LXM32

3 Engineering

 

 

 

 

 

Further information on the subject

 

Page

 

Technical data chapter "2.3 Braking resistor"

 

17

 

 

 

 

 

Commissioning chapter

 

54

 

"5.2 LXM32: Setting the braking resistor parameters"

 

 

See also chapter "3.1 Energy balance", page 22 for rating information.

Internal braking resistor A braking resistor to absorb braking energy is integrated in LXM32 drives. The device is shipped with the internal braking resistor active.

If the braking energy of all drives sharing a common DC bus is greater than the energy the internal braking resistors can absorb, you must use an external braking resistor. Consider the most extreme case of your application in calculating the braking energy.

Example: In the case of an EMERGENCY STOP, all drives decelerate simultaneously; the braking resistors must be able to absorb the entire braking energy.

External braking resistor An external braking resistor is required in applications in which the braking energy is greater than the energy that can be absorbed by the drives sharing a common DC bus. Consider the most extreme case of your application in calculating the braking energy.

Example: In the case of an EMERGENCY STOP, all drives decelerate simultaneously; the braking resistors must be able to absorb the entire braking energy.

LXM32: Monitoring LXM32 drives monitor the load on the connected braking resistor. The load on the braking resistor can be read out.

The connection of the external braking resistor is short-circuit protec- ted. A ground fault of the braking resistor is not detected.

Selection of the external braking The rating of an external braking resistor depends on the required resistor peak power and continuous power with which the braking resistor can

be operated.

The resistance R is derived from the required peak power and the DC bus voltage.

R =

U2

MNA01M001EN, V1.01, 08.2014

Pmax

R = Resistance value in Ω

U = Switch-on voltage braking resistor in V Pmax = Required peak power in W

If 2 or more braking resistors are connected to one drive, note the fol- lowing criteria:

The braking resistors must be connected in parallel or in series so the required resistance is reached. Only connect resistors with identical resistance in parallel in order to evenly distribute the load to all braking resistors.

The total resistance of all external braking resistors connected to one drive must not fall below a lower limit.

The continuous power of the network of connected braking resis- tors must be calculated. The result must be greater than or equal to the actually required continuous power.

Common DC bus

33

Page 33
Image 33
Schneider Electric MNA01M001EN manual Pmax

MNA01M001EN specifications

The Schneider Electric MNA01M001EN is a highly advanced solution designed to optimize energy management and enhance operational efficiency in various applications. As a crucial component in Schneider Electric's portfolio of energy management systems, the MNA01M001EN stands out due to its innovative features and robust technologies.

One of the main features of the MNA01M001EN is its seamless integration capabilities. The device supports interfaces such as Modbus, which allows it to connect to a variety of energy monitoring devices and systems. This interoperability ensures that users can easily connect their existing infrastructure without needing significant alterations, streamlining the energy monitoring process.

Another notable characteristic of the MNA01M001EN is its real-time monitoring capabilities. The device provides instant access to critical data, which enables users to make informed decisions regarding energy consumption. By continuously tracking energy usage, the MNA01M001EN facilitates timely interventions that can lead to substantial energy savings and improved operational performance.

In terms of technology, the MNA01M001EN employs advanced analytics to interpret energy data effectively. This feature empowers businesses to identify patterns in energy consumption, recognize inefficiencies, and make strategic adjustments. The use of predictive analytics also enables proactive maintenance strategies, minimizing potential downtime and optimizing resource allocation.

The MNA01M001EN is designed with user-friendliness in mind. Its intuitive interface simplifies navigation, making it accessible to a wide range of users, from energy managers to facility operators. Moreover, the device is equipped with customizable dashboards that allow users to visualize important metrics in ways that suit their specific needs and preferences.

In addition, the MNA01M001EN is built with sustainability as a core principle. By promoting energy efficiency, the device not only helps organizations reduce their carbon footprint but also leads to significant cost savings in energy bills. As organizations continue to prioritize sustainability, products like the MNA01M001EN play an essential role in driving those efforts forward.

Furthermore, its compact design allows for easy installation in various environments, making it a versatile choice for different types of facilities, whether industrial, commercial, or residential. The robust build quality ensures durability, allowing the device to withstand demanding conditions.

In summary, the Schneider Electric MNA01M001EN is an essential tool in modern energy management. With its integration capabilities, real-time monitoring, advanced analytics, user-friendly design, and commitment to sustainability, it represents a powerful solution for organizations looking to optimize their energy usage and enhance their operational efficiency.