ControlLogix 1756-M14 Memory Module Overview

The ControlLogix 1756-M14 is a high-capacity memory module designed for use with the Logix5555 controller, providing 3.5 Mbytes of memory to support complex automation tasks and data-intensive applications.

Environmental Specifications

• Operating Temperature:
  • 0 … 60 °C (32…140 °F)
  • Complies with 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… 85 °C (-40…185 °F)
  • Complies with 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…95% non-condensing
  • Complies with IEC 60068-2-30 (Test Db, Unpackaged Damp Heat)
• Vibration Resistance:
  • 2 g @ 10…500 Hz
  • Complies with IEC 60068-2-6 (Test Fc, Operating)
• Shock Resistance:
  • Operating: 30 g
  • Non-operating: 50 g
  • Complies with IEC 60068-2-27 (Test Ea, Unpackaged Shock)

Immunity and Emissions

• Emissions:
  • CISPR 11, Group 1, Class A
• ESD Immunity:
  • IEC 61000-4-2: 6 kV indirect contact discharge, 8 kV air discharge
• Radiated RF Immunity:
  • IEC 61000-4-3:
    • 10V/m with 1 kHz sine-wave 80% AM from 80…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…2.7 GHz

General Specifications

• Enclosure Type Rating: None, open style
• North American Temperature Code: T4A
• IEC Temperature Code: T4
• Intrinsically Safe: No