WO2009060000A1 - Utilisation d'un adaptateur sans fil par le biais d'un appareil de terrain relié à celui-ci - Google Patents

Utilisation d'un adaptateur sans fil par le biais d'un appareil de terrain relié à celui-ci Download PDF

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Publication number
WO2009060000A1
WO2009060000A1 PCT/EP2008/065003 EP2008065003W WO2009060000A1 WO 2009060000 A1 WO2009060000 A1 WO 2009060000A1 EP 2008065003 W EP2008065003 W EP 2008065003W WO 2009060000 A1 WO2009060000 A1 WO 2009060000A1
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WIPO (PCT)
Prior art keywords
wireless adapter
field device
operating
parameters
wireless
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
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PCT/EP2008/065003
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German (de)
English (en)
Inventor
Christian Seiler
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Endress and Hauser Process Solutions AG
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Endress and Hauser Process Solutions AG
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Publication of WO2009060000A1 publication Critical patent/WO2009060000A1/fr
Anticipated expiration legal-status Critical
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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Program control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0426—Programming the control sequence
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/23—Pc programming
    • G05B2219/23054—Simulate response on entered parameters and display, quicker response
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25187—Transmission of signals, medium, ultrasonic, radio
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/31—From computer integrated manufacturing till monitoring
    • G05B2219/31121—Fielddevice, field controller, interface connected to fieldbus

Definitions

  • the present invention relates to a method for operating a system comprising a field device of the process automation technology and a wireless adapter, according to the preamble of claim 1 and a field device of the process automation technology according to the preamble of claim 15.
  • field devices are often used which serve to detect and / or influence process variables.
  • Sensors such as level gauges, flowmeters, pressure and temperature measuring devices, pH redox potential measuring devices, conductivity meters, etc., which record the respective process variables level, flow, pressure, temperature, pH or conductivity, are used to record process variables .
  • actuators such as valves or pumps, via which the flow of a liquid in a pipeline section or the level can be changed in a container.
  • field devices are all devices that are used close to the process and that provide or process process-relevant information. A large number of such field devices are manufactured and sold by Endress + Hauser.
  • the higher-level units are control systems or control units, such as PLC (Programmable Logic Controller) or PLC (Programmable Logic Controller).
  • the higher-level units serve, among other things, for process control, process visualization, process monitoring and commissioning of the field devices.
  • the measured values acquired by the field devices, in particular by sensors, are transmitted via the respective bus system to one (or possibly several) higher-level unit (s).
  • a wireless (wireless) data transmission Especially in the bus systems Profibus®, Foundation® Fieldbus and HART® wireless data transmission via radio is specified.
  • radio networks for sensors are further specified in the IEEE 802.15.4 standard.
  • newer field devices, in particular sensors and actuators are partly designed as radio field devices. These generally have a radio unit and a power source, by means of which a self-sufficient power supply of the field device is made possible, as an integral component.
  • a wireless adapter which has a radio unit to upgrade to a radio field device.
  • a wireless adpater is therefore a unit by means of which a "conventional" field device, which is designed only for a wired connection to a fieldbus, can be expanded to a radio field device
  • the wireless adapter is connected to a communication interface, in particular to a fieldbus communication interface, of the field device, whereby the connection between the wireless adapter and the field device is usually solvable
  • Fieldbus communication interface the field device to send the data to be transmitted via the bus system to the wireless adapter, which then transmits them via radio to the destination.
  • the wireless adapter can receive data via radio and forward it to the field device via the fieldbus communication interface.
  • the supply of the field device with electrical power is usually via a power source of the wireless adapter.
  • a plurality of parameters is provided.
  • Parameters of a field device are, for example, a measuring range, limit values, units, etc.
  • parameters are also provided in a wireless adapter.
  • Parameters of the wireless adapter include, for example, parameters related to operation of the wireless adapter in a wireless network, such as a network key or network ID.
  • parameters are generally provided in a wireless adapter, which relate to the operation of the wireless adapter in combination with the field device connected thereto, such as a minimum power supply of the field device or a "duty cycle rate" indicating at what intervals
  • a wireless adapter can record values such as the signal quality of a received signal or other connection information to adjacent nodes of the wireless network are also generally referred to as parameters, in particular as detected parameters.
  • Field devices often have an integrated into the field device control unit, which allows, inter alia, the setting of parameters that are provided in the field device, directly at the site of the field device concerned.
  • the operating unit is designed as a display and operating unit and, in addition to a manual input device, such as a keypad, also comprises a display unit, which may be e.g. the input of parameters via the operating unit by a corresponding graphically displayed menu facilitates.
  • parameters such as, for example, the currently set parameters and / or the parameters (or values) detected by the field device, such as measured values, may be displayed on the display unit.
  • an operating program (operating tool) is generally provided in the higher-level unit (for example, FieldCare® from Endress + Hauser), which as a rule provides a graphical user interface.
  • the currently set and / or detected parameters can generally be displayed on a display of the higher-level unit via such an operating program, and it is possible to set parameters of the field device.
  • the higher-level unit can be connected directly to the fieldbus to which the relevant field device is connected, or to a higher-level communication network.
  • parameters of a field device can also by an operating device, such as by a portable personal computer (laptop), a portable handheld device (handheld), a PDA (English: Personal Digital Assistant), etc ., on which an operating program (operating tool) is implemented, are set. Furthermore, the respective currently set and / or detected parameters can be displayed on a display of the operating device via the operating program.
  • the HMI device can communicate with the field device via the fieldbus, to which the field device to be parameterized is connected, or directly via a corresponding service interface provided on the field device.
  • An operating program implemented in a higher-level unit or in a HMI device often provides more display options, status displays and evaluation options than can be operated directly via the field device via an HMI device.
  • the object of the present invention is to provide a method for operating a system with a field device and a wireless adapter, which is connected to a communication interface of the field device, through which an effective and time-saving operation of the system, in particular the wireless Adapters, is enabled.
  • the object is achieved by a method according to claim 1, by a use according to claim 14 and by a field device according to claim 15.
  • Advantageous developments of the invention are specified in the subclaims.
  • a method of operating a system comprising a field device of process automation technology and a wireless adapter.
  • the wireless adapter is connected to a communication interface of the field device.
  • the method comprises the following step: operating the wireless adapter, in particular displaying and / or setting at least one parameter of the wireless adapter, via the field device.
  • the wireless adapter is preferably detachably connected to the field device.
  • the operation of the wireless adapter preferably comprises operating at least one parameter of the wireless adapter, such as displaying and / or setting at least one parameter of the wireless adapter.
  • "operating” may also include controlling other functionalities of the wireless adapter via the field device, such as turning on or turning off the wireless adapter, driving certain functionality or operation of the wireless adapter, etc.
  • a "Parameter” is both an adjustable, in particular a changeable, activatable and / or deactivatable parameter, a parameter recorded in the wireless adapter and a parameter that is fixed by the manufacturer and can not be changed.
  • Wireless adapters via the field device it is not necessary that a separate service interface for connecting an operating device and / or a display and control unit is provided on the wireless adapter. Rather, the facilities required for the operation, which are provided on the field device, such as a service interface and / or a display and / or operating unit, can also be used for operating the wireless adapter. This saves manufacturing costs for the wireless adapter and the power consumption and space requirements of the wireless adapter are reduced. Further, a user can make the operation of the field device and the wireless adapter together via the field device, so that the operation for the user is easy and time-saving. [0017] According to an advantageous embodiment, the
  • Communication interface designed as a fieldbus communication interface and communication over it is preferably carried out according to the respective fieldbus protocol.
  • a standardized fieldbus system such as, for example, Profibus® (see Profibus Profile Specification, Version 3.0) or Foundation® Fieldbus (cf., Foundation® Specification, Function Block Application Process, Revision FS 1.7), is suitable
  • Fieldbus communication interface according to the HART® standard (see “HART® Field Communication Protocol Specifications, Revision 7.0", available through the HART® Communication Foundation) is preferred due to the frequent use of this fieldbus system in that the field device is designed as a 2-conductor device, which means that both the communication and the power supply of the field device take place via a common 2-conductor connection which is at least partially formed by the communication interface of the field device.
  • parameters or values detected by the wireless adapter such as, for example, the signal quality of a received signal or further connection information to adjacent nodes of the wireless network, can be displayed on the display unit.
  • At least one parameter of the wireless adapter is set via an operating unit of the field device. This makes it easy to set parameters on site. If the operating unit is designed as a combined display and operating unit, then, for example, a corresponding menu guidance can be provided on the display unit and the respective set parameters can be displayed.
  • the step of operating the wireless adapter from an operating unit, which is connected to a service interface of the field device is performed.
  • a service interface of the field device (and the corresponding operating device) is often designed such that a manufacturer-specific communication, i. not in accordance with a standardized fieldbus protocol.
  • CDI Common Data Interface
  • a user can be set in a simple manner on site, fixed by the manufacturer and / or captured parameters of the wireless adapter and set the parameters of the wireless adapter.
  • the need to provide a separate service interface and / or display and / or control unit on the wireless adapter for on-site service is eliminated.
  • the wireless adapter and the communication interface for an operation of the wireless adapter from a parent unit (with a corresponding operating program) via the (wireless) fieldbus, the wireless adapter and the communication interface with the field device.
  • the wireless adapter and the communication interface for operation of the wireless adapter from an operating device (with a corresponding operating program) are communicated to the field device via a corresponding interface to the (wireless) fieldbus, via the fieldbus, the wireless adapter and the communication interface.
  • the wireless adapter and the communication interface for the information received via the fieldbus and to be sent with respect to the operation only a transparent communication channel, that is, the information is simply forwarded to this, without being processed in the wireless adapter.
  • the information obtained via the fieldbus is processed in the field device and the field device then performs an operation of the wireless adapter in dependence on the information obtained via the fieldbus.
  • a telegrams are sent from the field device via the communication interface to the wireless adapter.
  • the wireless adapter a master and the field device a slave.
  • the wireless adapter is usually a master and the field device is a slave, so that communication via the communication interface is usually initiated by the wireless adapter.
  • a corresponding telegram with the at least one parameter to be displayed can be sent from the wireless adapter to the field device.
  • a corresponding command which may be a predefined in the respective bus system or a manufacturer-specific command, is used by indicating that the corresponding at least one parameter contained in the telegram is to be displayed.
  • Field device and the wireless adapter of the wireless adapter a master and the field device is a slave, wherein for operating the wireless adapter via a control unit of the field device, a corresponding telegram can be initiated and sent from the field device to the wireless adapter.
  • a corresponding telegram can be initiated and sent from the field device to the wireless adapter.
  • the telegram may contain a corresponding read request for this parameter and / or for setting a parameter a corresponding write request, in particular for displaying a parameter.
  • the telegram is preferably designed in the form of a burst telegram according to the HART® standard.
  • Such a burst telegram can also be sent by a slave (here: the field device), which is then usually in a burst mode, without being requested to do so by the master.
  • the burst telegram is not sent cyclically or continuously by the slave, but the transmission is initiated or triggered by the operating unit of the field device.
  • the user selects a parameter to be read and / or written by operating the operating unit, and the burst telegram then contains a corresponding read and / or write request with respect to this selected parameter.
  • the burst telegram may in particular have a manufacturer-specific command.
  • the field device in a master mode and the wireless adapter in a slave mode switchable.
  • the possibility can be provided in a simple way that during this period of time a communication between Field device and wireless adapter can be initiated by the field device.
  • the communication interface is designed according to the HART® standard.
  • the switching to this mode is triggered via an operating unit of the field device, if the operation is carried out from the operating unit, or triggered via a connected to a service interface of the field device operating device, if the operation is done from the operating device.
  • an operating program for the wireless adapter is implemented on the field device and the step of operating the wireless adapter can be carried out by the user via the operating program, in particular by actuating a display and operating unit of the field device.
  • This development is particularly advantageous in combination with the development explained in the paragraph above, according to which the field device can be switched to a master mode at least temporarily.
  • a corresponding user interface and menu guidance for displaying and / or setting a parameter of the wireless adapter is provided for the user by the field device, so that an operation of the wireless adapter can be carried out in a convenient manner.
  • an operating program is particularly advantageous in the case of "intelligent" field devices with sufficient processor and memory performance
  • the processor processor and processor are generally much higher Memory performance of such a HMI device or such a higher-level unit is preferred if a service program for the wireless adapter is implemented in the HMI device or in the higher-level unit
  • the HMI program due to the higher available processor and memory performance compared to a
  • the operating program implemented in the field device also has more display options, status displays and Provide evaluation options.
  • an operating program simulated by the operation of the wireless adapter, in particular the setting of at least one parameter of the wireless adapter, offline is simulated, the offline set Data, in particular the at least one offline set parameters are stored in a memory of the field device.
  • “Offline” means that there is no communication with the wireless adapter during this "offline” simulation. Consequently, the simulation can be performed even if the wireless adapter is not yet connected to the field device.
  • the simulated operation of the wireless adapter is performed, for example, only on the user interface, which is provided by the simulated in the field device operating program.
  • such offline set data can already be stored by the manufacturer of the field device in the memory of the field device. Due to the possibility of a staggered transmission of the offline set data, the wireless adapter can remain for the time being with its previous parameters and settings in operation. Similar to the development explained above, if the operation of the wireless adapter is carried out by an operating device or by a higher-level unit, then due to the generally significantly higher processor and memory performance of such an operating device or such a higher-order unit, when a control program for the wireless adapter in the HMI device or in the higher-level unit is simulated. The data set offline in the higher-level unit or in the operating unit can nevertheless be stored in a memory of the field device.
  • Parameters of the wireless adapter especially those for the operation of the Wireless Adapters parameters stored in the field device (or stored), wherein at the step of operating the wireless adapter at least part of these stored parameters are sent to the wireless adapter. Sending at least a portion of these stored parameters to the wireless adapter can be done both at the initiative of the field device and at the initiative of the wireless adapter.
  • One advantage of this development is that the field device does not have to have high processor and memory performance for its implementation. Also, no complicated software changes the device software previous field devices are required for the realization of this development, since the stored in the field device parameters can be stored, for example, as a separate menu item under the previous parameters of the field device.
  • the wireless adapter is preferably started with preset parameters. This is particularly relevant if the field device is supplied with electrical power by the wireless adapter and thus a transmission of the parameters stored in the field device to the wireless adapter is not yet possible directly at the time of startup. By starting in such a compatibility mode with preset parameters, it can be ensured, for example, that the wireless adapter can already communicate with the connected field device.
  • the step of operating the wireless adapter is preferably carried out.
  • the parameters stored in the field device can be transmitted from the field device to the wireless adapter, so that in the wireless adapter optimal settings of the parameters in relation to the operation in combination with the connected field device and in relation to the operation in the relevant (wireless) network can be made.
  • a change of a parameter of the wireless adapter takes place in that first the parameter stored in the field device is changed and subsequently the changed parameter is sent from the field device to the wireless adapter.
  • the transmission of the changed parameters can in turn be initiated by the field device or by the wireless adapter.
  • a change of the parameters stored in the field device of the wireless adapter can be done in the same manner as the change of parameters of the field device.
  • a change can be made via the (wireless) fieldbus from a higher-level unit or an operator panel, from an operator panel connected to a service interface of the field device, or from an operator panel on the field device itself.
  • a use of a field device of the process automation technology for operating a wireless adapter, in particular for displaying and / or setting at least one parameter of the wireless adapter is further provided, wherein the wireless adapter is connected to a communication interface of the field device.
  • a field device of process automation technology is provided with a communication interface, in particular a fieldbus communication interface, to which a wireless adapter can be connected, wherein in the field device parameters of the wireless adapter to be connected, in particular those for the operation of the wireless adapter in combination with the relevant field device necessary parameters are stored.
  • Fig. 1 a schematic representation of a radio network with multiple field devices
  • FIG. 2 shows a block diagram of a field device and a connected wireless adapter
  • FIG. 3 is a block diagram of the field device shown in FIG. 2 and FIG.
  • Wireless Adapters where an HMI device is connected to a service interface of the field device.
  • a radio network with multiple field devices F1, F2, ..., F6, which are each designed as radio field devices, and a gateway G is shown.
  • the field devices F1, F2,..., F6 are in radio communication with each other and with the gateway G, which is shown in FIG. 1 by the dashed lines. Because the field devices F1, F2,..., F6 and the gateway G are in each case connected via a plurality of radio links FV, the communication via one of the other radio links FV can be maintained even if one of the radio links FV fails.
  • Frequency hopping spread spectrum (FHSS) or direct sequence spread spectrum (DSSS) methods are suitable as radio transmission technologies for the radio links FV. Due to the required low transmission power is also the
  • the gateway G may be a remote transmission unit, eg the product Fieldgate of the company Endress + Hauser.
  • the gateway G can communicate worldwide with, for example, via the Internet, GSM or landline with a higher-level unit.
  • a (not shown) higher-level unit and / or a (not shown) operating device can also directly via a corresponding radio link with Communicate the illustrated wireless network.
  • a conventionally trained field device 2 and an attached wireless adapter 4 are shown schematically.
  • the field device 2 By connecting the wireless adapter 4, the field device 2 to a radio field device, as shown for example in Fig. 1 by the field devices F1, F2, ... F6, be upgraded.
  • the field device 2 has a transducer 6 and a control unit, which is designed as a microprocessor 8 on.
  • the transducer 6 and the microprocessor s are in communication with each other.
  • the field device 2 has a wired HART® communication interface 10 that is connected to the microprocessor 8.
  • the HART® communication interface 10 is assigned a functional unit 12, which is formed by an ASIC (English: application specific integrated circuit) and which transmits and / or receives digital signals (corresponding to the HART®). Standard) via the HART® communication interface 10.
  • ASIC application specific integrated circuit
  • the field device 2 could alternatively be connected to the illustrated connection to the wireless adapter 4 to a wired HART® fieldbus system.
  • the field device 2 has a data memory 14 in which, inter alia, parameters of the field device 2 are stored (or stored). An access to the data memory 14 via the microprocessor s.
  • a display and control unit 16 is provided on the field device 2, which has a display unit 18 and an operating unit 20 in the form of a keypad and is in communication with the microprocessor s.
  • An operation of the field device 2 on site can also be carried out by a (not shown) operating device.
  • a service interface 22, which is in communication with the microprocessor s, is also provided on the field device 2.
  • the communication via the service interface 22 is manufacturer-specific, ie it does not take place according to a standardized fieldbus protocol.
  • the service interface 22 is in turn assigned a functional unit 24 in the form of an ASIC, by means of which the transmission and / or reception of digital signals (corresponding to the manufacturer-specific communication) is carried out via the service interface 22.
  • the wireless adapter 4 also has a control unit in the form of a microprocessor 26.
  • the microprocessor 26 is connected to a radio unit 28 comprising an RF chipset and an antenna 30.
  • the radio unit 28 is designed such that the wireless communication takes place in accordance with the HART® standard.
  • the microprocessor 26 is further connected to a data memory 32, in which inter alia parameters of the wireless adapter 4 are stored.
  • the wireless adapter 4 has a wired HART® communication interface 34, which in turn has a functional unit 36 that transmits and / or receives digital signals via the HART® communication interface 34 (according to the HART® Standard).
  • the functional unit 36 is again formed by an ASIC. In the arrangement shown in FIG.
  • the HART® communication interface 10 of the field device 2 and the HART® communication interface 34 of the wireless adapter 4 are connected to one another via a 2-conductor connection line 38. Through this connection, both the communication between the field device 2 and the wireless adapter 4 and the power supply of the field device 2 by the wireless adapter 4th
  • the wireless adapter 4 has a power source in the form of a battery 40 and a power supply 42 connected to the battery 40.
  • a power supply 42 the system components of the wireless adapter 4 (not shown power supply lines) and the system components of the field device 2 via the HART® communication interface 34, the 2-wire connection line 38, the HART® communication interface 10 and a connected power supply 44 of the field device 2 is supplied with electrical power.
  • a voltage transformation is performed in order for the respectively supplied system components and for the transmission of electrical power over the
  • the wireless adapter 4 is operated via the display and operating unit 16 of the field device.
  • the wireless adapter 4 is usually a master and the field device 2 is a slave. If a parameter of the wireless adapter 4 is to be displayed on the display unit 18 of the field device 2, then the wireless adapter 4 on its own initiative simply a corresponding message, which is constructed according to the HART® standard, on the
  • the telegram contains the parameter to be displayed and a corresponding command which indicates that the parameter contained in the telegram is to be displayed on the display unit 18 of the field device 2.
  • the command may in particular be a manufacturer-specific command, which is also implemented in the device software of the field device 2, so that it can be executed correctly by the field device 2.
  • the parameter to be displayed can be, for example, a value recorded in the wireless adapter 4, such as the signal quality of a received signal or more Connection information to neighboring nodes of the wireless network, act. Furthermore, for example, the current battery status of the battery 40 of the wireless adapter 4 can be displayed.
  • the operating unit 20 of the field device 2 there is also the possibility that via the operating unit 20 of the field device 2, and thus of the field device 2 from a communication with the wireless adapter 4 is initiated or triggered.
  • a user can select a desired operating procedure of the wireless adapter 4, in particular a parameter of the wireless adapter 4 to be read or a parameter to be written, via a corresponding menu guidance provided by the display and operating unit 16.
  • Such a selection option can be provided in particular and clearly displayed graphically if an operating program for the wireless adapter 4 is implemented on the field device 2.
  • the user can initiate the sending of a telegram corresponding to the selected operating procedure via the operating unit, in particular by pressing a corresponding key.
  • the telegram is again constructed in accordance with the HART® standard and has a command corresponding to the selected operating procedure, in particular a read or a write request of the selected parameter.
  • the telegram is preferably a burst telegram according to the HART® standard, which, however, is not sent cyclically or continuously, but is only sent when the transmission process is triggered via the operating unit 20 of the field device 2.
  • a response telegram is then sent back by the wireless adapter 4 in which, for example, a parameter requested in the read request is specified or in which it is confirmed that a parameter contained in the write request has been written into the wireless adapter 4.
  • a desired parameter of the wireless adapter 4 can be displayed on the display unit 18 of the field device 2. If the control unit has been used to set a parameter of the wireless adapter 4, that is, the telegram sent by the field device 2 contained a write request of this parameter, it can be displayed on receipt of the response message from the wireless adapter 4 on the display unit 18 of the field device 2 confirmation that the desired writing process of the parameter has been successfully performed.
  • These display options which can be provided after receiving the answer telegram, are particularly possible if an operating program for the wireless adapter 4 is implemented on the field device 2.
  • the field device 2 in the system of the Field device 2 and the wireless adapter 4 in a master mode and the wireless adapter 4 in a slave mode is switchable.
  • the switching to this mode and also the switching back can be done for example via the control unit 20 of the field device 2.
  • the field device 2 can send on its own initiative a HART® telegram which is in each case desired by a user.
  • a HART® telegram which is in each case desired by a user.
  • the selection of a desired operation of the user, the display of information after receiving a corresponding response message from the wireless adapter 4 and a corresponding menu can be provided in particular on the display and control unit 16, if on the field device 2, an operating program for the wireless Adapter 4 is implemented.
  • the respective, desired by a user operation in the Wireless adapter 4 in which in particular a parameter to be set of the wireless adapter 4 is written directly into the wireless adapter 4, can also be provided that - before operating the wireless adapter 4 - in the field device 2, an operating program is simulated.
  • the field device 2 has a special wireless adapter offline mode, which can be selected by the user. In this wireless adapter offline mode, the user can then perform operations, in particular the setting of a parameter of the wireless adapter 4, initially offline. This can for example already be done at a time when the wireless adapter 4 is not yet connected to the field device 2.
  • the simulated operating program preferably provides the user with the same user interface on the display and operating unit 16, which he would also be provided with an online operation.
  • the offline set data in particular the at least one offline set parameters, are stored in the data memory 14 of the field device 2.
  • this offline set data can be transferred to the wireless adapter 4, in particular, the offline set parameters can be written into the wireless adapter 4 and transferred to its data memory 32.
  • the transmission can either be triggered by the user or it can be done automatically when the wireless adapter 4 is connected to the field device 2.
  • the parameters to be set in the wireless adapter 4 may be, in particular, parameters relating to the operation of the wireless adapter 4 in a wireless network, such as a network key or a network ID (Network ID). These parameters can already be set in advance in the field device 2 Offline and then, when the wireless adapter 4 is connected to the field device 2, be transferred to this.
  • a network key or a network ID (Network ID).
  • Network ID Network ID
  • an operating device 46 which is designed as a HART® handheld, connected to the service interface 22 of the field device 2.
  • the operating device 46 has a display 48 and a keypad 50 for operating the operating device 46.
  • the operation of the wireless adapter 4 is not performed by the display and control unit 16 of the field device 2, as explained above with reference to FIG. 2, but it is from the HMI device 46 (via the field device 2).
  • the wireless adapter 4 In the operation of the wireless adapter 4 of the operating device 46 from the same variants, as they were explained above in an operation of the display and control unit 16, in a corresponding manner possible.
  • the wireless adapter 4 (master) on its own initiative a telegram that is constructed in accordance with the HART® standard, via the HART® communication interface 10 of the field device 2, via the field device 2 (slave) to the HMI device 46 to display a parameter of the wireless adapter 4 on the display 48 of the operating device 46.
  • the sending of a telegram preferably a burst telegram according to the HART® standard, from the field device 2 (slave) to the wireless adapter 4 by pressing the keypad 50 of the control unit 46 can be initiated.
  • the field device 2 in the system of the field device 2 and the wireless adapter 4 in a master mode and the wireless adapter 4 in a slave mode can be switched.
  • the switching to this mode and also the switching back can be done for example via the operating device 46.
  • an operating program is implemented on the field device 2 in the relevant variants.
  • an operating program for the wireless adapter 4 on the operating device 46 is simulated or implemented. If the operating program is simulated on the operating device 46, then the offline set data can still be stored in the data memory 14 of the field device 2 before they are transmitted to the wireless adapter 4. As has been explained in the introduction, it is also basically possible to operate the wireless adapter 4 from a higher-level unit (not shown) or from a control unit (not shown) connected to the wireless fieldbus. In this case, the required for the operation of communication from the parent unit or the HMI device via the wireless field bus to the wireless adapter 4.
  • the wireless adapter 4 In the wireless adapter 4, the information received is not processed, but they are directly on the HART® communication cut Point 10 of the field device 2 forwarded to the field device 2, ie the wireless adapter forms a transparent communication channel with respect to these telegrams. From the field device 2 can then be made an operation of the wireless adapter 4. For the response telegrams that are sent from the wireless adapter 4 to the field device 2, the above-explained communication path is then traversed in the reverse direction to the higher-level unit or the HMI device. As has already been explained with reference to FIG.
  • the parameters of the wireless adapter 4 is stored in the field device 2, in particular in the data memory 14 of the field device 2.
  • the parameters of the wireless adapter 4 which are necessary for the operation of the wireless adapter 4 and which are necessary in particular for the operation of the wireless adapter 4 in combination with the respective field device 2, are stored in the field device 2.
  • these parameters are available for the wireless adapter 4 directly after the wireless adapter 4 has been connected to the field device 2 (as soon as the field device 2 is sufficiently activated).
  • These parameters are, in particular, parameters that are necessary for the operation of the wireless adapter 4 in the relevant radio network, such as a network key or a network ID (network ID).
  • the parameters of the wireless adapter 4 stored in the field device 2 preferably have the parameters which are required for the operation of the wireless adapter 4 in combination with the field device 2.
  • These field device-specific parameters can be, for example, parameters relating to a clocked mode of operation of the field device 2 (duty cycle mode) in which the field device 2 is activated by the wireless adapter 4 only at the times at which it must take a measured value.
  • the parameters of the wireless adapter 4 stored in the field device 2 preferably have the parameters which relate to an operation of the wireless adapter 4 in the relevant radio network, such as parameters which indicate whether the wireless adapter 4 a End node without routing functionality or a routing node in the radio network forms, a setting of the radio transmission power, information regarding a priority of the transmitted data or a frequency band for the communication or an indication of unused frequency bands.
  • the parameters of the wireless adapter 4 stored in the field device 2 can also have only a part of the above-mentioned parameters and / or even further parameters.
  • the parameters of the wireless adapter 4 are stored in the wireless adapter 4, in particular in its data memory 32, which is a startup of the wireless adapter 4, enable communication of the wireless adapter 4 with the field device 2 and a power supply and a power-up of the field device 2.
  • the starting of the wireless adapter 4 in a compatibility mode which preferably supports various field device types, is thus made possible.
  • the step of operating the wireless adapter 4 is preferably carried out.
  • the parameters of the wireless adapter 4 stored in the field device 2 are transmitted to the wireless adapter 4 and stored in its data memory 32, so that the wireless adapter 4 can be operated with these parameters.
  • the transmission of the parameters from the wireless adapter 4, from the display and operating unit 16 of the field device 2, from one connected to the service interface 46 of the field device 2 Operating device 46 from or even initiated by a connected to the wireless field bus parent unit or from a connected to the wireless fieldbus control unit.
  • the parameters of the wireless adapter 4 stored in the field device 2 form part of the field device data or field device parameters, so that access to them, in particular the setting and / or display of these parameters, can take place in the same way as is possible for the field device data or field device parameters .
  • An access can, for example, from the display and control unit 16 of the field device 2, from a connected to the service interface 22 of the field device 2 HMI device 46, or, as indicated above, via the wireless field bus from a parent unit or a from the HMI device connected to the wireless fieldbus.
  • a separate menu item (“wireless adapter parameter") can also be provided in the device software of the field device 2.
  • a change of a parameter of the wireless adapter 4 takes place by first changing the parameter stored in the field device 2.
  • the access possibilities specified above are given
  • the modified parameter is then sent from the field device 2 to the wireless adapter 4.
  • This transmission of the changed parameter to the wireless adapter 4 can take place in particular according to the variants which are specified in the paragraph above for the transmission of the parameters after startup as with the upper 1b, an operation of the wireless adapter 4 can be carried out offline, ie the parameters of the wireless adapter 4 are initially only changed in the field device 2.
  • the offline data are then in turn transmitted to the wireless adapter 4 at a later time.
  • the present invention is not limited to the embodiments shown in the figures.
  • the under With reference to FIG. 2 explained embodiment, in which an operating program is simulated in the field device, also the possibility to start the wireless adapter first in a compatibility mode when commissioning the system of field device and wireless adapter and only then the offline set data from the field device to the wireless adapter, as explained in relation to the embodiment in which parameters of the wireless adapter are stored in the field device.
  • the various embodiments of the present invention can be implemented in conventional field devices in a simple manner by updating the device software of the relevant field device.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Testing And Monitoring For Control Systems (AREA)

Abstract

La présente invention concerne un procédé d'exploitation d'un système présentant un appareil de terrain (2) selon la technique d'automatisation des processus et un adaptateur sans fil (4) qui est relié à une interface de communication (10) de l'appareil de terrain (2). Le procédé comprend l'étape suivante : utilisation de l'adaptateur sans fil (4), en particulier affichage et/ou réglage d'au moins un paramètre de l'adaptateur sans fil (4), par l'intermédiaire de l'appareil de terrain (2).
PCT/EP2008/065003 2007-11-05 2008-11-05 Utilisation d'un adaptateur sans fil par le biais d'un appareil de terrain relié à celui-ci Ceased WO2009060000A1 (fr)

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DE102007053057.0 2007-11-05
DE200710053057 DE102007053057A1 (de) 2007-11-05 2007-11-05 Bedienung eines Wireless Adapters über ein daran angeschlossenes Feldgerät

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WO2009060000A1 true WO2009060000A1 (fr) 2009-05-14

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EP2530809A2 (fr) 2011-05-30 2012-12-05 Endress + Hauser Process Solutions AG Commutation d'alimentation électrique et procédé de préparation d'une tension d'alimentation
DE102011076708A1 (de) 2011-05-30 2012-12-06 Endress + Hauser Process Solutions Ag Funkeinheit mit einer Versorgungsschaltung zur Spannungsversorgung und Verfahren zum Betreiben einer solchen Funkeinheit
DE102012111018A1 (de) * 2012-11-15 2014-05-15 Systemplan GmbH Mehrkanaliges Messdatenerfassungsgerät
US8898498B2 (en) 2009-12-04 2014-11-25 Endress + Hauser Process Solutions Ag Method for optimizing parameter settings of energy supply parameters of a field device power supply module
CN104697557A (zh) * 2015-03-30 2015-06-10 南京大学 一种基于循环移频的新型botdr相干探测装置和方法

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DE102009047542A1 (de) * 2009-12-04 2011-06-09 Endress + Hauser Process Solutions Ag Verfahren zur Diagnose von fehlerhaften eingestellten Energieversorgungs-Parametern eines Feldgerät-Stromversorgungsmoduls
DE102010042717B4 (de) 2010-10-20 2021-12-23 Endress + Hauser Process Solutions Ag Anordnung umfassend eine erste und eine zweite Funkeinheit sowie ein Feldgerät und ein Verfahren zum Betreiben derselben
DE102011086630A1 (de) * 2011-11-18 2013-05-23 Endress + Hauser Wetzer Gmbh + Co. Kg Verfahren zum Bedienen eines Feldgerätes
DE102013106098A1 (de) * 2013-06-12 2014-12-18 Endress + Hauser Gmbh + Co. Kg Verfahren zur Parametrierung eines Feldgerätes

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WO2005103851A1 (fr) * 2004-04-23 2005-11-03 Endress+Hauser Process Solutions Ag Module radio pour appareils de terrain utilises en automatisation
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US8898498B2 (en) 2009-12-04 2014-11-25 Endress + Hauser Process Solutions Ag Method for optimizing parameter settings of energy supply parameters of a field device power supply module
EP2530809A2 (fr) 2011-05-30 2012-12-05 Endress + Hauser Process Solutions AG Commutation d'alimentation électrique et procédé de préparation d'une tension d'alimentation
DE102011076706A1 (de) 2011-05-30 2012-12-06 Endress + Hauser Process Solutions Ag Elektrische und/oder elektronische Versorgungsschaltung und Verfahren zum Bereitstellen einer Versorgungsspannung
DE102011076708A1 (de) 2011-05-30 2012-12-06 Endress + Hauser Process Solutions Ag Funkeinheit mit einer Versorgungsschaltung zur Spannungsversorgung und Verfahren zum Betreiben einer solchen Funkeinheit
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DE102012111018A1 (de) * 2012-11-15 2014-05-15 Systemplan GmbH Mehrkanaliges Messdatenerfassungsgerät
CN104697557A (zh) * 2015-03-30 2015-06-10 南京大学 一种基于循环移频的新型botdr相干探测装置和方法

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