Siemens 6SN1145-1BA01-0BA2

The 6SN11451BA010BA2 is a digital drive converter infeed module manufactured by Siemens. These infeed modules are used to connect the drive group to the line supply and input power into the DC link. They also provide the electronic power supply for connected modules. There are two main infeed modules: the infeed/regenerative feedback module (I/R module) and the module for unregulated infeed (UI module). The I/R module is used for applications with high dynamic requirements and frequent braking cycles, while the UI module is better suited for applications with few or short braking cycles and low braking energy. In addition, an overvoltage limiting module is available to limit transient overvoltages that may occur during switching operations in the line supply. A monitoring module is also an option for drive groups with a higher number of modules or groups located in multiple cabinet compartments or tiers. It provides a complete electronic power supply for the equipment bus and central monitoring functions for a separate drive group. It is important to note that these infeed modules do not have comprehensive overload protection. Protection must be provided through the correct configuration and set of current values in the control boards. These products are manufactured in Germany and are designed for Automotive, aerospace, power generation, and electronics usage. They come with a 2-year warranty from MRO Electric. We also carry AC Motors from other manufacturers such as FANUC and Yaskawa.

Features and Applications

Infeed modules are a critical component of the drive group, as they are responsible for inputting power into the DC link and providing the electronics power supply for connected modules. They are typically located at the beginning of the drive group and must be mounted to the mounting panels through a low-resistance connection to ensure proper functioning. It is important to note that these infeed modules do not have comprehensive overload protection. Protection must be provided through the correct configuration and set of current values in the control boards.

There are two main infeed modules available: the infeed/regenerative feedback module (I/R module) and the module for unregulated infeed (UI module). The I/R module is used for applications with high dynamic requirements and frequent braking cycles. It functions as a step-up converter at a frequency of 7kHz for controlling the DC link voltage and enabling regenerative feedback. It is typically used in machines with high dynamic demands and in control cabinet designs that are optimized for low operating costs. The UI module is better suited for applications with few or short braking cycles and low braking energy. When the motor brakes, the drive energy injected into the DC link is converted into heat in the braking resistors and dissipated to the environment. These braking resistors can be integrated or mounted, and additional pulsed resistor modules (PR modules) can be used within certain limits if needed.

In addition to the I/R and UI modules, there is also an overvoltage limiting module available. This module is used to limit sporadic, transient overvoltages that may occur as a result of switching operations in the line supply. It helps to protect the drive group and connected modules from damage due to such overvoltages.

For drive groups with a higher number of modules or those located in multiple cabinet compartments or tiers, the monitoring module can be used. It provides a complete electronic power supply for the equipment bus and central monitoring functions for a separate drive group. In the event of a power failure, the power supply can also be connected to the DC link in parallel as a backup.

It is important to select the appropriate infeed module for the specific application to ensure the proper functioning of the drive group. The I/R module is generally recommended for applications with high dynamic requirements and frequent braking cycles, while the UI module is better suited for applications with few or short braking cycles and low braking energy. The monitoring module should be used for drive groups with a higher number of modules or those located in multiple cabinet compartments or tiers. It is also important to provide adequate overload protection through the correct configuration and set of current values in the control boards.

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