Remote Technologies RPC-320 manual

EXTERNAL INTERRUPT

SECTION 12

Figure 12-1 Optically isolated and TTL interrup ts

enable interrup ts.

Page 12-2 RPC-320

Image 45

Remote Technologies RPC-320 manual Optically isolated and TTL interrup ts

Contents

REV TrademarksRevision Table of Contents External Reset Sect ION 11 Watchdog Timer DescriptionInterrupt Characteristics Sect ION 13 Multi Mode Counter Description Software Revision History Section OverviewDescription Manual Organization Technical Support Symbols and Term inology System layout Overview Section Operating Precautions IntroductionEquipment Using a Terminal Using a PCFirst Time Operation Uploading and Downloading Programs Editing programs and program ming hints Troubleshooting Where to GO from Here Saving a Program Saving ProgramsEprom W3 autorun jumper Preventing Autorun AutorunningLoading a Program Changing Eprom Size Alternate Eproms CommandsBload Bsave Serial Ports COM0 Serial PortCOM1 Serial Port Serial Ports Section RS-422/485 Operating InformationRS-422/485 Termination network Accessing Serial Buffers Two wire RS-485Multidrop Network Accessing COM0 and COM1 Disabling CONTROL-CSerial Port PIN OUT RXD CTS Checking the battery Battery BackupRAM Memory Changing Memory Storing Variables in RAM Reserved Memory Block Data Transfer Assembly Language Interface Digital and Opto Ports Digital I/O PortsDigital Por t J3 Digital Port P6 Digital I/O CommandsHigh Current Port L8 Optically Isolated Input High Current Output Interfacing to switches and other devices Interfacing Digital I/O to an opto-module rackDigital I/ O prog ramm ing exam ple Ls e Width Modulation PWM Conne ctor pin ou t J3 Digital and Opto Ports Section Count Config LineLine Line B Setting Date and Time DateM E Section Connecting Displays Writing to the DisplayProgramming Example Display Types Display Connector PIN OUT Program explanation Keypad Port Keypad Port PIN OUT J5 Analog Input Connecting Analog InputsInitialization Overvoltage conditions Differential Mode Examples u sing CON FIG AINAcquiring Analog Data Noise Notes Temperature Measurement Analog Input Section Measuring Higher Voltages Data logging on a timer tick Converting Analog Measurements AmplifiersMeasuring 4-20 mA current loops Calibration External Reset Watchdog Timer Interrupt Characteristics Optically Isolated InterruptProgram Example Optically isolated and TTL interrup ts GND ProgrammingLoad Gate COU NT0 Further Power Reduction Power Management Program Examp le Power Management Section Technical Information Electrical Specifications Memory and I/O Bank MAP Mechanical SpecificationsJumper Descriptions Bank