1756-N2XT Allen-Bradley ControlLogix-XT Slot Filler Card

Allen-Bradley 1756-N2XT ControlLogix-XT Slot Filler Card

Key Technical Specifications

• Brand: Allen-Bradley.
• Model Number: 1756-N2XT.
• Series: ControlLogix.
• Module Type: Slot Filler Module.
• Function: Slot Filler only, no I/O processing.
• Backplane Current (5 Volts): 800 milliamps.
• Backplane Current (24 Volts): 3 milliamps.
• Power Dissipation: 6.2 Watts.
• Thermal Dissipation: 21.2 BTU per hour.
• Isolation Voltage: 50 Volts continuous.
• Temperature Rating: -25°C to 70°C.
• Current Draw (5.1 Volts): 1.2 amps.
• Maximum Current per Point: 0.5A at 60°C.
• Maximum Current per Module: 4A at 60°C.
• Continuous Isolation Voltage: 265V.
• Fuse Type: Mechanical slow blow fuse (3.15A at 250V AC).
• Enclosure: None (open-style module).

Installation and Mounting Guide

• Mount the 1756-N2XT directly into any unused ControlLogix chassis slot.
• Use RTB models 1756-TBNH or 1756-TBSH for field-side wiring if needed.
• You can also connect an Interface Module (IFM) for wiring.
• The module holds last states in On, Off, or Fault conditions per point.
• In program mode, the module also holds the last state.
• No special tools required for installation.

Environmental and Durability Features

• Wide temperature range from -25°C to 70°C ensures harsh environment operation.
• High isolation voltage of 50V continuous protects against electrical noise.
• 265V continuous isolation adds extra safety for field wiring.
• Slow blow fuse design handles temporary overloads without nuisance trips.
• This slot filler improves system reliability by covering open slots.

Frequently Asked Questions (FAQ)

• Q: Does the 1756-N2XT provide any communication function?
  A: No. This slot filler does not perform any communication or I/O tasks. It only covers unused slots.
• Q: Can I use this module in a standard ControlLogix chassis (non-XT)?
  A: Yes. The 1756-N2XT works in both standard and XT-rated ControlLogix chassis.
• Q: What is the maximum ambient temperature for safe operation?
  A: The module operates reliably from -25°C up to 70°C.
• Q: Does this slot filler require any external power supply?
  A: No. It draws backplane current of 800 mA at 5V and 3 mA at 24V from the chassis.
• Q: Is the 1756-N2XT a new or refurbished unit?
  A: We supply only brand new, original Allen-Bradley units.
• Q: How long will delivery take?
  A: We ship within 5 days using FedEx, UPS, or DHL. Transit time depends on your location.

Contact Information Inquiries: sales@nex-auto.com , +86 153 9242 9628 Partner NexAuto Technology Limited