Profibus-Funksystem viBLu 100 Master/Slave
Contents
1. Assignment of PB Address PB Addresses Load from module Save to module Load from module Save to module Please note that you must configure the diagnostic slave in the PLC too For more information about the diagnostic slave see Section 5 4 3 3 Information about address assignment For successful configuration of viBlu radio network a number of different addresses have to be assigned which are explained in more detail below MAC address The MAC address is an address defined once by the viBlu master You must notify a viBlu slave of this address so that it can log onto the viBlu master via radio Always make sure that the MAC addresses are identical to the master MAC address on all slaves 22 viBlu viBlu Address assignment in point to point connections Each radio station requires its own radio address for identification its station address To be able to communicate with other stations each station requires the station address of its communication partner this is its partner address If the radio link consists only of one viBlu master and one viBlu slave select the checkmark in front of PTP with this slave and enter different station addresses on the master and slave sides The partner address is automatically entered by RadioParam and can therefore not be edited Address assignment in point to multipoint connections In the case of a radio network with multiple viBlu slaves you mu2. elimo compatible with you 5 viBlu PROFIBUS Radio System 700 762 PFM11 700 761 PFM11 700 762 PFS11 700 761 PFS11 User Manual Edition 1 11 11 2009 HW1 amp FW1 and higher Order number of viBlu100 manual 900 761 PFx11 Order number of viBlu 200 manual 900 762 PFx11 Systeme Helmholz GmbH Hannberger Weg 2 91091 GroBenseebach Fon 49 9135 7380 0 e Fax 49 9135 7380 110 E Mail info helmholz de Internet www helmholz de All rights are reserved including those of translation reprinting and reproduction of this manual or parts thereof No part of this manual may be reproduced processed copied or transmitted in any way whatsoever photocopy microfilm or other method without the express written permission of Systeme Helmholz GmbH not even for use as training material or using electronic systems All rights reserved in the case of a patent grant or registration of a utility model or design Copyright 2009 by Systeme Helmholz GmbH Hannberger Weg 2 91091 Grossenseebach Germany Note We have checked the content of this manual for conformity with the hardware and software described Nevertheless because deviations cannot be ruled out we cannot accept any liability for complete conformity The information in this manual is regularly updated When using purchased products please heed the latest version of the manual which can be viewed in the Internet at www helmholz de from where it can also
3. gt m aAa emaga e CHANGEME Y Computer s Disk drives Display adapters b DVD CD ROM drives Floppy disk controllers A Floppy disk drives IDE ATAJATAPI controllers I Keyboards Monitors 3 Mice and other pointing devices 8 Network adapters De el ed ee ae ee ov Ports COM amp LPT I Communications Port COM1 Communications Port COM2 ay ECP Printer Port LPT1 BeProfibus Funkmodul Serial Port COMS MB Processors Sound video and game controllers Universal Serial Bus controllers viBlu 2 System devices 19 4 3 Configuration of the modules To be able to transmit PROFIBUS by radio the radio master and radio slave must be informed of each other s existence Initial configuration of a pair of communicating radio stations is best performed as follows The first connect a 24V power supply to the viBlu master Connect the viBlu master to the PC via USB and then start RadioParam In the software select the appropriate COM port The user interface of the software is divided into two parts for separate configuration of the master and slave On the left hand side you can parameterize the radio master and on the right hand side the radio slave Click the Load from module button on the master side The current configuration of the
4. Connection Baud rates Number of DP Slaves Protocols Power supply Voltage Current consumpt Connection USB 1 1 Fullspeed 12MBps USB B RP SMA female connector max 7OOKBps SUB D female connector 9 way 9 6 kBps 187 5 kBps 1 DPv0 and DPv1 24V DC external 18 30 V DC 100mA typ max Screw connector supplied Degree of protection IP20 Temperature Operation Transp and storage Special features Quality assurance Maintenance 0 C 60 C 25 C 60 C According to ISO 9001 2008 Maintenance free no battery rechargeable or non rechargeable viBlu 7 2 Technical data viBlu 200 Order numbers Master 700 762 PFM11 Slave 700 762 PFS11 Dimensions 130 x 68 x 30 mm LxWxH Weight Approx 170g Configuration interface Type USB 1 1 Transmission rate Fullspeed 12MBps Connector USB B Radio interface Antenna connection RP SMA female connector Baud rate max 700kBps PROFIBUS Connection SUB D female connector 9 way Baud rates 9 6 kBps 1 5 MBps Number of DP Slaves 3 Protocols DPvO and DPv1 Power supply Voltage 24V DC external 18 30 V DC Current consumpt 100mA typ max Connection Screw connector supplied Degree of protection IP20 Temperature Operation O C 60 C Transp and storage 25 C 60 C Special features Quality assurance According to ISO 9001 2008 Maintenance Maintenance free no battery rechargeable or non rechargeable viB
5. Only available with viBlu 200 modules 28 viBlu viBlu 5 6 6 Block 5 Number of retries because of RF disturbance Byte Meaning Value 0 Number of retries slave 1 0 255 1 Number of retries slave 2 0 255 2 Number of retries slave 3 0 255 Reserved 31 Checkback response of selected 5 diagnostic block Only available with viBlu 200 modules 5 6 7 Block 6 Number of retries on DP side Byte Meaning Value 0 Number of retries slave 1 DP 0 255 side 1 Number of retries slave 2 DP 0 255 side 2 Number of retries slave 3 DP 0 255 side Reserved 31 Checkback response of selected 6 diagnostic block Only available with viBlu 200 modules 5 6 8 Block 7 Average data transmission rate Byte Meaning Value 0 Average data transmission rate 0 255 telegrams second slave 1 1 Average data transmission rate 0 255 telegrams second slave 2 2 Average data transmission rate 0 255 telegrams second slave 3 Reserved 31 Checkback response of selected 7 diagnostic block Only available with viBlu 200 modules If the diagnostic blocks are read and switched over cyclically you must check byte 31 in the PLC to see whether it contains the number of the diagnostic block you require Depending on the data transmission rate and load several CPU cycles may pass before the right diagnostic block is received and displayed in the PLC 29
6. the FE connection of the viBlu device using a current probe If a high current is permanently flowing there electrical isolation should be implemented using a 100nF 230V X capacitor 6 3 Frequently asked questions The bus error LED on the viBlu master flashes although everything seems to be working fine on the PROFIBUS A DP slave address has been set in the PROFIBUS table in RadioParam that does not exist in the PROFIBUS network This can occur if the integrated diagnostic slave has been configured with the RadioParam in the viBlu master but not in the PLC If the viBlu master and viBlu slave are close together PROFIBUS works but as soon as the distance is increased the bus error LED starts flashing Make sure the antenna is firmly connected to the RP SMA connector on the device Increase the RF power in the radio master and slave in RadioParam Replace the antenna Oruse an antenna with a higher gain If these tips do not help contact our support either by phone or at support helmholz de If information about the viBlu device is also at hand manual please also send this information 31 32 7 Appendix 7 1 Technical data viBlu 100 Order numbers Dimensions Weight Master 700 761 PFM11 Slave 700 761 PFS11 130 x 68 x 30 mm LxWxH Approx 170g Configuration interface Type Transmission rate Connector Radio interface Antenna connection Baud rate PROFIBUS
7. 30 6 Information troubleshooting 6 1 Positioning and aligning the antenna To ensure optimum signal transmission even over large distances you should observe a few basic rules when setting up your antennas 1 Mounts the antennas in a high location all at the same height is possible 2 Mount the antennas in such a way that they are aligned parallel 3 Make sure that the antennas are within clear sight of each other if possible 4 Always mount the antennas outside the cabinet Keep the antennas away from heavy current circuits carrying several amps for example converters and motors 6 2 Improving noise immunity Disturbance voltages and currents can enter the device by injection via each cable connected to a device and even via connectors The most important types of interference injection at electrostatic discharges ESD for example due to touching capacitive coupling for example crosstalk between parallel conductors inductive coupling for example due to loops and galvanic disturbances for example due to common ground in different circuits In an environment subject to EMC disturbance interference injection can never be presented entirely but it can be minimized if certain measures are taken The following subsections are intended to explain a few basic rules by which you can greatly improve the noise immunity of the viBlu system Grounding To conduct away injected interference voltages via the shielding of
8. be downloaded Our customers are important to us We are always glad to receive suggestions for improvement and ideas Step and SIMATIC are registered trademarks of SIEMENS Revision history of this document Edition Date Revision 1 1st version 1 1 1 2 1 3 1 4 1 5 2 1 2 2 2 3 3 1 3 2 3 3 3 4 3 5 3 6 3 6 1 3 6 2 3 6 3 4 1 4 2 4 3 4 3 1 4 3 2 4 3 3 4 3 4 4 4 4 4 1 Contents Safety Information General Restriction of access Information for the user Use as intended Avoiding use not as intended Installation and Mounting Mounting orientation Minimum clearance Mounting using a DIN rail adapter System Overview Radio transmission Application and function description Connections LED displays Items supplied Accessories Manual Antenna technology Other accessories Configuration of the radio modules Overview Installation of the USB interface driver Configuration of the modules Excluding WLAN Diagnostic slave Information about address assignment Saving and loading configurations Enhancing operating and system reliability Avoiding a system stop o o ON N o oO O 10 11 11 12 13 13 13 13 13 14 14 15 15 15 20 21 22 22 23 24 viBlu 4 4 2 Implementing error detection 5 Diagnostic slave 5 1 Overview 5 2 Inclusion in the GSD file 5 3 Configuration of the viBlu diagnostic slaves 5 4 How it wo
9. communication will not be possible If you replace a slave it is only necessary to transfer the configuration of this slave into the slave Other existing modules are not affected because they already know the MAC address of the master 4 4 Enhancing operating and system reliability Because interferences of a natural or artificial nature can disturb the radio path it is advisable to take certain security measures to detect failure or disturbance of radio communication and to avoid this resulting in failure of the automation system 23 24 4 4 1 Avoiding a system stop By integrating error OBs for example it is possible to indicate and respond to errors in the PROFIBUS communication in a Siemens PLC Just inserting the empty OB 86 module failure prevents the automation system from entering the STOP state as a result of transient disturbances in PROFIBUS communication However it is possible to store a program in OB 86 that for example outputs a warning if the failed I Os do not resume operation immediately For statistical purposes it is possible to integrate an error counter too as described in the next section 4 4 2 Implementing error detection The simplest type of error diagnostics is demonstrated by the example of the module failure OB OB 86 If transient disturbances occur in the PROFIBUS communication OB 86 is called disturbance occurred Once the disturbance has been eliminated radio link is not longe
10. the cable or a connector you should connect the FE connection of a viBlu device through a low resistance contact using the shortest and thickest possible copper conductor with the cabinet ground of your equipment Shielding Always use shielded cable with the highest possible shield density for interfaces with high data transmission rates for example PROFIBUS In the case of PROFIBUS always connect to the shield at both ends of the PROFIBUS cable Cable laying Lay the data cables and power cables separately with a distance of at least 20 cm between them and if possible in different cable ducts viBlu viBlu Preventing unwanted antennas Interference voltages can also be injected via unused cable conductors Therefore route unused cable conductors to cabinet ground at both ends Using metal bus connectors Use metal connector shells for bus cables and connect these to the cable shield PE conductor Connect the PE conductors of the individual devices in your system to the equipotential bonding terminal in a star topology Neutralizing interference sources Make sure that electronic components that have been identified as potential sources of interference are mounted in a metal housing In that case interference cannot exit the housing and disturb other devices Avoiding equalizing currents Avoid equalization currents flowing via the FE connection through the viBlu device For this purpose measure the current at
11. viBlu master is loaded and entered into the fields on the left hand side The master side of the user interface then looks like this RadioParam v1 00 Eile Communication Help Language D g ag sH H COM Port COM Funkmodul via USB Master Slave Master Software Version 11 0 Software Version Hardware Version 1A1 Hardware Version Serial number 0372548 Serial number MAC Address 001 2f309547c Master MAC Address not assigned Station Address 1 Station Address 0 Partner Address 2 Partner Address 1 Aktivate PB diagnostics PTP with this Slave v RF Power RF Power Exclusion of the WLAN Channels Exclusion of the WLAN Channels Exclusion of the WLAN Channels Profibus filter time 20 xO1s Assignment of PB Address PB Addresses Load from module Save to module Load from module Now enter the MAC address of the master in the Master MAC address field on the slave side Then assign a radio address in the range 1 to 99 in the station address field Check your address data before continuing The software supports you by showing implausible data in red For initial commissioning with only one viBlu master and one viBlu slave you should also check that the checkmark is activated next to PTP with this slave To minimize data traffic via this radio interface the PROFIBUS data are analyzed and filtered For this purpose it is necessary to define in a table which DP master is allowed to communicate with which DP sl
12. 5 Number of RF repeats How many telegrams the slave was unable to answer 6 7 Number of slave failures How many connection breaks Summator of all slave response 8 9 telegrams 10 23 Reserved 24 Transmission power 0 OdBm 17 17dBm 25 Station address 1 99 26 Partner address 0 99 27 Mode O Master 28 30 Reserved 31 Checkback response of selected 0 diagnostic block 27 5 6 2 Block 1 Slave addresses Byte Meaning Value 0 DP address slave 1 1 99 1 DP address slave 2 1 99 2 DP address slave 3 1 99 Reserved 31 Checkback response of selected 1 diagnostic block Only available with viBlu 200 modules 5 6 3 Block 2 State of PROFIBUS connections to slaves Byte Meaning Value 0 State of slave 1 0 10 5 data exchange 1 State of slave 2 0 10 2 State of slave 3 0 10 Reserved 31 Checkback response of selected 2 diagnostic block 5 6 4 Block 3 Response times of the slaves Byte Meaning Value 0 Response time slave 1 x 10ms 1 Response time slave 2 x 10ms 2 Response time slave 3 x 10ms Reserved 31 Checkback response of selected 3 diagnostic block Only available with viBlu 200 modules 5 6 5 Block 4 Number of RF repeat telegrams Byte Meaning Value 0 RF retries slave 1 0 255 1 RF retries slave 2 0 255 2 RF retries slave 3 0 255 Reserved 31 Checkback response of selected 4 diagnostic block
13. OFIBUS networks Depending on the application the configuring engineer user and installing technician must observe the standards safety and accident prevention rules applicable in the particular application The operator of the automation system is responsible for observing these rules 1 4 Use as intended The viBlu radio module must only be used as a communication system as described in the manual 1 5 Avoiding use not as intended Safety related functions must not be controlled via the viBlu radio system alone viBlu 2 Installation and Mounting Installation of the viBlu radio system must be effected in compliance with VDE 0100 IEC 364 Because it is an OPEN type device you must install it in a switching cabinet However please not that the antenna of the device must not be mounted inside the cabinet but outside Ambient temperature 0 C 60 C A Before you start installation work all system components must be disconnected from their power source A Danger of electric shock A During installation application specific safety and accident prevention rules must be observed 2 1 Mounting orientation The viBlu radio module can be installed in any orientation However please ensure that the antennas of the two communication stations have the same alignment 2 2 Minimum clearance Minimum clearances must be observed because e as from gt 10 cm between the viBlu radio module and operating personnel
14. US The data transmission can be established as a point to point connection between a radio master and a radio slave or as a point to multipoint connection between a radio master and multiple radio slaves With the viBlu 200 system up to 3 DP slaves are operated in a radio network with one viBlu master It is immaterial whether all three DP slaves are connected to a single viBlu slave or whether each DP slave depends on its own viBlu slave The maximum PROFIBUS transmission rate is 1 5 MBps The viBlu 100 system can only be operated with one DP slave in a radio network The maximum PROFIBUS transmission rate is 187 5 kBps viBlu viBlu The constant PROFIBUS transmission rate in both systems is 93 75 kBps at the slave end The viBlu master also offers the possibility of integrating a diagnostics slave into the PLC for diagnosing the radio link 3 3 Connections Each viBlu radio module has a 9 way SubD connector for the PROFIBUS a 24 volt power supply a RPSMA female connector for connecting a 2 4 GHz antenna and a USB connection for parameterization 3 4 LED displays The LEDs on the top of the device inform you about its operating status LED Bus Error red This LED displays a PROFIBUS error at the master end This LED is always off at the slave end LED Connect blue If this LED is on or flashing this indicates that a radio link has been established and Bluetooth telegrams can be exchanged LED Radi
15. agnostic slave in your PROFIBUS network under PROFIBUS DP Additional field devices General viBlu Move the viBlu_Diagnose 32 Byte In Out module to the first slot of the viBlu slave Assign a DP address for the diagnostic slave and then load the hardware configuration into your DP master If you do not want to use the diagnostic slave make sure you do not configure it in your PROFIBUS network Otherwise bus errors may occur because the DP master cannot find a DP slave viBlu 25 26 5 4 How it works The following diagram shows the principle of working with the diagnostic slave Byte 0 Byte 1 Byte 0 Byte 1 Byte 31 Step 1 The PLC selects one of the 8 possible diagnostic blocks Step 2 The diagnostic slave provides 32 bytes of diagnostic data in the output memory Step 3 The PLC imports the diagnostic block 5 5 Use in the PLC To be able to communicate with the diagnostic slave from the DP master as shown above you must use the both system functions SFC 14 DPRD_DAT for reading and SFC 15 DPWR_DAT for saving The diagnostic slave has a total of 8 blocks of 32 bytes of diagnostic data each You must first notify the diagnostic slave once of the block that you wish to read out using the SFC 15 In the example below the data set is transmitted to the diagnostic slave from data block DB1 as from data byte 0 The storage address of the diagnostic slave is 100 hex The er
16. ave via the radio interface Click the PB addresses button A window then opens with a table with 3 rows viBlu a For many I O data it may be necessary to increase the filter time The typical values are 100ms to 2s a The more WLAN channels you exclude the lower the data throughput because less bandwidth is available for Bluetooth viBlu EJ pB Addresses A 0 No Active Master_ Slave Depending on how many DP slaves up to 3 you want to connect activate the corresponding number of slaves in the Active column Please note don t activate more than one DP slave in the viBlue100 system Then enter the DP address of your PROFIBUS master at any position in the Master column In the Slave column you must enter the DP addresses of your PROFIBUS slaves that are connected to the viBlu slave It is immaterial whether you have connected multiple DP slaves to one viBlu slave or whether you have connected one DP slave each to multiple viBlu slaves To save the set configuration of the radio master click the Save in module button on the master side This updates the configuration of the device Connect to the viBlu slave to a 24V power supply Now connect the slave to the PC through a USB cable and select the appropriate COM port in RadioParam Check again that no fields are displayed red and then click the Save in module button on the slave side You can now connect the viBlu master t
17. for up to three channels and in the field that then appears entering one WLAN channel each in the range 1 to 13 The viBlu system no longer uses these channels and a WLAN will no longer interfere with the radio communication of the system 4 3 2 Diagnostic slave To be able to use the diagnostic slave functionality you must select Activate PB diagnostics in RadioParam Two fields appear in P iene meein In the Diagnosis address DP Master field enter the DP address if E the PROFIBUS masters for example a CPU and in the second in RadioParam the z UT diagnostic slave must field Diagnosis address DP Slave assign a DP address to the also be configured in the diagnostic slave In the DP master you can read the diagnostic PLC data via SFCs and then evaluate them RadioParam v1 00 File Communication Help Language D0 sag sH H COM Port COM21 Funkmodul via USB Master Slave Master Software Version 11 0 Software Version 11 0 Hardware Version 141 Hardware Version 001 041 Serial number 0372548 Serial number 0372535 MAC Address 001 2f309547c Master MAC Address 001 2 309547c Station Address 1 Station Address 2 Partner Address 2 Partner Address 1 vl Aktivate PB diagnostics Diagnosis Address DP master 3 PTP with this Slave Diagnosis Address DP slave 4 RF Power 7 RF Power Exclusion of the WLAN Channels Exclusion of the WLAN Channels Exclusion of the WLAN Channels Profibus filter time 20 xO1s
18. ion in question A During configuration safety and accident prevention rules specific to the application must be observed A Emergency OFF facilities according to EN 60204 IEC 204 must remain active in all modes of the machine system The system must not enter an undefined restart A Faults occurring in the machine system that can cause damage to property or injury to persons must be prevented by additional external equipment Such equipment must also ensure entry into a safe state in the event of a fault Such equipment includes electromechanical safety buttons mechanical interlocks etc see EN 954 1 risk assessment A Never execute or initiate safety related functions using the operator terminal Only authorized persons must have access to the radio modules 1 2 Restriction of access The radio modules are open equipment and must only be installed in electrical equipment rooms cabinets or housings Access to the electrical equipment rooms barriers or housings must only be possible using a tool or key and only permitted to personnel having received instruction or authorization See also Section 2 1 3 Information for the user This manual is addressed to anyone wishing to configure or install the viBlu radio module It is intended for use as a programming manual and reference work by the configuring engineer It provides the installing technician with all the necessary data The viBlu radio system is for use in PR
19. ivacy policy Can Windows connect to Windows Update to search for software Yes this time only C Yes now and every time connect a device en Click Next to continue lt Back Cancel e To be able to specify the search path for the driver generally the CD supplied it is necessary to make the following setting and confirm it with Next Hardware Update Wizard This wizard helps you install software for Profibus Funkmodul C If your hardware came with an installation CD QP or floppy disk insert it now What do you want the wizard to do Install the software automatically Recommended amp ii i Click Next to continue lt Back Cancel viBlu e The next step is a prompt to specify the location of the driver It is generally enough to set a checkmark next to Search removable media and then to click the Next button Hardware Update Wizard Please choose your search and installation options So es Search for the best driver in these locations Use the check boxes below to limit or expand the default search which includes local paths and removable media The best driver found will be installed IV Search removable media floppy CD ROM D viBL FTDI_DRIVE R_V 204 v C Don t search will choose the driver to install Browse Choose this option to select the device dri
20. lu 33 34 7 3 Pin assignment Pin SUBD connector PROFIBUS 1 2 3 B line D 4 5 Gnd 6 5V 7 8 A line D 9 Housing FE 7 4 Further documentation Internet http www profibus org viBlu viBlu Notes 35
21. not visual contact between the two radio stations for example because of interposed walls the range is considerably reduced A further factor is the radiation pattern of the antennas used the stronger the gain of an antenna the greater the directivity and the greater the possible transmission distance The viBlu system cannot be strictly assigned to any of these classes because the power can be set by the user up to 100 mW Please also note that Bluetooth devices rarely transmit constantly with their maximum transmission power because it is controlled automatically If less power is required the transmission power is automatically reduced A reduction in transmission power can make sense especially in halls with many reflections because the reflections are received with a small amplitude The advantage of Bluetooth radio solutions as compared with WLAN for example is the FHSS frequency hopping spread spectrum method used With this method transmission is not on a single channel but jumps between many channels according to a defined schedule This reduces the probability that transient narrow band interference can disturb the radio channel currently being used and allows use of alternative channels if interference last for a longer time The FHSS method spreads the useful signal spectrum and distributes the power in the frequency range In this way the useful signal can be hidden in the noise and recovered with the 11 12 h
22. o Login yellow If this LED is on the radio slave was unable to connect to the master end This can occur in particular if address assignment is wrong LED Transmission green If this LED is on PROFIBUS data are being transmitted by radio LED On green Indicates that the device is correctly supplied with power and that the operating system is running 3 5 Items supplied e viBlu 100 200 master or slave e Connector for the power supply e CD with RadioParam parameterization software 3 6 Accessories 3 6 1 Manual e viBlu 100 Manual German English 900 761 PFX11 e viBlu 200 Manual German English 900 762 PFX11 13 14 3 6 2 Antenna technology Magnetic foot antenna 5dBi Omnidirectional antenna 8dBi Directional antenna 8dBi Directional antenna 18dBi Other accessories Power supply adapter with plug DIN rail adapter 700 889 ANTO1 700 889 ANTO2 700 889 ANTO3 700 889 ANT0O4 on request 700 75 1 HSHO1 viBlu 4 Configuration of the radio modules 4 1 Overview Configuration of a viBlu radio network is performed on PCs using the RadioParam V1 software This software supplied with module and can alternatively be downloaded from www helmholz de The software is executable on any Windows 2000 XP computer RadioParam v1 00 File Communication Help Language D0 Hg sH H COM Port COM Funkmodul via USB Master Software Version Software Version Hardware Version Ha
23. o the DP master via PROFIBUS and connect the viBlu slave to the DP slave After that you can start the PLC If your settings are correct after several seconds all LEDs should light up or flash on the viBlu master and viBlu slave except for the bus error LED The viBlu system provides you with several possibilities of influencing the quality of the data transmission For example you can set the transmission power of the module in dBm in the RF power list At the highest setting 17 dBm the device transmits at maximum power Considering that an antenna with 3dBi is used the maximum power is approximately 100mW Moreover transient radio interference can be suppressed by specifying the PROFIBUS filter time If a slave is not accessible due to transient radio disturbances a bus error will not be signaled until after this time has elapsed The settable range is 0 0 1s to 255 0 1s 25 5s For commissioning a filter time between 1s and 2s is advisable After that the filter time can be reduced again If you want to use a diagnostic slave or want to exclude certain WLAN channels also make the settings described in the next two sections 4 3 1 Excluding WLAN Bluetooth and WLAN both work in the 2 4GHz ISM band A WLAN channel would interfere with about 20 of the 80 possible Bluetooth channels You can notify the radio system of up to three existing WLAN channels by selecting the checkmark 21 Exclusion of WLAN channels
24. op sequence that is only known to the receiver Bluetooth is therefore considered to be intrinsically very tap proof Like other solutions based on Bluetooth the viBlu radio system has the advantage of considerably better noise immunity from WLAN systems already installed which operate in a constant frequency band The modules can be notified of existing interfering WLAN channels and exclude them from the frequency hopping 3 2 Application and function description The viBlu radio system from Systeme Helmholz GmbH permits wireless transmission of PROFIBUS data It is ideal for PROFIBUS connections for which cable bound transmission is not possible for example rotating machine elements Nevertheless from the point of view of the PLC the PROFIBUS data are transmitted completely transparently like on a cable No configuration is required therefore in the PLC For successful PROFIBUS transmission by radio at least one radio master and one radio slave are required The radio master is connected to a PROFIBUS master and the radio slave to a PROFIBUS slave At the master end further cable bound PROFIBUS slaves can be connected without impairing the radio link The following diagram shows a possible configuration of a radio network with viBlu 200 radio modules PLC PROFIBUS Slave PROFIBUS Slave i i 3 lt PAS 153 viBlu 200 Slave gt 2 2 oy x s E gt nu e 3 a viBlu 200 Master PROFIB
25. r disturbed the error OB is run once more disturbance gone Error event detected gt increment error counter L OB86_EV_CLASS L B 16 39 JC M001 Error remedied gt BE or alternative code in M002 L OB86_EV_CLASS L B 16 38 JC M002 L QB O INC 1 T QB O BEU M002 BE If it is also to be recorded which station has failed and what type of error has caused this the variables 0B86_MDL_ADDR and OB86_Z23 must be evaluated viBlu 5 Diagnostic slave 5 1 Overview Every viBlu master includes a virtual diagnostics slave With this integrated diagnostic slave you can diagnose the radio interface to respond in your PLC to changing ambient conditions that influence the quality of radio transmission 5 2 Inclusion in the GSD file Before you can use the data of the diagnostic slave you must include the diagnostic slave in the PROFIBUS network The first step toward this is to include the GSD file supplied with the module once in Step 7 This is done as follows Copy the files viBlu GSD and viBlu bmp into the directory Step7 S7TMP Open the hardware configuration in the Simatic Manager Click Options on the menu bar Click the Install GSD files 5 3 Configuration of the viBlu diagnostic slaves To be able to use the diagnostic slave functionality you must configure the viBlu diagnostic slave in the PLC as follows Inthe hardware catalog you can now include the di
26. rdware Version Serial number Serial number MAC Address Master MAC Address not assigned Station Address Station Address 0 Partner Address Partner Address 1 Aktivate PB diagnostics PTP with this Slave v RF Power RF Power Exclusion of the WLAN Channels Exclusion of the WLAN Channels Exclusion of the WLAN Channels Profibus filter time 10 xO1s Assignment of PB Address PB Addresses Load from module Load from module The configuration of a radio module can be stored in a project file on the PC You can use a normal commercial type USB cable to link the PC to the viBlu radio module 4 2 Installation of the USB interface driver If this is the first time a viBlu radio module is being connected to the PC the operating system will try to install a suitable driver This driver provides the interface between the USB interface and the operating system Windows This initialization can take some time and goes through the following steps viBlu 15 16 e The operating system starts an installation wizard that performs the installation which is largely automatic In the first step you must enter whether the driver is to be searched for online or locally Hardware Update Wizard Welcome to the Hardware Update D Wizard Windows will search for current and updated software by looking on your computer on the hardware installation CD or on the Windows Update Web site with your permission Read our pr
27. rks 5 5 Use in the PLC 5 6 Description of the diagnostic blocks 5 6 1 Block 0 General diagnostic data 5 6 2 Block 1 Slave addresses 5 6 3 Block 2 State of PROFIBUS connections to slaves 5 6 4 Block 3 Response times of the slaves 5 6 5 Block 4 Number of RF repeat telegrams 5 6 6 Block 5 Number of retries because of RF disturbance 5 6 7 Block 6 Number of retries on DP side 5 6 8 Block 7 Average data transmission rate 6 Information troubleshooting 6 1 Positioning and aligning the antenna 6 2 Improving noise immunity 6 3 Frequently asked questions 7 Appendix 7 1 Technical data viBlu 100 7 2 Technical data viBlu 200 73 Pin assignment 7 4 Further documentation Notes 35 24 25 25 25 25 26 26 27 27 28 28 28 28 29 29 29 30 30 30 31 32 32 33 34 34 viBlu viBlu 1 Safety Information Please observe the safety information given for your own and other people s safety The safety information indicates possible hazards and provides information about how you can avoid hazardous situations The following symbols are used in this manual m Caution indicates hazards and sources of error m l Gives information A Hazard general or specific Danger of electric shock 1 1 General The viBlu radio module is only used as part of a complete system m The operator of a machine system is responsible for observing all safety and accident prevention regulations applicable to the applicat
28. ror code is stored in flag word 20 CALL DPWR_DAT LADDR W 16 100 RET_VAL M W20 RECORD P DB1 DBX0 0 BYTE 32 Byte 0 of the data set states which diagnostic block you want to read out subsequently that is 0 to 7 viBlu viBlu The diagnostic data partly consist of certain count values To reset these within the block you must set the LSB in byte 1 to 1 This can be done for example with the following commands L B 16 01 Loads value 1 into the register T DB1 DBB1 Transfers the register value to byte 1 DB1 SFC 15 must then be called again as shown above Even though only bytes 0 and 1 are decisive you must transfer 32 bytes for reasons of consistency You should set the unused 30 bytes to b 16 01 To read out the selected side of the diagnostic slave also memory address 100 hex you must use SFC 14 In the following example the received data are written in 32 flag bytes starting from flat byte 200 The error code is stored in flag word 22 CALL DPRD_DAT LADDR W 16 100 RET_VAL M W22 RECORD P M 20 0 BYTE 32 5 6 Description of the diagnostic blocks 5 6 1 Block 0 General diagnostic data Byte Meaning Value 1 1 5 MBd 2 500 kBd 3 187 5 kBd O andras 4 93 75 kBd 5 19 2 kBd 6 9 6 kBd 1 PROFIBUS filter time 1 255 100ms 25 5s Number of times the viBlu master 2 Power up counter has been powered up 3 Number of PROFIBUS errors 4
29. st first clear the checkmark from in front of PTP with this slave The partner address of the master is then automatically changed to broadcast address 0 and the slave side is extended to a total of three slaves To be able to use multiple slaves you must first activate the correct number of slaves by clicking on the tab for each slave and then selecting the checkmark in front of Activate this slave In all three slaves you must then assign a dedicated station address and enter the MAC address of the master Once you have completed configuration of the slaves you must connect one of the slaves with the PC select the tab of that slave and transfer its parameterization to the module by clicking Save in module Proceed in this way for all the remaining slaves that you want to use 4 3 4 Saving and loading configurations Once you have completed an entire configuration you can save it by clicking Save or Save as This is especially helpful if you want to replace a radio station in a radio network for example You can then load the configuration that is valid for this network by clicking Open which updates the station in question Please note that if you replace a viBlu master the new configuration must be transferred both into the master module and into each of the viBlu slave modules by clicking the Save in module button Otherwise the new MAC address of the master will not be known to these devices and
30. the health hazard due to exposure to radio waves is minimized e it provides space to insert and remove modules e it provides space to route cables e the mounting height of the radio module is increased to 35 mm The following diagram shows the minimum clearances between adjacent module subracks and to neighboring cabinet walls equipment cable ducts etc for the viBlu radio module viBlu 9 10 2 3 Mounting using a DIN rail adapter By using a DIN rail support Order No 700 751 HSH10 it is possible to mount the viBlu radio module on a DIN rail in a switching cabinet viBlu viBlu 3 System Overview 3 1 Radio transmission With the viBlu radio system a proprietary Bluetooth protocol is used for radio transmission in the license exempt 2 4 GHz ISM frequency band A basic distinction is made between three classes of Bluetooth systems class 1 class 2 and class 3 The communication process is identical in all three classes They only differ by their transmission powers The following table provides an overview of the class of a Bluetooth device and the possible range in unobstructed radio transmission Class Max transmission Range power Class 1 100 mW Approx 100 m Class 2 2 5 mW Approx 50 m Class 3 1 mW Approx 10 m The range data very much depend on external factors For example metal affects the range very strongly because it reflects electromagnetic waves If there is
31. ver from a list Windows does not guarantee that the driver you choose will be the best match for your hardware Ea e If the viBlu CD is in a local drive the search for the driver now begins e Ifa Windows XP compatibility query appears confirm with the button Continue installation The driver is then installed Hardware Update Wizard Please wait while the wizard installs the software So y lt Profibus Funkmodul Device ftd2xx dll To C AWINDOWS system32 viBlu 17 18 e After successful installation the operation is completed by clicking the Finish button Completing the Hardware Update Wizard The wizard has finished installing the software for lt Profibus Funkmodul Device Click Finish to close the wizard lt Back e The operating system starts the installation wizard a second time to install the virtual COM port driver too The installation steps are identical to the procedure described above Hardware Update Wizard Completing the Hardware Update Wizard The wizard has finished installing the software for F Profibus Funkmodul Serial Port Click Finish to close the wizard lt Back viBlu A new COM port has now been added in the device manager This COM port must be selected in the RadioParam software to be able to communicate with the viBlu radio module g Device Manager File LO x Action View Help
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