1756-L55 Allen-Bradley ControlLogix Processor | Original New

Allen-Bradley 1756-L55 ControlLogix Processor – No Memory Version

Get Started Fast

• Industrial-grade processor for automation systems
• No built-in user memory – requires separate memory module
• Free battery included (1756-BA1)
• Download full specifications here

Key Features

• Brand: Allen-Bradley
• Model: 1756-L55 (ControlLogix Series)
• Power Usage: 5.6-5.7 Watts
• Heat Output: 19.1-19.4 BTU/hour
• Weight: Only 0.35 kg (12.5 oz)
• Works From: 0°C to 60°C (32°F to 140°F)
• Storage Temp: -40°C to 85°C (-40°F to 185°F)
• Power Input: 5.1V DC (1.25A) / 24V DC (0.014A)

Technical Details

• Needs separate memory module to work
• Uses standard 1756-CP3 serial cable
• Tested at 707V DC for 60 seconds
• Open-style enclosure for easy access
• Meets IEC 60068 standards for tough environments

5 Common Questions

1. What memory works with 1756-L55?
   Requires separate ControlLogix memory module.
2. Is the battery replaceable?
   Yes, uses standard 1756-BA1 battery.
3. Can it work in hot environments?
   Yes, up to 60°C (140°F).
4. What cables are needed?
   1756-CP3 or 1747-CP3 serial cable.
5. Is this model still supported?
   Check Rockwell’s current support list.

Shipping & Protection

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