The Allen-Bradley 1756-A10XT is a 10-slot backplane chassis engineered for the ControlLogix XT (Extreme Environment) series. This ruggedized hardware provides a stable and reliable foundation for control systems operating in demanding industrial sectors where standard components may be compromised by environmental factors such as corrosive atmospheres, thermal cycling, or high-vibration conditions.
Features
10-Slot Capacity: Supports a wide range of ControlLogix I/O modules, communication bridges, and controllers.
Extreme Environment Design: Built specifically for harsh conditions, including high humidity and extreme temperature fluctuations.
Enhanced ESD Resilience: Rated for 6 kV contact discharge and 8 kV air discharge to protect sensitive internal circuitry.
Hazardous Location Support: Certified for use in ATEX Zone 2 environments.
Standard Compatibility: Fully compatible with the standard Bulletin 1756 ControlLogix module ecosystem.
Technical Specifications
Brand
Allen-Bradley
Product Line
ControlLogix XT
Slots
10
Mounting
Horizontal (Rear Panel)
Cooling
Convection (Vertical Airflow)
Humidity Rating
5% to 95% (Non-condensing)
ESD Protection
6 kV Contact / 8 kV Air
Enclosure
Open-type
Installation Guidelines
Mounting: Ensure the chassis is mounted horizontally on a flat, rigid surface to maintain structural integrity.
Airflow: Maintain clear vertical airflow paths around the chassis to allow for effective convection cooling.
Grounding: Connect the chassis ground terminal to a common system ground to ensure proper EMI shielding and ESD protection.
Handling: Use ESD-safe handling procedures when inserting or removing modules to prevent damage to the backplane pins.
Power: Always disconnect system power before installing or removing modules from the backplane to prevent electrical arcing.
FAQ
Is the 1756-A10XT compatible with standard ControlLogix modules?
Yes, this chassis is designed to house standard Bulletin 1756 modules while providing the additional environmental protection required for XT-rated installations.
What is the primary difference between this and a standard chassis?
The 1756-A10XT is specifically built with materials and protection mechanisms to withstand harsh environmental stressors, including corrosive gases and higher humidity levels, that exceed the specifications of a standard 1756-A10 chassis.
