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Siemens ISOLATED MULTI-DROP SG-6048-01 manual

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Table of contents for the manual

  • Page 1

    Isolated Multi-Dr op ™ Converter Operator’ s Manual Manual No. SG-6048-01 LOGO Isolated Multi-Drop™ Po r t 1 Tx Rx Po r t 4 Tx Rx Po r t 3 Tx Rx Po r t 2 Tx Rx RS485 RS485 RS485 RS485[...]

  • Page 2

    The use of unauthorized parts in the repair of the equipment o r tam- pering by unqualified pe rsonnel will r esult in danger ous conditions which may cause sever e personal injury or equipment damage. Follow all safety instructions contained her ein. IMPORT ANT The information contained her ein is general in nature and not intended for specific ap[...]

  • Page 3

    Contents Siemens Energy & Automation, Inc. 1 Introduction ........ ................... ....... 1 1.1 Product S ummary......... ...... ....... ...... ....... ... 1 1.2 How to Use This Manual .... ............. .......... 1 2 Setting Up the Converter .......... ... 2 2.1 Overview .... ............. ............ .................... ... 2 2.2 RS-4[...]

  • Page 4

    1 Intr oduction Siemens Energy & Automation, Inc. 1 1 Introduction 1.1 Pr odu ct Summary The Siemens Isolated Multi-Dr op TM conver t er is an electr onic device that lets you connect your DO S-based PC to the Siemens SEAbus TM communications network for ACCESS TM devices o n your power distribution system. (Y ou can also use the converter to c[...]

  • Page 5

    2 Setting Up the Converter 2 Siemens Energy & Automation, Inc. 2 Setting Up th e Conver ter 2.1 Ove rvie w Before connecting the converter to y our system, understand the connectors, LEDs and switches. This section descr ibes each of the following featur es accor ding to their functions: • four RS-485 communications ports • one RS-23 2 comm[...]

  • Page 6

    2 Setting Up the Converter Siemens Energy & Automation, Inc. 3 . Figure 2.4 Rear Panel The BAUD thumbwheel switch selects the data rate for communications. Set the data rate to be consistent with the data rate for your system’ s S EAbus communications network. T able 2.1 Tx Control Baud Settings Dial Num ber Data Rate (bp s) 1 1200 2 2400 3 4[...]

  • Page 7

    3 Installing th e Converter 4 Siemens Energy & Automation, Inc. 3 Installing the Converter 3.1 Getting Ready This section explains how to install the Isolated Multi-Drop converter for your operation. Y ou can install t he converter either dir ectly to a PC or r emotely within switchgear using short-haul or dial-up modems. This section also tell[...]

  • Page 8

    3 Installing the Converter Siemens Energy & Automation, Inc. 5 3.3 Connecting Directly to a PC T o connect the Isolated Multi-Dr op converter dir ectly to a PC, you need an RS-2 32 serial cable of not more than 50 feet in length. Make sure the cable is a DCE-DTE cable, not a null modem cable . The following table lists the minimum set of r equi[...]

  • Page 9

    3 Installing th e Converter 6 Siemens Energy & Automation, Inc. 3.4 Connecting wit h Short-Haul Modems If the distance between your PC and Isolated Multi-Dr op converter is gr e ater than 50 feet but less than 3.5 miles, you can connect them using short-haul modems and regular telephone cable. T o install the Isolated Multi-Dr op converter usin[...]

  • Page 10

    3 Installing the Converter Siemens Energy & Automation, Inc. 7 3.5 Connecting wit h Dial-Up Modems If the distance between your PC and Isolated Multi-Dr op converter is gr eater than 3.5 miles, you can connect them using dial-up modems. T o install the Isolated Multi-Drop converter using dial -up modems, you need these items: • two dial-up mo[...]

  • Page 11

    4 T esting ACCESS Devices 8 Siemens Energy & Automation, Inc. 4 T esting ACC ESS Dev ices Y ou can use the Isolated Multi-Dr op converter’ s 15 VDC power output to pr ovide DC power for testing Static T rip III trip units or SAMMS devices. Accor ding to the steps in this section, first pr epare a cable for connecting the devices to the conver[...]

  • Page 12

    4 T esting ACCESS Devices Siemens Energy & Automation, Inc. 9 4.3 T esting Static T rip III on Desktop If you are testing a Static T rip III trip unit on a desktop, follow these steps to connect the trip unit to t h e converter for 15 VDC power , while re f erring to Figur e 4.3: 1. Plug the connector of the two- conductor cable into the 15 VDC[...]

  • Page 13

    4 T esting ACCESS Devices 10 Siemens Energy & Automation, Inc. Figure 4.4 Connecting SAMMS Device for T esting T wo-wire cable RS-485 cable rear panel front panel 15VDC OUT + - RS485 + _ + _ RS485 RS485 RS485 RS485 + _ + _ + _ Isolated Multi-Drop 12 3 4 SAMMS device Ribbon cable 1 2345 6 7 89 1 0 11 1 2 13 14 15 16 CM-1 T wo-wire cable Pins 5 a[...]

  • Page 14

    5 T r ou bleshootin g Siemens Energy & Automation, Inc. 11 5 T roubleshooting If you exper ience communications errors and suspect the Isolated Multi-Dr op converter i s at fault, perform the actions listed below . Before performing these tests: 1. V erify that your application so ftware is pr operly set up. 2. V erify that the cables between t[...]

  • Page 15

    5 T r ou blesh ooting 12 Siemens Energy & Automation, Inc. NOTE S:[...]

  • Page 16

    Appendic es Siemens Energy & Automation, Inc. 13 Appendix A: Block Diag ram The illustratio n below is a block diagram showi ng how the Isolated Multi-Dr op converter operates. The diagram identifies the internal components that make up the converter . Figure A.1. Bl ock Diagram 25-pin D Connector RXD TXD RTS DCD Signal Ground RS-232 T ransceiv[...]

  • Page 17

    Appendices 14 Siemens Energy & Automation, Inc[...]

  • Page 18

    Appendic es Siemens Energy & Automation, Inc. 15 Appendix B: M ounting Dimensions The illustration below shows the mounting dimensions for the Iso lated Multi-Drop conv erter . Use these dimensions to muont the converter to a switchgear panel or to some other location. For mor e information on installation, r efer to section 3, Installing the C[...]

  • Page 19

    Appendices 16 Siemens Energy & Automation, Inc[...]

  • Page 20

    Siemens Ener gy & Automat i on, Inc. Switchgear and Motor C ontrol Business P .O. Box 2950 3 Ralei gh, NC 2762 6-0503 Manual No. SG- 6048-01 (Replaces -0 0) 1M 0595FP Printed in U.S.A. © 1992-1995 Siemens Energy & Automation, Inc. SIEMENS is a registered trade ma rk of Sie me ns AG[...]