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Manual PowerLogix COM128

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  • PowerLogix COM128 - page 1

    PowerLogic ® COM128 RS-232 to RS-4 85 Converter Installation and Operation Gu ide August 2006 ...

  • PowerLogix COM128 - page 2

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    Conventions Throughout  this  operation  manual,  the  following  methods  are  used  to  highlight  important  information. NOTE Describes  important  considerations  related  to  a  device  setup,  feature  or  application. CAUTION Alerts  you  to  a  condition  whic ...

  • PowerLogix COM128 - page 4

    T able of Contents COM128 FEATURES ................................................................................................. 1 1 INTRODUCTION ........................................................................................................ 2 2 Physical Fe atures ........................................................................ ...

  • PowerLogix COM128 - page 5

    COM128 Installation and Operation Manual Schneider Electric 1 FEA TURES • Connects one RS-232 line to four RS-485 buses. • Automatic baud rate detection supporting data rates of 1200, 2400, 4800, 9600, and 19200 baud. • DTE or DCE operation allows connection to computers or modems without the need for null modem adapters. • RS-485 transmit ...

  • PowerLogix COM128 - page 6

    COM128 Installation and Operation Manual Schneider Electric 2 1 INTRODUCTION The COM128 is used to interface a single RS-232 communica- tions line to up to four RS-485 communications buses. The RS-485 standard restricts each RS-485 bus to supporting 32 or fewer devices connected to it. The standard also dictates a 4000 foot (1219 m) maximum overall ...

  • PowerLogix COM128 - page 7

    COM128 Installation and Operation Manual Schneider Electric 3 2 PHYSICAL FEA TURES 2.1 RS-232 PANEL The RS-232 panel of the COM128 is illustrated in Figure 2.1.1. DC SUPPLY CONNECTORS These connections allow the COM128 to be powered from a wide range of DC voltage sources, including the supplied adapter. See Chapter 4 for additional information. RS ...

  • PowerLogix COM128 - page 8

    COM128 Installation and Operation Manual Schneider Electric 4 3 CONFIGURA TION 3.1 CONFIGURATION SWITCHES These six switches are used to configure the COM128 for the desired operation (see Figure 3.1.1). A switch is ON when it is in the UP position. The following is a description of each mode of operation. A list of switch settings for the differen ...

  • PowerLogix COM128 - page 9

    COM128 Installation and Operation Manual Schneider Electric 5 3.2.2 SPEED COMPENSATION APPLICATION For use with DCE devices that require very accurate baud rate input. Typical uses are with high speed dial up modems. This mode can be programmed to either ignore the Carrier Detect (CD) input of its RS-232 DTE port or require that CD be asserted by t ...

  • PowerLogix COM128 - page 10

    COM128 Installation and Operation Manual Schneider Electric 6 3.2.4 RS-485 DATA BUFFERING WITH TRANSMISSION DELAY AFTER RTS ASSERTION APPLICATION This mode is very similar to the RTS / CTS mode. The COM128 buffers data from the RS-485 ports, asserts its RTS output then transmits data out of the DTE port after a programmable time delay. This mode is ...

  • PowerLogix COM128 - page 11

    COM128 Installation and Operation Manual Schneider Electric 7 4.2.2 DIRECT CONNECTION TO A COMPUTER PORT SELECTION An IBM-compatible PC acts as a DTE (Data Terminal Equipment) RS-232 device. Therefore, the computer’s RS-232 port should be connected to the DCE port on the COM128. Refer to Figure 4.2.2. SWITCH SETTINGS To properly communicate with ...

  • PowerLogix COM128 - page 12

    COM128 Installation and Operation Manual Schneider Electric 8 4.2.3 CONNECTION TO A MODEM PORT SELECTION A telephone or radio modem typically acts as a DCE RS-232 device. Therefore, the modem’s RS-232 port should be connected to the COM128’s DTE RS-232 port. Refer to Figure 4.2.3. SWITCH SETTINGS To properly communicate with the modem, the COM1 ...

  • PowerLogix COM128 - page 13

    COM128 Installation and Operation Manual Schneider Electric 9 RS-485 PORT SHLD SHLD To next device To next device RS-485 Device RS-485 Cable 22 gauge shielded twisted pair Terminal Strip DISTANCE X NOTE Terminal strip connection method adds 2 times distance X to overall RS-485 cable length. 4.3 RS-485 BUS CONNECTIONS 4.3.1 CONVERTOR CONNECTIONS The ...

  • PowerLogix COM128 - page 14

    COM128 Installation and Operation Manual Schneider Electric 10 SHLD SHLD PORT C PORT D PORT B PORT A DCE PORT DTE PORT COM128 RS-232 to RS-485 Converter RS-232 RS-485 RS-485 Cable AWG 22 shielded twisted pair. Overall length: 4000 ft. maximum. Computer or Modem SHLD SHLD SHLD RS-485 PORT RS-485 PORT SHLD SHLD RS-485 PORT SHLD SHLD PORT C PORT D POR ...

  • PowerLogix COM128 - page 15

    COM128 Installation and Operation Manual Schneider Electric 11 CALCULATING OVERALL CABLE LENGTH When determining the overall length of an RS-485 communica- tion straight-line or loop connection, it is important to account for all cable segments. For example, when RS-485 connections to the device are made via an intermediate terminal block (Figure 4 ...

  • PowerLogix COM128 - page 16

    COM128 Installation and Operation Manual Schneider Electric 12 SHLD SHLD PORT C PORT D PORT B PORT A DCE PORT DTE PORT COM128 RS-232 to RS-485 Converter RS-232 RS-485 Computer or Modem SHLD PORT C PORT D PORT B PORT A DCE PORT DTE PORT COM128 RS-232 to RS-485 Converter RS-232 RS-485 Computer or Modem RS-485 ST AR CONNECTION RS-485 PORT RS-485 PORT ...

  • PowerLogix COM128 - page 17

    COM128 Installation and Operation Manual Schneider Electric 13 6 TECHNICAL SPECIFICA TIONS ELECTRICAL RATINGS Isolation: 750 V between RS-232 and RS- 485 ports Power Supply: Standard: 9 VDC @ 500 mA (120 VAC adapter supplied) Alternate: 2-pin pluggable terminal block accepts 9-30 VDC Power to DTR Pin: 5 VDC @ 10 mA (jumper selectable) Operating Tem ...

  • PowerLogix COM128 - page 18

    COM128 Installation and Operation Manual Schneider Electric 14 -IND OPTION The -IND option is a universal power supply that allows the COM128 to be powered from any standard international voltage and frequency. The power supply is designed for industrial applications where it can be mounted on the wall or door of a cabinet. Refer to Figure 7.2.1. S ...

  • PowerLogix COM128 - page 19

    COM128 Installation and Operation Manual Schneider Electric 15 COM128 IND Power Supply AC (L) AC (N) FG - + (see specs for for input range) 1A Slo-Blo - + Figure 7.2 Connecting the -IND Power Supply ...

  • PowerLogix COM128 - page 20

    COM128 Installation and Operation Manual Schneider Electric 16 Figure 7.2.1 -IND Option (Industrial P/S) ...

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  • PowerLogix COM128 - page 24

    PowerLogic COM 128 Installation and Operati on Manual For fur ther assistance please contact us at: Schneider Electric P ower Monitoring and Control 2195 Keat ing Cross Road Saanichton, BC Canada V8M 2 A5 T el: 1-25 0-652-7100 295 T ech P ark Drive, Suite 100 Lavergne , TN 37086 USA T el: 1-61 5-287-3400 Electropole (38 EQI) 31, rue Pierre Mendès ...

Manufacturer PowerLogix Category Computer Accessories

Documents that we receive from a manufacturer of a PowerLogix COM128 can be divided into several groups. They are, among others:
- PowerLogix technical drawings
- COM128 manuals
- PowerLogix product data sheets
- information booklets
- or energy labels PowerLogix COM128
All of them are important, but the most important information from the point of view of use of the device are in the user manual PowerLogix COM128.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals PowerLogix COM128, service manual, brief instructions and user manuals PowerLogix COM128. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product PowerLogix COM128.

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A complete manual for the device PowerLogix COM128, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use PowerLogix COM128 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of PowerLogix COM128.

A complete PowerLogix manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual PowerLogix COM128 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the PowerLogix COM128, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the PowerLogix COM128, that we can find in the current document
3. Tips how to use the basic functions of the device PowerLogix COM128 - which should help us in our first steps of using PowerLogix COM128
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with PowerLogix COM128
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of PowerLogix COM128 in a specific country, if it was not possible to solve the problem on our own.

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