Abstract:
A measuring apparatus comprises a receiving device, a processing device and a sending device. The receiving device is adapted to receive at least one telegram fragment, and the receiving device is adapted to determine a destination of the at least one telegram fragment, and depending on the destination of the at least one telegram fragment to set an operating state of the processing device. The receiving device is furthermore adapted, from the at least one telegram fragment, to prepare a telegram block, wherein the processing device is adapted, in a first operating state, to determine a telegram boundary of the telegram block, and to determine a type of the telegram block. The processing device is equipped, in a second operating state, to determine a telegram boundary of the telegram block, and to control the sending device such that the sending device sends a telegram subsequent to the telegram boundary.
Abstract:
An image with text in a selected language for use in a multilingual operating program for a fill-level measuring device or a pressure measuring device is generated in that a text-free image is overlaid with the corresponding text modules in the selected language. This does not require changing the image. The overlay is controlled by means of a control file.
Abstract:
Described is a method for determining a telegram length in an operating apparatus for communicating between the operating apparatus and a field device via a network. The method comprises composing a first telegram in the operating apparatus. The first telegram comprises a predeterminable first telegram length, and the composed first telegram is despatched via the network to the field device. After the first telegram has been despatched, the operating apparatus waits for the receipt of a second telegram, which second telegram is received by the operating apparatus via the network. After successful receipt of the second telegram, the first telegram length is increased by a predeterminable value. Increasing the value takes place until receiving the second telegram fails. After the receipt of the second telegram has failed, the first telegram length that has resulted in successfully receiving the second telegram is provided.
Abstract:
A transmitting and receiving unit is provided for a field device for measuring a filling level or a pressure, which has an adaptive error counter. In this way, the sensitivity of the error detection may be adapted to individual needs or to the present length of the communications section. Thus, during wireless communication an optimally set error counter may fundamentally be used according to the distance to be covered without any adjustment needing to be made for this on the user side.
Abstract:
Described is a method for data communication in a communication system. The system includes a plurality of communication participants, each participant having a subsystem responsible for communication. A communication participant acts as master of the communication system, the subsystem of the master being operated continuously. The other communication participants act as communication slaves in the communication system. The subsystems of the communication slaves are de-energized, when no communication takes place. Furthermore, a protocol for controlling a bidirectional communication is provided. Establishment of the communication results from a special initial packet, which is transmitted by a communication slave to a communication master. The initial packet is acknowledged by the master with a confirmation packet. This confirmation packet comprises information, whether subsequent communication is required. Moreover, a communication system is provided, comprising a plurality of communication participants each having a respective subsystem responsible for the communication. At least one communication participant is adapted to act as master in the communication system, having a continuously operating subsystem. The other communication participants are adapted to act as communication slaves in the communication system, having subsystems, which are de-energized, when no communication takes place, whereby the communication participants are sensors.
Abstract:
A sensor housing for a field device includes a housing body and a solar module that may be put in place and removed. The solar module supplies the field device with electrical energy and may be placed on top of the housing body at various angles of rotation, as a result of which at the same time an electrical contact between the solar module and an energy storage device is provided.
Abstract:
Described is a method for determining a telegram length in an operating apparatus for communicating between the operating apparatus and a field device via a network. The method comprises composing a first telegram in the operating apparatus. The first telegram comprises a predeterminable first telegram length, and the composed first telegram is despatched via the network to the field device. After the first telegram has been despatched, the operating apparatus waits for the receipt of a second telegram, which second telegram is received by the operating apparatus via the network. After successful receipt of the second telegram, the first telegram length is increased by a predeterminable value. Increasing the value takes place until receiving the second telegram fails. After the receipt of the second telegram has failed, the first telegram length that has resulted in successfully receiving the second telegram is provided.
Abstract:
A sensor housing for a field device includes a housing body and a solar module that may be put in place and removed. The solar module supplies the field device with electrical energy and may be placed on top of the housing body at various angles of rotation, as a result of which at the same time an electrical contact between the solar module and an energy storage device is provided.
Abstract:
A method for generating a device description for a measuring apparatus in a target field bus protocol is described. The method comprises the reception of a first device description of the apparatus. The first device description of the apparatus comprises at least one variable. The at least one variable is related to a storage cell of the apparatus. The target field bus protocol is selected from a plurality of field bus protocols, and at least one block is formed from the at least one variable. The at least one block has a maximum block size that corresponds to the smallest maximum block size of at least two field bus protocols of the plurality of field bus protocols. The maximum block size can be transmitted via a field bus with a single request when the respective field bus protocol is used. Subsequently, the at least one block is provided as device description for the apparatus in the target field bus protocol.
Abstract:
A device for generating a user interface configuration for at least one field device, measuring device, in particular a sensor or actuator, is provided. The device comprises a database and a user interface generating device, wherein the database is designed to store a plurality of device data for the field device, and wherein the user interface generating device is equipped to generate a user interface description file that is allocated to the at least one field device in a predeterminable user interface description language. The user interface description language is selectable from at least two user interface description languages.