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Manual PROFIBUS Rail Repeater OZD Profi 12M G12 PRO - L-com

1. Du Channel 2 Channel 3 optical optical BFOC 2 5 BFOC 2 5 socket socket Fig 1 OZD Profi 12M PRO repeater showing the location of the LED indicators measuring sockets and the individual channels OZD Profi 12M PRO Version 1 0 05 08 1 Introduction Glass fiber technology The use of glass fiber transmission technology enables a very large transmission range and ensures optimal protection from EMC effects on the transmission path and due to the potential separation on the Repeater itself Power supply The power supply is 24 V direct current To improve the operating safety a redundant operating power supply consisting of two separate sources can be used For this purpose you must connect the two operating voltages to two different terminals of the 7 pin screw type terminal block Both connections are uncoupled by means of diodes to prevent reverse voltage supply or destruction through incorrect pole connection There is no load distribution between the sources With redundant supply the power supply unit with the higher output voltage must supply the repeater alone Signal contact A signal contact relay with unconnected contacts is used to signal various disruptions in the repeaters The signal contact is also connected to the 7 pin screw type terminal block Measuring output One measuring output is available for each optical chan nel at the 3 pin s
2. HIRSCHMANN A Belden Company Manual PROFIBUS Rail Repeater OZD Profi 12M G12 PRO ariei _ zu m OT Ises Hirschmann Simply a good Connection Order Numbers OZD Profi 12M P11 PRO 943 904 221 OZD Profi 12M P12 PRO 943 904 321 OZD Profi 12M G11 PRO 943 905 221 OZD Profi 12M G12 PRO 943 905 321 OZD Profi 12M G12 EEC PRO 943 907 321 OZD Profi 12M G11 1300 PRO 943 906 221 OZD Profi 12M G12 1300 PRO 943 906 321 OZD Profi 12M G12 1300 EEC PRO 943 908 321 Manual 039 690 001 PROFIBUS Rail Repeater OZD Profi 12M G12 PRO The performance features described here are binding only if they have been expressly agreed when the con tract was made We have checked the content of this document for consistency with the hardware and software it describes However inconsistencies cannot be ruled out and thus we cannot guarantee absolute consistency Nevertheless the information in the document is chek ked regularly Necessary corrections are contained in the following printings We are grateful for any suggested im provements Technical modifications reserved This document may not be passed on copied nor may its contents be used or distributed unless expressly per mitted Violators will be held liable for compensation All rights are reserved particularly if a patent is granted or the design is registered Hirschmann Automation and Control GmbH All Rights Reserved Note We wish to point
3. so that it does not signal a break in the fiber line Please note that optical channels which are not connec ted must always be fitted with protective caps to guard against extraneous light and dirt OZD Profi 12M PRO Version 1 0 05 08 3 Network Topologies 3 1 Line topology 3 1 2 Line topology without optical fiber link monitoring Use this operating mode if you connect a OZD Profi 12M PRO with another optical fiber network component which does not send a frame echo and does not expect or is not compatible with a frame echo in accordance with PROFIBUS guidelines optical electrical converter Monitoring mechanisms Send echo no Monitor echo no Suppress echo no Monitor no Segmentation no Individual fiber links are not monitored in this operating mode 3 2 Redundant ring Terminal unit s Terminal unit s Terminal unit s bus segment bus segment bus segment I ss OZD OZD OZD P12 PRO P12 PRO P12 PRO G12 1300 PRO G12 1300 PRO G12 1300 PRO d Ch 1 ch 1 on q Ch2 Ch3 Ch2 Ch3 Ch2 Ch3 Fig 3 Network structure in a redundant optical ring topology OZD Profi 12M PRO Version 1 0 05 08 15 3 Network Topologies 3 2 Redundant ring This network topology represents a special form of line topology A high degree of network operating safety is achieved by closing the optical line A redundant optical ring can
4. compatibility to OZD Profi P3a OZD Profi P4a OZD Profi G3a OZD Profi G4a OZD Profi G3a 1300 and OZD Profi G4a 1300 switched on The functional compatibility to OZD Profi repeaters so Reserved OZD Profi P3a P4a G3a G4a G3a 1300 and Si G4a 1300 is switched on with theDIL switch S7 1 This operating mode is required when operating this Mode Monitor Line Ring ON Line OFF repeater together with new devices Only turn switch S7 to Position 1 if the OZD Profi 12M s2 PRO is being used as a spare or expansion device in Redundancy OFF ON existing networks in conjunction with OZD Profi Pa Pda G3a G4a G3a 1300 and G4a 1300 and 3 S4 Reserved a direct optical connection is to be made 5 The following table shows the switch assignment of the Output Power CH 2 Standard High OZD Profi OZD Profi 12M PRO at S7 1 as a spare Se device for OZD Profi P3a P4a G3a G4a G3a 1300 and G4a 1300 Output Power CH 3 Standard High OZD Profi 12M PRO Version 1 0 05 08 27 4 Setting Up 4 6 Setting compatibility operating mode and transmitting powerpower 4 6 2 Setting the operating mode Achtung Die folgenden Angaben gelten nur fir die Defaultstellung von S7 S7 0 The DIL switch SO is used to set the operating mode of the electrical channel CH1 The DIL switches S1 and S2 are used to set the operating mode o
5. However it provides each optical channel with a voltage derived from the peak value of the optical Profibus telegram without disrupting the commu nication of data With regular bus operation this analog voltage can be used as an indicator for an alteration in optical attenuation Because data traffic and temperature can affect the voltage value you should not set any warning threshold too close to the actual value 4 12 Connecting the operating voltage supply Note The screw terminal block can be released from the device to connect the lines for the operating voltage supply Only supply the repeater with a stabilized safety extra low voltage SELV in accordance with IEC EN 60950 1 EN 61131 25 32 V maximum 24 V typ It is supplied via the 7 pin terminal block on the top of the repeater To improve the operating safety a redundant opera ting power supply consisting of separate sources can be used You can input the voltage supply in two ways terminal 24 V L1 of the terminal block terminal 24 V L2 of the terminal block The minus connection for each is indicated by 0 V The two voltages can have any values even different ones within the specified limits However there is no load distribution If necessary the power supply unit with the higher output voltage must supply the power alone 4 13 Checking the LED indicators There are LEDs on the front of the device for diagnostic purposes T
6. product label is marked accordingly The following information applies when operating this equipment in EX zone 2 ATEX 100a 3G EEx nL IIC TA Ta 70 C DEMKO 07 ATEX X IP20 Temperature Code T4 Standard types Ambient 0 60 C Standard types Ambient 20 60 C List of Standards EN 60079 15 2005 EN 60079 28 draft IEC 31 479 CD ISA 12 12 01 and CSA C22 2 No 213 M1987 CSA C22 2 Nr 142 M1987 and C22 2 No 213 M1987 OZD Profi 12M P PRO 10 mW max 660 nm OZD Profi 12M G PRO 10 mW max 820 nm OZD Profi 12M G 1300 PRO 10 mW max 1300 nm Optical power emission T Transient Voltage Protection 44 V max OZD Profi 12M PRO Version 1 0 05 08 DO NOT OPEN WHEN ENERGIZED 7 POLE CONNECTOR DO NOT SEPERATE WHEN ENERGIZED Installation instructions The OZD Profi 12M PRO repeaters must be mounted into a suitable ATEX certified IP 54 enclosure tested to 4 J impact due to low risk of mechanical danger Restrictions to the fault contacts of 7 pole connector for use in Hazardous Locations U lt 32V I lt 9 mA L lt 5mH C lt 200nF Between 0 V pin or fault pins of 7 pole connector and earth transient voltages greater than 44 V peak must be prevented e g by overvoltage limiters T or short circuits see pictures The pictures show two alternatives by external installation Max line length depending o
7. EEC Voltage power supply Operating voltage NEC Class 2 power source 18 32 VDC 24 VDC typ safety extra low voltage SELV PELV redundant inputs decoupled 5 A max buffer time min 10 ms at 24 VDC Current consumption for 18 VDC 195 mA for 32 VDC 130 mA Switched on peak value 220 mA max Power consumption 2 6 W Output voltage current for terminal resistors Pin 6 Sub D socket 5 VDC 5 10 90 mA short circuit proof Signaling contact Maximum switch voltage Maximum switch current Maximum switch capacity 60 VDC 42 VAC safety extra low voltage 1 0A 30 W ohmic load Signal transmission Transmission rate 9 6 19 2 45 45 93 75 187 5 500 kBit s 1 5 3 6 12 Mbit s Setting transmission rate automatic Bit error rate lt 10 Signal processing time any input output lt 6 5 t Bit Retimer Input channel 1 to 3 Signal distortion 30 Bit length 0 12 Output channel 1 to 3 Mean bit length 0 01 Electrical channel Input output signal RS 485 level Input dielectric strength 7Vto 12V PIN assignment channel 1 IEC 61784 ED 1 2002 CPF3 1 Optical channels Wavelength 660 nm 860 nm 1310 nm Launchable optical power in glass fiber E 10 125 Default 19 dBm in glass fiber G 50 125 Default 15 dBm 17 dBm in glass fiber G 62 5 125 Default 13 dBm 17 dBm in PCF fiber S 200 230 transmitting power Red
8. Profi 12M PRO Version 1 0 05 08 4 Setting Up 4 9 Connecting the electric bus cables Only use shielded and twisted pair wiring as a RS 485 bus line Use a PROFIBUS bus connector plug to connect the RS 485 bus segment Notes If the repeater is at the beginning or end of a bus segment this connector must have an activated bus terminal resistor combination Ensure that the bus segment connected to the RS 485 interface is terminated at both ends Only use a connecting cable which is terminated at both ends to connect a single device All PROFIBUS bus connector plugs in a network must be securely screwed onto the RS 485 interfaces Attaching or removing the bus connector plugs inadequately attached bus connector plugs or loose bus wires within the plug can lead to malfunctions in the optical and electrical networks Data rate Range per segment 12 MBit s 100 m 6 MBit s 100 m 3 MBit s 100 m 1 5 MBit s 200 m 500 kBit s 400 m 187 5 kBit s 1000 m 93 75 kBit s 1200 m 45 45 kBit s 1200 m 19 2 kBit s 1200 m 9 6 kBit s 1200 m Table 1 Range of RS 485 bus segment with cable type A 1 Properties of cable type A Characteristic impedance 135 165 Ohm Capacity coating lt 30 pF m Loop resistance lt 110 Ohm km Wire diameter gt 0 64 mm Wire cross section gt 0 34 mm OZD Profi 12M PRO Version 1 0 05 08 Attach or remove the RS 485 bus connector plug quickly and without twisting them R
9. Profi 12M PRO Version 1 0 05 08 Recycling note N After usage this product must be disposed of A properly as electronic waste in accordance with the current disposal regulations of your county state country OZD Profi 12M PRO Version 1 0 05 08 Contents Contents 1 Introduction EEN eee e ee e ma m aaa ees aaa ae ama e aaa aia aaa a a aaa 7 2 General Functions une en ta a at ne 11 2 1 Non operating mode related functions cca 11 2 2 Operating mode related functions cmcmcc eee 11 3 Network Topologies 3 2 2 ci ee ei ne 13 Salt EINGTOPOIOGY ere eg re de Deke ee a ee Set iute ee eRe eta 13 3 1 1 Line topology with optical fiber link monitoring and segmentation 14 3 1 2 Line topology without optical fiber link monitoring 15 3 2 Bedundantiingeszss 2 4 sneha de se i ani ees pee ea Re eee nen ern 15 3 3 Star ee Te KEE 17 SSRN UP EE 19 Al Installation QUIGGIINGS au cess creeds 20 080 RRM ae toed MGs BREE oct EE len 19 4 2 Usein Ex zone 2 according to ATEX 100a ceea 23 4 3 Use in North AMe nica isis einer end gas edging ae Socks a ada a o Rt eine 24 4 4 Installation procedure sei sssi eiei ea iae aaa aa nn 25 dh Installing repeater e eevee ua errire ttu a ee ee a nn a ai a al 26 4 6 Setting compatibility operating mode and transmitting power 27 4 6 1 Setting the compatibility nana 27 4 6 2 Setting the operating mode 28 4 6 3 Reducing the opti
10. activated in this operating mode So Cal ouni if SO is in Position 1 Please note that this operating mode should only be set in the star segment of the star topology Operating mode Line without optical fiber link monitoring D _ u wW sa aml CHS CHS is activated in this operating sr mode if S3 is in Position 1 and S4 CT is in Position 0 CH2 is activated in this operating mode if S1 is in Position 1 and S2 is in Position 0 OZD Profi 12M PRO Version 1 0 05 08 4 Setting Up 4 6 Setting compatibility operating mode and transmitting powerpower Operating mode Redundant optical ring 0 1 IW A SS CHS CH3 is activated in this operating mode S4 bb cu if S3 and S4 are in Position 1 CH CH2 is activated in this operating mode if S1 and S2 are in Position 1 4 6 3 Reducing the optical transmitting power Attention The following details only apply for the S7 default position S7 0 The OZD Profi 12M P1x PRO and OZD Profi 12M G1x EEC PRO have a high level of optical transmitting power Optical overloading may result if these repeaters are connected with non OZD Profi devices using plastic optical fiber cables particularly if short cable lengths are used In this case the optical transmitting power can be reduced Leave S6 in Position 1 default if the optical fiber link to CH3 functions F correctly in this posi
11. also be created by simply setting the value of the parameter HSA so that it is at least one greater than the highest number of subscriber bus addresses present in the network Attention If this requirement is not or no longer fulfilled the optical line will no longer be closed into a redundant optical ring after segmentation The error report LED and signaling contact of the two affected OZD Profi 12M PRO is not cancelled even after the error has been corrected The slot time must be set to approximately twice the value required in a non redundant network Further information can be found in Chapter Configuration p 41 Refer to the manufacturer s documentation provided with the terminal or configuration software for details about how to adjust the settings OZD Profi 12M PRO Version 1 0 05 08 3 Network Topologies 3 3 Star topology 3 3 Star topology Electrical star segment EL CL GzDer P11 PRO G11 1300 PRO Ea CL OZD P12 PRO G12 1300 PRO OZDIR P11 PRO G11 1300 PRO DT DI OZD P14 PRO G11 1300 PRO Ch 1 chi chi Ch Ch 2 Ch2 Ch3 Ch 2 ch 2 Ch 2 ch 2 ch 1 chi ch2 Ch2 d d ch 1 Ch 2 on e Oz P44 PRO en 1 P11 PRO G14 1300 PRO d G1
12. arise When configuring your network select low bus subscriber addresses wherever possible This ensures that master timeout times which may arise are kept as short as possible in the event ofa malfunction 16 If a redundancy case occurs e g a line break there is a switching time during which data cannot be correctly transmitted In order to ensure a smooth transition it is recommended that the frame repeat setting Retry on the PROFIBUS master be set to at least 3 After the error has been corrected no frames should be present in the network when the optical line is transformed back into an optical ring to ensure that the process is completed smoothly This condition can arise when a master selects a device whose address has been configured but which does not physically exist The master tries to address this device cyclically and waits for a reply only until the configured slot time has been excee ded GAP request The OZD Profi 12M PRO recognizes this condition and closes the optical line to an optical ring in the middle of this request sequence This results in two configuration requirements for the redundant optical ring The value of the parameter HSA Highest Station Address must be set at all terminals so that between the bus address 0 and the value HSA at least one address in the network has not been assigned to a bus subscriber i e so that there is at least one address gap This address gap can
13. chapter Retry In case of redundant optical ring only HSA Highest Station Address configured correct ly or a non existent bus subscriber configured Note It may be necessary to perform a reset on the device on which the parameters have been changed e g master so that the new values can also be trans ferred Check the status of the LEDs and use chapter 5 1 and 5 2 1 to check the possible causes and resolve the errors detected OZD Profi 12M PRO Version 1 0 05 08 5 Help with problems 5 3 Problem reporting 5 3 Problem reporting If the transmission in the RS485 network is still not satis factory after all the points in chapter 5 2 1 and 5 2 2 have been clarified then please send answers to the following questions and the documents requested to our service hotline for contact address see chap 5 4 p 39 1 Exact type designation of the OZD Profi 12M PRO For identification purposes please provide the order number printed on the device 18 digits What data rate is being used How are the DIL switches set on all the devices Send us a detailed network plan with the fiber type and fiber length the location and length of the elec trical segments and the position of the terminators 5 Give as detailed a description of the error as possible in your own words 6 Which values were configured for slot time retry value and MIN Tspr 7 What is the status of the LEDs on the relevant
14. circuit the send time has been exceeded caused by a bus subscriber in a bus segment connected to Channel 1 repeater and another bus subscriber connected via Channel 1 are both no signal sending at the same time e g because an address has been assigned twice the setting of the slot time is too low or during lifting of the segmentation in the optical line see Chap 3 1 1 RS 485 driver of the repeater is defective e g after lightning strike Operating mode Line with optical fiber link monitoring and Redundant optical ring PROFIBUS frames are being received at the optical channel no signal Transmission rate has not yet been recognized LED System flashes red no signal No transmitting bus subscriber present Send and receive optical fibers have been transposed No partner repeater connected or partner repeater is not switched on Connected partner repeater is defective Transmission rate has been recognized LED System flashes green If the operating mode Redundant optical ring has been set the optical channel works as a stand by channel There is no malfunction in the OZD Profi or the optical fiber If one of the operating modes Line with optical fiber link monitoring has been set no PROFIBUS frames are received at the optical channel There is no malfunction in the OZD Profi or the optical fiber Transmission rate has been recognized LED System lights
15. in the PROFIBUS standard EN 50170 must be set to a value gt 110n all terminals This is usually the case but the setting should be checked if com munication malfunctions continuously arise When configuring your network select low bus subscriber addresses wherever possible This ensures that master timeout times which may arise are kept as short as possible in the event of a malfunction Refer to the manufacturer s manual of the terminal concerned for details about how to alter the settings The PROFIBUS network is divided into two partial net works which remain functional independently of one other The malfunction is indicated at the two OZD Profi 12M PRO that are connected to the malfunctioning fiber link by the channel LEDs switching to red and by activation of the signaling contacts The segmentation is lifted auto matically as soon as both repeaters recognize that the field bus network is functioning correctly with the help of test frames Please note that in the case of networks with several active bus subscribers two logical token rings are for med in the event of an error Every time the partial net works are switched together network malfunctions may arise due to the double tokens or frame collisions Note If a repeater with two optical channels is used at the beginning or end of a line the optical channel which is not assigned must be switched to the operating mode Line without fiber link monitoring
16. marking The devices comply with the regulations of the following European directives 89 336 EEC Council Directive on the harmonization of the legal regu lations of member states on electromagnetic compatibility amended by Directives 91 263 EEC 92 31 EEC and 93 68 EEC The precondition for compliance with EMC limit values is strict adherence to the installation guidelines specified in this description and operating instructions The EU declaration of conformity is kept available for the responsible authorities in accordance with the above mentioned EU directives at Hirschmann Automation and Control GmbH Abteilung AM Stuttgarter Strasse 45 51 72654 Neckartenzlingen Telefon 01805 14 1538 E Mail hac support hirschmann de The product can be used in the residential sphere resi dential sphere business and trade sphere and small companies and in the industrial sphere Interference immunity EN 61000 6 2 2001 Interference emissions EN 55022 1998 A1 2000 A2 2003 Class A Warning This is a Class A device This equipment may cause radio interference if used in a residential area in this case it is the operator s responsibility to take appropriate measures OZD Profi 12M PRO Version 1 0 05 08 FCC RULES This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept any i
17. only be realized with repeaters with two optical channels of the same type Monitoring mechanisms Send echo yes Monitor echo yes Suppress echo yes Segmentation yes An interruption of one or both optical fibers between two repeaters is detected by the OZD Profi 12M PRO and the ring is transformed into an optical line If one repeater fails only those terminals connected to this repeater or the RS 485 segment are uncoupled from the ring The remainder of the network itself continues to function as a line The error is indicated by the LEDs on the two OZD Profi 12M PRO connected to the mal functioning optical fiber and their signaling contacts The segmentation is lifted automatically as soon as both repeaters recognize that the segmented field bus net work is functioning correctly with the help of test frames The line forms itself into a ring Please note The following ambient conditions must be fulfilled to ensure that the network configuration functions correctly The operating mode Redundant optical ring must be set at both optical channels of all the OZD Profi 12M PRO All repeaters in a ring must be connected to one another by fiber lines The ring may not include an RS 485 bus line The parameter MIN Tspr described in the PROFI BUS standard EN 50170 must be set to a value gt 11on all terminals This is usually the case but the setting should be checked if communication malfunctions continuously
18. out that the content of this manual is not part of a previous or existing agreement consent or legal relationship or shall not amend same All the lia bilities of Hirschmann result from the respective sales contract which also contains the complete and solely valid guarantee regulations These contractual guarantee specifications are neither enhanced nor restricted by the information in this manual We also wish to point out that for reasons of comprehen sibility not every conceivable problem relating to the use of this device can be described in this manual Should you require further information or should particular pro blems occur which are not dealt with in sufficient detail in this manual you can request the required information from your local Hirschmann dealer or directly from Hirschmann for address see section Note on CE Marking Notes on safety This manual contains instructions to be observed for ensuring your personal safety and for preventing damage The warnings appear next to a warning triangle with a different heading depending on the degree of danger posed Danger Means that death serious physical injury or consi derable damage to equipment will occur if the required precautionary measures are not taken Warning Means that death serious physical injury or consi derable damage to equipment can occur if the required precautionary measures are not taken A Caution Means that minor phys
19. system functional ground at as many places as possible Electrically conducting pipes parts of machines or supporting structures should be integrated in the potential equalization system In order to ensure long term reliability appro priate measures should be undertaken to protect against corrosion The potential equalization cable must be protected against corrosion The cross section of the potential equalization cable should be chosen with regard to the maximum potential equalization currents which can flow Special care should be taken when installing potential equalization cables to maximize the interference immuni ty of the data cables If possible the potential equalizati on cable should be laid parallel to and as close as possi ble to the data cable preferably in the same plastic pipe The cable screen should never be used for potential equalization The potential equalization cable should be finely stranded to ensure that it is also effective at high frequencies as a result of the large surface area Potential equalizatio Control cabinet 2 Potential equalization i Bus cable Fig 6 Laying cables inside of buildings OZD Profi 12M PRO Version 1 0 05 08 21 4 Setting Up 4 1 Installation guidelines Laying cables outside of buildings Warning It is recommended to use fiber optic cables for bus installations which are outside o
20. that have a cross section between 0 2 2 5 mm The measuring voltage can be determined by a standard voltmeter ungrounded high impedance This allows the incoming optical power to be documented e g for later measurements ageing damage Signal output voltage 4 A E 2 Fig 13 Analog voltage outputs connections for 3 pin terminal block CH2 GND CH3 Receive Signal Intensity a pass fail examination to be performed threshold value wiring to be carried out on input terminals of a Profibus I O module thereby making the control system available As with other process variables it is possible to define warning thresholds there and use them for preventative maintenance Reserve POPI PIE EI PIPI E 0 100 200 300 400 ER re PF EECH 500 600 700 800 900 Optical power input UW Diagram 1 Correlation of measured output voltage to signal quality OZD Profi 12M PRO Version 1 0 05 08 33 4 Setting Up 4 11 Connecting the analog voltage outputs optional Notes For a measured value to be valid it is necessary that the partner OZD Profi on the other end of the optical fiber transmits regular PROFIBUS telegrams This can be seen in the illustration of the LED for the partner OZD Profi see chap 5 1 LED displays page 35 An OZD Profi 12M PROi is no substitute for a calibra ted optical level meter
21. to the topology mode of operation compatibility and optical transmis sion power see chap 4 6 page 27 Were the following points taken into account regar ding topology Line topology Line topology selected and set according to the specifications in chapter 3 1 with or without F O link monitoring Star topology CH1 must be switched to Monitor off mode S0 1 for all OZD Profi 12M PRO connected to the elec trical star segment Wiring of the electrical star segment must be under taken with care Expansion of the electrical star segment is to be as small as possible The electrical star segment must be terminated at both ends No bus subscribers are to be connected to the elec trical star segment Non busy optical channels are to be switched to Line without F O link monitoring operating mode Redundant optical ring Both channels of all the OZD Profi 12M PRO must be set to Redundant optical ring operating mode All the OZD Profi 12M PRO within a ring must be optically linked with one another Configuration these settings can usually be set on the PROFIBUS master using configuration software not on the OZD Profi 12M PRO Slot time configured correctly for basics see chapter 3 2 for calculation see TSLOT exe Retry value configured correctly target value gt 3 see chapter 3 2 Value of MIN Tore configured correctly target value gt 11 see
22. 1 1300 PRO OZD OZD P11 PRO P11 PRO G11 1300 PRO CVAD see G14 1300 PRO P14 PRO G14 1300 PRO Terminal unit s bus segment Terminal unit s bus segment Terminal unit s bus segment Fig 4 Network structure in an optic star topology Several repeaters are combined to form an active PROFI BUS star coupler Other repeaters are connected to this by dual fiber optical fiber lines The repeaters of the star coupler are connected to one another via the electrical channel electrical star segment All OZD Profi types for different fiber types plastic PCF glass can be combined using the electrical star segment OZD Profi 12M PRO Version 1 0 05 08 Terminal unit s bus segment Terminal unit s bus segment Please note CH1 in mode Monitor off SO 1 must be activated on all OZD Profi 12M PRO which are connected to the electrical star segment This deactivates the segmenting function of the RS 485 channel on these OZD Profi 12M PRO provi ding a high degree of availability of the electrical star segment 3 Network Topologies 3 3 Star topology Ensure that the electrical star segment is wired carefully Keep it as small as possible to avoid interference injection into the electrical star segment and from here into the entire network This can be achieved by laying out the OZD Profi 12M PRO in the electrical star segment directly next to each other on a hat ra
23. OZD Profi 12M PRO 8 Please provide the voltage values of the analog voltage outputs for the relevant OZD Profi 12M PRO see chapter 4 11 page 33 5 4 Contact address Contact address for technical support Hirschmann Automation and Control GmbH Stuttgarter Strasse 45 51 72654 Neckartenzlingen Germany Allemagne Tel 49 1805 14 1538 Fax 49 7127 14 1551 E Mail hac support hirschmann de Internet http www hirschmann ac com OZD Profi 12M PRO Version 1 0 05 08 9 In case of redundant optical ring only Which value was configured for HSA Highest Station Address Was a non existent bus subscriber configured Important If you do not provide complete answers to questions 1 to 9 we cannot process your query Note You can get the current version of this manual on the Internet at http www hirschmann ac com via the product search at the product You will find the version of this manual on every page of the manual at the bottom opposite the page number 39 5 Help with problems 40 OZD Profi 12M PRO Version 1 0 05 08 6 Configuration 6 1 Configuration of redundant optical rings 6 Configuration During configuration the PROFIBUS network parameter Slot time must be adapted to the network coverage network topology and the data rate due to frame delays caused by lines and network components as well as by monitoring mechanisms in the network components 6 1 Configu
24. RO P11 G11 G11 1300 P12 G12 G12 1300 G12 EEC G12 1300 EEC Mechanical ambient conditions Schwingen 3 bis 9 Hz 3 5 mm Amplitude 9 bis 150 Hz 1 g Beschleunigung Frequency change 1 octave min 10 cycles per axis along all 3 axes In accordance with IEC 60068 2 6 test Fc Shock 15 g Halbsinus Uber 11ms 3 Schocks in pos und neg Richtung in allen 3 Raumachsen Gem IEC 60068 2 27 test Ea Protection class IP 20 Dimensions W x H x D 35x156x114mm 35x156x114mm 35x 163x114 mm Housing material Plastic PA6 6 aluminium Weight approx 230 g OZD Profi 12M PRO Version 1 0 05 08 45 Hirschmann Automation and Control GmbH Stuttgarter Strasse 45 51 72654 Neckartenzlingen Germany Allemagne Tel 49 1805 14 1538 Fax 49 7127 14 1551 E Mail hac support hirschmann de Internet http www hirschmann ac com 039 690 001 E 01 0508 Printed in Germany HIRSCHMANN A Belden Company
25. Table 3b Constants for calculating the slot time at DP FMS redundant optical ring universal and DP with S595U redundant optical ring 1 see p 42 OZD Profi 12M PRO Version 1 0 05 08 41 6 Configuration 6 1 Configuration of redundant optical rings The calculation of the slot time only takes into considera tion the optical network and the connection of bus sub scribers to the OZD Profi via an RS 485 bus segment with a respctive length of max 20 m Longer RS 485 bus segments must be allowed for by adding them to the Length of 1 Using the OZD Profi 12M G11 1300 PRO and G12 1300 EEC PRO at data rates of 12 MBit s 6 MBit s 3 MBit s and 1 5 MBit s the minimum slot times according to the following table must be met Data rate Minimum slot time 12 MBit s 3800 tpi 6 MBit s 2000 tpi 3 MBit s 1000 Ten 1 5 MBit s 530 tit Table 4 Minimum slot time on OZD Profi 12M G11 1300 PRO and OZD Profi 12M G12 1300 EEC PRO Use the values from Table 4 if the calculated slot time is smaller than the minimum slot time indicated in the table 42 Note When the slot time is configured with a too small value the OZD Profi 12M PRO will through it s fault function and fault indications indicate such The System LED will blink red green OZD Profi 12M PRO Version 1 0 05 08 7 Technical Data 7 Technical Data OZD Profi 12M PRO P11 G11 G11 1300 P12 Gi2 G12 1300 G12 EEC G12 1300
26. V power line 1 kV data line conforms to EN 61000 4 5 1 kV data line 1 kV power line symmetrical 1 kV power line asymmetrical conforms to EN 61000 4 6 10 V 150 kHz 80 MHz Emitted interference conforms to EN 55022 Class A conforms to FCC CFR47 Part 15 Class A Climatic ambient conditions Ambient temperature OZD Profi 12M PRO without EEC feature OZD Profi 12M G12 1300 EEC PRO 9 0 C to 60 C 20 C to 60 C IEC 68 2 1 IEC 68 2 2 Storage temperature 40 C to 70 C IEC 68 2 14 Relative humidity lt 95 non condensing IEC 68 2 30 100 condensing for OZD G12 EEC PRO IEC 68 2 30 Air pressure during operation up to 2000 m 795 hPa transport and storage up to 3000 m 700 hPa Contamination level 2 1 The specified distance allowed between two OZD Profi must not be exceeded regardeless of the optical power budget 2 With a fiber bandwidth length product of 17 MHz km 3 The OZD Profi 12M G12 1300 PRO can also be supplied in a special design for more severe environmental conditions This variant is designated the OZD Profi 12M G12 1300 EEC PRO The DIL switches on the OZD Profi 12M G12 1300 EEC PRO may also only be operated at ambient temperatures between 0 C and 60 C 4 Transmitting power Default 5 Transmitting power Reduced 44 OZD Profi 12M PRO Version 1 0 05 08 7 Technical Data OZD Profi 12M P
27. cal transmitting power 29 4 7 Connecting the optic bus cables nea 30 4 8 Connecting the electric bus cables 30 4 9 Connecting the function ground and the shield of the bus cable 32 4 10 Connecting the signal contact lines optional 32 4 11 Connecting the analog voltage outputs optional 33 4 12 Connecting the operating voltage supply 34 4 13 Checking the LED indiCators e sa 2008 She 2 2 kadara nd EL ANNE ANEN ee nee e i 34 5 Help with problems nee tenet tenn eee tenn eees 35 5 1 DEEN EE da E sha es Oe eee E bee eee ba ee eS oes 35 5 2 TOUDIESMOOUNG EE ee atitea et iati ce ia 37 5 2 1 Troubleshooting after signaling via LED or signal contact 37 5 2 2 Systematic troubleshooting 38 5 3 PrOBIEMIreporti Ne sessies ths kA el dd et ui a a eee a ans aa ears la coo i Sie ee e 39 oad Seele EE 39 6 Configuration oie cic ee sid here was doses Hasna cn Sb Rees week sue a whee Kade e en 41 6 1 Configuration of redundant optical rings 41 Fab CA he GE 43 OZD Profi 12M PRO Version 1 0 05 08 5 Contents 6 OZD Profi 12M PRO Version 1 0 05 08 1 Introduction 1 Introduction The PROFIBUS Repeaters OZD Profi 12M P11 PRO OZD Profi 12M P12 PRO OZD Profi 12M G11 PRO OZD Profi 12M G12 PRO OZD Profi 12M G12 EEC PRO OZD Profi 12M G11 1300 PRO OZD Profi 12M G12 1300 PRO and OZD Profi 12M G12 1300 EEC PRO are designed to be used in optical PROFIBUS field bus n
28. compatibility disabled Note The OZD Profi 12M PRO must be switched off when switching over DIL switches OZD Profi 12M PRO Version 1 0 05 08 1 Introduction 10 OZD Profi 12M PRO Version 1 0 05 08 2 General Functions 2 1 Non operating mode related functions 2 General Functions 2 1 Non operating mode related functions Transmission rate The OZD Profi 12M PRO support all the transmission speeds transmission rates defined in the EN 50170 standard 9 6 kBit s 19 2 kBit s 45 45 kBit s 93 75 kBit s 187 5 kBit s and 500 kBit s and additionally 1 5 MBit s 3 MBit s 6 MBit s and 12 MBit s The transmission rate is set automatically as soon as the OZD Profi 12M PRO receives a frame The setting or adjustment is dependent on the transmission rate and the set operating mode Depending on the OZD Profi 12M PRO this can last up to several seconds If the transmission speed has not been recognized the outputs of all channels are blocked If the transmission rate changes during operation this is detected by the repeaters which then automatically adjust their settings accordingly 2 2 Operating mode related functions The operating mode is set using switches located on the front of the repeater A sticker attached to the side of the repeater provides assistance with the settings Caution The OZD Profi 12M PRO must be switched off when switching over DIL switches Segment mon
29. crew terminal block on the front of the repeater LEDs Four multicolored light emitting diodes indicate the current operating status and possible operating mal functions Configuration You can easily set the configuration to meet your specific requirements by means of DIL code switches which can easily be operated from outside The following settings are possible Compatibility to OZD Profi a version Operating mode Reducing the optical transmitting power Transmission speed The PROFIBUS Repeater OZD Profi 12M PRO supports data rates from 9 6 kBit s to 12 Mbit s Redundancy The redundant ring enables a very high level of trans mission reliability The redundant operating power supply can further improve the operating reliability Extended ambient conditions OZD Profi 12M G12 PRO devices with the EEC fea ture extended environmental conditions can be used in the extended temperature range from 20 C to 60 C and at up to 100 humidity OZD Profi 12M PRO Version 1 0 05 08 1 Introduction Compatibility with other PROFIBUS repeaters The devices are fully compatible with the repeaters of the previous generation of OZD Profi 12M and can be combined with them The functional compatibility with devices of the earlier generation of OZD Profi P3a P4a G3a G4a G3a 1300 and G4a 1300 can be enabled or disabled with a DIL switch Default setting of S7 is Position 0
30. de indicates the related BFOC sockets of the two channels Ensure that the strain relief of the F O cables is suffi cient and observe their minimum bend radiuses Seal unused BFOC sockets with the protection caps supplied Ambient light can interfere with the network especially if the environment is very bright Dust which gets in can render the optical components unusable 4 8 Connecting the electric bus cables The repeaters are fitted with an RS 485 electrical channel This is a 9 pin Sub D socket with a screw lock inside thread UNC 4 40 The pin assignment complies with the PROFIBUS stan dard At Pin 6 there is a short circuit proof 5 V output for supplying external pull up pull down resistors As opposed to the 24V power supply the RS 485 bus lines RxD TxD N and RxD TxD P are indirect coupled functional separation within SELV restrictions The RS 485 interface is electrically connected to the front panel function ground 30 iii A Lr il Channel 2 Channel 3 oD Ga Gi Fig 10 Location of optical channels 2 and 3 with their respective inputs and outputs asni Ground 5 8 RxD TxD N nn a RxD TxD P 3 7 n c Ground 2 6 5 V Output Shield 1 Fig 11 Electrical channel assignment of Sub D socket OZD
31. e connected together by dual fiber optical fibers Repeaters with one optical channel are sufficient at the beginning and end of a line between which repeaters with two optical channels are necessary If single point to point connections are to be built up this can be achieved using two repeaters each with one optical channel The line topology can be realized with and without fiber link monitoring If both operating modes are used within an optical fiber line the operating mode Line topology without fiber link monitoring determines the availability of this fiber line It is recommended that fiber link monito ring be used in homogeneous OZD Profi networks default factory setting 3 1 1 Line topology with optical fiber link monitoring and segmentation This operating mode should preferably be used if an interrupted fiber segment is to be separated from the rest of the network Monitoring mechanisms Send echo yes Monitor echo yes Suppress echo yes Monitor yes Segmentation yes In this operating mode the individual fiber links are monitored by the two connected repeaters If a repeater fails an optical fiber breaks or faults are determined on the optical transfer link the fiber link between the two OZD Profi 12M PRO is interrupted segmented 14 Please note that the following ambient conditions must be fulfilled to ensure that network configuration functions correctly The parameters MIN Tspr described
32. emove the RS 485 bus line from the OZD Profi if a device is not connected to the other end or there is an OZD Profi which has been disconnected from the power supply The open line otherwise acts as an antenna and can cause interference When connecting a RS 485 bus line to the OZD Profi 12M PRO in an active network keep to the follo wing sequence in order to avoid interference 1 Place the RS 485 bus connector plug onto the device which is to be connected e g to a program ming device and screw it on tightly 2 Attach the RS 485 bus connector plug to the OZD Profi 12M PRO quickly and without twisting the connector and screw it on tightly Proceed in the reverse order when removing a device from the network 31 4 Setting Up 4 9 Connecting the function ground and the shield of the bus cable 4 9 Connecting the function ground and the shield of the bus cable Note See chapter Laying cables outside of buildings on page 22 Warning There is no contact separation between the bus lines and the connection for the function ground Therefore please observe the following safety instructions Do not use bus lines to connect repeaters to device parts which have a different earth potential The different voltages could destroy the repeaters Avoid electrical bus lines which are partly or entirely laid outside buildings If lightening strikes close by this could destroy the repeaters Use F O cables f
33. er to prevent interference in electrical systems these effects must be reduced to a minimum Interference suppression of switched inductances Shield grid over lamp zer Shielded cable 1 Metal encased y switch _ Mains filter or GE shielded mains cable Fig 5 Interference suppression of fluorescent lamps in cabinet Arrangement of devices and cables Reducing interference by providing adequate space A simple yet effective way of reducing interference is to separate devices and cables causing interference from those affected by interference Inductive and capacitive interference injection decreases by the square of the distance between the elements concerned This means that doubling the distance reduces the interference by a factor of 4 If the arrangement of the various elements in a building or in the switch cabinet is taken into consideration at the planning stage the cost of the necessary interference suppression measures is generally very low OZD Profi 12M PRO Version 1 0 05 08 The structural design and correct connection of bus lines as well as the interference suppression of switched inductances play a major role in limiting interference Suppressing switched inductances with fuses Switching inductances e g in relays and fans gene rates interference voltages which are many times higher than the switched operating voltage These in
34. ets PROFIBUS cables and cables for DC and AC voltages gt 400 V unscreened areas with explosion hazard and Telephone cables separate cable runs spaced at least 10 cm apart All cable ducts should be constructed of electrically conducting material and connected to functional ground at regular intervals Bus cables should not be subject to mechanical loads which exceed the manufacturer s specifications If this cannot be avoided additional protective measures should be taken e g by laying the cables in a steel pipe or rugged metal duct The pipe or duct should then be grounded at regular intervals and protected against corrosion Potential equalization and screening The cable screen should be connected to ground at both ends of the cable The use of fiber optic cable is recom mended if problems are experienced with interference A low impedance potential equalization cable should be used if this is not possible Control cabinet 1 Situations where interference can present a problem include Plant which extends over a large area Power is fed to the plant from different power sources Networking extends over several buildings If one of these situation apply the following should be observed when installing the potential equalization system The circuit through which interference signals flow must be closed and Each part of the plant must be electrically connected to the potential equalization
35. etworks according to IEC 61784 ED 1 2002 CPF3 1 They enable electrical PROFIBUS interfaces RS 485 level to be converted into optical PROFIBUS interfaces and vice versa By profiting from the familiar advantages of optical trans mission technology the repeaters can be integrated into existing PROFIBUS field bus networks A complete PROFIBUS field bus network with repeaters 7 pin screw terminal block for operating power supply signal contact and function ground donon in line star or ring topology and an arbitrary combination of these can also be built up Housing The housing consists of two plastic sections and a front panel made of metal It can be mounted on a DIN rail Ports Each repeater has two or three mutually independent channels ports which in turn consist of a transmitting and a receiving component The electric channel is a 9 pole Sub D socket female A PROFIBUS bus segment can be connected to this channel The channels 2 and 3 are optical BFOC 2 5 ST sockets B LED 8 pin DIL switch 3 pin screw terminal block for measuring voltage Channel 1 Sub D socket Wi OZD Profi 12M PRO fi indicators mm OO 0O oi EI EI E E 3 si so electrical om CH1 CH2 CH3 mizil
36. f buildings In the case of bus cables between buildings which are laid in the ground you should use a special fiber optic cable type which is suitable for this application Suitable copper cable types can be used if fiber optic cables cannot be used Observe the admissible minimum and maximum temperature rating for the type of cable used In principle the same rules apply to laying cables outside of buildings as within buildings However for outside installation the cables should be provided with additional protection by laying them inside a suitable plastic pipe The transition from external to internal cables should always use an auxiliary terminal block It is used to interconnect the cable for burial in the ground with the standard bus cable Lightning arrestors should be installed directly where the cable enters the building In addition the auxiliary terminal block should contain appropriate circuits to protect against overvoltages lightning protection KOLO d Plastic pipe Bus cable Functional ground Fig 7 Laying cables outside of buildings 22 Bus cable Functional ground OZD Profi 12M PRO Version 1 0 05 08 4 Setting Up 4 2 Use in Ex zone 2 according to ATEX 100a 4 2 Use in Ex zone 2 according to ATEX 100a Relevant information for use in Ex zone 2 according to ATEX 100a This product may be operated in EX zone 2 only if the
37. f the optical channel CH2 4 6 2 1 Setting the operating mode of the electrical channel CH1 Operating mode Electrical channel with segment monitoring CH1 is activated in this operating mode if SO is in Position 0 SO CH 4 6 2 2 Setting the operating mode of the optical channels CH2 CH3 The operating mode can be set individually for each optical channel Combinations of the operating modes Line with optical fiber link monitoring and Line without optical fiber link monitoring are also possible Note that the operating mode of the two optical channels which are connected by the fiber line must always have the same settings The operating mode Redundant optical ring must always be set at both of the optical channels Operating mode Line with optical fiber link monitoring and segmentation o 1 _ W Er sa mae cH CH3 is activated in this operating mode e Belt ou if S3 and S4 are in Position 0 Li CH2 is activated in this operating mode if S1 and S2 are in Position 0 28 The DIL switches S3 and S4 are used to set the operating mode of the optical channel CH3 S3 and S4 do not have a function on OZD Profi 12M PRO with only one optical interface Operating mode Electrical channel without segment monitoring D IW i SC CH1 is
38. fully shielded lines The shields of these lines must be of sufficient thickness to satisfy the legal requirements for interference radiated and interference received Always attach the shields at both ends of the bus lines The legal requirements vis a vis interference radiated and interference received for your system will only be satisfied if shields are connected at both ends CE symbol Attach the shield for the bus line at the connector plug housing or at the cable clamps provided Shield connections Fig 6 Securing shielded lines using cable clamps and tube clips schematic diagram 20 In the case of steady state operation it is advisable to strip the shielded line entirely and connect it with the shielding bus protective conductor rail Note If differences in potential occur between the grounding points an inadmissibly high compensating current could flow across the shielding connected at both ends Never eliminate this problem by removing the shielding from the bus line The following solution is permissible Lay an additional equipotential bonding cable parallel to the bus line This additional cable will carry the shield current Always observe the following points when installing bus line shielding Secure the shield braid using metal cable clamps The clamps must fully enclose the shield and make good contact see Fig 6 Only connect the lines via the copper braid shield and not via the alumi
39. green or flashes red green no signal No transmitting bus subscriber present optical fiber connection is OK signal Send and receive optical fibers have been transposed No partner repeater connected or partner repeater is not switched on Connected partner repeater is defective Send time of connected partner repeater has been exceeded An optical fiber line is broken Optical fiber link to partner repeater is too long Loose connection in an optical fiber connector Optical fiber in the optical fiber connector is loose When using a redundant optical ring if a fault in the optical fiber has been corrected but the channel LEDs on both of the OZD Profi concerned still light red check whether parameter HSA has been set as described the in Chap 3 2 signal Fault occurs periodically see above Loose connection in an optical fiber connector Optical fiber in the optical fiber connector is loose Only one active bus subscriber is connected which only sends tokens to itself A fault should not be signaled as soon as a second subscriber is activated P ge S i A j A aa di ci Operating mode Line without optical fiber link monitoring no signal Signals are received at the optical channel no signal No transmitting bus subscriber present Send and receive optical fibers have been transposed No partner repeater connected or partner repeater is not switched on Connected partner repeate
40. hey are explained in chapter 5 1 p 35 34 24 V L1 OV A DV 24 V L2 Fig 14 Operating voltage supply pin assignment on the 7 pin screw terminal block The operating voltage inputs are protected against incorrect pole connection The operating voltage s are electrically isolated from the function ground connection and from the other connections OZD Profi 12M PRO Version 1 0 05 08 5 Help with problems 5 1 LED displays 5 Help with problems 5 1 LED displays OZD Profi 12M PRO h CH1 CH2 CH3 System O O O O Fig 15 LED indicators on the front panel LED display Possible causes Signal contact System lights green The transmission rate has been recognized and the power supply is in order no signal not lit Power supply has failed total failure signal Power supply connected incorrectly Repeater defective flashes red Transmission rate has not yet been recognized no signal No transmitting bus subscriber present No connection to a partner repeater sending frames Send and receive optical fibers have been transposed Transmission rate does not correspond to PROFIBUS DP Only one active bus subscriber is connected which is only sending tokens to itself The indicator must switch over after a second bus subscriber has been activated token frames on their own are not enough to set the transfer rate The connected RS 485 segment is only term
41. ical injury or damage to equipment can occur if the required precautionary measures are not taken A Note Contains important information on the product on how to manage the product or on the respective section of the documentation to which your particular attention is being drawn Qualification requirements for personnel Note Qualified personnel as understood in this manual and the warning signs are persons who are familiar with the setup assembly startup and operation of this product and are appropriately qualified for their job This inclu des for example those persons who have been trained or instructed or authorized to switch on and off to ground and to label power circuits and devices or systems in accordance with current safety engineering standards trained or instructed in the care and use of appropriate safety equipment in accordance with the current stan dards of safety engineering trained in providing first aid OZD Profi 12M PRO Version 1 0 05 08 General safety instructions This device is operated by electricity You must follow precisely the prescribed safety requirements in the operating manual that relate to the voltage connect ions Make sure that the electrical installation meets local or national safety regulations Warning Non observance of these safety instructions can cause material damage and or serious injuries Only appropriately qualified personnel should wo
42. il Switch on the terminating resistors in the bus port connectors see 4 8 Connecting the electric RS 485 bus lines p 30 at both ends of the electrical star segment Do not connect a bus subscriber to the electrical star segment wherever possible Repeaters with one or two optical channels can be used to create an active PROFIBUS star coupler Repeaters with one optical channel are sufficient for connecting a terminal or an RS 485 bus segment to the active star coupler 18 If the link monitoring on the optical channels is activated the fiber optic links are monitored by the respectively connected OZD Profi 12M PRO Note Optical channels which are not assigned for instance because they are reserved for a future system extension indicate a fiber break if the link monitoring is activated You can prevent this error report from being issued by activating the operating mode Line without fiber link monitoring at the non assigned channels Please note that optical channels which are not connected must always be fitted with protective caps to guard against extraneous light and dirt OZD Profi 12M PRO Version 1 0 05 08 4 Setting Up 4 1 Installation guidelines 4 Setting Up 4 1 Installation guidelines Electromagnetic compatibility EMC Electromagnetic compatibility EMC covers all aspects regarding the effects of radiated and received electrical magnetic and electromagnetic emissions In ord
43. inated at one end flashes red green Transmission rate recognized but no signal the network slot time could not be determined network parameter HSA is set too low no transmitting bus subscriber present one optical channel is set to Redundant optical ring mode but not the second this operating mode must always be set at both optical channels the slot time of the network configuration is too short failure of both power supply sources with redundant infeed OZD Profi 12M PRO Version 1 0 05 08 35 5 Help with problems 5 1 LED displays LED display CH1 lights yellow electric not lit flashes lights red CH2 CH3 optical lights yellow not lit flashes yellow lights red flashes red yellow lights yellow not lit Possible causes Signal contact Signals are being received on the RS 485 bus line no signal Bus subscriber is not connected no signal Connected bus subscriber is not switched on One or both conductors in the RS 485 bus line is broken Sporadic interference signals because signal the RS 485 bus line being insufficiently shielded an open RS 485 bus line i e it is only connected to the repeater at one end the RS 485 segment is not terminated or only terminated at one end an RS 485 bus terminal or terminal connector has been plugged in pulled out Permanent interference because conductors A and B in the RS 485 bus line have been transposed of an RS 485 bus line short
44. itoring at the RS 485 channel If the operating mode Electric channel with segment monitoring is set each receiver monitors the RS 485 bus segment connected to it for faulty frames or conti nuously busy networks If faulty frames are received by the receiver or if the network is busy for longer than the maximum permitted send time forwarding of the received signals is blocked until frames can be received again correctly or if no signal is received for one second OZD Profi 12M PRO Version 1 0 05 08 Transfer malfunctions may temporarily occur while the rate is being altered Signal regeneration The repeaters regenerate the signal form and amplitude of the data received This allows up to 122 OZD Profi 12M PRO to be cascaded limited by the address space in PROFIBUS networks Help when setting up At least one bus subscriber must be switched on and active in order to check the optical fiber connections during the installation This bus subscriber serves as the frame source The OZD Profi 12M PRO act passively when it is switched on They recognize the transfer speed from the frames sent by the bus subscriber An optical help when putting the device into operation is provided by the channel LED which then lights up The RS 485 bus segment is not monitored in the opera ting mode Electric channel without segment monitoring Interference from the electrical segment affects the entire network Please observe
45. l malfunctions when connected elsewhere the device is defective Replace the OZD Profi If the OZD Profi does not malfunction elsewhere the fault lies in the RS485 bus segment Carry out the measures described above OZD Profi 12M PRO Version 1 0 05 08 Fault indicated on CH2 CHS Check the following optically only repeaters of the same type are con nected together see 3 Network topologies p 13 the optical channels which are connected via optical fibers have been set to the same operating mode see 4 6 Setting compatibility operating mode and transmitting power p 27 the settings given in 4 7 Connecting the optic bus cables p 30 have been observed when connecting and laying the optical bus lines 37 5 Help with problems 5 2 Troubleshooting 5 2 2 Systematic troubleshooting This chapter helps you to localize an error systematically with the help of the following questions See also the description of the LED displays in chap 5 1 page 35 and chapter 5 2 1 Check the following points 38 Are all the electrical bus lines terminated at both ends in accordance with PROFIBUS specification even for short electrical lines Are the lengths of the optical cables within the thres hold values specified in this manual see chap 7 page 43 Is the reception level of the optical channels within the permissible range see chap 7 page 43 Are the DIL switches set according
46. n by the local Authority Having Jurisdiction at the time of installation The peripheral equipment must be suitable for the location in which it is used Restrictions to the fault contacts of 7 pole connector for use in Hazardous Locations U lt 32V 1 lt 90mMA L lt 5mH C lt 200nF OZD Profi 12M PRO Version 1 0 05 08 4 Setting Up 4 4 Installation procedure 4 4 Installation procedure The Repeater OZD Profi 12M PRO is installed by the following steps OZD Profi 12M PRO Version 1 0 05 08 Installing repeater Setting compatibility operating mode and transmitting power Connecting the optic bus cables Connecting the electric bus cables Connecting the function ground and the shield of the bus cable Connecting the signal contact lines optional Connecting the analog voltage outputs optional Connecting the operating voltage supply Checking the LED indicators 25 4 Setting Up 4 5 Installing repeater 4 5 Installing repeater The Fiberoptic Repeater OZD Profi 12M PRO can be mounted on a 35 mm DIN rail in accordance with IEC 60715 1981 A1 1995 Install the device in a location where the climatic threshold values specified in the technical data are adhered to Ensure that there is sufficient room to connect the bus and power supply cabling Connect the optical fiber line before mounting the repeater as this simplifies the procedure Mount the repeater on the DIN rail T
47. n cross section area 200 mm at 0 5 mm 400 mm at 1 0 mm 800 mm at 2 0 mm During the installation you must adhere to the installation guideline IEC EN 60079 14 For ambient temperatures below 10 C and above 60 C use wiring suitable for both minimum and maximum ambient tem perature ssa 23 4 Setting Up 4 3 Use in North America 4 3 Use in North America Relevant information for North America Only for connection with a Class 2 power supply For use in Class 2 Circuits Use 60 75 or 75 C copper CU wire only Additional Information for Use in Hazardous Locations This product may be operated in hazardous locations only if the product label is marked accordingly The following information applies when operating this equipment in hazardous locations Products marked Class DIV 2 Group A B C and D are suitable for use in Class Division 2 Groups A B C D 24 Hazardous Locations and nonhazardous locations only Each product is supplied with markings on the rating nameplate indicating the hazardous location temperature code When combining products within a system the most adverse temperature code lowest T number may be used to help determine the overall temperature code of the system Combinations of equipment in your system are subject to investigatio
48. nal contact If you are operating the repeater with an external voltage Only supply the system with a low safety voltage in compliance with IEC EN 60950 Relevant for North America The device may only be connected to a supply voltage of class 2 that fulfils the requirements of the National Electrical Code Table 11 b If the voltage is being supplied redundantly two different voltage sources the combined supply voltages must fulfil the requirements of the National Electrical Code Table 11 b Use 90 or 90 C copper CU wire only Safety instructions for environment Warning The device may only be operated in the specified ambient temperature and relative air humidity non condensing Select the installation site so that the climatic thres hold values specified in the technical data are adhe red to Only to be used in an environment with contamination level 2 IEC 60664 1 Safety instructions for housing Warning Only technicians authorized by Hirschmann are permitted to open the housing Underlying norms and standards The devices fulfill the following norms and standards EN 61000 6 2 2001 Generic standards Immunity for industrial environments EN 55022 1998 A1 2000 A2 2003 Information tech nology equipment Radio disturbance characteristics EN 61131 2 Programmable controllers EN 60825 1 Safety of laser products FCC 47 CFR Part 15 2004 Code of Federal Regulations Note on the CE
49. nterference received including interference that may cause undesired operation Note This equipment has been tested and found to comply with the limits for a Class A digital device pur suant to part 15 of the FCC Rules These limits are desi gned to provide reasonable protection against harmful interference when the equipment is operated in a com mercial environment This equipment generates uses and can radiate radio frequency energy and if not instal led and used in accordance with the instruction manual may cause harmful interference to radio communicati ons Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense C Tick Australia New Zealand This product meets the requirements of the AS NZS 3548 standard N13320 Certifications cUL508 and CSA C22 2 No 142 M1987 Please note the important information in Chapter 4 3 Use in North America page 24 ISA 12 12 01 replaces UL 1604 and CSA C22 2 No 213 M1987 Hazardous Locations Class1 Div 2 Groups A B C and D Please note the important information in Chapter 4 3 Use in North America page 24 ATEX RL 94 9EG Zone 2 3G Please note the important information in Chapter 4 2 Use in Ex zone 2 according to ATEX RL 94 9EG page 23 Note Only the certifications indicated on the label attached to each device are applicable OZD
50. num foil shield One side of the foil shield is attached to a plastic film to increase its tearing strength and is therefore non conductive The shields of all cables which are routed into a cabinet from the outside must be clamped at the point of entry inside the cabinet and connected to the cabinet ground with a large contact surface area When removing the cable jackets it is important to ensure that the braid shield of the cables is not damaged Tin plated or galvanically stabilized surfaces are ideal for optimum contacting between grounding elements With zinc plated surfaces suitable threaded connections must be provided for the required contacts Painted surfaces at the contact points are unsuitable Shield clamps contact points should not be used as strain relief devices Contact with the shield bus could otherwise deteriorate or break completely OZD Profi 12M PRO Version 1 0 05 08 4 Setting Up 4 1 Installation guidelines Laying cables inside of buildings Laying cables within control cabinets If a repeater is installed within a control cabinet the cable shield of the incoming bus cable should be electrically connected to a grounding rail as close as possible to the cable leadthrough using a shield grounding clamp or similar The cable shield should continue within the cabi net to the fieldbus device and be connected there in accordance with the manufacturer s instructions Laying cables outside of control cabin
51. o do this hang the top latch of the repeater into the DIN rail and press the underside onto the rail as shown in Fig 8 until the latch clicks in Note You can remove the repeater from the DIN rail by unlocking the snap lock with a screwdriver as shown in Fig 9 26 Fig 8 Mounting a repeater on a DIN rail Fig 9 Removing the repeater from a DIN rail OZD Profi 12M PRO Version 1 0 05 08 4 Setting Up 4 6 Setting compatibility operating mode and transmitting powerpower 4 6 Setting compatibility operating mode and transmitting power Please note The OZD Profi 12M PRO must be switched off when changing the operating mode You can switch off the OZD Profi 12M PRO by e g unplugging the 7 pin terminal block 4 6 1 Setting the compatibility The DIL switch S7 is used to switch the functional compatibility to devices of the preceding generation OZD Profi P3a P4a G3a G4a G3a 1300 and G4a 1300 either off or on Default setting at S7 is Position 0 compatibility is switched off DIL switch S7 compatibility in Position 0 compatibility to OZD Profi P3a OZD Profi P4a OZD Profi G3a OZD Profi G4a OZD Profi G3a 1300 and OZD Profi G4a 1300 switched off DIL switch S7 compatibility in Position 1
52. onfiguration Please note Single terminals or entire PROFIBUS segments with max 31 subscribers can be connected to the electrical interface of the OZD Profi 12M PRO 3 1 Line topology Terminal unit s Terminal unit s bus segment bus segment I OZD ozp P11 PRO P12 PRO G11 1300 PRO g on D Fig 2 Network structure in an optical line topology OZD Profi 12M PRO Version 1 0 05 08 G12 1300 PRO Ch2 Ch3 In areas with a high EMC incidence only lay opti cal fiber lines in order to exclude the possibility of EMC affecting the whole network Optically only OZD Profi 12M PRO of the same type can be connected together OZD Profi 12M P11 PRO with P12 PRO OZD Profi 12M G11 PRO with G12 PRO and G12 EEC PRO OZD Profi 12M G11 1300 PRO with G12 1300 PRO and G12 1300 EEC PRO Optical channels which are connected by optical fiber must be set to the same operating mode Junctions between different OZD Profi 12M PRO types are only possible via the RS485 interface OZD Profi 12M G12 1300 EEC PRO can be used everywhere in those network topologies described below in which a OZD Profi 12M G12 1300 PRO can also be used Terminal unit s bus segment __ OZD P11 PRO G11 1300 PRO Ch 1 orc 3 Network Topologies 3 1 Line topology In a line structure the individual OZD Profi 12M PRO ar
53. or bus connections outside buildings The shield of the bus cable together with the func tion ground connection must be connected to an equipotential rail in the switch cabinet The equipo tential rails of the switch cabinets which are connec ted to one another by means of an electrical RS 485 bus cable must have a low impedence connection to one another The function ground of the repeater is effected by means of the amp connection of the screw terminal block on top of the device 4 10 Connecting the signal contact lines optional On the 7 pin terminal block on the top of the repeater the unconnected pins of a relay can be used as signal contacts When the OZD Profi 12M PRO is working correctly the contact is closed If there is an error or a power failure the contact is opened Note To connect the signal contact lines the 7 pin screw terminal block on top of the device can be released from the device The following problems with the network and the repeater can be signalled by means of the signal contact Supply voltage interrupted incorrectly connected Internal device errors Received data no input signal at channel 2 optical no input signal at channel 3 optical faults on channel 1 electrical Redundant optical ring interruption of an optical fiber a repeater fails For a detailed description of the faults signaled see chap 5 page 35 32 Threshold
54. r is defective Table 2 What the LED indicators and signaling contacts mean 36 OZD Profi 12M PRO Version 1 0 05 08 5 Help with problems 5 2 Troubleshooting 5 2 Troubleshooting 5 2 1 Troubleshooting after signaling via LED or signal contact This chapter helps you to localize faults after they have been indicated by LEDs or signal contacts Please also refer to the description of the LED indicators in 5 1 p 35 and 5 2 2 p 38 Fault indicated on the system LED See description of the LED indicators in 5 1 p 35 Fault indicated on CH1 Check the following the DIL switch SO is in Position 1 if the OZD Profi connected to the electrical star segment of a star topology see Chap 3 3 Star topology p 17 the fault is still displayed after removal of the RS485 connector Still displayed Device is defective Replace the OZD Profi No longer displayed The fault lies in the RS485 bus segment Check all RS485 connectors as described in 4 7 Connecting the optic bus cables p 30 the structure and shielding of the RS485 bus segment the RS485 bus segment using a PROFIBUS bus monitor the configuration of all bus subscribers This is not the case if the monomaster of a PROFI BUS network is connected to the RS485 bus segment which is to be examined Replace the OZD Profi con cerned with another OZD Profi from the network and then carry out the test described above If the OZD Profi stil
55. ration of redundant optical rings The following configuration conditions must be fulfilled in the redundant optical ring for details see Chap 3 2 Redundant optical ring p 15 1 Configuration of a non existent bus subscriber 2 Increasing the retry value to at least 3 3 Checking and adjusting the slot time Use the user specific profile of the configuration tool to set the parameters under 2 and 3 Calculate the slot time with the following equation Slot time a b Length or c Number ozp Slot time is the monitoring period in bit times Length or is the sum of all the optical fiber lines segment lengths in the net work The length must be given in km Number ozp is the number of OZD Profi 12M PRO in the network The factors a b and c are dependent on the transmission rate and are listed in the tables below Data rate a b Data rate a b c 12 MBit s 1 1651 240 28 12 MBit s 1 1651 240 28 6 MBit s 1 951 120 24 6 MBit s 1 951 120 24 3 MBit s 551 60 24 3 MBit s 1 551 60 24 1 5 MBit s 351 30 24 1 5 MBit s 2011 30 24 500 kBit s 251 10 24 500 kBit s 771 10 24 187 5 kBit s 171 3 75 24 187 5 kBit s 771 3 75 24 93 75 kBit s 171 1 875 24 93 75 kBit s 451 1 875 24 45 45 kBit s 851 0 909 24 45 45 kBit s 851 0 909 24 19 2 kBit s 171 0 384 24 19 2 kBit s 181 0 384 24 9 6 kBit s 171 0 192 24 9 6 kBit s 171 0 192 24 Table 3a Constants for calculating the slot time at DP standard
56. rk on this device or in its vicinity This personnel must be thoroughly familiar with all the warnings and maintenance procedures in accordance with this operating manual The proper and safe operation of this device depends on proper handling during transport proper storage and assembly and conscientious operation and maintenance procedures Never start operation with damaged components Warning Any work that may be required on the electrical installation may only be carried out by personnel trained for this purpose A Warning LASER CLASS 1 in compliance with IEC 60825 1 2001 A Correct operation Please note the following Warning The device may only be used for those purposes specified in the catalog and in the technical description and only in combination with external devices and components approved by Hirsch mann The proper and safe operation of this pro duct depends on proper handling during transport proper storage and assembly and conscientious operation and maintenance procedures Safety instructions for supply voltage Only switch on the device when the housing is closed Warning The devices may only be connected to the supply voltage shown on the type plate The devices are designed for operation with safety extra low voltage Accordingly only PELV circuits or SELV circuits with voltage restrictions in line with IEC EN 60950 may be connected to the supply voltage connections and the sig
57. terference voltages can affect electronic devices The interference voltages of inductances must be limited at their source of emission by means of fuses by connecting diodes or RC elements Only use interference suppressors which are intended for the used relays and fans Cabinet lighting Use filament lamps e g LINESTRA lamps for the cabinet lighting Do not use fluorescent lamps because they generate interference fields If the use of fluores cent lamps cannot be avoided the interference suppression measures shown in Fig 5 must be implemented Please note Between an OZD Profi 12M PRO and a power switching element e g contactor relay temperature regulator switch etc a minimum separation of 15 cm is to be maintained This minimum separation is to be measured between the outer edges of the components and in all direc tions around an OZD Profi 12M PRO The power supply wires 24 V DC and 0 V for the OZD Profi OZD Profi 12M PRO must not be laid in the same cable duct as cables for load circuits The wires 24V DC and 0 V should be twisted together 4 Setting Up 4 1 Installation guidelines Standard recommendations for the arrangement of devices and cables EN 50174 2 contains recommendations for arranging devices and cables which are aimed at reducing mutual interference to a minimum Using bus line shields It is important to observe the following when shielding bus lines Use only
58. the installation notes in 4 7 Connecting the electric RS 485 bus lines p 30 The following functions are only available for the optical channels Whether the functions can be activated depends on the operating mode which has been set Please refer to the following chapters for details 2 General Functions 2 2 Operating mode related functions Line monitoring with echoes The repeaters enable the connected optical paths to be actively monitored for interruptions in the fiber line by means of the functions Send echo Monitor echo and Suppress echo Send echo A frame which is received by a repeater via any channel is transmitted to all other channels If the receiving chan nel is an optical channel the repeater sends the frame back to the corresponding optical sender Monitor echo If arepeater sends a frame no echo to an optical channel the repeater expects to receive an echo Ifthe echo is not received after a predefined time an echo monitoring error is indicated by ared LED belonging to the channel Suppress echo The relevant receiver is separated from the other chan nels from the moment a frame is sent until the echo has been received correctly 12 Segmentation If an echo monitoring error or a frame falsification arises at an optical channel the repeater assumes that the line is faulty and blocks this channel for user data The connected field bus partial network is then segmented c
59. tion Leave S5 in Position 1 default if the m optical fiber link to CH2 functions correctly in this position S6 B i CH 3 S5 CR CH 2 Notes When using OZD Profi 12M G1x 1300 EEC PRO transmission power must be set to Default S5 S6 in Position 1 When using PCF fibers transmission power must be set to Default S5 S6 in Position 1 for 660 nm to Reduced S5 S6 in Position 0 for 850 nm S6 has no function on devices with only one optical channel OZD Profi 12M PRO Version 1 0 05 08 Note This operating mode must always be set at both of the optical channels of a repeater The DIL switch S5 is used to set the transmitting power of CH2 The DIL switch S6 is used to set the transmitting power of CH3 Switch S6 to Position 0 reduced if over loading is detected at a non OZD Profi device at CH3 Switch S5 to Position 0 reduced if over loading is detected at a non OZD Profi device at CH2 29 4 Setting Up 4 7 Connecting the optic bus cables 4 7 Connecting the optic bus cables Connect the individual repeaters using a duplex F O cable with BFOC 2 5 ST connectors Note the maximum length of the F O cables and the possible fiber types specified in the technical data Ensure that one optical input and one optical output are connected to one another crossover connection The sticker on the si
60. uced 13 dBm transmitting power Default 17 dBm in PCF fiber S 980 1000 transmitting power Reduced 10 dBm transmitting power Default 5 dBm Receiver sensitivity 25 dBm 30 dBm 29 dBm Receiver overload limit 0 dBm 0 dBm 3dBm OZD Profi 12M PRO Version 1 0 05 08 43 7 Technical Data OZD Profi 12M PRO P11 G11 G11 1300 P12 G12 G12 1300 G12 EEC G12 1300 EEC Transmission distance with glass fiber E 10 125 Default 0 5 dB km 0 15000 m with glass fiber G 50 125 Default 860 nm 3 0 dB km 1310 nm 1 0 dB km 0 3000 m 0 10000 m with glass fiber G 62 5 125 Default 860 nm 3 5 dB km 1310 nm 1 0 dB km 0 3000 m 0 10000 m with PCF fiber S 200 230 660 nm 10 0 dB km 860 nm 8 0 dB km 0 400 m4 0 1000 m 0 1000 m 0 800 m for 12 Mbit s with PCF fiberr S 980 1000 0 2 dB m Transmitting power Reduced 0 50m Transmitting power Default 0 80 m Optical connector BFOC 2 5 Electromagnetic compatibility EMC Interference immunity for industry in accordance with EN 61000 6 2 2001 Electrostatic discharging ESD Electromagnetic field Fast transients burst Voltage surge Line conducted interference voltages conforms to EN 61000 4 2 4 kV contact discharge 8 kV air discharge conforms to EN 61000 4 3 10 V m 80 MHz 1000 MHz 1400 MHz 2000 MHz conforms to EN 61000 4 4 2 k
61. ut off This segmentation causes the repeater at the other end of the optical fiber to be segmented as well Both repeaters connected to the segmented field bus partial network send test frames to the segmented channels These test frames which are to be received regularly can be used by both repeaters to check the status of the field bus partial network The segmentation is automatically lifted as soon as the test frames indicate to both repeaters that the segmen ted field bus partial network is no longer disturbed If all active bus subscribers are deactivated ina previously active network the repeaters are segmented cyclically in order to check the fiber links to the neigh boring repeaters If there is no frame traffic but the fiber links are intact the channel LEDs of the optical channels flash yellow cyclically OZD Profi 12M PRO Version 1 0 05 08 3 Network Topologies 3 1 Line topology 3 Network Topologies The following network topologies can be realized with the OZD Profi 12M PRO Point to point connections Line topologies Star topologies Redundant optical rings Combinations of these basic types are also possible Lines with two optical fibers are used to create the fiber links for these network topologies If a malfunction e g a break in a fiber line makes a high degree of field bus network fail safety necessary the availability of the network can be increased using a redundant network c
62. values of relay contact maximum switching voltage 60 VDC 42 VAC maximum switching current 1 0 A maximum switching capacity 30 W ohmic load The voltage connected to the relay must correspond to a safety extra low voltage SELV in accordance with IEC EN 60950 and the regulations of NEC Class 2 in accordance with UL CSA certification Please be sure to use the correct pin assignment for the 7 pin terminal block Make sure that the electrical insulation of the connection cables of the signal cont acts is sufficient Incorrect connections can destroy the repeater FAULT 99899888 J Fig 12 Signal contact pin assignment on the 7 pin terminal block OZD Profi 12M PRO Version 1 0 05 08 4 Setting Up 4 11 Connecting the analog voltage outputs optional 4 11 Connecting the analog voltage outputs optional The device has two analog voltage outputs CH2 and CH3 each of which supplies a short circuit proof output voltage dependent on the optical power input at channel 2 or channel 3 for diagnosis purposes and for example for preventative maintenance in the range from 0 5 V each with reference to GND of the 3 pin terminal block The analog voltage outputs are electrically connected to the front panel function ground These voltage outputs are connected using a 3 pin screw terminal on the front side of the repeater The screw terminal is suitable for cable leads

Manual PROFIBUS Rail Repeater OZD Profi 12M G12 PRO - L-com

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