Abstract: The invention relates to a method for monitoring a transmission driven by an electric motor with a motor control, in which load changes with zero crossing of the motor torque in the transmission are monitored, wherein at least one operating parameter of the electric motor and/or the motor control is measured and evaluated for monitoring the load change.

Abstract: A method for monitoring the operation of a frequency converter (1), which is designed to drive an electric motor (2), wherein the method comprises the following steps: generating phase voltages (u1, u2, u3) for corresponding phase sections (2.1, 2.2, 2.3) of the electric motor (2), ascertaining a voltage rotating field, measuring occurring phase currents (i1, i2, i3), ascertaining a current rotating field depending on the measured phase currents (i1, i2, i3), calculating a phase difference between the voltage rotating field and the current rotating field and/or calculating a frequency difference between the frequency of the voltage rotating field and the frequency of the current rotating field, and determining a fault state when the phase difference exceeds a phase difference threshold value and/or when the frequency difference exceeds a frequency difference threshold value.

Abstract: A method transmits temporally successive datasets of a position sensor via an Ethernet network, wherein a respective dataset of the position sensor consists of a maximum of 4 bits. The method includes the steps of: continuous reading, by a reference component connected to the Ethernet network, of the datasets of the position sensor which are to be transmitted; and continuous writing, by the reference component, of a respective dataset to a 4-bit transmit register of a Media Independent Interface of the reference component.

Abstract: A frequency converter includes: at least one bridge arm, wherein a shunt resistor is arranged in the bridge arm; an evaluation device having an input connection, the evaluation device being designed to evaluate a measurement signal which is present at the input connection and which is dependent on a voltage drop across the shunt resistor, in order to determine a measured variable; and a voltage peak suppression device, which is designed to short-circuit the input connection of the evaluation device when a voltage peak occurs at the shunt resistor.

Abstract: The invention relates to a method for providing programs (12, 14) for control devices of technical equipment (26, 28), in particular machinery and/or plants, wherein, in particular, programs (12, 14) for control devices of electric drive systems are provided. The programs (12, 14) are provided in a software memory (10) managed by software memory management software, wherein the software memory management software comprises access rights management. The access rights of users (30, 32, 34) to access the programs (12, 14) are managed in the managed software memory (10) by means of the access rights management. Users (30, 32, 34) are granted access rights which enable the users (30, 32, 34) to store programs (12, 14) created, in particular by means of a development environment, in the managed software memory.

Abstract: The invention relates to a method for operating an automation system of a machine or an installation, wherein the automation system comprises an automation device (16). The automation device (16) is accessed by a client (10) via a server (18), wherein address information for the access operations is provided by the server (18) in an address space in the form of data objects that are organized in the form of nodes of a meshed network in an information model of the server (18). Depending on a technical task to be performed, the client (10), by calling a functionality offered by the server (18), generates data objects on the server (18) that allow the client (10) to perform those access operations to the automation device (16) and/or to at least one field device (22) networked with the server (18) via a fieldbus (20) that are necessary to achieve the technical task.

Abstract: A method and a system for generating a technical documentation of a configurable product of an electrical drive system is provided. The method includes selecting the product from a quantity of selectable products by a user, automatically generating a data record of the selected product the data record containing classification data and product data, and transmitting the data record to at least one service configured to extract the classification data from the received data record, extract documentation data from the product data based on the extracted classification data, and generate a partial documentation of the technical documentation based on the extracted documentation data.

Abstract: The invention relates to a method for providing data access to a technical facility (10), in particular a machine and/or an installation, wherein the technical facility (10) is connected to a data-processing device (16) via a network (18) by means of a data-transmission interface. By means of the data-processing device (16), a digital twin (20) of the technical facility (10) is provided, the digital twin (20) representing modifiable software components of the technical facility (10). A specific UUID is allocated to each of the digital twin (20) and the technical facility (10), a communication between the digital twin (20) and the technical facility (10) being made possible via the network (18) by means of the UUID. The data-processing device (16) provides an access option for access by third parties (24) to data of the digital twin (20) that relate to software components of the technical facility (10) that are represented by the digital twin (20).

Abstract: The invention relates to a method for analyzing operation events during operation of a technical device, in particular of a machine or installation, wherein the technical device comprises at least one automation device, in particular a programmable logic controller. The automation device is enabled to execute automation technology tasks by means of automation software that is executable by the automation device. Analysis software extracts data from operation data obtained by means of sensors in the physical world, from the automation software and/or from data traffic of the automation device and conditions said data, wherein the conditioning comprises storing the extracted data in a, in particular relational, database and the data stored in the database are evaluated with regard to the operation event by the analysis software.

Abstract: The invention relates to a method for analyzing an automation software of an automation device, in particular of a programmable logic controller, of a technical device, in particular of the machine and/or of the installation. The automation device is enabled to execute automation technology tasks by means of automation software that is executable by the automation device, wherein the automation software comprises programs and data with which the programs interact. A first version of the automation software stored in a data memory of the automation device at a first point in time is compared with a second version of the automation software stored in the data memory of the automation device at a second point in time by analysis software.

Abstract: An electric motor has an end shield and a sensor for detecting a magnetic field. The sensor is integrated into the end shield of the electric motor. An electric drive unit may include a brake, in particular an electromagnetically actuatable brake, and an electric motor, where a shielding element is arranged between the sensor and the brake.

Abstract: The system described herein relates to commissioning variable frequency drives of electric drive systems, where at least one variable frequency drive has wireless data transmission equipment via which the variable frequency drive is supplied with data during commissioning. A commissioning device connects with the wireless data transmission equipment of the variable frequency drive during commissioning to transmit data to the variable frequency drive. The wireless data transmission equipment of the variable frequency drive is set up before commissioning so that the variable frequency drive can be communicated with under an individual identifier specific to the respective variable frequency drive and during commissioning identification of the individual variable frequency drive is carried out by the commissioning device using the identifier.

Abstract: A method for adjusting a parameter value of a position controller and a parameter value of a rotational speed controller is provided. The position controller and the rotational speed controller are cascaded and are a component of a control circuit. The method includes generating and displaying a two-dimensional parameter adjusting field, wherein points in the two-dimensional parameter adjusting field are selectable by a user, and a specific parameter value of the position controller and a specific parameter value of the rotational speed controller are allocated to a point, and after the user has selected a point adopting the specific parameter value of the position controller that is allocated to the selected point and adopting the specific parameter value of the rotational speed controller that is allocated to the selected point.

Abstract: The invention pertains to a procedure to control and/or monitor a machine or system using an automation system, whereby functions of the automation system are controlled by a computer. The control function is executed by programs which are executed on the computer, whereby the computer is equipped with a real-time-capable operating system, specifically, a real-time-capable Linux operating system. The programs include both real-time programs and non-real-time programs which are executed in a runtime environment that is superordinate to the operating system.

Abstract: A method ascertains current-dependent inductances of a polyphase electrical machine. The method generates phase voltages for the polyphase electrical machine by means of a pulse width modulation such that currents of predefined current level flow through stator windings of the electrical machine. During a number of cycles of the pulse width modulation, the method generates a voltage pulse such that a change of current is brought about in a torque-forming axis of the polyphase electrical machine and/or in a field-forming axis of the polyphase electrical machine. The method measures the change of current, and ascertains the current-dependent inductances on the basis of the change of current.

Abstract: The invention relates to a method for monitoring a transmission driven by an electric motor with a motor control, in which load changes with zero crossing of the motor torque in the transmission are monitored, wherein at least one operating parameter of the electric motor and/or the motor control is measured and evaluated for monitoring the load change.

Abstract: The invention relates to a method for visualizing the automation of a drive system for a technical system, wherein the technical system consists of a plurality of modules. Module type data objects that are assigned to module types are stored in a data storage device, wherein the module type data objects include a graphical representation of the module type data relating to the particular module types. First, the module types of the modules of which the technical system is composed are selected by a user via a user interface. Module data objects assigned to the modules are generated by means of a data processing device, which module data objects contain module data, wherein the module data contain data relating to the graphical representation of the module type of each module, and wherein a data processing device generates a visualization of the assembled technical system based on the module data, which visualization is presented to the user by means of a visualization device, in particular a display.

Abstract: The invention relates to a method for configuring a drive system for a technical device, wherein: the technical device consists of at least one module; the drive system is composed of a plurality of components; the components of the drive system are selected from a large number of possible component types; each selectable component type is allocated a component type data object in a data storage device, said component type data object containing component type data about the properties, more particularly the technical properties, of the component type. In a data storage device, module type data objects are stored that are allocated to module types, wherein the module type data objects contain module type data about the properties, more particularly the technical properties, of the module types.