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Influence due to

"cross talking"?

Error

Cause

Correction

Transmission error

Influence resulting from
data transmission paths
arranged adjacent to or
one behind the other!

Check the minimum
distance of the data
transmission paths and
ensure that paths are
arranged with offset
frequencies
(see Chapter 6.2.1)

Is the shielding

faulty (INTERBUS)?

Error

Cause

Correction

Transmission error

Earthing line not
connected!
Not all of the system’s
earthing lines are at the
same potential,
compensating currents
are flowing!

Check earthing-line
connections and
shielding
(see Chapter 6.4.1)

Are you using

the correct cable?

Error

Cause

Correction

Transmission error

The cables have the
wrong intrinsic
impedance!

The cable must be
selected with respect to
the baud rate
(see Chapter 5.2).

Have you installed the bus

cable correctly?

Error

Cause

Correction

Transmission error

You have installed stub
lines in your system!

The bus cable must be
passed from one node
to the next using serial
connections

8.2

Other errors

Interference fields

Ensure that no strong electromagnetic fields are located in the immediate vicinity of
the devices!

Light axes

The light axes must not be interrupted at any point in time!

DDLS 170

Leuze electronic

Содержание DDLS 170

Страница 1: ...Serial Optical Data Transmission with Bus Capability DDLS 170 Technical Description...

Страница 2: ...bution and translation Duplication or reproduction in any form print photocopies microfilm or data may only be carried out with the expressed written consent of Leuze electronic GmbH Co We reserved th...

Страница 3: ...on 11 3 7 Application examples 13 3 7 1 Examples of use in principle 13 3 7 2 INTERBUS 15 3 7 3 RS422 Point to point connection 16 3 7 4 Profibus MPI FMS DP mixed operation FMS DP 17 3 7 5 Suconet K 2...

Страница 4: ...tch 1 41 7 3 3 Termination switch 2 41 8 Error Diagnosis Failures and Troubleshooting 42 8 1 Errors during commissioning 42 8 2 Other errors 44 9 Maintenance 45 9 1 General maintenance information 45...

Страница 5: ...ta transmission system can be found in the Appendix Chapters A E Designation DDLS 170 1 or DDLS 170 2 1 1 Explanation of symbols The following is an explanation to symbols used in this technical descr...

Страница 6: ...d received only Transparent The data transmission units function as passive transmission members in a bus sy stem The telegram structure is transmitted optically without being altered The transmitted...

Страница 7: ...nfrared range The data transmission units may not be used in areas where interruption of data transmission e g as a re sult of blocked transmitter or receiver lens could lead to damage or injury may n...

Страница 8: ...s Technical Description without fail particularly the section entitled Safety remarks Carefully store this operating manual It should be accessible at all times Safety regulations Observe the locally...

Страница 9: ...mitter and a receiver e g DDLS 170 120 1110 and DDLS 170 120 1110 3 2 Characteristics of the DDLS 170 The widespread use of bus systems in nearly all branches of industry requires data transmission sy...

Страница 10: ...age and retrieval units By switching off the transmitter and receiver during travel through curves other optical sy stems are not influenced and faulty data transmission does not occur as the re sult...

Страница 11: ...g screws 2 2 INTERBUS Profibus Suconet K interface module 3 Bi directional transmitter 4 Fastening screws 2 5 Remote multifunction LED display multifunction display red red blinking 6 Remote multifunc...

Страница 12: ...by the following features Protocol Transmission of the following Profibus protocols is possible MPI Multi Point Interface 187 5 kbit s FMS Field Message System DP Decentralized periphery FMS DP Mixed...

Страница 13: ...s Fig 3 FSK modulation The receiver filters the frequencies from the received signal and transforms them back into bit sequence Bit errors in the transmission caused for example by light flashes from...

Страница 14: ...Fig 4 Display of reception quality Transmit Receive By means of an LED each DDLS 170 indicates whether it is transmitting and or re ceiving data at the moment LED 1 red Transmit data LED 2 green Rece...

Страница 15: ...f the data In the application of optical data transmission a distinction is made between Coupling to bus systems Point to point connections 3 7 1 Examples of use in principle One data path horizontal...

Страница 16: ...bay warehouse with several moving axes and several data transmission paths is possible horizontal movement in the aisle and vertical raising lowing Fig 9 High bay warehouse two data paths DDLS 170 xxx...

Страница 17: ...mit and receive data simultaneously Examples Transmission of control parameters desired actual values from the master to the node and vice versa Vehicle control in a stationary switch cabinet Communic...

Страница 18: ...kbit s no adjustment necess Full duplex operation transmit and receive data simultaneously Example of use Use on transport vehicles sidetracking skates e g control of trucks and cranes Fig 11 Truck Ad...

Страница 19: ...e DDLS 170 with which the following Profibus protocols can be transmitted MPI Multi Point Interface 187 5 kbit s FMS Field Message System in accord with DIN 19245 Parts 1 2 DP Decentralized periphery...

Страница 20: ...es connection see Fig 14 Fig 14 Indirect series connection Selector switch during loss of visual contact Located on the Profibus module next to the DIP switches for baud rate adjustment 1 2 and 3 is a...

Страница 21: ...ansmission path is interrupted bus occupation is simulated until visual contact is re established Normal exchange of data then resumes In this way token regeneration on one of the interrupted nodes is...

Страница 22: ...DDLS 170 120 1 1110 and DDLS 170 120 2 1110 120 m DDLS 170 200 1 1110 and DDLS 170 200 2 1110 200 m Interface RS485 interface IM170 1000 built into unit Transmission rate Succonet K K1 and K2 with 18...

Страница 23: ...rminal DDLS 170 xxx 1 1110 DDLS 170 xxx 2 1110 DDLS 170 xxx 1 1110 DDLS 170 xxx 1 1110 DDLS 170 xxx 1 1110 DDLS 170 xxx 2 1110 DDLS 170 xxx 2 1110 DDLS 170 xxx 2 1110 Connected through The connection...

Страница 24: ...ripple 15 Current consumption max 420 mA with interface module Electr connection 11 pole terminal strip Display Remote multifunction display LEDs with lenses Close up multifunction display Bar graph...

Страница 25: ...l beam angle approx 0 5 to the optical axis Environmental conditions Operating temperature 30 C 60 C Storage temperature 35 C 70 C 4 2 Dimensioned drawing Fig 18 Dimensioned drawing of DDLS 170 optica...

Страница 26: ...carrier frequency pair 2 C interface 0 no interface 1 Profibus Suconet K RS485 2 INTERBUS RS422 D beam angle 0 without optics unit 1 0 5 E conn element 0 without connection element 1 Profibus Suconet...

Страница 27: ...RS422 0 5 beam angle Fig 19 complete DDLS 170 unit 5 1 Individual components The following components can also be ordered individually for service and spare part needs Connection element AT170 0010 Co...

Страница 28: ...n 0 34 mm2 min 0 22 mm2 Cable type twisted pairs 1x2 2x2 or 1x4 conductor twisted pairs 1x2 2x2 or 1x4 conductor Resistance 110 W km 110 W km Signal loss max 9 dB over entire line length max 9 dB over...

Страница 29: ...livered quantity device type and model as indicated on the name plate accessories operating manual s Save the original packaging in case the device must be stored or shipped at a later time Should you...

Страница 30: ...nt clean lenses Parallel operation of several data transmission paths When arranged with shifted frequencies two parallel data paths can be operated with a separation 0 3 m see Fig 20 The parallel dis...

Страница 31: ...two units Drill fastening holes for the two adjusting brackets 1 For hole dimensions see the dimensioned drawing in Chapter 4 2 Fasten adjusting brackets 1 Attach DDLS 170 xxx 1 xxxx and DDLS 170 xxx...

Страница 32: ...xxx 2 xxxx The LED indi cates the quality of the received signal When adjusting the DDLS 170 xxx 1 xxxx observe the LED on the DDLS 170 xxx 2 xxxx and vice versa Align the DDLS 170 xxx 1 xxxx with the...

Страница 33: ...which can be indicated by the bar graph is approx 20 m Align DDLS 170 xxx 1 xxxx with the sprung screws 1 on the adjusting bracket 8 mm open end wrench until the maximum number of LEDs for this range...

Страница 34: ...d continuation of the bus line as described in Fig 24 Guide the cables through the appropriate PG cable glands and make the connection Shielding clamps Ensure that the bus cable shielding is connected...

Страница 35: ...e any wires Ensure that the shielding covers as much of the individual wires as possible in the unit Fig 25 DDLS 170 INTERBUS shielding C 47nF Connection assembly Bus terminal DDLS 170 I O module I O...

Страница 36: ...tive 0 7 V transmitter active Terminal 5 Rx DIS receiver deactivation UB receiver inactive 0 7 V receiver active Terminal 6 DI data line INTERBUS System TxD for RS422 interface Terminal 7 DO data line...

Страница 37: ...DO DI COM DO DI 10 1 2 3 6 7 yellow grey brown green pink yellow grey brown green pink DO DI COM DO DI DDLS 170 120 DDLS 170 200 DDLS 170 120 DDLS 170 200 Bus terminal node DI DO COM DI DO DO DI COM D...

Страница 38: ...5 Rx DIS receiver deactivation UB receiver inactive 0 7 V receiver active Terminal 6 B data line Profibus RS485 TxD RxD Suconet K System Terminal 7 A data line Profibus RS485 TxD RxD Suconet K System...

Страница 39: ...LS 170 200 2 A 1 B 7 A 6 B A B A 2 B 1 GND GND 10 10 11 11 UB UB Slave DDLS 170 120 DDLS 170 200 DDLS 170 120 DDLS 170 200 2 A 1 B A B A 2 B 1 A 4 B 1 GND GND 10 10 11 11 UB UB Slave DDLS 170 120 DDLS...

Страница 40: ...0 120 DDLS 170 200 DDLS 170 120 DDLS 170 200 GND GND 10 10 11 11 UB UB DDLS 170 120 DDLS 170 200 DDLS 170 120 DDLS 170 200 TxD RxD TxD RxD 1 TxD RxD 2 TxD RxD 6 TxD RxD 7 TxD RxD TxD RxD TxD RxD TxD R...

Страница 41: ...ed and that the polarities of the data signal and supply lines are cor rect See Chapter 6 3 and the following After switching on the operating voltage the DDLS 170 is immediately ready for data transm...

Страница 42: ...Profibus protocols FMS DP FMS DP as well as for RS485 The RS485 MPI protocol functions only at a transmission rate of 187 5 kbit s The possible transmission rates for Suconet K are 187 5 and 375 kbit...

Страница 43: ...bus occupation is simulated until visual contact with the data transmission units is re established The setting for simulated bus access is shown in the example for the case of visual contact loss 7...

Страница 44: ...erminal blocks Connect supply voltage correctly check lines and terminal blocks Coarse adjustment carried out Error Cause Correction Red LED on the remote multifunction display blinks Strength of rece...

Страница 45: ...see Chapter 7 3 Notice Line length for 9 6 93 75 kbit s up to 1 2 km 187 5 kbit s up to 600 m 500 kbit s up to 200 m Are the terminating resistors correctly switched Profibus only Error Cause Correct...

Страница 46: ...Check earthing line connections and shielding see Chapter 6 4 1 Are you using the correct cable Error Cause Correction Transmission error The cables have the wrong intrinsic impedance The cable must...

Страница 47: ...y clean with a soft cloth Attention Do not use an aggressive cleaning material such as thinner or acetone to clean the device 9 2 Repair Maintenance Repairs to the devices must only be carried out by...

Страница 48: ...46 DDLS 170 Leuze electronic...

Страница 49: ...Appendix applies only to DDLS 170 1 and DDLS 170 2 Leuze electronic DDLS 170 47...

Страница 50: ...ion units DDLS 170 1 and DDLS 170 2 The DDLS 170 is modular is design 1 Main unit DDLS 170 1 2 Main unit DDLS 170 2 3 Connection unit with adjusting bracket and slot for interfaces 4 Interface module...

Страница 51: ...display yellow 10 Receiver 11 Close up multifunction display Bar graph for reception level 10 LEDs 12 Interface monitor LED red transmit data 13 Interface monitor LED green receive data 14 Terminal st...

Страница 52: ...10 LEDs 2 LEDs for data transmission Inputs Receiver deactivation Rx DIS 9 Input signal UB receiver inactive 0 7 V receiver active Outputs Terminal 7 Reception without functional PNP plus switching U...

Страница 53: ...ned drawing Fig Appendix 3 Dimensioned drawing DDLS 170 optical axis 114 optical axis 48 These data are only valid for the previous data transmission systems DDLS 170 1 and DDLS 170 2 Leuze electronic...

Страница 54: ...COM DI DI GND GND with without reserve RX DIS TX EN UB 12 30V 47nF PE PE INTERBUS Plug in bridge removed Shielding connected to PE by means of 47 nF capacitor shielding 1 2 3 4 5 6 7 8 9 10 11 12 B B...

Страница 55: ...s AEG Modicon Bosch Kl ckner Moeller GE Fanuc Klaschka DO yellow 5 4 3 2 1 DO COM DI DI green brown grey pink DI DI COM DO DO PC Master or bus terminal DDLS 170 1 DO yellow 2 1 3 5 4 DO COM DI DI gree...

Страница 56: ...4 2 1 11 2 1 5 4 11 RS422 DI DI DO DO DO DO DI DI 12 12 UB UB RS422 PLC PLC DDLS 170 1 DDLS 170 2 A B Master B B A A bridged internally GND GND 11 11 12 12 UB UB Slave DDLS 170 1 DDLS 170 2 4 A 1 B 5...

Страница 57: ...lel operation of several data transmission paths When arranged with shifted frequencies two parallel data paths can be operated with a separation 0 3 m The parallel distance to a third transmission pa...

Страница 58: ...les only in their original packing Install interface modules only when system is in a voltage free state Lift up and remove DDLS 170 1 2 Loosen mounting screw 1 install interface module 2 and tighten...

Страница 59: ...s 2 Put the DDLS 170 1 and DDLS 170 2 onto the adjusting brackets so that the alignment indicators 1 point in the same direction The alignment indicators point up for vertical installation Fasten each...

Страница 60: ...LS 170s Both switches must be in the same position 0 inactive I active Fig Appendix 13 Profibus interface module settings Activate bus operation If faults occur during commissioning or if the data tra...

Страница 61: ...Fig Appendix 14 point 4 Fig Appendix 14 DDLS 170 components Components Description Type Order Designation Main unit Range Transmission 200 m 500 kbit s 200 m 500 kbit s DDLS 170 1 DDLS 170 2 Interface...

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