Hirschmann OZD Profi 12M Скачать руководство пользователя страница 30 | Manualshive

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5 LED Indicators and Troubleshooting

5.2 Troubleshooting

30

Version 2.4 04/07

– The levels at

both

OZD Profi of the disturbed

optical fiber segments are in the range ”Optical
system reserves reduced“ or ”Normal mode": one
of the two OZD Profi in the disturbed optical fiber
segments is defective.

䊳

First replace one of the OZD Profi in the dis-

turbed optical fiber segment. If the fault still
persists, replace the other OZD Profi instead.

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Содержание OZD Profi 12M

Страница 1: ...System OZD Profi 12M Receive Signal Intensity CH1 CH 1 CH2 CH2 GND CH3 CH3 Manual PROFIBUS Repeater OZD Profi 12M ...

Страница 2: ...hmann Automation and Control GmbH to the best of the company s knowledge Hirschmann reserves the right to amend the contents of this Description and Operating Instructions without prior notice Hirschmann cannot provide any warranty or guarantee with regard to the correctness or accuracy of the information contained in this Description and Operating Instructions Under no circumstances can Hirschman...

Страница 3: ...ility operating mode and transmitting power 17 4 4 1 Setting the compatibility 17 4 4 2 Setting the operating mode 18 4 4 3 Reducing the optical transmitting power on the OZD Profi 12M P11 19 and OZD Profi 12M P12 4 5 Installation 20 4 5 1 Installation guidelines 20 4 5 2 Connecting the optical lines 22 4 5 3 Mounting the modules 22 4 5 4 Connecting the electric RS 485 bus lines 24 4 5 5 Connectin...

Страница 4: ...4 04 07 8 Appendix 33 8 1 FCC conformity 35 8 2 FM approval 35 8 3 Ex approval 35 8 4 UL CSA Zulassung 35 8 5 C Tick 36 8 6 Literature notes 36 8 7 List of abbreviations 36 8 8 Measuring sockets 37 9 Application Support 38 ...

Страница 5: ...reby increasing the fail safety of the field bus network Each module has two or three mutually independent ports which in turn consist of a transmitting and a receiving component The device is powered by 24V DC voltage A redundant feed increases operational safety The electric port is a 9 pole Sub D socket female An RS 485 bus segment in line with the PROFIBUS standard EN 50170 can be connected to...

Страница 6: ...itable for employment in the standard temperature range from 0 C to 60 C the OZD Profi 12M G12 EECC 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 P11 P 12 G11 G12 G11 1300 G12 1300 G12 EEC G12 1300 EEC Number of ports electrical 1 1 1 1 1 1 optical 1 2 1 2 1 2 Fiber types Plastic optical fibers 980 1000 µm ...

Страница 7: ...ion This bus subscriber serves as the frame source The OZD Profi 12M 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 port LED which then lights up The operating mode is set using switches located on the top of the module A sticker attached to the side of the m...

Страница 8: ...eived correctly Segmentation If an echo monitoring error or a frame falsification arises at an optical port the module assumes that the line is faulty and blocks this port for user data The connected field bus partial network is then segmented cut off This segmentation causes the module at the other end of the optical fiber to be segmented as well Both modules connected to the segmented field bus ...

Страница 9: ...y opti cal fiber lines in order to exclude the possibility of EMC affecting the whole network 䡲 Optically only OZD Profi 12M of the same type can be connected together OZD Profi 12M P11 with P12 OZD Profi 12M G11 with G12 and G12 EEC OZD Profi 12M G11 1300 with G12 1300 and G12 1300 EEC 䡲 Optical ports which are connected by optical fiber must be set to the same operating mode 䡲 Junctions between ...

Страница 10: ...igned must be switched to the operating mode Line without fiber link monitoring so that it does not signal a break in the fiber line Please note that optical ports which are not connected must always be fitted with protective caps to guard against extraneous light and dirt In a line structure the individual OZD Profi 12M are connected together by dual fiber optical fibers Modules with one optical ...

Страница 11: ... 12M 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 䡲 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 ...

Страница 12: ...S0 1 S0 1 S0 1 S0 1 RS 485 bus line Optical fiber Several modules are combined to form an active PROFI BUS star coupler Other modules are connected to this by dual fiber optical fiber lines The modules of the star coupler are connected to one another via the electrical port electrical star segment All OZD Profi types for different fiber types plastic PCF glass can be combined using the electrical ...

Страница 13: ...n the bus port connectors see 4 5 4 Connecting the electric RS 485 bus lines p 24 at both ends of the electrical star segment 䡲 Do not connect a bus subscriber to the electrical star segment wherever possible Modules with one or two optical ports can be used to create an active PROFIBUS star coupler Modules with one optical port are sufficient for connecting a terminal or an RS 485 bus segment to ...

Страница 14: ...ossible in the event of a malfunction 䡲 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...

Страница 15: ...alues given in the Technical Data can be complied with WARNING Do not look directly into the aperture of the optical transmitting diode or the optical fiber The light beam which is emitted could endanger your eyesight WARNING All OZD Profi 12M are approved for use in Zone 2 explosive hazardous areas as defined by EEx nC L IIC T5 If used in those areas the modules must be installed in a housing swi...

Страница 16: ...e with pre moun ted bus connector 䊳 Connect the optical bus lines 4 2 Notes on CE marking The PROFIBUS Repeater OZD Profi 12M complies with the specifications of the following European Directive as well as with the harmo nized European Standards EN quoted therein 89 336 EEC Council Directive on the Approximation of the Laws of Member States relating to Electro magnetic Compatibility amended by Dir...

Страница 17: ...mpatibility to OZD Profi modules of the preceding generation OZD Profi P3a P4a G3a G4a G3a 1300 and G4a 1300 is switched on with the DIL switch S7 1 This operating mode is required when operating this module together with new devices Only turn switch S7 to Position 1 if the OZD Profi 12M is being used as a spare or expansion device in existing networks in conjunction with OZD Profi of the precedin...

Страница 18: ... 1 S6 S7 S1 S2 S4 S5 S3 CH 3 CH 2 CH 3 CH 2 S0 CH 1 0 1 S6 S7 S1 S2 S4 S5 S3 CH 3 CH 2 CH 3 CH 2 S0 CH 1 4 4 2 2 Setting the operating mode of the optical ports CH2 CH3 The operating mode can be set individually for each optical port 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 m...

Страница 19: ... case the optical transmitting power can be reduced 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 S6 does not have a function on the OZD Profi 12M P11 Leave S6 in Position 1 default if the optical fiber link to CH3 functions correctly in this position Leave S5 in Position 1 default if the optical fiber link to CH2 func...

Страница 20: ...lines as well as the interference suppression of switched inductances play a major role in limiting interference 4 5 Installation Shield grid over lamp Shielded cable Metal encased switch Mains filter or shielded mains cable Fig 6 Interference suppression of fluorescent lamps in cabinet Arrangement of devices and cables 䡲 Reducing interference by providing adequate space A simple yet effective way...

Страница 21: ...ecommendations for the arrangement of devices and cables EN 50174 2 contains recommendations for arran ging devices and cables which are aimed at redu cing mutual interference to a minimum 䡲 Using bus line shields It is important to observe the following when shielding bus lines 䡲 Use only fully shielded lines The shields of these lines must be of sufficient thickness to satisfy the legal requirem...

Страница 22: ...ecurely attached bayonet fastener must be slotted in that with single mode optical fiber the BFOC plug spike is fully pushed into the optical fiber cable sockets If necessary make sure that the optical fibers are contacted correctly by gripping the reinforcing sleeve and pushing the connector into the socket 䊳 Ensure that there is sufficient strain relief on the optical fiber line and pay attentio...

Страница 23: ... on the mounting plate of a switch cabinet 䊳 Drill three holes in the mounting plate corresponding to the drilling template in Fig 8 䊳 Secure the modules with machine bolts e g M 3 x 40 䊳 Ensure that there is a reliable electrical connection between the module housing and the mounting plate Place toothed washers under the bolt heads to pierce the varnish Locking slide Fig 9 Mounting a module on a ...

Страница 24: ...nect a single device 䊳 All PROFIBUS bus connector plugs in a network must be securely screwed onto the RS 485 interfaces 䊳 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 䊳 Attach or remove the RS 485 bus connector plug quickly and without twisting them 䊳 Remov...

Страница 25: ...ring to take place Clips on the terminal block ensure that it is securely attached to the device and simultaneously provide polarity reversal protection 4 5 6 Connecting the signaling contact lines The terminal block can be removed from the device to connect the lines A relay with unconnected contacts as signaling contacts is fitted to the 5 pin terminal block on the top of the module This signals...

Страница 26: ...e carried out limit value Further information can be found in Appendix 8 7 Measuring sockets p 37 Only an ungrounded high resistance voltmeter may be used to take measurements The reference potential socket may not be connected to the OZD Profi 12M housing 䊳 Pin assignment 5 pin terminal block terminals F1 and F2 䊳 Always ensure that the pins are correctly assigned at the 5 pin terminal block Make...

Страница 27: ...BUS standard 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 terminated at one end Transmission rate recognized but the network slot time could not be determined network parameter HS...

Страница 28: ...ptical fiber If one of the operating modes Line with optical fiber link monitoring has been set no PROFIBUS frames are received at the optical port There is no malfunction in the OZD Profi or the optical fiber Transmission rate has been recognized LED System lights green or flashes red green No transmitting bus subscriber present optical fiber connection is OK Send and receive optical fibers have ...

Страница 29: ... OZD Profi does not malfunction elsewhere the fault lies in the RS485 bus segment Carry out the measures described above Fault indicated on CH2 CH3 1 Check the following 䊳 optically only modules of the same type are con nected together see 3 Network topologies p 9 䊳 the optical fiber has been approved for the module type being used and that it does not exceed the per mitted length see Table 1 p 6 ...

Страница 30: ...disturbed optical fiber segments are in the range Optical system reserves reduced or Normal mode one of the two OZD Profi in the disturbed optical fiber segments is defective 䊳 First replace one of the OZD Profi in the dis turbed optical fiber segment If the fault still persists replace the other OZD Profi instead ...

Страница 31: ... c Number OZD 䡲 Slot time is the monitoring period in bit times 䡲 Length OF is the sum of all the optical fiber lines segment lengths in the net work The length must be given in km 䡲 Number OZD is the number of OZD Profi 12M 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 c 12 MBit s 1 1651 240 28 6 MBit s 1 951 120 24 3 ...

Страница 32: ...alue the OZD Profi 12M will through it s fault function and fault indications indicate such The System LED will blink red green 1 Using the OZD Profi 12M G11 1300 EEC and G12 1300 EEC 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 tBit 6 MBit s 2000 tBit 3 MBit s 1000 tBit 1 ...

Страница 33: ...timer Input Port 1 to 3 Signal distortion 30 Bit length 0 12 Output Port 1 to 3 Mean bit length 0 01 Safety VDE regulation VDE 0805 EN 60950 und IEC 60950 UL CSA approval UL 1950 CSA 950 FM approval CLASS I DIV 2 GROUP A B C und D T5 Ex approval EEx nC L IIC T5 TA 0 C 60 C Electrical port Input output signal RS 485 level Input dielectric strength 10 V to 15 V PIN assignment port 1 in accordance wi...

Страница 34: ... power supply lines and shielded Burst RS 485 bus lines 2 kV EN 61000 4 4 Immunity against line conducted disturbance On power supply lines 1 kV symmetrical Surge On shielded RS 485 bus lines 2 kV asymmetrical EN 61000 4 5 Climatic ambient conditions Ambient temperature IEC 68 2 1 IEC 68 2 2 0 C to 60 C 20 C to 60 C at OZD G12 EEC 1 IEC 68 2 1 IEC 68 2 2 Storage temperature 40 C to 70 C IEC 68 2 1...

Страница 35: ...ular installation If this equipment does cause harmful inter ference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet ...

Страница 36: ...e Peripherie DP EIA Standard RS 485 April 1983 Standard for electrical characteristics of generators 8 7 List of abbreviations BFOC Bajonet Fiber Optic Connector DIN Deutsche Industrie Norm German Industrial Standard EEC Extended Environmental Conditions EIA Electronic Industries Association EN Europäische Norm European Standard EMC Electromagnetic Compatibility HCS Hard Polymer Cladded Silica Fib...

Страница 37: ...ing sockets is subject to many influencing factors such as 䡲 the strength of the transmitting power of the partner OZD Profi 䡲 the ambient temperature of the optical sender and receiver 䡲 attenuation of the transmitting link 䡲 the transfer rates being used The measuring sockets are therefore not intended as a substitute for a calibrated level measuring device with a calibrated light source The rea...

Страница 38: ... Support 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 ans support hirschmann de Internet http www hirschmann com ...

Страница 39: ... 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 com 039 629 001 E 04 0407 Printed in Germany ...

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