TABLE OF CONTENTS

SECTION 1 OVERVIEW

 

DESCRIPTION

1-1

MANUAL ORGANIZATION

1-1

MANUAL CONVENTIONS

1-1

Symbols and Term inology

1-2

TECHNICA L SUPPORT

1-2

SECTION 2 SETUP AND OPERATION

 

INTRODUCTION

2-1

OPERATING PRECAUTIONS

2-1

EQUIPMENT

2-1

FIRST TIME OPERATION

2-2

Using a PC

2-2

Using a Terminal

2-2

UPLOADING AND DOWNLOADING

 

P R OG R AM S

2-2

Editing pr ogram s and pro gram ming hints

2-3

WHERE TO G O FROM H ERE

2-4

TROUBLESHOOTING

2-4

SECTION 3 S A VI N G P R OG R AM S

 

INTRODUCTION

3-1

SAVING A PROGRAM

3-1

AUTORUNNING

3-2

PREVENTING AUTORUN

3-2

LOADING A PROGRAM

3-2

C H A N GI N G E P R OM S IZ E

3-2

A L T ER N A TE E P RO M S

3-3

COMMANDS

3-3

SECTION 4 SERIAL PORTS

 

DESCRIPTION

4-1

COM0 SERIAL PORT

4-1

COM1 SERIAL PORT

4-1

RS-422/485 OPERATING INFORMATION .

4-2

RS - 422/485 Termination network

4-2

Two wire RS-485

4-3

Multidrop Network

4-3

ACCESSING SERIAL BUFFERS

4-3

A C C E SS IN G C OM 0 A ND C O M 1

4-4

DISABLIN G CON TROL -C

4-4

SERIAL PORT PIN OUT

4-4

SECTION 5 RAM ME MORY

 

INTRODUCTION

5-1

CHANGING M EMORY

5-1

BATTERY BACKUP

5-1

Checking the battery

5-1

RESERVED ME MORY

5-2

STORING VARIABLES IN RAM

5-2

BLOCK DATA TRANSFER

5-3

ASSEMBLY LANGUAGE INTERFACE . .

5-3

COMMANDS

5-3

SECTION 6

DIGITAL AND OPTO PORTS

 

INTRODUCTION

6-1

DIGITAL I/O PORTS

6-1

Digital Port J3

6-1

Digital Port P6

6-2

High Current Port L8

6-2

Optically Isolated Input

6-2

Digital I/O Com mands

6-2

High Curr ent Output

6-3

Interfac ing Digital I/ O to an opto- module

 

 

rack

6-4

Interfacing to switches and other devices

6-4

Digital I/ O pro gram ming exa mple . . . .

6-4

Pulse Width Modulation (PWM)

6-5

COMMANDS

6-6

SECTION 7

CALENDAR/CLOCK

 

DESCRIPTION

7-1

S E TT I NG D A TE A N D T I M E

7-1

COMMANDS

7-1

SECTION 8

DISPLAY PORT

 

INTRODUCTION

8-1

CONNECTING DISPLAYS

8-1

WRITING TO THE DISPLAY

8-1

PROGRAMMING EXAMPLE

8-1

DISPLAY TYPES

8-2

DISPLAY CONNECTOR PIN OUT

8-2

COMMANDS

8-2

SECTION 9

KEYPAD PORT

 

INTRODUCTION

9-1

PROGRAMMING EXAMPLE

9-1

KEYP AD P ORT P IN OU T - J5

9-2

SECT ION 10 ANALOG INPUT

 

DESCRIPTION

10-1

CONNECTING ANALOG INPUTS

10-1

Overvoltage conditions

10-1

Grounding

10-1

INITIALIZATION

10-1

Differential Mode

10-2

Examples using CON FIG AIN

10-2

Acquir ing Analog Data

10-2

Noise Notes

10-3

Temper ature Measur ement

10-3

Data logging on a timer tick

10-4

MEASURING HIGHER VOLTAGES . . . .

10-4

CONVERTING ANALOG MEASUREMENTS 10-4

Measuring 4-20 mA current loops

10-4

AMPLIFIERS

10-5

CALIBRATION

10-5

COMMANDS

10-5

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Remote Technologies RPC-320 manual Table of Contents