Abstract: A controller for controlling an electric motor includes an interface having a first connection pole and a second connection pole, wherein the interface is designed to connect a measuring resistor and to connect a digital encoder. The controller is designed to evaluate a resistance value of the measuring resistor in order to monitor the temperature of the electric motor when the measuring resistor is connected to the interface, and the controller is designed to receive digital data from the digital encoder at the interface when the digital encoder is connected to the interface.

Abstract: A method for determining a status of one of multiple machine components of a machine on the basis of a digital machine model, wherein the digital machine model describes the multiple machine components, includes the steps of: determining component manufacturer data of the multiple machine components; determining machine manufacturer data of the multiple machine components; determining machine operator data of the multiple machine components; and determining the status of the one of the multiple machine components by linking the determined component manufacturer data, the determined machine manufacturer data and the determined machine operator data.

Abstract: A method operates an electrical control device on the basis of license information, which is stored in a removable storage medium. The method includes the following steps, which are carried out by the control device: reading out a removable storage medium identification of the removable storage medium, reading a license file, which is stored in the removable storage medium, extracting a license file identification from the read license file, comparing the license file identification with the removable storage medium identification, and when the license file identification matches the removable storage medium identification, extracting license information from the license file and operating the control device in accordance with the license information and storing the license file identification and the license information in the control device.

Abstract: An EtherCAT fieldbus system has an EtherCAT master and a number of EtherCAT slaves. The EtherCAT master and the number of EtherCAT slaves are coupled together by an EtherCAT fieldbus in order to exchange data. A method ascertains active EtherCAT slaves by way of the EtherCAT master; requests respective product codes of the active EtherCAT slaves by way of the master; ascertains a respective device identification of the active EtherCAT slaves from the respective product codes by way of the EtherCAT master, and switches the state of the EtherCAT fieldbus system into the operational state by way of the EtherCAT master if the respective device identification of the active EtherCAT slaves matches a specified device identification.

Abstract: A computer-based design system for an electric drive system includes: a cam editor having a graphical user interface, wherein the graphical user interface sets values of parameters of a motion profile of the electric drive system on the basis of user inputs, a limit value memory, which stores limit values of the motion profile, and a limit value monitoring device, which monitors whether a value of a parameter inputted by a user input causes one or more of the stored limit values to be violated by the resulting motion profile and, in the case that one or more of the stored limit values are violated by the resulting motion profile, to adjust the inputted value of the parameter to such a value of the parameter that none of the stored limit values are violated by the resulting motion profile.

Abstract: An electrical controller includes a housing, wherein the housing has cooling air openings on two different housing sides. A heat sink is arranged inside the housing, in particular so as to be protected against contact, and forms a cooling air channel, wherein the cooling air channel runs between the cooling air openings of the different housing sides. An electrically insulating holding element is designed to mechanically fix the heat sink inside the housing in a manner electrically insulated from the housing. A number of components to be cooled are provided, wherein the components are thermally conductively coupled to the heat sink and are held by the heat sink.

Abstract: A method for operating an application program for executing in an electric control unit for a drive system includes managing at least one application parameter using an application parameter manager.

Abstract: A method operates a field bus system, wherein the field bus system has: a gateway, which has a network connection for a network of a specified type and a fieldbus connection for a fieldbus, and a number of fieldbus nodes, wherein the fieldbus nodes are coupled to each other and to the gateway via the fieldbus for the purpose of data exchange. Addressing takes place in the network of the specified type by network addresses, wherein the network addresses have a first part which designates a destination address, and a second part which designates a port of the destination address. The method comprises the steps of: creating a bus configuration, wherein the bus configuration assigns a destination address to a port, and performing a network address translation using the gateway based on the bus configuration created.

Abstract: A method for determining current-dependent and/or rotational angle position-dependent characteristic variables of an electrical machine by setting a rotational angle position of blocking a rotor, forming a series current desired value using a series current desired value alternating signal which changes periodically and/or forming a parallel current desired value using a parallel current desired value alternating signal which changes periodically, regulating a series current using the series current desired value and/or a parallel current using the parallel current desired value, measuring phase currents of the electrical machine and determining an established series current and/or an established parallel current, producing series setting voltage coefficients and series current coefficients and/or parallel setting voltage coefficients and parallel current coefficients using a discrete Fourier transform algorithm, and calculating characteristic variables on the basis of series setting voltage coefficients and

Abstract: A method for starting up a controller system having at least one electric controller and a plurality of hardware modules of different types which can be coupled to the controller. To each type of hardware module there is assigned a type-specific parameter set and a type-specific control program. A respective parameter set has a quantity of parameters with adjustable parameter values. The method has the steps of: coupling a hardware module to the controller, determining the type of the coupled hardware module by way of the controller, selecting the type-specific control program by way of the controller, and by way of the controller, selecting the type-specific parameter set as an adjustable parameter set.

Abstract: A method for changing over to a firmware version in an electrical control unit for a drive system, wherein the electrical control unit is suitable for executing an existing application program for operating the drive system, and a different firmware version is in operation in the electrical control unit. The method a) checks the existing application program for compatibility with the one firmware version by use of a script, and b) in the case where the existing application program is compatible with the one firmware version, changes over from the other firmware version to the one firmware version in the electrical control unit.

Abstract: A method is provided for operating a frequency converter, which is designed to drive a three-phase motor, wherein the frequency converter has three half-bridges each having at least two switches. The method includes the following steps: generating three phase voltages for the three-phase motor by a pulse width modulation, wherein, for the pulse width modulation, various switching patterns of the switches are activated, wherein specific star point voltages ensue for various groups of switching patterns; and in at least one operating state of the frequency converter, within a respective period of the pulse width modulation, activating only those switching patterns in which an identical star point voltage ensues.

Abstract: A method produces a digital signal from an analog signal. The method includes: producing a pulse-width-modulated actuation signal by a frequency converter, wherein the pulse-width-modulated actuation signal is produced over a number n of periods of the pulse width modulation such that the signal curve of the pulse-width-modulated actuation signal is identical in the respective periods; applying the actuation signal to a load; producing a bitstream with a predetermined bit repetition duration depending on an analog signal to be measured by a sigma-delta modulator, wherein the analog signal to be measured depends on the actuation signal and on the load, wherein a number m of bits are produced and stored with the predetermined bit repetition duration over a respective period of the pulse-width-modulated actuation signal; and summing corresponding bits of the respective periods in order to form the digital signal.

Abstract: A system for the control and/or fault diagnosis of an electric drive system, where the drive system may be integrated into the system via a data connection, and may have a user interface for entering a command by a user. The system may be designed to compare a user-entered command with predefined commands and to select a command matching the command entered from the predefined commands. According to an embodiment of the system described herein, in the case of lack of agreement of the command entered by the user with a predefined command, the system may perform an interpretation of the entered command using methods of artificial intelligence in order to assign it to a predefined command.

Abstract: An electric control device includes a first delta sigma modulator having a clock input connection, a second delta sigma modulator having a clock input connection, and an evaluation unit. The evaluation unit includes a first clock output connection which is connected to the clock input connection of the first delta sigma modulator by a first electrical cable, and a second clock output connection which is connected to the clock input connection of the second delta sigma modulator by a second electrical cable. The evaluation unit is designed to generate a clock signal (CLK1) at the first clock output connection (7) in phase opposition to a clock signal (CLK2) at the second clock output connection (9).

Abstract: A circuit for generating a sampling signal for a UART interface has an input terminal designed to receive a peripheral clock, an output terminal designed to output the sampling signal, a bit rate memory designed to store a value corresponding to a desired bit rate of the UART interface, a peripheral clock memory designed to store a value corresponding to a frequency of the peripheral clock, a sum memory designed to store a sum value, and a computing unit. The computing unit compares a comparison value, which is dependent on the sum value stored in the sum memory, with a threshold value, which is dependent on the value stored in the peripheral clock memory. The result of the comparison is taken as a basis for generating the sampling signal at a first level or a second level.

Abstract: An electrical controller includes a first interface via which data are able to be transferred, a second interface, separate from the first interface, via which data are able to be transferred, a control unit, and an operating mode memory for storing operating mode information. The control unit is configured to operate the controller in a first safety-oriented operating mode or in a second safety-oriented operating mode depending on the stored operating mode information.

Abstract: In a method for adjusting a range of numerical values at an input device for configuration or selection of the components of an electrical drive system with regard to a parameter as numerical value, the input device has a display. On the display, a minimum value and spaced apart from it a maximum value are displayed variably for the numerical value, wherein the minimum value and the maximum value form or span between them a range of numerical values. By way of a zooming function, the minimum value and the maximum value can be altered, increased or reduced in such a manner that the adjusting of a range of numerical values can take place more easily and more accurately.

Abstract: A method is provided for configuring an electrical drive system and a machine is provided that can execute such a method. In order to select and set drive system parameter values, it is possible here, when a selectable number exceeds a threshold value, to display a dialogue in which a search field for supporting the input is available.

Abstract: A measuring device includes a delta-sigma modulator configured to take an analog signal as a basis for generating a bit stream, and an evaluation unit that receives the bit stream from the delta-sigma modulator and evaluates the received bit stream. The measuring device has a single data transmission line, wherein the delta-sigma modulator is configured to transmit the bit stream to the evaluation unit via the single data transmission line using a transmit clock, and wherein the evaluation unit is configured to reconstruct the transmit clock and/or a phase of bits within the bit stream from the received bit stream and to extract the bits from the received bit stream based on the reconstructed transmit clock and/or based on the reconstructed phase.