Remote Technologies RPC-320 manual Serial Ports Section, Rxd Cts

Page 19

SERIAL PORTS

SECTION 4

5

RXD

In

6

CTS

Out

9Ground

10+ 5

*RTS input not in COM0.

A seria l cable is ma de by simp ly taking a 10 pin fe male IDC connector and crim ping a 9 wir e ribbon c able to it.

Page 4-5 RPC -320

Image 19
Contents Trademarks REVRevision Table of Contents Sect ION 13 Multi Mode Counter Description Sect ION 11 Watchdog Timer DescriptionExternal Reset Interrupt CharacteristicsSoftware Revision History Manual Organization OverviewSection DescriptionTechnical Support Symbols and Term inologySystem layout Overview SectionIntroduction Operating PrecautionsEquipment Uploading and Downloading Programs Using a PCUsing a Terminal First Time OperationEditing programs and program ming hints Troubleshooting Where to GO from HereW3 autorun jumper Saving ProgramsSaving a Program EpromChanging Eprom Size AutorunningPreventing Autorun Loading a ProgramBsave CommandsAlternate Eproms BloadCOM0 Serial Port Serial PortsCOM1 Serial Port RS-422/485 Operating Information Serial Ports SectionRS-422/485 Termination network Two wire RS-485 Accessing Serial BuffersMultidrop Network Disabling CONTROL-C Accessing COM0 and COM1Serial Port PIN OUT RXD CTS Changing Memory Battery BackupChecking the battery RAM MemoryStoring Variables in RAM Reserved MemoryBlock Data Transfer Assembly Language InterfaceDigital I/O Ports Digital and Opto PortsDigital Por t J3 Optically Isolated Input Digital I/O CommandsDigital Port P6 High Current Port L8High Current Output Interfacing Digital I/O to an opto-module rack Interfacing to switches and other devicesDigital I/ O prog ramm ing exam ple Ls e Width Modulation PWM Conne ctor pin ou t J3 Digital and Opto Ports SectionLine B Config LineCount LineDate Setting Date and TimeM E Section Writing to the Display Connecting DisplaysProgramming Example Display Types Display Connector PIN OUTProgram explanation Keypad PortKeypad Port PIN OUT J5 Overvoltage conditions Connecting Analog InputsAnalog Input InitializationExamples u sing CON FIG AIN Differential ModeAcquiring Analog Data Noise Notes Temperature MeasurementAnalog Input Section Measuring Higher Voltages Data logging on a timer tickAmplifiers Converting Analog MeasurementsMeasuring 4-20 mA current loops Calibration External Reset Watchdog TimerOptically Isolated Interrupt Interrupt CharacteristicsProgram Example Optically isolated and TTL interrup ts Gate ProgrammingGND LoadCOU NT0 Further Power Reduction Power ManagementProgram Examp le Power Management SectionTechnical Information Electrical SpecificationsBank Mechanical SpecificationsMemory and I/O Bank MAP Jumper Descriptions