Leuze DDLS 170 Technical Description

Leuze DDLS 170 Technical Description

Serial optical data transmission with bus capability
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Serial Optical Data Transmission with Bus Capability
DDLS 170
Technical Description

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Summary of Contents for Leuze DDLS 170

  • Page 1 Serial Optical Data Transmission with Bus Capability DDLS 170 Technical Description...
  • Page 2 © All rights reserved, in particular the rights of reproduction, distribution, 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 the right to make changes for the technical improvement of the product.
  • Page 3: Table Of Contents

    Intended use ..................... 5 Working safely.................... 6 Organizational measures ................6 Description..................... 7 About the data transmission units of the DDLS 170 series......7 Characteristics of the DDLS 170..............7 Benefits ...................... 8 Construction ....................9 Interface characteristics ................10 Function ....................
  • Page 4 Error Diagnosis / Failures and Troubleshooting ........42 Errors during commissioning..............42 Other errors ....................44 Maintenance....................45 General maintenance information ............45 Repair, Maintenance ................45 Appendix (applies only to DDLS 170.1 and DDLS 170.2) Construction ....................48 Specifications ....................50 General specifications ................50 Dimensioned drawing................51 Terminal configuration of interfaces ............52 B.3.1...
  • Page 5: General Information

    1 General Information About this document The DDLS 170 data transmission system available up to now has been further de- veloped. This technical description covers the new, as well as the old, data trans- mission system. · The further-developed DDLS 170 is documented in Chapters 2 - 9.
  • Page 6: Important Terms

    Suconet K Transmission system produced by Klöckner Möller Declaration of Conformity The DDLS 170 data transmission system was designed and manufactured in ac- cordance with applicable European normatives and guidelines. Notice: A corresponding Declaration of Conformity can be requested from the manufactu- rer.
  • Page 7: Safety Notices

    The protection of personnel and the device cannot be guaranteed if the device is operated in a manner not corresponding to its intended use. Optical data transmission systems of the type DDLS 170 are designed for the opti- cal transmission of data in the infrared range.
  • Page 8: Working Safely

    Optics Regularly clean transmission and reception windows on the DDLS 170. Observe Chapter 9, "Maintenance". Alignment Use the bar graph regularly to check the alignment of the DDLS 170 (see Chapter 6.2.3 "Alignment"). Organizational measures Documentation Observe all instructions in this "Technical Description" without fail, particularly the section entitled "Safety remarks".
  • Page 9: Description

    Where data have to be transmitted to and from moving objects, optical data trans- mission systems provide an ideal solution. With the DDLS 170 series, Leuze electronic offers a range of efficient optical data transmission units. The data transmission units are robust and are not subject to wear.
  • Page 10: Benefits

    The angles can be set independently of one another thanks to the physical construction of the adjusting bracket. · All installation work can be carried out from the front. The DDLS 170 system can be completely disassembled without removing the connection plate. Switching off transmitter and receiver ·...
  • Page 11: Construction

    Construction The DDLS 170 series data transmission units are durable, user-friendly and easy to service. A data path consists of two synchronized data transmission units: e.g. DDLS 170/120. -1110 and DDLS 170/120. -1110 The data transmission unit consists of the following components:...
  • Page 12: Interface Characteristics

    Transmission rate of 187.5 kbit/s with Suconet K, K1 and K2 Transmission rate of 375 kbit/s with Suconet K · Cable connection 2-wire · Terminator can be activated with slide switch · Range of operation See Chapter 3.7.5 DDLS 170 Leuze electronic...
  • Page 13: Function

    For PLC: Data transmission good - terminal 9 Data transmission critical - terminal 8 Monitoring To monitor the aligned DDLS 170 or for contamination checks, connect both output terminal 9 and terminal 8 to a PLC program. Leuze electronic DDLS 170...
  • Page 14 Terminal 8 without functional reserve 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...
  • Page 15: Application Examples

    Application examples Area of application Die DDLS 170 optical data transmission units are used wherever transmission devi- ces using different systems are more elaborate, complicated, susceptible to interfe- rence, and expensive to operate and maintain. Optical data transmission units replace e.g.: ·...
  • Page 16 One data path - vertical DDLS 170/xxx.1-xxxx DDLS 170/xxx.2-xxxx Fig. 8: High-bay warehouse - one data path Two data paths - vertical and horizontal For example, data transmission in a high-bay warehouse with several moving axes and several data transmission paths is possible: horizontal (movement in the aisle) and vertical (raising/lowing).
  • Page 17: Interbus

    3.7.2 INTERBUS All bus elements that meet the INTERBUS standard can be connected: · Order designation: DDLS 170/120.1-2110 and DDLS 170/120.2-2110 (120 m) DDLS 170/200.1-2110 and DDLS 170/200.2-2110 (200 m) · Interface: INTERBUS interface IM170-2000 (built into unit) · Transmission rate: 500 kbit/s ·...
  • Page 18: Rs422 Point-To-Point Connection

    3.7.3 RS422 Point-to-point connection RS422 4-wire connection · Order designation: DDLS 170/120.1-2110 and DDLS 170/120.2-2110 (120 m) DDLS 170/200.1-2110 and DDLS 170/200.2-2110 (200 m) · Interface: RS422 interface IM170-2000 (built into unit) · Transmission rate: infinitely variable up to max. 500 kbit/s, no adjustment necess.
  • Page 19: Profibus, Mpi, Fms, Dp, Mixed Operation (Fms/Dp)

    · Semi-duplex oper.: only serial transmission and reception of data possible A high-performance, optical data transmission system is available with the DDLS 170 with which the following Profibus protocols can be transmitted: · Multi Point Interface (187.5 kbit/s) · Field Message System (in accord. with DIN 19245 Parts 1,2) ·...
  • Page 20 Compared with the standard setting (switch position = 0), this has the advantage that, upon re-establishment of visual contact, the system is again stable within a few milliseconds (see Fig. 15, next page). DDLS 170 Leuze electronic...
  • Page 21 For example, when moving high-bay storage and retrieval units from one aisle to another, the interruption routine is carried out faster, thereby reducing the time required to make the entire system available after activating the switch. Fig. 15: Selector switch during loss of visual contact Leuze electronic DDLS 170...
  • Page 22: Suconet K

    Succonet K, K1 and K2 with 187.5 kbit/s, Suconet K with 375 kbit/s · Semi-duplex oper.: Only serial transmission and reception of data With the DDLS 170 the following protocols from Klöckner Möller can be transmitted: · Succonet K, K1 and K2 DDLS 170 Leuze electronic...
  • Page 23: Connection Variants For Profibus (Mpi, Fms, Dp) And Suconet K

    DDLS 170. Fig. 16: Profibus (MPI / SINEC L2 - FMS / SINEC L2 - DP) and Suconet K DP-Master e.g.
  • Page 24: Specifications

    4 Specifications General specifications Manufacturer Leuze electronic GmbH & Co., D-73277 Owen/Teck Type DDLS 170 Range 0 to 120 m; Type designation DDLS 170/120.x-xxxx 0 to 200 m; Type designation DDLS 170/200.x-xxxx (... x-xxxx depending on carrier frequency and interface module). The listed range is the usable range with adequate functional reserve.
  • Page 25: Dimensioned Drawing

    Optical beam angle approx. 0.5° to the optical axis Environmental conditions Operating temperature -30 °C ... +60 °C Storage temperature -35 °C ... +70 °C Dimensioned drawing level indicator Fig. 18: Dimensioned drawing of DDLS 170 Leuze electronic DDLS 170...
  • Page 26: Accessories / Order Designations

    1 = reserved 2 = with optics heating Notice: The DDLS 170 is offered primarily as a complete unit. This means that the order designations denote complete units, and delivery includes connection element, in- terface module and optics unit. Two complete units with different FSK frequencies (.1 and .2) must be ordered for each transmission path.
  • Page 27: Individual Components

    DDLS 170/200.1-2110 1 transmission pair, 200 m range, ± DDLS 170/200.2-2110 INTERBUS, RS422, 0.5° beam angle Fig. 19: complete DDLS 170 unit Individual components The following components can also be ordered individually for service and spare part needs: Connection element AT170-0010...
  • Page 28: Recommended Cable

    Recommended cable Profibus, RS485, Suconet K No special connection cables are necessary for the installation of the DDLS 170 supply and control lines. The Profibus standard specifies two cable types for the connection of the data lines into the FMS and DP systems.
  • Page 29: Installation

    Observe the locally applicable regulations when disposing of the packaging materials. Cleaning Before installing, clean the DDLS 170 lenses with a soft cloth. Remove all packaging remains, e.g. carton fibres or styrofoam balls. Attention ! Do not use an aggressive cleaning material such as thinner or acetone to clean the device.
  • Page 30: Mounting And Aligning

    Observe the following points before installing the data transmission unit: · For each data transmission path one device of type DDLS 170/xxx. -xxx and one of type DDLS 170/xxx. -xxxx is required. · The data transmission path can be oriented either horizontally or vertically.
  • Page 31: Installation

    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.2-xxxx to the adjusting brackets and secure with the hex socket-head screws (2). Fig. 21: Mounting DDLS 170...
  • Page 32: Alignment

    6.2.3 Alignment Each DDLS 170 is equipped with two multifunction displays which can be used to simplify the alignment process: · Remote multifunction display for coarse adjustment, · Close-up multifunction display (bar graph) for fine adjustment. Coarse adjustment DDLS 170/xxx.1-xxxx transmits a signal to the DDLS 170/xxx.2-xxxx. The LED indi- cates the quality of the received signal.
  • Page 33 Fig. 23: Fine adjustment of DDLS 170 Alignment monitoring (functional reserve) To monitor the aligned DDLS 170 with the aid of a PLC, use the output terminals 9 (with reserve) and 8 (without reserve), or test the LEDs on the unit (remote and clo- se-up multifunction displays) at regular intervals (see Chapter 3.6, page 12).
  • Page 34: Connection Information

    Strip 3 mm from the ends of the individual wires. Fold the mesh shielding uniformly back onto the cable covering. Circuit board Clamp the shielding under the cable clamp (conductive connection with the housing). Fig. 24: Bus cable preparation and shielding connection DDLS 170 Leuze electronic...
  • Page 35: Interbus Connection

    PE connection made by means of a 47 nF capacitor. The capacitor is active when the jumper in the device next to the terminal block is removed (see Fig. 26). Fig. 25: DDLS 170 - INTERBUS shielding Leuze electronic DDLS 170...
  • Page 36: Terminal Configuration For Interbus, Rs422 - Connection Terminals

    DO data line INTERBUS - System / RxD for RS422 interface Terminal 8 Data transmission without functional reserve Terminal 9 Data transmission with functional reserve Terminal 10 GND voltage supply 0 V Terminal 11 voltage supply 12 to 30 V DC DDLS 170 Leuze electronic...
  • Page 37: Connection Examples

    Fig. 27: Connection example DDLS 170 - INTERBUS RS422 point-to-point connection + U B + U B DDLS 170/120... DDLS 170/120... DDLS 170/200... DDLS 170/200... TxD+ RxD+ TxD– RxD–...
  • Page 38: Profibus, Suconet K Connection

    A’ data line Profibus, RS485 (-TxD/RxD), Suconet K - System Terminal 8 Data transmission without functional reserve Terminal 9 Data transmission with functional reserve Terminal 10 GND voltage supply 0V Terminal 11 voltage supply 12 to 30 V DC DDLS 170 Leuze electronic...
  • Page 39: Connection Examples

    DDLS 170/120... DDLS 170/120... DDLS 170/200... DDLS 170/200... Slave Fig. 30: Connection example DDLS 170 - Profibus (MPI, FMS, DP, FMS/DP) DDLS 170 - Suconet K, K1 and K2 connection + U B + U B DDLS 170/120... DDLS 170/120...
  • Page 40 7 -TxD/RxD 6 +TxD/RxD + U B + U B DDLS 170/120... DDLS 170/120... DDLS 170/200... DDLS 170/200... +TxD/RxD 1 +TxD/RxD +TxD/RxD 1 -TxD/RxD 2 -TxD/RxD -TxD/RxD 2 Fig. 32: Connection example DDLS 170 - RS485 DDLS 170 Leuze electronic...
  • Page 41: Commissioning

    Before you switch on the operating voltage, be certain that the unit has been pro- perly connected 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 transmission. 7.1.2 Alignment Align the units with one another as described in Chapter 6.2.3.
  • Page 42: Settings On The Profibus-, Rs485- And Suconet K-Interface Module

    K1 and K2 only the transmission rate of 187.5 kbit/s is permitted. DIP switches 1,2,3 Transmission rates in kbit/s 9.60 19.20 38.40 57.60 93.75 187.50 375.00 500.00 Thus, in the example a transmission rate of 375 kbit/s is selected. DDLS 170 Leuze electronic...
  • Page 43: Bus Interruption (Switch 1)

    Switch position terminated Switch position not terminated In the example, no termination is set. Notice: Should problems occur during commissioning or if the data transmission path can- not be put into service, refer to Chapter 8, "Error Diagnosis". Leuze electronic DDLS 170...
  • Page 44: Error Diagnosis / Failures And Troubleshooting

    The DDLS 170 fulfills the conformity requirements for: · Profibus · INTERBUS · Suconet K Should errors occur during operation or during commissioning, the DDLS 170 of- fers a wide range of localization and correction options. Errors during commissioning Voltage supply polarities correct? Error Cause...
  • Page 45 (switch off mains). If the termination is considerably less than 110 Ohm, the data signal level deteriorates, harmonics are possibly occurring on the B-line at 0 signal. Leuze electronic DDLS 170...
  • Page 46: Other Errors

    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...
  • Page 47: Maintenance

    9 Maintenance General maintenance information In normal use, the DDLS 170 optical data transmission system requires no opera- tor servicing. Cleaning Should the DDLS 170 lenses become dirty, clean with a soft cloth. Attention ! Do not use an aggressive cleaning material such as thinner or acetone to clean the device.
  • Page 48 DDLS 170 Leuze electronic...
  • Page 49: Appendix (Applies Only To Ddls 170.1 And Ddls 170.2)

    Appendix (applies only to DDLS 170.1 and DDLS 170.2) Leuze electronic DDLS 170...
  • Page 50: A Construction

    These data are only valid for the previous data transmission systems DDLS 170.1 and DDLS 170.2! A Construction The data transmission units of the DDLS 170 series are durable, user-friendly and easy to service. A data path consists of two synchronized data transmission units: DDLS 170.1 and DDLS 170.2.
  • Page 51 These data are only valid for the previous data transmission systems DDLS 170.1 and DDLS 170.2! Components of the data transmission unit are: Mounting bracket Adjusting screws (2) Connection module Interface module Alignment indicator Bi-directional transmitter Fastening screws (2) Remote multifunction LED display: Multifunction display, red, red blinking...
  • Page 52: B Specifications

    These data are only valid for the previous data transmission systems DDLS 170.1 and DDLS 170.2! B Specifications General specifications Manufacturer Leuze electronic GmbH + Co., D-73277 Owen/Teck Type DDLS 170 Range 0 to 200 m; The listed range is the usable...
  • Page 53: Dimensioned Drawing

    These data are only valid for the previous data transmission systems DDLS 170.1 and DDLS 170.2! Dimensioned drawing Fig. Appendix 3: Dimensioned drawing DDLS 170 Leuze electronic DDLS 170...
  • Page 54: Terminal Configuration Of Interfaces

    These data are only valid for the previous data transmission systems DDLS 170.1 and DDLS 170.2! Terminal configuration of interfaces B.3.1 INTERBUS terminal configuration DO DO COM DI DI 9 10 11 12 with without reserve 12… 47nF shielding INTERBUS...
  • Page 55: C Examples Of Connection

    These data are only valid for the previous data transmission systems DDLS 170.1 and DDLS 170.2! C Examples of connection DDLS 170 – INTERBUS connection INTERBUS Master e.g. Siemens AEG-Modicon Bosch Klöckner-Moeller GE Fanuc Klaschka DDLS 170 Bus terminal Bus terminal / node Fig.
  • Page 56: Rs422 Point-To-Point Connection

    These data are only valid for the previous data transmission systems DDLS 170.1 and DDLS 170.2! RS422 point-to-point connection + U B + U B DDLS 170.1 DDLS 170.2 TxD+ RxD+ TxD– RxD– RxD+ TxD+ RxD– TxD– RS422 RS422 Fig. Appendix 8: Example of DDLS 170 – RS422 (INTERBUS module) connection DDLS 170 –...
  • Page 57: D Installation And Commissioning

    D Installation and Commissioning Preparation Observe the following points before installing the data transmission unit: · One device of each type (DDLS 170.1 and DDLS 170.2) is required per data transmission path. · The data transmission path can be either horizontal or vertical.
  • Page 58: Installing The Interface Modules

    These data are only valid for the previous data transmission systems DDLS 170.1 and DDLS 170.2! Installing the interface modules Attention ! Improper installation of the interface modules leads to erroneous data transmission or component damage. For this reason: ·...
  • Page 59: Installation

    When preparing the installation sites, ensure that no vertical, lateral and angular offsets can develop between the two units. Information regarding the alignment of the DDLS 170 can be found in the front part of this technical description (see Chapter 7).
  • Page 60: Commissioning

    These data are only valid for the previous data transmission systems DDLS 170.1 and DDLS 170.2! Commissioning Connect data signal and power cables with the correct polarity. Check the following points prior to commissioning. · All cable and plug connections.
  • Page 61: E Accessories / Order Designation

    These data are only valid for the previous data transmission systems DDLS 170.1 and DDLS 170.2! E Accessories / Order Designation When ordering, specify: · per data path one DDLS 170.1 and one DDLS 170.2 (see Fig. Appendix 14: points 1 and 2) ·...

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