1756-A13 13 slot base rack in the Allen Bradley ControlLogix series

1756-A13 is a 13 slot base rack in the Allen Bradley ControlLogix series, designed specifically for industrial automation control systems, with high performance, reliability, and flexible scalability. This module adopts a compact design, with dimensions of approximately 20x30x8 inches or 23.15x6.65x5.71 inches, weighing 3.2-4.2 pounds, suitable for horizontal installation and open housing, and easy for on-site wiring and maintenance. Its power consumption is 5-6.1W, and the backplane current is 1.5A at 1.2V DC, 4A at 3.3V DC, 15A at 5.1V DC, and 2.8A at 24V DC, ensuring stable power supply.

1756-A13 supports ControlNet or EtherNet/IP network communication, compatible with Studio 5000 Logix Designer programming software, facilitating system integration and configuration. The module has a built-in high-speed communication path, which is connected to the on-site wiring through Bulletin 1492 IFM or RTB to improve data transmission efficiency. In addition, it has a power on plug and unplug (RIOP) function, supports electronic key control to prevent replacement errors, and is equipped with comprehensive diagnostic functions for system maintenance and troubleshooting.

The working temperature range of this module is 0-60 ℃, which is suitable for industrial site environments and widely used in manufacturing, energy, water treatment, food processing and other fields. 1756-A13 supports the expansion of digital/analog I/O modules, communication modules, and processor modules to meet the needs of small and medium-sized automation control, such as logic control, sequence control, and motion control. Its compact design, high-performance communication, flexible scalability, and reliable diagnostic capabilities make the 1756-A13 the preferred rack solution in the field of industrial automation.

Brand and Model: Rockwell Automation (Allen Bradley) ControlLogix Series 1756-A13.
Product type: 13 slot standard rack, supporting expansion of digital/analog I/O modules, communication modules, and processor modules.
Number of slots: 13, capable of accommodating up to 12 modules (such as 1756-EWEB communication module, etc.). The front is equipped with 2 CPU module slots and 8 expansion slots, while the rear includes 4 power slots, 2 cooling fan slots, and 4 I/O module slots.
physical property
Size: 588 x 169 x 145mm (23.15 x 6.65 x 5.71 inches) or 20 x 30 x 8 inches (data from different sources may vary).
Weight: Approximately 4.2 pounds (1.90kg) or 3.2 pounds (data from different sources may vary).
Installation method: Horizontal installation, requiring at least 24 x 30 x 8 inches of cabinet space, designed to support only horizontal installation.
Shell material: Steel, surface powder coating, open design, suitable for industrial environment.
Electrical specifications
Power input: Supports 85-264V AC, 47-63Hz, compatible with standard power supplies (such as 1756-PA72/PB72) and redundant power configurations.
Power consumption: Power consumption is 1.8W, power dissipation is 6.1BTU/hr (some sources refer to 5-6.1W).
Backboard current:
1.5A at 1.2V DC, 4A at 3.3V DC, 15A at 5.1V DC, 2.8A at 24V DC, providing stable power supply for modules inside the rack.
performance parameter 
Communication method: Supports ControlNet or EtherNet/IP networks, and the rack backplane provides high-speed communication paths to ensure fast and reliable data transmission between modules.
Programming software: Configure, monitor, and diagnose online through Studio 5000 Logix Designer, supporting real-time control logic adjustment.
Response time: Low data transmission delay between modules, meeting the requirements of high-speed industrial control.
Environmental adaptability
Working temperature: Series B ranges from 0 ° C to 60 ° C, and Series C extends to -25 ° C to 60 ° C, suitable for harsh industrial environments.
Storage temperature: -40 ° C to 85 ° C, ensuring that the module can still function properly even after being stored under extreme conditions.
Relative humidity: 5% to 95% (no condensation), to prevent module failures caused by humid environments.
Protection level: IP20, suitable for standard industrial sites.
Function and compatibility
Module compatibility: Fully compatible with ControlLogix series CPUs (such as 1756-L71), I/O modules (such as 1756-IB16), and communication modules (such as 1756-ENBT), supporting mixed plug and play.
Scalability: Supports multiple sets of racks connected in series, and system expansion can be achieved by adding modules to meet the needs of medium and large-scale automation projects.
Diagnostic function: Built in fault detection and protection mechanism, supports hot swappable maintenance, module replacement does not require downtime.
Protection and authentication
Certification standards: Passed CCC, ATEX IECEx, CE, RCM and other international certifications ensure global compliance.
Safety design: Electronic key control prevents module misconnection, comprehensive diagnostic function improves system availability, redundant power configuration enhances system reliability.
application area 

Typical scenarios: Widely used in manufacturing automation (such as production line monitoring, motor start stop control), process control (such as signal acquisition and processing in chemical and power industries), intelligent buildings (such as access control systems, lighting control) and other fields.
Function implementation: Used for device monitoring, logic control, motion control, and fault diagnosis, it is the core infrastructure of industrial automation systems.
The 1756-A13 rack is an ideal choice for modular control systems in the field of industrial automation due to its compact design, high-performance communication, flexible scalability, and reliable diagnostic capabilities.

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