Easy Electronics xLogic Micro PLC - Chapter 4 Parameters Modification HMI Operation

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NamedCOM1.

WhentheprogrammingportshouldbeusedasthestandardRS232port(D-shape9pinheader),the

ELC-RS232cableneeded.

2.Expansionport/RS485(pindefinition(2X3pinfemalefigure)

1------RS485A1

6------RS485B1

2------RS485A2

3------RS485B2

4------GND

5------Battery

CommunicationbetweenCPUandexpansionmodulewilluse1,6pin.ThisnamedCOM2.

ELC12-E-RS485moduleneedwhenELC-12CPUcommunicatewiththethirdpartydevicesviaRS485bus

andthepin2,3shouldbeusedbyELC12-E-RS485module.ThisnamedCOM3.

Note:1.ThebaudratesofCOM,COM2,COM3canbemodifiedviathepanelkey.

2.TheCOM2portalsocanworkasthecommonRS485port,whenthereisnoexpansionmodule

intheapplication.ThestandardRS485modulecannotbringouttheterminalsofCOM2built-inELC-12

seriesCPU,soonecustomizeRS485moduleshouldbeusedforthiscase.

Chapter4 ParametersmodificationHMIoperation