Allen-Bradley | 1756-L55 | ControlLogix 5555 Controller

Features and Specifications for ControlLogix 5555 Controller (1756-L55)

Product Overview

• Product Type: ControlLogix 5555 Controller
• Model: 1756-L55

Environmental Specifications

• Operating Temperature: 0 to 60 °C (32 to 140 °F)
  • IEC 60068-2-1 (Test Ad, Operating Cold)
  • IEC 60068-2-2 (Test Bd, Operating Dry Heat)
  • IEC 60068-2-14 (Test Nb, Operating Thermal Shock)
• Storage Temperature: -40 to 85 °C (-40 to 185 °F)
  • IEC 60068-2-1 (Test Ab, Unpackaged Nonoperating Cold)
  • IEC 60068-2-2 (Test Bb, Unpackaged Nonoperating Dry Heat)
  • IEC 60068-2-14 (Test Na, Unpackaged Nonoperating Thermal Shock)
• Relative Humidity: 5 to 95% non-condensing
  • IEC 60068-2-30 (Test Db, Unpackaged Damp Heat)
• Vibration: 2 g @ 10 to 500 Hz
  • IEC 60068-2-6 (Test Fc, Operating)
• Shock:
  • Operating: 30 g
  • Non-operating: 50 g
  • IEC 60068-2-27 (Test Ea, Unpackaged Shock)

Emissions and Immunity

• Emissions: CISPR 11: Group 1, Class A
• ESD Immunity:
  • IEC 61000-4-2: 6 kV contact discharges, 8 kV air discharges
• Radiated RF Immunity:
  • IEC 61000-4-3:
    • 10V/m with 1 kHz sine-wave 80% AM from 80 to 2000 MHz
    • 10V/m with 200 Hz 50% pulse 100% AM at 900 MHz
    • 10V/m with 200 Hz 50% pulse 100% AM at 1890 MHz
    • 1V/m with 1 kHz sine-wave 80% AM from 2.0 to 2.7 GHz
• EFT/B Immunity:
  • IEC 61000-4-4: ±4 kV @ 5 kHz on communications ports
• Surge Transient Immunity:
  • IEC 61000-4-5: ±2 kV line to earth (CM) on communications ports

Temperature Codes and Safety

• North American Temperature Code: T4A
• IEC Temperature Code: T4
• Intrinsically Safe: No

These specifications provide a comprehensive overview of the ControlLogix 5555 Controller (1756-L55), including its environmental tolerances, emissions and immunity standards, and safety ratings.