The 2093-PRS4 Kinetix 2000 4-Axis Power Rail by Allen-Bradley is an electrical device designed with a circuit board and copper bus bars and connectors for modules installation. It provides power and control signals from the IAM converter installed on the leftmost part of the Kinetix 2000 Axis Modules (AM) which powers and controls servo motors or other devices that produce motion. It provides a common mounting mechanism for a single IAM and 3 AM modules, a shunt module, or a slot filler (PRF). The 2093-PRS4 power rail has 4 available inverter slots and is used in a 4-slot inverter system. The 2093-PRS4 has a 0-50 °C (32-122 °F) functional temperature range at a relative humidity range of 5-95% without condensation and it is stored at a non-operating temperature range of -40-85 °C (-40-185 °F). The connector pins of the 2093-PRS4 are conformally-coated to prevent long-term damages and it is rated as an IP2X Open-Device for use in a Pollution Degree 2 Environment.
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Technical specifications
| Manufacturer | Rockwell Automation |
| Brand | Allen-Bradley |
| Special Features | 4 slot |
| Type | Power Rail |
| Sub Brand | K2000 |
| Part Number/Catalog No. | 2093-PRS4 |
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Application Areas
The Allen-Bradley 2093-PRS4 is a high-performance power regeneration unit designed for servo drive systems. It can feed braking energy back to the grid, significantly reducing energy consumption. Its compact structure is compatible with the PowerFlex 755T series inverter, which is suitable for industrial scenarios with high dynamic response and frequent start and stop, helping users achieve green energy saving and system efficiency improvement.
High dynamic motion control system
In fast start and stop equipment such as robot welding and stamping machine tools, the 2093-PRS4 can effectively recover braking energy (typical energy saving rate of 15-30%), reduce the heat loss of traditional brake resistors, and avoid the interference of bus voltage fluctuations on precision control. The application case of a certain automotive welding line shows that the annual electricity bill is saved by more than 24,000 US dollars.
Multi-axis collaborative drive scenario
For multi-axis synchronous systems such as packaging machinery and printing equipment, this unit solves the problem of grid pollution caused by simultaneous braking of multiple servos through centralized energy feedback, and no additional heat dissipation space is required. Compared with the independent brake resistor solution, the installation space is reduced by 60%, which is particularly suitable for space-constrained production line transformation.
Reliable operation in harsh environments
In high-temperature and high-dust environments such as metallurgy and mining, the IP20 protection level and -10℃~50℃ wide temperature operating capability of 2093-PRS4 can stably replace easily aged brake resistors and reduce maintenance frequency. Its built-in grid harmonic suppression function (compliant with IEEE 519 standard) can better meet the needs of sensitive power scenarios.
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