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Hirschmann OZD Profi 12M G12 PRO Manual Download Page 17

3.3 Star topology

17

3 Network Topologies

Version 04  05/2014

3.3 Star topology

Fig. 4: Network structure in an optic star topology

Ch 1

Ch 2

Terminal unit(s) /

bus segment

OZD … 
P1

1

 PRO

G1

1 

(-1300) PRO

Ch 1

Ch 2

Terminal unit(s) /

bus segment

OZD … 
P1

1

 PRO

G1

1 

(-1300) PRO

Ch 1

Ch 2

Terminal unit(s) /

bus segment

OZD … 
P1

1

 PRO

G1

1 

(-1300) PRO

Ch 1

Ch 2

Terminal unit(s) /

bus segment

OZD … 
P1

1

 PRO

G1

1 

(-1300) PRO

Ch 1

Ch 2

Terminal unit(s) /

bus segment

OZD … 
P1

1

 PRO

G1

1 

(-1300) PRO

Ch 1

Ch 2

OZD … 
P1

1

 PRO

G1

1 

(-1300) PRO

Ch 1

Ch 2

OZD … 
P1

1

 PRO

G1

1 

(-1300) PRO

Ch 1

Ch 2

OZD … 
P1

1

 PRO

G1

1 

(-1300) PRO

Ch 1

OZD … 
P1

2

 PRO

G1

2 

(-1300) PRO

Ch 3

Ch 2

Electrical star segment

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. 

Please note:

䡲

CH1 in mode ”Monitor off“ (S0 = 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.

Summary of Contents for OZD Profi 12M G12 PRO

Page 1: ...System OZD Profi 12M PR0 0 1 S6 S7 S4 S5 S3 S2 S1 S0 CH1 CH2 CH3 CH2 GND CH3 Receive Signal Intensity CH1 Manual PROFIBUS Rail Repeater OZD Profi 12M G12 PRO...

Page 2: ...ion 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 pr...

Page 3: ...zone 2 according to ATEX 94 9 EG 23 4 3 Use in North America 23 4 4 Installation procedure 25 4 5 Installing repeater 26 4 6 Setting compatibility operating mode and transmitting power 27 4 6 1 Setti...

Page 4: ...ays 35 5 2 Troubleshooting 37 5 2 1 Troubleshooting after signaling via LED or signal contact 37 5 2 2 Systematic troubleshooting 38 5 3 Problem reporting 39 5 4 Contact address 40 6 Configuration 41...

Page 5: ...ructed in the care and use of appropriate safety equipment in accordance with the current stan dards of safety engineering trained in providing first aid General safety instructions D This device is o...

Page 6: ...mann 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...

Page 7: ...l 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 o...

Page 8: ...ination 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...

Page 9: ...ion 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 wi...

Page 10: ...tended environmental conditions can be used in the extended temperature range from 20 C to 60 C and at up to 100 humidity Compatibility with other PROFIBUS repeaters The devices are fully compatible w...

Page 11: ...cked If the transmission rate changes during operation this is detected by the repeaters which then automatically adjust their settings accordingly Transfer malfunctions may temporarily occur while th...

Page 12: ...rame 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...

Page 13: ...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...

Page 14: ...ot assigned 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 channels which are not connec ted mu...

Page 15: ...o 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 moni...

Page 16: ...as possible in the event of a malfunction 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 transitio...

Page 17: ...300 PRO Ch 1 OZD P12 PRO G12 1300 PRO Ch 3 Ch 2 Electrical star segment Several repeaters are combined to form an active PROFI BUS star coupler Other repeaters are connected to this by dual fiber opti...

Page 18: ...ters 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...

Page 19: ...nterference suppression of switched inductances play a major role in limiting interference 4 1 Installation guidelines Shield grid over lamp Shielded cable Metal encased switch Mains filter or shielde...

Page 20: ...dard 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 b...

Page 21: ...used if this is not possible 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...

Page 22: ...les 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...

Page 23: ...V DC 195 130 mA Fault relay contacts max 60 V DC 42 V DC 1 A max 30 W resistive load 4 3 Use in North America Relevant information for use in Hazardous Locati ons according to ISA 12 12 01 Only for c...

Page 24: ...EXPLOSION HAZARD SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR HAZARDOUS LOCATIONS OR EXPLOSIVE ATMOSPHERES WARNING EXPLOSION HAZARD DO NOT DISCONNECT EQUIPMENT UNLESS POWER HAS BEEN SWITCHED...

Page 25: ...ing 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 cab...

Page 26: ...ct 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 To do this hang the top latch of the...

Page 27: ...lity in Position 1 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 0 1 S6 S7 S1 S2 S4 S5 S3 S0 0 1 S6 S7 S1 S2 S4 S5 S3 S...

Page 28: ...pology 0 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 6 2 2 Setting the operating mode of the optical channels CH2 CH3 The operating mode c...

Page 29: ...e lengths are used In this 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...

Page 30: ...st which gets in can render the optical components unusable Channel 3 Channel 2 J a J a Fig 10 Location of optical channels 2 and 3 with their respective inputs and outputs 4 7 Connecting the optic bu...

Page 31: ...om 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 inter...

Page 32: ...ion 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 conn...

Page 33: ...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...

Page 34: ...V L2 0 V Fig 14 Operating voltage supply pin assignment on the 7 pin screw terminal block There are LEDs on the front of the device for diagnostic purposes They are explained in chapter 5 1 p 35 4 13...

Page 35: ...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...

Page 36: ...he 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 t...

Page 37: ...0 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...

Page 38: ...trical 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...

Page 39: ...nts 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 TSDR 7 What is the...

Page 40: ...40 Contact address for technical support Hirschmann Automation and Control GmbH Stuttgarter Strasse 45 51 72654 Neckartenzlingen Germany Tel 49 0 1805 14 1538 Fax 49 0 7127 14 1551 E mail HAC Support...

Page 41: ...d in bit times Length OF is the sum of all the optical fiber lines segment lengths in the net work The length must be given in km Number OZD is the number of OZD Profi 12M PRO in the network The facto...

Page 42: ...the OZD Profi 12M PRO 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 PRO and G12 1300 EEC PRO at data rates...

Page 43: ...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 10 9 Signal processing time any input output _6 5 t Bit Retimer Input channel 1 to 3 Signal...

Page 44: ...EN 61000 4 5 1 kV data line 1 kV power line symmetrical 1 kV power line asymmetrical Line conducted interference voltages conforms to EN 61000 4 6 10 V 150 kHz 80 MHz Emitted interference conforms to...

Page 45: ...requency change 1 octave min 10 cycles per axis along all 3 spatial axes In accordance with IEC 60068 2 6 test Fc Shock 15 g half sine for 11 ms 3 Shocks in pos and neg direction along all 3 spatial a...

Page 46: ...and Control GmbH Stuttgarter Strasse 45 51 72654 Neckartenzlingen Germany Tel 49 0 1805 14 1538 Fax 49 0 7127 14 1551 E mail HAC Support Belden com Internet http www hirschmann com 039 690 001 E 04 05...

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