DE102023210017A1 - Plant control, plant with such a plant control and plant control method - Google Patents

Abstract

The present invention relates to a plant control system 2 having at least one control device 5 for at least one automation component 3, 4 of a plant 1 and at least one mobile terminal 7 for communication with the at least one control device 5. Furthermore, the present invention relates to a corresponding plant control method and a plant 1 having at least one automation component 3, 4 and such a plant control system 2.

Description

The present invention relates to a plant control system, a plant with such a plant control system and a plant control method.

Such systems, which can be designed in particular as industrial systems, are known from the prior art. These systems usually have system controls and corresponding system control methods. These systems typically comprise automation components, such as entire machines or individual machine parts, and these are controlled by a central control device of the system, for example a programmable logic controller. In addition, a stationary operator terminal is usually provided, which is signal-connected to the control device for communication purposes, so that a user can control and monitor the system via the stationary operator terminal. In large systems with multiple system areas and automation components, controlling and/or monitoring the system via a single stationary operator terminal can be very confusing for the user. Incorrect inputs can also occur that cannot be checked or detected by the user on site. Thus, in such large systems, several stationary operator terminals have been used, each positioned close to the various system areas or automation components. The disadvantage is that the multiple stationary operating terminals, each equipped with all functions, make the system control very complex and cost-intensive.

It is therefore the object of the present invention to provide a plant control system that is cost-effective and enables simple, flexible, and safe operation of a plant. Furthermore, it is the object of the present invention to provide a plant with such a plant control system and a plant control method with the same advantages.

The above-mentioned object is achieved by a system control according to claim 1, a system according to claim 11 and a system control method according to claim 12. Advantageous further developments are described in the dependent claims.

According to the present invention, a system controller comprises at least one control device for at least one automation component of a system and at least one mobile terminal for communicating with the at least one control device. Preferably, the system controller has a plurality of such control devices and/or a plurality of such mobile terminals.

For the purposes of the present invention, communication is understood to mean both bidirectional and unidirectional communication between the respective components. Both wireless and physical or wired signal transmission devices can be used for communication between the at least one mobile terminal and the at least one control device.

By using at least one mobile device, it is no longer necessary to provide a stationary operator terminal near each plant area or each automation component. Instead, the user can move freely within the plant with the at least one mobile device and control and monitor the various automation components of the plant directly on site. Ultimately, this can reduce plant control costs. Furthermore, it enables simple, flexible, and safe operation of the plant by the user.

Advantageously, the system controller comprises at least one localization device, wherein the at least one mobile terminal and the at least one localization device are configured to be signal-connected for locating a position of the at least one mobile terminal relative to the system. Preferably, the system controller comprises a plurality of such localization devices.

For the purposes of the present invention, a signaling connection should be understood broadly. Accordingly, all solutions that enable bidirectional or unidirectional signal transmission between the respective components are considered. Both wireless and physical or wired connections can be used.

The at least one localization device makes it possible to determine the position of the at least one mobile terminal relative to the system or to a system area or an automation component. This ensures that the user with the at least one mobile terminal is on-site in the vicinity of a specific system area or to a specific component to be controlled and/or accessed via monitoring automation component is located. On the other hand, relevant information and operating functions for the respective system area or the respective automation component can be made available to the user on the at least one mobile terminal. This increases safety and enables easy operation of the system by the user. In a preferred embodiment, the at least one localization device is designed separately from the at least one control device.

In a further development, the signaling connection between the at least one mobile terminal and the at least one localization device is a detachable physical connection. Preferably, the detachable physical connection between the at least one mobile terminal and the at least one localization device is a detachable wired connection and/or a detachable USB connection.

The physical connection allows for particularly precise localization of the position of the at least one mobile terminal. Furthermore, secure signal transmission between the at least one localization device and the at least one mobile terminal is ensured. Furthermore, the physical connection can provide a high bandwidth for data transmission between the two devices. A USB connection offers a particularly simple, versatile, and cost-effective solution, as USB technology is established and widely used for mobile terminals.

In an advantageous development, the at least one localization device or the at least one mobile terminal has a signaling connection for the signaling connection between the at least one localization device and the at least one mobile terminal. The at least one localization device and the at least one mobile terminal can each comprise such a signaling connection. The signaling connection is preferably a USB port.

Preferably, the at least one localization device comprises a memory, wherein the memory contains location information retrievable by the at least one mobile terminal for locating the position of the at least one mobile terminal. The memory is preferably a USB stick.

The use of retrievable location information represents a simple and secure method for enabling the localization of the position of at least one mobile terminal. The location information is preferably stored in coded form on the memory. In addition, the location information can be easily adapted and updated using the memory. A further advantage is that the memory also allows larger amounts of data to be retrieved from the at least one localization device by the at least one mobile terminal. In addition to the location information, for example, further information relating to the control and/or monitoring of the system can also be read from the memory by the at least one mobile terminal. A USB stick offers a particularly simple, versatile and cost-effective solution, since USB technology is established and widely used.

Advantageously, the at least one localization device comprises a housing for protecting the memory.

The housing ensures, in particular, that unauthorized access to the memory is impossible. This prevents tampering with the memory or the information stored on it. This increases the security of the system control system. Furthermore, the housing also protects the memory from damage.

Preferably, the at least one control device is signal-connected to the at least one localization device, wherein the at least one localization device is designed such that the at least one control device is signal-connected to the at least one mobile terminal when the at least one localization device is signal-connected to the at least one mobile terminal. The signal-connection between the at least one control device and the at least one localization device is preferably a physical connection, wherein the physical connection between the at least one control device and the at least one localization device is preferably a wired connection and/or an Ethernet connection.

With this design, a signal connection between the at least one localization device and the at least one mobile terminal can be established simultaneously with the signal connection between the at least one control device and the at least one mobile terminal. Thus, no further signal connection between the at least one mobile terminal and the at least one control device is necessary for communication. dig. This simplifies the structure of the system control system. In addition, the physical connection can provide a high bandwidth for data transmission between the two devices. An Ethernet connection can bridge particularly long distances with a high bandwidth. Ethernet technology is also widespread, so its use offers a cost-effective and simple solution for the signaling connection. If the signaling connection between the at least one control device and the at least one localization device is an Ethernet connection and the signaling connection between the at least one localization device and the at least one mobile terminal is a detachable USB connection, the at least one localization device can, for example, have an Ethernet-USB adapter to implement the signaling connection between the at least one control device and the at least one mobile terminal. A further safety-related advantage is that if the signaling connection between the at least one localization device and the at least one mobile terminal is severed, the signaling connection between the at least one mobile terminal and the at least one control device is also severed, and data exchange is no longer possible.

Advantageously, the system controller has at least one operating unit for communicating with the at least one control device. Preferably, the at least one operating unit is stationary. Preferably, the system controller has a plurality of such operating units.

The at least one operating unit provides the system controller with a further means of communicating with the at least one control device. If the at least one operating unit is stationary, it can be positioned, in particular, near a specific system area or near a corresponding automation component to be controlled and/or monitored. This allows a user, for example, to directly influence the operation of the system or to display information. In a preferred embodiment, the at least one operating unit is designed separately from the at least one control device.

In a further development, the at least one operating unit has an actuating device, wherein the at least one control device is configured such that a function called by the at least one mobile terminal for controlling the system can only be executed when the actuating device is actuated. The actuating device is preferably a push button.

This can further increase safety when operating the system. This is because a further confirmation signal from the actuating device is required to execute a function called by the at least one mobile device, for example, a control command. In particular, if the at least one control unit is positioned on-site at the respective system area or the corresponding automation component to be controlled, it can be ensured that the user is in the immediate vicinity and can monitor the system's behavior.

Preferably, the at least one control device is designed such that the execution of the called function for controlling the system stops when the actuating device is no longer actuated.

This ensures that the user is permanently present while the called function is being executed by at least one control device and can monitor the corresponding behavior of the system.

Advantageously, the at least one operating unit has an emergency stop device, wherein the emergency stop device is preferably an emergency stop switch.

The emergency stop device allows the user to stop the system or the corresponding automation component at any time. This can increase safety. Preferably, the at least one control unit includes the at least one localization device.

This simplifies the design of the system control system. Furthermore, after the user has signal-connected the at least one localization device to the at least one mobile terminal, in particular by means of a physical connection, they can directly access the at least one control unit.

According to the present invention, a system comprises at least one automation component and a system control system as described above. The system preferably has a plurality of such automation components. The system is preferably an industrial system. The advantages described above for the individual features of the system control system apply accordingly to the system.

According to the present invention, a plant control method is also provided, preferably for a plant control system as described above, wherein the plant control method includes the following step: providing at least one mobile terminal for communication with at least one control device of a plant control system, wherein the at least one control device is provided for at least one automation component of a plant.

By providing at least one mobile device, the system can be operated cost-effectively by the user. Furthermore, the system can be operated flexibly, safely, and easily.

Preferably, the plant control method includes the following step: locating a position of the at least one mobile terminal with respect to the plant by means of at least one locating device of the plant control.

This allows the system to be operated in a particularly safe and simple manner.

Preferably, in order to locate the position of the at least one mobile terminal, the at least one mobile terminal is connected to the at least one localization device by means of signals, wherein preferably, by means of the signal connection of the at least one localization device to the at least one mobile terminal, the at least one control device is also connected to the at least one mobile terminal by means of signals.

By simultaneously connecting the at least one localization device to the at least one mobile terminal and the at least one control device to the at least one mobile terminal via signal technology, a simple and secure system control method is created.

Preferably, for signal-technical connection of the at least one mobile terminal to the at least one localization device, the at least one mobile terminal and the at least one localization device are physically connected, wherein preferably for physical connection of the at least one mobile terminal to the at least one localization device, the at least one mobile terminal and the at least one localization device are connected via a cable and/or a USB connection.

The physical connection allows the at least one mobile device to communicate with the at least one localization device with a high bandwidth. Furthermore, a particularly reliable signal connection is established between the two components.

Advantageously, in order to locate the position of the at least one mobile terminal, the at least one mobile terminal retrieves location information from a memory of the at least one localization device and processes the location information, wherein the memory is preferably a USB stick.

Retrieving the location information from the memory and processing the location information by the at least one mobile terminal represents a particularly simple and secure solution for locating the position of the at least one mobile terminal.

The system control method preferably includes the following steps: displaying information associated with the localized position of the at least one mobile terminal and/or enabling at least one function associated with the localized position of the at least one mobile terminal for controlling and/or monitoring the system on the at least one mobile terminal; and preferably deleting the information and/or blocking the at least one function for controlling and/or monitoring the system on the at least one mobile terminal when the signaling connection between the at least one mobile terminal and the at least one localization device is severed.

This allows the user to be shown only the information, or to access the control and/or monitoring functions, relevant to the localized position in a targeted and on-demand manner. This simplifies operation and increases safety.

The system control method preferably includes the following steps: calling up a function for controlling the system by the at least one mobile terminal; actuating an actuating device of at least one operating unit of the system control, wherein the at least one operating unit is provided for communication with the at least one control device; and executing the function called up by the at least one mobile terminal for controlling the system by the at least one control device only when the actuating device is actuated wherein the at least one operating unit is preferably designed to be stationary.

Thus, in order to execute the function called on the at least one mobile device, a further confirmation signal from the actuating device is still required. This allows the system to be operated in a particularly secure manner.

In an advantageous further development, the system control method includes the following step: stopping the execution of the called function for controlling the system by the at least one control device when the actuating device is no longer actuated.

Overall, the present invention provides a cost-effective system control system that enables flexible, simple, and reliable operation of the system. The same advantages can be observed for the system and system control method according to the invention.

• 1 eine Anlage mit einer Anlagensteuerung gemäß einer ersten Ausführungsform der vorliegenden Erfindung zeigt;
• 2 einen funktionalen Aufbau einer Lokalisierungsvorrichtung gemäß einer Ausführungsform der vorliegenden Erfindung zeigt;
• 3 eine Frontansicht einer stationären Bedieneinheit mit einer Lokalisierungsvorrichtung gemäß einer Ausführungsform der vorliegenden Erfindung ist; und
• 4 eine Anlage mit einer Anlagensteuerung gemäß einer zweiten Ausführungsform der vorliegenden Erfindung zeigt.

In the following, advantageous embodiments of the present invention will be described schematically with reference to figures, wherein

• 1 shows a system with a system control according to a first embodiment of the present invention;
• 2 shows a functional structure of a localization device according to an embodiment of the present invention;
• 3 is a front view of a stationary operating unit with a locating device according to an embodiment of the present invention; and
• 4 shows a system with a system control according to a second embodiment of the present invention.

Identical components in the different embodiments are identified by the same reference numerals.

In the 1 1 shows a system 1 with a system controller 2 according to a first embodiment of the present invention. In this exemplary embodiment, the system 1 is designed as an industrial system. In this exemplary embodiment, the system 1 has a first automation component 3 and a second automation component 4. The automation components 3 and 4 are, for example, each an industrial machine for conveying and/or processing a workpiece to be manufactured. However, the automation components 3 and 4 can also be individual machine parts of a corresponding machine. Of course, the system 1 can also have more than two automation components.

The system controller 2 has a central control device 5, which is signal-connected to the two automation components 3 and 4 via an Ethernet cable 6. The control device 5 is, for example, a programmable logic controller.

To control and/or monitor the system 1 or the two automation components 3 and 4, the system controller 2 has a mobile terminal 7. Accordingly, the mobile terminal 7 is designed to communicate with the control device 5. In the present example, the mobile terminal 7 is a Toughbook. However, it would also be conceivable to use a smartphone, a mobile phone, a tablet, or a laptop. If necessary, the system controller 2 can also have several such mobile terminals 7.

The system controller 2 further comprises a first stationary operating unit 8 and a second stationary operating unit 9 for communication with the control device 5, each of which is assigned to an automation component 3 and 4. Thus, the first stationary operating unit 8 is assigned to the first automation component 3 and positioned accordingly. The second stationary operating unit 9, in contrast, is assigned to the second automation component 4 and positioned accordingly. Both stationary operating units 8 and 9 are signal-connected to the control device 5 via Ethernet lines 10 and 11.

The system controller 2 also has a first localization device 12 and a second localization device 13 for localizing the position of the mobile terminal 7 relative to the system 1. Like the stationary operating units 8 and 9, the two localization devices 12 and 13 are each assigned to an automation component 3 and 4. Accordingly, the first localization device 12 is positioned near the first automation component 3 and the second localization device 13 near the second automation component 4. In the present example, the first stationary operating unit 8 comprises the first localization device 12. Accordingly, the first localization device 12 is signal-connected to the control device 5 via the Ethernet line 10. The second stationary operating unit 9, on the other hand, comprises the second localization device 13. Thus, the second localization device 13 is 11 is signal-connected to the control device 5.

In the 2 The functional structure of a localization device according to an embodiment of the present invention is shown by way of example. The first and second localization devices 12 and 13 are designed accordingly. For reasons of clarity, reference is made below only to the first localization device 12. However, the explanations apply accordingly to the second localization device 13.

The first localization device 12 comprises a housing 14, a memory 15, and an Ethernet-USB adapter 16. The memory 15 and the Ethernet-USB adapter 16 are arranged within the housing 14. The Ethernet cable 10 is connected to the Ethernet-USB adapter 16, so that the first localization device 12 is signal-connected to the control device 5.

The first localization device 12 is also designed to be signal-connected to the mobile terminal 7. For this purpose, the first localization device 12 has a connection in the form of a USB port 17. The USB port 17 is connected to the Ethernet-USB adapter 16 via the USB line 18. Furthermore, the memory 15 is connected to the Ethernet-USB adapter 16 via the USB line 19. Thus, the memory 15 can be accessed via the USB port 17. The Ethernet-USB adapter 16 also establishes a signal-connection from the control device 5 to the USB port 17. Thus, when the mobile terminal 7 is signal-connected to the first localization device 12 via the USB port 17, a signal-connection simultaneously exists between the mobile terminal 7 and the control device 5.

In this exemplary embodiment, the memory 15 is designed as a USB stick. Location information is stored in the memory 15, which can be retrieved to locate the position of the mobile terminal 7. In addition to the location information, further information for controlling and/or monitoring the system 1 or the automation component 3 can also be stored in the memory 15.

3 shows a front view of a stationary control unit according to an embodiment of the present invention. The stationary control units 8 and 9 are designed accordingly. For explanation purposes, reference is made below to the first stationary control unit 8. However, the explanations apply accordingly to the second stationary control unit 9.

How 3 As can be seen, the first stationary operating unit 8 is designed as a stationary control tower. The first localization device 12 is arranged in the upper region of the first stationary operating unit 8. The housing 14 of the first localization device 12 has an opening flap 20 on the side, beneath which the USB port 17 is arranged. In addition, the first stationary operating unit 8 has a plurality of actuating devices 21 and an emergency stop device 22. In the present exemplary embodiment, a total of four actuating devices 21 are provided, each of which is designed as a push button. The emergency stop device 22 is designed as an emergency stop switch. The emergency stop device 22 and the actuating devices 21 are arranged on the housing 14 of the first localization device 12. Furthermore, the first stationary operating unit 8 comprises a storage compartment 23 for the mobile terminal 7.

The following explains how the system control 2 can be used. As in 1 As can be seen, a user initially wishes to control and/or monitor the first automation component 3, for example. To do so, the user connects the mobile terminal 7 to the first localization device 12 via signal technology. To connect the mobile terminal 7 to the first localization device 12 via signal technology, the user can use a USB cable 24, for example. The USB cable 24 is connected to the USB port 17 of the first localization device 12 and a corresponding USB port on the mobile terminal 7. For this USB connection, special magnetic plugs, for example, can also be used, which offer a first simple protection against unauthorized access to the system control 2.

By signaling the mobile terminal 7 to the first localization device 12, a signaling connection is simultaneously established between the control device 5 and the mobile terminal 7. In this way, by signaling the mobile terminal 7 to the first localization device 12, a high-bandwidth communication channel is simultaneously provided between the mobile terminal 7 and the control device 5.

A localization process is triggered by the signal-technical connection of the mobile terminal 7 with the first localization device 12. The mobile terminal 7 has a software installed, which detects that the mobile terminal 7 is connected to the memory 15 via signal technology. The mobile terminal 7 then retrieves the location information from the memory 15, evaluates it, and can thus determine the position of the mobile terminal 7 relative to the system 1. The memory 15 contains further information in the form of link destinations for communication with the control device 5, which are also retrieved and processed by the mobile terminal 7.

By localizing the position of the mobile terminal 7, it is determined that it is located near the first automation component 3. Accordingly, after localization, corresponding information, such as the type of the first automation component 3 and its key figures, is shown on a display of the mobile terminal 7. Furthermore, based on the localization, functions for controlling and/or monitoring the first automation component 3 are enabled on the mobile terminal 7. For example, the various functions can be visualized as selectable on the display of the mobile terminal 7. The user can then call up the various functions for controlling and/or monitoring the first automation component 3 via the mobile terminal 7.

For the actual execution of a function called by the mobile terminal 7 for controlling the first automation component 3, the system controller 2 according to the invention offers a further safety precaution. In particular, the control device 5 is designed such that the control function called on the mobile terminal 7 can only be executed if one of the actuating devices 21 of the first stationary operating unit 8 is actuated. This ensures that the user is on site while controlling the first automation component 3 and can monitor the process. In summary, the user thus calls up the control function on the mobile terminal 7 and then actuates the corresponding actuating device 21, so that the function is executed by the control device 5 and the first automation component 3 is controlled accordingly. As soon as the user no longer actuates the corresponding actuating device 21, the execution of the called function is stopped by the control device 5. If necessary, the user can stop the system 1 or the automation component 3 at any time using the emergency stop device 22.

After the user has completed their work on the first automation component 3, they may then wish to continue with the second automation component 4, for example. To do so, the user disconnects the signal connection between the mobile terminal 7 and the first localization device 12. This is detected by the mobile terminal 7, and the information displayed on the first automation component 3 is deleted from the display of the mobile terminal 7. Furthermore, any functions for controlling and/or monitoring the first automation component 3 are blocked again. The user can then connect the mobile terminal 7 to the second localization device 13 via signal technology in order to control and/or monitor the second automation component 4. The statements described above with regard to the first automation component 3 in interaction with the control device 5, the first stationary operating unit 8, and the first localization device 12 apply accordingly to the second automation component 4 in interaction with the control device 5, the second stationary operating unit 9, and the second localization device 13.

4 shows a system 1 with a system control 2 according to a second embodiment of the present invention. Instead of a central control device 5, a separate control device 5 is provided for each automation component 3 and 4. The above statements regarding the 1 The first embodiment shown applies accordingly to the second embodiment.

Finally, it should be noted that the numerals "first" and "second" used do not imply any desired order. Rather, they serve solely to conceptually distinguish similar features and elements of the present invention.

REFERENCE SYMBOL

1

Attachment

2

Plant control

3

first automation component

4

second automation component

5

Control device

6

Ethernet cable

7

mobile device

8

first stationary control unit

9

second stationary control unit

10

Ethernet cable

11

Ethernet cable

12

first localization device

13

second localization device

14

Housing

15

memory

16

Ethernet USB adapter

17

USB port

18

USB cable

19

USB cable

20

flap

21

Actuating device

22

Emergency stop device

23

storage compartment

24

USB cable

Claims (18)

Plant control (2), comprising: at least one control device (5) for at least one automation component (3, 4) of a plant (1); and at least one mobile terminal (7) for communicating with the at least one control device (5). System control (2) according to Claim 1 , wherein the system controller (2) has at least one localization device (12, 13), wherein the at least one mobile terminal (7) and the at least one localization device (12, 13) are designed to be signal-connected for locating a position of the at least one mobile terminal (7) with respect to the system (1). System control (2) according to Claim 2 , wherein the signaling connection between the at least one mobile terminal (7) and the at least one localization device (12, 13) is a detachable physical connection, wherein the detachable physical connection between the at least one mobile terminal (7) and the at least one localization device (12, 13) is preferably a detachable wired connection and/or a detachable USB connection. System control (2) according to Claim 2 or 3 , wherein the at least one localization device (12, 13) has a memory (15), wherein the memory (15) has location information that can be called up by the at least one mobile terminal (7) for locating the position of the at least one mobile terminal (7), wherein the memory (15) is preferably a USB stick. System control (2) according to Claim 4 , wherein the at least one localization device (12, 13) has a housing (14) for protecting the memory (15). System control (2) according to one of the Claims 2 until 5 , wherein the at least one control device (5) is connected to the at least one localization device (12, 13) by signal technology, and the at least one localization device (12, 13) is designed such that the at least one control device (5) is connected to the at least one mobile terminal (7) by signal technology when the at least one localization device (12, 13) is connected to the at least one mobile terminal (7) by signal technology, wherein the signal technology connection between the at least one control device (5) and the at least one localization device (12, 13) is preferably a physical connection, wherein the physical connection between the at least one control device (5) and the at least one localization device (12, 13) is preferably a wired connection and/or an Ethernet connection. System control (2) according to one of the preceding claims, wherein the system control (2) has at least one operating unit (8, 9) for communication with the at least one control device (5), wherein the at least one operating unit (8, 9) is preferably stationary. System control (2) according to Claim 7 , wherein the at least one operating unit (8, 9) has an actuating device (21), wherein the at least one control device (5) is designed such that a function called up by the at least one mobile terminal (7) for controlling the system (1) can only be executed when the actuating device (21) is actuated, wherein the actuating device (21) is preferably a push button. System control (2) according to Claim 7 or 8 , wherein the at least one operating unit (8, 9) has an emergency stop device (22), wherein the emergency stop device (22) is preferably an emergency stop switch. System control (2) according to one of the preceding claims and at least Claims 2 and 7 , wherein the at least one operating unit (8, 9) comprises the at least one localization device (12, 13). System (1) with at least one automation component (3, 4) and a system control (2) according to one of the Claims 1 until 10 . Plant control method, preferably for a plant control (2) according to one of the Claims 1 until 10 , wherein the plant control method includes the following step: providing at least one mobile terminal (7) for communication with at least one control device (5) of a plant control (2), wherein the at least one control device (5) is provided for at least one automation component (3, 4) of a plant (1). Plant control procedures according to Claim 12 , wherein the system control method includes the following step: locating a position of the at least one mobile terminal (7) with respect to the system (1) by means of at least one locating device (12, 13) of the system controller (2). Plant control procedures according to Claim 13 , wherein, in order to locate the position of the at least one mobile terminal (7), the at least one mobile terminal (7) is connected to the at least one localization device (12, 13) by means of signals, wherein preferably, by means of the signal connection of the at least one localization device (12, 13) to the at least one mobile terminal (7), the at least one control device (5) is also connected to the at least one mobile terminal (7) by means of signals. Plant control procedures according to Claim 14 , wherein for the signal-technical connection of the at least one mobile terminal (7) to the at least one localization device (12, 13), the at least one mobile terminal (7) and the at least one localization device (12, 13) are physically connected, wherein preferably for the physical connection of the at least one mobile terminal (7) to the at least one localization device (12, 13), the at least one mobile terminal (7) and the at least one localization device (12, 13) are connected via a cable and/or a USB connection. Plant control method according to one of the Claims 13 until 15 , wherein, in order to locate the position of the at least one mobile terminal (7), the at least one mobile terminal (7) retrieves and processes location information from a memory (15) of the at least one localization device (12, 13), wherein the memory (15) is preferably a USB stick. Plant control method according to one of the Claims 13 until 16 , wherein the system control method comprises the following steps: displaying information associated with the localized position of the at least one mobile terminal (7) and/or enabling at least one function associated with the localized position of the at least one mobile terminal (7) for controlling and/or monitoring the system (1) on the at least one mobile terminal (7); and preferably deleting the information and/or blocking the at least one function for controlling and/or monitoring the system (1) on the at least one mobile terminal (7) when the signaling connection between the at least one mobile terminal (7) and the at least one localization device (12, 13) is severed. Plant control method according to one of the Claims 12 until 17 , wherein the system control method comprises the following steps: calling up a function for controlling the system (1) by the at least one mobile terminal (7); actuating an actuating device (21) of at least one operating unit (8, 9) of the system control (2), wherein the at least one operating unit (8, 9) is provided for communication with the at least one control device (5); and executing the function called up by the at least one mobile terminal (7) for controlling the system (1) by the at least one control device (5) only when the actuating device (21) is actuated, wherein the at least one operating unit (8, 9) is preferably designed to be stationary.

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