Improved form factor and electromagnetic interference protection for process device wireless adapters

FIELD: physics.

SUBSTANCE: present group of inventions relates to a process device wireless adapter. The process device wireless adapter includes a wireless communication module configured to communicatively connect to a process device and to a wireless receiver, wherein the wireless communication module is configured to interact with the process device in accordance with the standard technological protocol; a metal housing which surrounds the wireless communication module and has a first end and a second end, wherein the first end is configured to attach to the process device; a metallic shield which is in contact with the second end of the housing such that the metallic shield and the housing form an essentially continuous conducting surface; and an antenna which is communicatively connected to the wireless communication module and separated from the wireless communication module by the metallic shield.

EFFECT: design of a wireless communication adapter of a process device which is provided with electromagnetic interference protection and has a small form factor.

17 cl, 8 dwg

 

PRIOR art

Industrial applications of control systems used to monitor and control the inventory of industrial and chemical processes and the like. Typically, the control system performs these functions using the field device, placed in key positions of the industrial process and connected to the control circuit in the control by the control loop process. Field devices typically perform functions such as determining the parameter or effect on the process in a distributed control system or monitoring system process.

Some field devices include the Converter. Under the Converter), or a device that generates an output signal based on a physical input or which generates a physical output based on the input signal. Typically, the Converter converts the input data into output data having a different form. Types of transformers include a variety of analytical equipment, pressure sensors, thermistors, thermocouples, strain gauges, flow transmitters, positioners, actuators, solenoids, indicator lights, etc.

Typically, each field device also includes a communication scheme that COI the box is used for communication with the dispatch process, or other circuit through a control loop process. In some installations, the control loop process is also used to supply a constant current and/or voltage at the field device to power field devices. The control loop process also transfers data in analog or digital format.

Traditionally, analog field devices are connected with the control two-wire current loop process control, and each device connected to the control room one two-wire control loop. Typically, the voltage difference between two wires is maintained in the range of voltages from 12-45 Volts for analog mode and 9-50 Volts for the digital mode. Some analog field devices transmit a signal in the control room, controlling the current flowing through the current loop, the current value is proportional to a particular process variable. Other field devices can perform actions under the control of the control room, modulating the amount of current through the circuit. Additionally or alternatively the control loop process can transmit digital signals used to communicate with field devices.

In some installations have begun to use wireless technology to communicate with field devices. Wireless operation simplifies wiring and installation of the field device is STV. However, a large part of the field devices rigidly mounted in the control process and does not use wireless technology.

Industrial process equipment often contains hundreds or even thousands of field devices. Many of these field devices contain sophisticated electronics and is able to provide more data than traditional analog 4-20 mA measurement. For several reasons, including because of cost, many installations do not take advantage of additional data that may be provided such field devices.

The INVENTION

This has created a need for a wireless adapter for such field devices that may connect to the field devices and to transmit data back to the control system or other system monitoring or diagnosis, or the application over the wireless network.

DISCLOSURE of INVENTIONS

Wireless adapter for technological device includes a wireless communication module, the metal housing and the antenna. The wireless communication module is configured to communication process connection device and the wireless receiver. Metal case surrounds a wireless communication module and has a first end and a second end. The first end is made with the possibility of the ability to attach to the process device. In one embodiment, the metal shield is in contact with the second end of the housing so that the metal shield and the housing form a continuous conducting surface. The communication antenna connected to the wireless communication module and separated from the wireless communication module with metal protective shield. Preferably, the wireless communication module, as an example, includes a printed circuit Board, which has a length greater than its width.

BRIEF DESCRIPTION of DRAWINGS

In the drawings:

Figure 1 depicts a schematic illustration of an exemplary field device, which is applicable wireless adapter according to the present invention;

Figure 2 depicts a block diagram of a field device, shown in figure 1;

Figure 3 depicts a General view of the wireless adapter with an improved form factor, coupled with technological device.

Figure 4 depicts the General view in the context of the wireless adapter in Figure 3;

Figure 5 depicts a simplified block diagram of the control system or monitoring process, which includes wireless adapter;

6 depicts a section of the wireless adapter, which reduces or eliminates electromagnetic interference according to a variant implementation of the present invention;

Fig.7 depicts the context of other the wow wireless adapter, that reduces or eliminates electromagnetic interference according to a variant implementation of the present invention;

Fig depicts a simplified section view showing a wireless adapter, connected with technological device.

DETAILED description of the VARIANTS of EMBODIMENT of the INVENTION

Embodiments of the present invention, in General, include a wireless adapter that is configured to process connection device and connection with dispatch process or with the remote monitoring system or diagnostic application running on the computer. Technological devices are usually installed in areas with limited access. Certain embodiments of described in this application include wireless adapters with improved form factors. Improved form factors allow you to connect wireless adapters with technological devices in a variety of environmental conditions, including the surrounding environment, which may not allow any other way to attach the wireless adapter to the technological device. Technological devices are usually installed in environments with electromagnetic interference (EMI), which can adversely affect performance or operation of the wireless adapter. Some the e options implementation described in this application include wireless adapters having an electrically conductive shell, which reduce or eliminate the negative effects of EMI.

1 and 2 depict a schematic and block diagram of an exemplary field device, which may be applicable wireless adapter according to a variant implementation of the present invention. The system 10 of the control or monitoring of the technological process includes the control or system control 12, which is connected to one or more field devices 14 via a two-wire circuit 16 process control. Examples of circuit 16 management process include analog in the range of 4-20 mA, hybrid protocols, which include both analog and digital communication, such as a standard Protocol to communicate with a remote sensor with bus addressing (HART®), a fully digital protocols, such as standard and FOUNDATION™ Fieldbus. Usually the contours of process control can feed a field device, and to prevent communication between the field device and other devices.

In this example, the field device 14 includes a circuit 18 connected to actuator/transducer 20 and circuit 16 process control via the output of the flap 21 in the housing 23. Field of the device is the STV 14 is illustrated in the form of the generator of the controlled variable of the process in that regard, he joins the process and determines the aspect, such as temperature, pressure, pH, flow, or other physical properties of the process, and provides his testimony. Other examples of field devices include valves, actuators, controllers and displays.

Usually field devices differ in their ability to work “in the field”that may expose them to environmental influences such as temperature, humidity and pressure. In addition to the environmental field devices often must withstand Korroziya substances, hazardous and/or even explosive atmospheres. Additionally, such devices should also work in the presence of vibration and/or electromagnetic interference. Field device of the type illustrated in figure 1, represent a relatively large installed base of legacy devices that are designed to work involves only a wired connection.

Figure 3 depicts a General view of the improved form factor of the wireless adapter 300 is connected with the processing device 350, and Figure 4 depicts the General view in section of the adapter 300. The adapter 300 includes a region 301 (for example, the area having a threaded surface, mechanical attachment, which is attached to the device 350 via a standard pipe 352 of the field device. Examples of suitable pipe connections include 1/2-14 NPT, M20 x 1.5, G1/2 and 3/8-18 NPT. The adapter 300 in the example attached to the device 350 or choose to unpin it from him by the rotation of the adapter 300 around the axis 370 of rotation. Region 301 attachment preferably is hollow to allow wires 344 to connect the adapter 300 and the device 350.

The adapter 300 includes enclosing the main body or housing 302 and the tip 304. The housing 302 and the tip 304 provide protection from exposure to the environment for the component included in the adapter 300. As can be seen in Figure 4, the housing 302 encloses or surrounds one or more circuit Board 310 wireless. Each circuit Board 310 as an example has a rectangular shape and a length of 312, which continues along or parallel to the axis 370 of rotation (shown in Figure 3). Each Board 310 also has a width 314, which runs radially outward from the axis 370 rotation or perpendicular to it.

In one embodiment, the length 312 and the width of the circuit Board 314 configure or choose thus to allow connection of the adapter 300 to the technological device 350 in a variety of environmental conditions. For example, processing device 350 may be located in an environment in which there is limited space for the width 314 of the circuit Board 310. In this case the width 314 of the circuit Board is reduced so that so she could match the environment. The length 312 of the circuit Board is correspondingly increased to compensate for the reduction in the width 314. This allows circuit Board 310 to include all the necessary electronic components, while having a form factor that corresponds to the environment of technological devices. In one embodiment, the length 312 is greater than the width 314 (i.e. ratio of length to width is greater than one). Embodiments of the present disclosure, however, is not limited to any specific relations or dimensions. It should also be noted that the length and/or diameter of the housing 302 and the tip 304 as an example, is adjusted so that the total length and the diameter/width of the wireless adapter 300 is minimized (i.e. the dimensions of length and diameter of the housing 302 and the tip 304 is such that they are great to the extent necessary to accommodate fenced component).

Figure 5 depicts a simplified block diagram of a system 500 control or monitoring of the technological process, in which dispatch or system 502 management communication connected with the field device 350 via the wireless adapter 300. The wireless adapter 300 includes a module 310 wireless and antenna 320. Module 310 wireless connected to pin what Oller 356 technological devices and communicates with an external wireless device (e.g., system 502 control or other wireless devices or control systems, as illustrated in Figure 5) via antenna 320, based on data from the controller 356. Depending on the application module 310 wireless communication may be adapted to interact in accordance with any suitable Protocol for wireless communication, including, but not limited to: wireless networking technologies (such as wireless access point IEEE 802.11b wireless network device, designed by Linksys of Irvine, Calif.); cellular or digital networking technologies (such as Microburst® Aeris Communications Inc., San Jose, Calif.); technology ultra-wideband free-space optics, global system for mobile communication (GSM), the General packet radio service destination (GPRS); multiple access, code division multiple access (CDMA), wideband spectrum, infrared technique; SMS (short message service/text messaging); known Bluetooth specification, such as Bluetooth Core Specification Version 1.1 (February 22, 2001), accessible via the Bluetooth SIG (www.bluetooth.com); and the specification of the Wireless HART®, published by the Hart Communication Foundation, for example. The relevant part of the specification, Wireless HART® include: HCF_Spec 13, revision 7.0; HART Specification 65 - Wireless Physical Layer Specification; HART Specification 75 - TDMA Data Link Layer Specification (DMA means multiple access with time division channels); HART Specification 85 - Network Management Specification; HART Specification 155 - Wireless Command Specification; and HART Specification 290 - Wireless Devices Specification. Additionally can be applied to known technology of conflict data, so that multiple devices can coexist in the range of wireless operation with each other. Avoidance of conflict may include the use of a certain number of different radio frequency channels and/or broadband spectrum.

Module 310 wireless communication may also include transducers for a variety of methods of wireless communication. For example, the primary wireless connection could be made using methods of communication at relatively large distances, for example GSM or GPRS, then as a secondary or additional method of communication could be provided for experts or operators near the device using, for example, IEEE 802.11b or Bluetooth.

The field device 350 additionally includes a power circuit 352 and the actuator/transducer 354. In one embodiment, the energy module 352 nourishes the controller 356 to interact with the actuator/transducer 354 and module 310 wireless. Energy from module 352 may also feed components of the wireless adapter 300. The controller 356 technological devices and module 310 of the wireless communication, as an example, interact with each other in accordance with an industry standard Protocol, such as 4-20 mA, HART®, FOUNDATION™ Fieldbus, Profibus PA, Modbus or CAN. Alternative wireless adapter can be powered from its own power source, such as a battery, or from other sources, such as pumping energy.

6 depicts a section of the wireless adapter 600, which reduces or eliminates electromagnetic interference (EMI) in accordance with one embodiment of the present invention. The adapter 600 includes electronics 602 (e.g., one or more PCB) of a wireless communication module, antenna 604, metal housing or shell 606, a metal protective screen 608, a non-metallic tip 610 (e.g., plastic fairing) and a conductive elastomeric gasket 612. Metal shell 606 as an example, made of metallized plastic or metal, such as aluminum, and has a cylindrical shape. Metal protective screen 608 as an example made of plastic, coated with a conductive material, or of metal, such as stamped sheet metal.

Gasket 612 is set into a circular ring 613 shell 606. Gasket 612 is in contact with the metal shell 606, and a metal protective screen 608 asthat the three components form a continuous conducting surface. This conductive surface protects the module 602 wireless from EMI.

Metal protective screen 608 is provided with a small hole or a hole 609. The hole 609 allows electrical connection 630 (e.g., coaxial cable) to pass through the protective screen 608 and connect the antenna module 604 602 wireless. Alternative antenna 604 may be formed as one unit with the module 602, for example, in the form of tracks around the outer edge of the circuit Board. In this case, the antenna 604 entirely passes through the protective screen 608 through the hole 609.

Non-metallic tip 610 and a metal protective screen 608 surround the antenna 604 and provide physical protection (protection against environmental influences) for the antenna. Wireless signals can pass through non-metallic tip 610. This allows the antenna 604 to send and receive wireless signals. In the embodiment, the protective screen 608 and antenna 604 is designed so that the protective screen 608 is part of the counterweight antenna 604.

Metal shell 606 has a small hole or a hole 607. Hole 607 allows electrical conductors or connections 611 to pass through it. Connection 611 as an example, connect the wireless adapter 600 with technological device so that the communication signals can before the interference between the wireless adapter 600 and technological device. The adapter 600 as an example, interacts with the technological device in accordance with the industrial Protocol, such as described above (e.g., HART®). Connection 611 can also provide wireless adapter 600 power (e.g., current or voltage).

7 depicts a section of another wireless adapter 700, which reduces or eliminates EMI in accordance with the embodiment of the present invention. The adapter 700 includes many of the same or similar component, and the adapter 600, appropriately numbered. The adapter 700 includes a conductive strip, in contrast to the adapter 600. Instead, the metal shield 708 is electrically conductive pins or spring-loaded pins 718. Pins 718 installed inside a rounded ring 712 shell, so that a protective shield 708 and the sheath 706 form a continuous conductive surface that surrounds the module 702 wireless. Surrounding conductive surface protects the electronics inside the module 702 from EMI.

In another embodiment, the wireless adapter shell (for example, the shell 606 on 6 and the sheath 706 7) electronics made of non-metallic material. Electronics (e.g., module 602 figure 6 and module 702 7) of the wireless adapter, as an example, the Conn is and separate from EMI metal shield inside the shell of electronics and surrounding electronics.

In another embodiment, the wireless adapter does not include the tip (for example, the tip 610 figure 6)that encloses the antenna. Instead, use a flexible retractable whip antenna. Whip antenna is located or placed next to the protective screen (for example, a protective screen 608 figure 6) adapter and remains open to the environment.

Wireless adapters in the example is made with regard to meet the requirements of internal security and provide the ability to fire resistance (ex). Additionally, wireless adapters, if required, include sealing the inside of their shells electronics for additional protection of the enclosed electronics. In this case, the protective metal screens wireless adapters may include one or more slits and/or openings to facilitate the passage of sealant.

Fig depicts incision wireless adapter 800 connected with technological device 850, in accordance with the embodiment of the present invention. Device 850 includes actuator/transducer 864 and the measuring circuit 866. The measuring circuit 866 is connected with the circuit 868 field device is VA. Device 850 is connected to two-wire circuit 888 management process through the connecting unit 806, and a wireless adapter 800. Optional wireless adapter 800 is connected to the housing of the device 850. In the example shown in Fig, the connection is made through pipe connections 809 NPT. Artboard wireless adapter 800 as an example, connected with a ground connection device 810 850 via wire 808. Device 850 includes a connector block 802 two-wire loop process control, which is connected to the connection 812 from the wireless adapter 800. As illustrated in Fig wireless adapter 800 can be through the thread inserted in the pipe connection 809. The housing 820 is the antenna 826 to support schema wireless adapter 800. Advanced tip 824 may be tightly connected to the housing 820 and allows the transmission of wireless signals through it. Note that in the arrangement shown in Fig, provided five electrical connections with a wireless adapter 800 (i.e. four connection circuit and the ground connection). These diagrams electrical and mechanical connections, however, are given only for illustrative purposes. Embodiments of the present invention is not limited to any specific electric circuit or mechanism is an economic connection, and options for implementation include any electrical or mechanical connection as an example.

The term “field device”used in this application, may include any device that is used in the control system or monitoring of the technological process, and not necessarily require accommodation in “field conditions”. Field devices include, without limitation, transmitters variables processes, digital valve controllers, flow meters and adders flow. The device can be placed in any location in the process control system, including control room or control circuit. Conclusions used to communicate with the control loop process, designate any appropriate electrical connection and may not contain the physical or discrete findings. Any suitable wireless communication scheme may be used, if required, and any suitable communication Protocol, frequency or communications technology. The components of the power supply are configured on demand and are not restricted set forth in this application configurations or any other specific configuration. In some embodiments, the implementation of field devices include an address that can be included in any transfer, so that the device is able is to be identified. Similarly, this address can be used to determine is whether the received signal for this particular device. However, in other embodiments, implementation addresses are not used, and the data is simply passed from the schema wireless without address information. With this configuration, if you want to receive data, any received data may include address information. In some embodiments, the implementation of this may be acceptable. In others there may be used other technologies addressing or identification technologies, such as assigning a specific frequency or communication Protocol specific device, assigning a specific time slot or period specific device, or other technologies. Any suitable communication Protocol and/or network technology can be used, including token-based technology, in which a token is passed between devices to allow thereby transmit / receive device-specific.

As discussed, embodiments of the present invention improve wireless communication with the processing device. Certain embodiments of reduce electromagnetic interference with wireless adapters, providing a conductive surface, which surrounds and protects Aagaard is defined electrical communication modules or components. Antenna wireless adapters as an example, placed outside conductive surface, so that they can Wi-Fi to communicate with the control system. Antenna, if required, protected from environmental influences by a fence antenna non-metallic tip, which allows for the passing of the wireless signals. Additional options for implementation include improved form factors that allow you to attach the wireless adapter to the technological devices that are limited in the surrounding conditions, which otherwise may not allow attaching the wireless adapter. Form factors as improved by reducing the width of the wireless adapter and compensation to decrease the width by increasing the length of the adapter.

Although the present invention has been described with reference to specific embodiments of the specialists in the art will understand that there may be changes in form and details without deviating from the essence and scope of the invention.

1. Wireless adapter technological device that contains:
communication wireless communication module, configured for the communication process connection device and the wireless receiver, and the communications wireless communication module configured to communicate with the processing device in accordance with a standard process Protocol;
the metal housing surrounding the wireless communication module and having a first end and a second end, the first end configured to attach to the process device;
metal protective screen which is in contact with the second end of the housing, so that the metal shield and the housing form an essentially continuous conducting surface; and
antenna, communication connected with the communication module wireless and separated from the communication module for wireless communication through a metal protective screen.

2. The wireless adapter of claim 1, wherein the wireless communication module contains a printed circuit Board, and printed circuit Board has a length and a width, the length is between the first end of the metal housing and the second end of the metal housing, and a length greater than the width.

3. Wireless adapter according to claim 2, in which the wireless communication module includes a second circuit Board, the second printed circuit Board has a length and width, and the length of the second printed circuit Board is held between the first end of the metal housing and the second end of the metal housing, the length of the second printed circuit Board is greater than the width of the second printed circuit Board.

4. Wireless adapter according to claim 1, additionally containing:
non-metallic tip, which is attached to the housing and which surrounds the antenna.

5. Wireless adapter according to claim 4, in which the non-metallic tip is plastic Radome.

6. The wireless adapter of claim 1, wherein the metal case includes aluminum.

7. The wireless adapter of claim 1, wherein the metal case includes metalized plastic.

8. The wireless adapter of claim 1, wherein the metal protective screen includes a stamped metal.

9. The wireless adapter of claim 1, wherein the metal protective screen includes a plastic coated with a conductive material.

10. The wireless adapter of claim 1, wherein the metal shield is in contact with the second end of the housing by means of spring-loaded pins.

11. The wireless adapter of claim 1, wherein the metal shield is in contact with the second end of the housing through the conductive elastomer gaskets.

12. Wireless adapter technological device that contains:
a metal body having a length and a radius;
the circuit Board inside the metal housing, and the printed circuit Board has a width and a length, the length of the PCB continues along the length of the metal housing, and the specified length of the PCB is larger than the width of the printed circuit Board while the circuit Board is made with the possibility of a communication connection with the processing device;
meth is lichecki protective screen forming a continuous conductive surface with metal housing and having a first side and a second side, while the circuit Board is located in close proximity to the first side; and
the antenna is electrically connected to the circuit Board through a hole in a metal protective screen, with the antenna located in close proximity to the second side of the metal shield, the antenna is configured to wirelessly transmit data to the wireless receiver and the wireless receiving data from the wireless receiver.

13. Wireless adapter indicated in paragraph 12, in which the antenna is flexible retractable whip antenna.

14. Wireless adapter indicated in paragraph 12, in which the metal shield is part of the counterweight antenna.

15. Wireless adapter indicated in paragraph 12, in which the metal housing has a seal.

16. The wireless adapter on p.12, optionally containing a plot of the mechanical attachment made by attaching to the pipe technological devices.

17. Wireless adapter according to clause 16, in which the area of mechanical joining includes a threaded surface.



 

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1 dwg

FIELD: automatics and computer science, possible use for developing solutions for tasks for controlling modes of expansive electric energy based systems.

SUBSTANCE: in control system consisting of several sub-systems, connected by means of communication with computer machine, and optimization module connected thereto, computer machine is selected as computer machine of upper level, and each subsystem is provided with computing machine of lower level, herein optimization module and block for calculating functional characteristics of current subsystem are realized, while system is also provided with means for upper level communication and means for lower level communication, computing machines of lower level through communication means of upper level are connected to computing machine of upper level and through communication means of lower level are connected to subsystems.

EFFECT: decreased total amount of information transferred while controlling modes of electric energy based systems, increased speed of operations.

4 cl, 2 dwg

FIELD: engineering of systems for automatic control over technological processes.

SUBSTANCE: in the method appropriate for invention at least one controlling computing machine is utilized and a certain amount of field devices, while status signals and control signals between at least a portion of field devices and controlling computing machine are transferred using TCP/IP protocol via communication channel, preferably for radio-communication and/or Internet. System for controlling process appropriate for invention has controlling computing machine with Web-server, computing machine of client with Internet browser, and also multiple indicators and positioning devices; system for controlling process is preferably services by means of Internet through personal computer of client.

EFFECT: improved universality of software used for servicing and observing.

2 cl, 3 dwg

FIELD: engineering of controlling and adjusting systems for controlling technological processes.

SUBSTANCE: complex contains workstations and servers based on personal electronic computer machines, connected as a local area Ethernet network, and also controllers and functional modules. Programmable logical integral circuits, built into each functional module, support programming of practically any algorithms for processing signals and control, adequate for tasks, assigned by engineer to current module. Three variants of system engineering are possible on basis of means included in complex: centralized control, local control, distributed control. In all three variants central microprocessor module controlled by software performs primary configuring of functional modules, information exchange, control and diagnostics of software and hardware means.

EFFECT: expanded functional capabilities, increased reliability, improved maintainability.

14 cl, 19 dwg

FIELD: computer systems engineering, welding systems, possible use for providing welding architecture to make possible interactive realization of remote configuration, monitoring, control and business operations in distributed environment, wherein welding processes are performed.

SUBSTANCE: system includes at least one welding device, operatively connected to network server, network interface and network for exchanging data with at least one remote system. Remote system includes at least one remote interface for exchanging data with network architecture. Remote system is made with possible request of at least one HTTP socket for setting up connection to welding device through network, loading at least one application from welding device and communication with at least one welding application socket through at least one application for exchanging information between welding device and remote system. At least one appropriate includes at least one of components: welding configuration component, welding monitoring component and welding control component. Method for provision of distributed welding architecture includes stages, at which: welding device is connected to network interface. For setting up network connection through network interface to remote system, at least one socket is used: HTTP socket or welding application socket, where HTTP socket is used for exchanging data with remote systems. Structure of data, providing welding protocol, includes at least one of following fields: field of options/flags, field of order of messages, message status field, data length field, data field, server commands field, server command identifier field, server command arguments field, machine field, machine address field, field of identifier of method/property and field for arguments of method/property.

EFFECT: decreased time and labor costs related to technical maintenance and adjustment of multiple welding devices and systems.

6 cl, 22 dwg

FIELD: connecting controller may be used in gas transportation systems.

SUBSTANCE: connecting controller contains electric interconnection, which connects a set of input ports to processor and memory. In accordance to invention, marked data may be grouped in time and space by means of central computer using attributes. Processor may utilize aforementioned data to constantly monitor, determine parameters and control the whole gas transportation system.

EFFECT: controller precisely distributes system events in time and space, using marked data for this purpose, resulting in increased efficiency of system, control over repairing of breakdown, capacity for planning of advance technical maintenance and routine maintenance.

5 cl, 6 dwg

FIELD: electrical communication networks, radio technique, computing technique.

SUBSTANCE: apparatus for controlling system of objects includes power conductor connected to autonomous electric power source; adapters connected between power conductor and objects. Adapters forming together with objects control circuits are programmed for setting timing of data receiving. Power conductor serves simultaneously for transmitting data. Adapters are made with possibility of taking noises into account. Adapter connected between power conductor and autonomous electric power source is made with possibility of simultaneous transmission of data between all other adapters while taking into account time moments of noise occurring and with possibility of regulating voltage of electric power source. Adapter for such apparatus is also offered in description of invention.

EFFECT: improved quality of control process.

2 cl, 7 dwg

FIELD: the invention refers to automated control systems.

SUBSTANCE: it may be used for management of industrial-technological processes of an enterprise of gas and oil industry with controlling inputs at the place of their origin. The invention allows to control the industrial-technological process at each management level together with industrial-technological indexes and control the values of evaluations of indexes of effectiveness which so, as the industrial-technological indexes are compared with permissible borders.

EFFECT: increases effectiveness of management due to operative local response at effectiveness reduction on a part of the industrial-technological process of the enterprise.

1 dwg

FIELD: method and system for computerized preparation of parts in elevator engineering.

SUBSTANCE: method includes storing information which is important for logistics in control list of database in form of data about parts required in elevator engineering, parts being prepared are fitted with readable and recordable carrier of information with data memory, these parts are prepared, information which is important for logistics is recorded by means of a computer into memory of information carriers, prepared parts are delivered to the construction site, at the construction site the information important for logistics is read from the memory of information carrier, the information is checked by means of a computer and delivered parts are placed at specified distribution stations using read logistics information. The system contains a database, a reading/recording device, an information carrier with data memory, a processing block.

EFFECT: expanded functional capabilities.

2 cl, 1 dwg

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