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1756-L1M1 Controller Processor | Allen-Bradley

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Allen-Bradley 1756-L1M1 ControlLogix 5550 Controller

The 1756-L1M1 by Rockwell Automation is a high-performance PAC (Programmable Automation Controller) for industrial automation. With 500KB data/logic memory and 150KB I/O memory, it delivers reliable control for medium-scale applications. Compact and lightweight (0.35kg), it fits seamlessly into ControlLogix systems.

KEY SPECIFICATIONS

  • Brand: Allen-Bradley (Rockwell Automation)
  • Model: 1756-L1M1 (ControlLogix 5550 Series)
  • Memory: 500KB data/logic + 150KB I/O (expandable)
  • Backplane Current: 950mA @5.1V, 20mA @24V
  • Power: 5.33W max (4.6W avg)
  • Isolation: 30V continuous (tested to 500V for 60s)

HIGHLIGHTS

  • Robust Design: Open enclosure, 0.35kg weight
  • ESD Immunity: 6kV contact / 8kV air discharge
  • Environmental Durability: Operates in 0–60°C, withstands 30G shock
  • Compatibility: Works with 1756-CP3 serial cable & 1756-BA1 battery

TECHNICAL DETAILS

  • Humidity: 5–95% non-condensing
  • Vibration: 10–500Hz @ 2.0G max
  • Communication: RS-232 via 1756-CP3 cable
  • RF Immunity: 10V/m (30MHz–1GHz)

TYPICAL APPLICATIONS

  • Factory automation systems
  • Process control in harsh environments
  • Material handling and packaging lines

INSTALLATION NOTES

  • Fits any ControlLogix chassis slot
  • Requires 1756-BA1 lithium battery for backup
  • No nonvolatile memory (expandable via modules)
  • Quick Quotes: Receive pricing and availability fast from our dedicated customer service team.
  • Delivery: Expedited, freight, and international shipping available worldwide.
  • Warranty: NexAuto offers a 12-month warranty on all parts purchased from us, in addition to any manufacturer coverage.
  • Returns: 30-day return policy for defective or mismatched parts, ensuring peace of mind.
  • Payment: Flexible options including major credit cards, PayPal, and bank transfers.
  • Custom Calibration: Provide your specifications, and we’ll handle the rest with precision.
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