ControlLogix 1756-L1M2 PAC | Allen-Bradley 5550 Series

Allen-Bradley 1756-L1M2 ControlLogix PAC: Rugged 1MB Memory Controller for Legacy Systems

Detailed specifications: Download 1756-L1M2 Technical Manual (PDF)

Technical Specifications

• Brand: Allen-Bradley (Rockwell Automation)
• Model: 1756-L1M2 ControlLogix
• Series: 5550 Controller
• Memory: 1MB user memory
• Power Handling:
  • 4.8W average dissipation
  • 16.4 BTU/hour thermal output
• Environmental Rating:
  • 0°C to 60°C operating range
  • -40°C to 85°C storage
  • 5-95% non-condensing humidity
• Electrical Robustness:
  • 30V continuous isolation
  • 500V withstand for 60 seconds
  • ±4kV EFT/B immunity on power ports
• Battery: 1756-BA1 lithium (0.59g)

Installation & Setup

• Single-slot design for compact spaces
• Compatible with 1756-CP3 programming cable
• Tool-free terminal blocks (1756-TBCH)
• Open-style enclosure for easy access

Robust Performance

• Group 1, Class A emissions rating
• 2G vibration resistance (10-500Hz)
• 30G operating shock protection
• 50G non-operating shock rating

Package & Support

• Includes: Controller module, documentation
• 12-month warranty – Defect coverage
• Global shipping: FedEx, UPS, DHL options

Safety & Compliance

• 8kV air discharge ESD protection
• 6kV contact discharge immunity
• 10V RMS RF conducted immunity
• Meets industrial emission standards

Expert FAQ

• Q: What battery type does it use?
  A: 1756-BA1 lithium battery (0.59g)
• Q: RF immunity rating?
  A: 10V/m from 30MHz to 1000MHz
• Q: Maximum storage temperature?
  A: -40°C to 85°C (-40°F to 185°F)
• Q: ESD protection level?
  A: 8kV air discharge, 6kV contact
• Q: Power port surge protection?
  A: ±4kV EFT/B immunity at 2.5kHz