METHOD FOR ASSIGNING ADDRESSES TO NODES OF A BUS SYSTEM, AND INSTALLATION

Abstract

A method for assigning addresses to nodes of a bus system, and installation, bus nodes being furnished with an identical delivery address, where (i) an assigning entity, particularly a central computer, start-up computer or bus node sends information to the delivery address via the bus system, (ii) the information includes a first address, (iii) an action is performed whose effect is detected by a first bus node, (iv) the first bus node accepts the first address, (v) the first bus node sends a response to the assigning entity, and (vi) steps (i) through (v) are repeated, each time with a further address for a further bus node.

Claims

1-23. (canceled)

24. A bus system, comprising: an assigning entity; a plurality of bus nodes, during production and/or start-up of the bus system, the bus nodes having an identical delivery address; a bus interconnecting the assigning entity and the plurality of bus nodes, wherein (i) the assigning entity is configured to send information to the delivery address via the bus, the information including a first address; (ii) a first bus node of the plurality of bus nodes is configured to detect an effect of a performing of an at least one action; (iii) the first bus node is configured to accept the first address and overwrite the delivery address with the first address; (iv) the first bus node is configured to send a response to the assigning entity, wherein the response occurs after the performance of the action, and the performance of the action occurs after the sending the information; and (i) to (iv) are repeated each time with a corresponding address for each further bus node.

25. The bus system according to claim 24, wherein the bus nodes include drives, inverters, inverter motors, decentralized controllers, and/or decentralized electronic devices.

26. The bus system according to claim 24, wherein the assigning entity includes a central computer, a start-up computer, and/or a bus node.

27. The bus system according to claim 24, wherein the addresses are assigned in automated fashion during production of at least one pre-completed installation part and/or an entire installation.

28. The bus system according to claim 24, wherein the action includes a movement of a part of the bus nodes disposed in a manner allowing mechanical movement.

29. The bus system according to claim 28, wherein the part includes a shaft, a drive shaft, a motor shaft, an intermediate shaft, and/or a rotor.

30. The bus system according to claim 24, wherein a device is configured to perform the action at the bus nodes, the at least one action performed for identification of the bus nodes.

31. The bus system according to claim 24, wherein the action is performed by a person, the action including making a gesture and/or speaking.

32. The bus system according to claim 24, wherein the action includes a switching-on of an electric energy supply for the bus nodes.

33. The bus system according to claim 24, wherein the action includes a switching-on an electric power-energy supply for the bus nodes, a supply voltage for signal electronics, a 24-volt supply voltage, and/or a signal.

34. The bus system according to claim 24, wherein the bus nodes are arranged such that an energy supply and/or a signal-electronics supply voltage is switchable in series.

35. The bus system according to claim 34, wherein the bus nodes switch in and/or release the supply voltage and/or the signals to a following bus node.

36. The bus system according to claim 24, wherein the action includes a clearing of a controller inhibit and/or a clamping of a wire jumper at the bus nodes.

37. The bus system according to claim 24, wherein the action includes) actuation of a digital input to apply a voltage and/or pressing of a switch and/or a button.

38. The bus system according to claim 24, wherein the action includes operation of an actuation device, a potentiometer, and/or a rotary knob.

39. The bus system according to claim 24, wherein the action includes actuation of an air interface and/or an infrared interface.

40. The bus system according to claim 24, wherein one kind of action from several kinds of actions is used as action for each bus node.

41. The bus system according to claim 24, wherein a same kind of action is used for each bus node.

42. The bus system according to claim 24, wherein a different kind of action is used for different bus nodes.

43. The bus system according to claim 24, wherein the information includes a broadcast telegram.

44. The bus system according to claim 20, wherein the response is not initiated directly by the broadcast telegram.

45. The bus system according to claim 24, wherein the accepted address is effective as an address of the respective bus node in the bus system.

Description

DETAILED DESCRIPTION

[0034] Example embodiments of the present invention are explained in more detail with reference to the Figures.

[0035] FIG. 1 shows a facility according to example embodiments of the present invention. It is an installation in which various devices, e.g., drives or decentralized electronic modules such as decentralized controllers are provided as bus nodes 2, 3, 4. Data is exchanged between bus nodes 2, 3, 4 and a central computer 1 via data bus 5.

[0036] In addition, bus nodes 2, 3, 4 are connected to an energy supply 6.

[0037] The bus nodes are to be furnished with an individual address in order to permit identification. Thus, data is able to be sent out to determinable receivers.

[0038] The method of example embodiments of the present invention for the addressing, thus an assignment of addresses to the bus nodes, is carried out in that during production of the bus node, its address is set to a delivery address.

[0039] During start-up of the installation, an address is assigned to each bus node. This is accomplished in that the central computer sends to the delivery address the information that the receiver of this message should set its address to the value sent along at the same time. This may be sent as a broadcast telegram, thus in the form of a message intended for all connected bus nodes.

[0040] However, the respective bus node only executes this command if an additional action determinable beforehand takes place. After executing the command, the bus nodeautomatically or upon demand of the superordinate controllersignals back the completion of the execution to the central computer. It then repeats the sending of a message with a different address. However, the next bus node again only executes this command if in turn an additional action determinable beforehand takes place. The type of action is the same for all bus nodes.

[0041] Different actions are realized in different exemplary embodiments:

[0042] 1) The switching-on of the energy supply is provided as a first exemplary action. Because it is provided that during the start-up, one bus node after the other receives this action, an individual address is ensured.

[0043] 2) An alternative action is the movement of a part of the drive such as the shaft, etc.

[0044] 3) Another alternative action is the clearing of a controller inhibit. For example, this is feasible by the clamping of a wire jumper at the bus node.

[0045] 4) Another alternative action is able to be realized, for example, by the actuation of a digital input, thus applying a voltage or pressing a switch or button.

[0046] 5) A further alternative action is practicable, for example, by the operation of an actuation means such as a potentiometer, rotary knob, etc.

[0047] 6) Another alternative action is achievable, for example, by the actuation of an air interface or infrared interface, e.g., by transmitting a suitable signal.

[0048] In further exemplary embodiments, no central computer is present; rather, the function is carried out by a bus node or a computer connected temporarily by way of example to the data bus.

[0049] In further exemplary embodiments, the energy supply and the data transmission are accomplished in a manner integrated in one cable system. On one hand, this is possible via a hybrid cable system which includes power lines and bus lines, or by higher-frequency modulation of the bus information on the energy-supply cable.

[0050] In further exemplary embodiments, the bus nodes are fed in contactless fashion by the energy-supply system. In this case, a primary conductor is to be run in the installation, and the bus nodes are equipped with secondary coils which are able to be inductively coupled to the primary conductor, in order to switch in the energy supply for the bus node. For example, to that end, the primary conductor is wrapped around a housing area of the bus node.

[0051] Bus nodes may be drives. Inverters, inverter motors, decentralized controllers or decentralized electronic devices, etc., are usable as bus nodes, as well.

[0052] In further exemplary embodiments, a different type of action is assigned to each bus node. However, a number of actions are also assignable, so that in response to the occurrence of one of the actions at a bus node, the bus node executes the command and sends the response to the central computer.