Use of a display of a converter, method for operating a converter, and converter

Abstract

In the use of a display of a converter, method for operating a converter, and converter, the converter having an address code switch, in particular on its housing, and in an actuation of the address code switch and during a subsequent, predefined period of time, a respective value corresponding to the respective switch position of the address code switch is displayed by the display. Operating information of the converter is displayed in all other cases.

Claims

1. A method of using a display of a converter, the converter including an address code switch adapted to set a device address of the converter, comprising: displaying, on the display, during a predefined time period after setting and/or changing the device address of the converter based on a switch position of the address code switch, a value corresponding to the switch position of the address code switch and to the device address of the converter; and displaying on the display in all other cases operating information of the converter.

2. The method according to claim 1, wherein the device address of the converter is set based on the switch position of the address code switch during a start-up operation of the converter.

3. The method according to claim 1, wherein the address code switch includes a plurality of address code switches and the display includes a plurality of displays, each display corresponding to a respective one of the address code switches.

4. The method according to claim 1, wherein the display includes a 7-segment display adapted to display a hexadecimal number corresponding to the device address.

5. The method according to claim 1, wherein the address code switch and/or the display is provided on a housing of the converter.

6. The method according to claim 1, wherein the period is between 1 second and 100 seconds.

7. The method according to claim 1, wherein the operating information includes a status, an operating status, a type of control method of the converter, enable information, and/or a fault status.

8. The method according to claim 1, wherein the address code switch includes a rotary switch, includes a rotary switch having discrete rotary positions and/or address code rotary switches, includes a DIP switch, and/or has a finite number of switch positions.

9. The method according to claim 1, wherein each switch position of the address code switch is assigned a hexadecimal number, and the switch is labeled accordingly on the address code switch.

10. The method according to claim 1, wherein the address code switch includes labeled surface sections, and each switch position of the address code switch is assigned a respective labeled surface section.

11. The method according to claim 1, wherein information displayed on the display in an actuation of the address code switch and during a subsequent, predefined period of time corresponds to labeling assigned to a respective switch position and/or an allocated labeled surface section.

12. The method according to claim 1, wherein the setting and/or changing of the device address including actuating the address code switch.

13. The method according to claim 1, wherein the setting and/or changing of the device address includes modification of the switch position of the address code switch.

14. The method according to claim 1, further comprising detecting an actuation of the address code switch, the displaying of the value corresponding to the switch position of the address code switch and to the device address of the converter being performed in respond to the detection of the actuation of the address code switch.

15. The method according to claim 1, wherein the value corresponding to the switch position of the address code switch and to the device address of the converter is displayed temporarily in response to detection of actuation of the address code switch.

16. The method according to claim 1, wherein the operating information of the converter includes values and/or information not related to the switch position.

17. The method according to claim 12, further comprising detecting the actuation of the address code switch.

18. The method according to claim 17, wherein the actuation of the address code switch is detected by a sensor.

19. The method according to claim 17, wherein the actuation of the address code switch is detected by detecting an electric variable that depends on the switch position.

20. The method according to claim 19, wherein the electric variable includes current and/or voltage.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) FIG. 1 shows a field device according to an example embodiment of the present invention in a frontal view.

(2) FIG. 2 shows an enlarged cut-away section of the example embodiment shown in FIG. 1.

DETAILED DESCRIPTION

(3) Field device 1 is arranged as a bus device of a data bus. For this purpose, an address, i.e. a device address, is assigned to field device 1 during the start-up operation.

(4) This allows a higher-level control, preferably a master, to transmit data to field device 1. The address is added to each transmitted data packet, so that field device 1 receives the data and other field devices that are also possibly connected to the data bus as bus devices disregard the data packet. The data packet, for example, includes command data and/or other data.

(5) The inputting of the address on field device 1 is accomplished with the aid of address code switches, which are arranged as address code rotary switches 3. This means that the address is codable by turning, i.e. adjusting the rotary position. In the exemplary embodiment illustrated, 16 rotary positions are possible. However, since two such address code switches 3 are used, addresses between 0 and 255 are able to be set.

(6) Although address code switch 3 is labeled so that each rotary position is assigned a corresponding value, the labeling is implemented at a type size whose numbers or letters are smaller than the diameter of the rotatable part of address code switch 3.

(7) Field device 1 also has a display 2. In the exemplary embodiment illustrated, it is provided by two 7-segment displays.

(8) During an operation, display 2 is used for the display of operating information, such as the status of the converter.

(9) The operating type or a fault status of the converter, for instance, is shown.

(10) During the start-up operation, especially when setting the address, no operating information of the converter is displayed, but instead, the switch position of the address code switches is shown.

(11) The switch position of the first address code switch 3 is digitally displayed in the first one of the two 7-segment displays. In the same manner, the switch position of second address code switch 3 is displayed with the aid of the second one of the two 7-segment displays.

(12) Following a certain period of time, the 7-segment displays are once again used for the display of the operating information.

(13) The actuation, or in other words, the modification of the position of address code switch 3, may detected. As soon as the actuation has been detected, the 7-segment display will then be used to display the address information, i.e. the position of the address code switch. Once the actuation has been concluded, the display of the address information will continue to be maintained for a predefined period of time, whereupon a switch to the display of the operating information takes place.

(14) Therefore, during the setting of the address information and during a subsequent, predefined period of time, display 2 is used for the display of the input address information and then for the display of the operating information.

(15) Even in the case of an address change that takes place after the startup operation, i.e. an actuation of address code switch 3, the display 2 will once again be used to display the address information assigned to the switch position for the time period of the actuation and a subsequent period of time.

(16) Preferably, a hexadecimal number is able to be displayed by each one of the 7-segment displays, thereby utilizing the 7-segment display in an optimal manner. 256 different addresses are thus able to be displayed by the two hexadecimal numbers.

(17) In a further exemplary embodiment of the present invention, address code switches other than address code rotary switches 3 are employed. DIP switches may preferably be used for this purpose. These too have labeling on each switch. When the respective DIP switch is actuated, the information that corresponds to the respective switch position will be displayed.

LIST OF REFERENCE NUMERALS

(18) 1 Field device, e.g., a converter 2 Display, e.g., a 7-segment display 3 Address code rotary switch