产品特点：FeaturesofdefaultModbusfirmwareWhenyoubuyanI-7188E2-MTCPcontroller,italreadyhasthedefaultModbusfirmwareinstalledinFlashmemory.Thedefaultfirmwarehasthefollowsfeatures:SupportsVxCommtechniqueforeveryCOMportofcontrollersIfserialdevicesdon'tsupportModbus/RTU,youcanstillaccessthesedevices.ButneedtoinstallVxCommdriveronhostPCsandassignaCOMportnumbertolinktotheremoteCOMport(ofI-7188E2-MTCP).Afterthat,serialclientscanaccesstheseremoteserialdevicesviastandardRS-232functi***.Allowedmulti-client(ormaster)accesssimultaneouslyDifferentI-7188E2-MTCPcontrollersupportsdifferentclientnumbersconnectto.PleaserefertoourFAQonwebformoredetail.http:///faq/7188e/ha***are/mFirmwaremodifiableWeprovidetheModbusSDKallowinguserstodeveloptheircustomModbusfirmware.产品规格;CPUCPU80188,40MHzorcompatibleSRAM384KbytesFlashMemory512KbytesEEPROM2KBytesBuilt-inWatchdogTimerYesCommunicationInterfaceCOM1RS-232(TXD,RXD,RTS,CTS,GND)COM2RS-485(D2+,D2-)EthernetPort10BASE-TNE2000compatibleEthernetControllerCOMPortFormatsDatabit7,8ParityEven,Odd,NoneStopbit1LEDDisplay5-Digit7SegmentLEDDisplayYes(forI-7188E2D-MTCPonly)SystemLEDIndicatorYesDimensi***I-7188E2(D)-MTCP123mmx72mmx33mmOperatingEnvironmentOperatingTemperature-25°Cto+75°CStorageTemperature-40°Cto+80°CPowerProtectionPowerreversepolarityprotectionRequiredSupplyVoltage+10to+30V/DC(non-regulated)Powerc***umption2WforI-7188E2-MTCP3WforI-7188E2D-MTCP)