and compliant use of any firmware or software associated with products purchased through this site, including compliance with any applicable license agreements or manufacturer policies.

Products listed on this site may vary in country of origin, packaging, language, accessories, and included materials. Any quality control, testing, certification, or warranty previously associated with the manufacturer does not apply unless explicitly stated by PLC Department.

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