Serial Ports Section, Rxd Cts | Remote Technologies RPC-320 guide

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

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

Contents

Trademarks REVRevision Table of Contents Sect ION 13 Multi Mode Counter Description Sect ION 11 Watchdog Timer DescriptionExternal Reset Interrupt Characteristics Software Revision History Manual Organization OverviewSection Description Technical Support Symbols and Term inology System layout Overview Section Introduction Operating PrecautionsEquipment Uploading and Downloading Programs Using a PCUsing a Terminal First Time Operation Editing programs and program ming hints Troubleshooting Where to GO from Here W3 autorun jumper Saving ProgramsSaving a Program Eprom Changing Eprom Size AutorunningPreventing Autorun Loading a Program Bsave CommandsAlternate Eproms Bload COM0 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 Memory Storing Variables in RAM Reserved Memory Block Data Transfer Assembly Language Interface Digital I/O Ports Digital and Opto PortsDigital Por t J3 Optically Isolated Input Digital I/O CommandsDigital Port P6 High Current Port L8 High 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 Section Line B Config LineCount Line Date Setting Date and TimeM E Section Writing to the Display Connecting DisplaysProgramming Example Display Types Display Connector PIN OUT Program explanation Keypad Port Keypad Port PIN OUT J5 Overvoltage conditions Connecting Analog InputsAnalog Input Initialization Examples u sing CON FIG AIN Differential ModeAcquiring Analog Data Noise Notes Temperature Measurement Analog Input Section Measuring Higher Voltages Data logging on a timer tick Amplifiers Converting Analog MeasurementsMeasuring 4-20 mA current loops Calibration External Reset Watchdog Timer Optically Isolated Interrupt Interrupt CharacteristicsProgram Example Optically isolated and TTL interrup ts Gate ProgrammingGND Load COU NT0 Further Power Reduction Power Management Program Examp le Power Management Section Technical Information Electrical Specifications Bank Mechanical SpecificationsMemory and I/O Bank MAP Jumper Descriptions