Instruction/ maintenance manual of the product LCM100 Omron
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U SER G UIDE I NDUSTRIAL D ATA C OMMUNICA TIONS It is essential that all instructions contained in the User Guide are followed precisely to ensure proper operation of equipment.
DA T A-LINC GROUP PN 161-xxxxx-001A Product User Guide FCC Information Appropriate FCC info.
DA T A- L I N C GROUP p LCM100 User’s Guide LCM100 Line Carrier Modem Introduction In the line carrier system, the hot line supplies current to connected loads and is a lso used as a carrier for data communication between modules.
DA T A- L I N C GROUP p LCM100 User’s Guide Note: If a three-to-two-wire adapter is used to connect to a two-wire AC outlet, the ground lead of the adapter must be connected to earth ground to complete the ground system. An open ground connection may cause a communications defect and/or shock hazard.
DA T A- L I N C GROUP p LCM100 User’s Guide Communication Failure C a r r i e r D e t e c t O f f RS-232C Input Modulator/Oscillator Failure Failure P o w e r Indicator Off Receiver Signal Modulator.
DA T A- L I N C GROUP p LCM100 User’s Guide LCM100 Technical Specifications Power requirements 120 volts at +/- 10%, 50- 60 Hz, 4.5 watts. Power is on when module(s) are con nected Data Rate Up to 9.
DA T A- L I N C GROUP p LCM100 User’s Guide Appendix A RS-232 Connector Pin Assignments Both modules of the LCM100 have female DB-25 connectors which can be directly connected to DTE and DCE equipment. All output levels are a minimum of +6 volts when active and a maximum of –6 volts when inactive, measured in a 3k ohm load.
DA T A- L I N C GROUP p LCM100 User’s Guide Connector J2 (Female) Please note that male pin numbering is a mirror image of the female connector depicted below: 13 12 11 10 9 8 7 6 5 4 3 2 1 25 24 23 22 21 20 19 18 17 16 15 14 Figure 3: DB-25P J2 Connector Pins J2 Pin Description 9-19 Pins 9-19 are unused, open.
DA T A- L I N C GROUP p LCM100 User’s Guide Appendix B Line Conditioning In some industrial installations, power lines must be conditioned to prevent the FSK signal from being shunted by distributed capacitance possibly associated with other loads conne cted to the line.
DA T A- L I N C GROUP p LCM100 User’s Guide Appendix C System Block Diagram Data T erminal Equipment RS-232C Interface DB-25P Connec tors w/Cab le Pin 2 LCM 100-2 Data Communicatio ns Equipment RS-2.
An important point after buying a device Omron LCM100 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Omron LCM100 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Omron LCM100 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Omron LCM100 you will learn all the available features of the product, as well as information on its operation. The information that you get Omron LCM100 will certainly help you make a decision on the purchase.
If you already are a holder of Omron LCM100, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Omron LCM100.
However, one of the most important roles played by the user manual is to help in solving problems with Omron LCM100. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Omron LCM100 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
