Velodyne Digital Drive 1812 Signature Edition Manual de usuario descargar pdf (Pagina 50)

Appendix A: RS-232 Serial Overview and Commands

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Digital Drive User’s Manual

Introduction

This document outlines Velodyne’s Digital Drive (DD) RS-232 protocol specification. This

protocol indicates how Digital Drive products receive run-time commands from devices such as

Creston Universal Remote Controls.

Com Port Setup

Use standard communications settings: Baud Rate: 9600, Data Bits: 7, Parity: None, Stop

Bits: 1

DD IN and OUT Port Pin Configuration

DD serial ports use a standard configuration that allows direct connection to a PC via a FEMALE

to MALE serial cable. It uses only 3 pins (Transmit, Receive, Ground).

The pin configurations are:

IN: Pin 2 = Transmit

Pin 3 = Receive

Pin 5 = Ground

OUT: Pin 2 = Receive

Pin 3 = T

ransmit

Pin 5 = Ground

Runtime Command Format

Byte Number Byte Description Notes

0 ‘#’ Header Character

1 to 3 or 4 Command and

3 to 4 ASCII characters see formats below

Parameter Data Case sensitive - CAPS ONLY!

4 or 5 ‘$’ Termination Character (required or

command is ignored)

1 2 ... 45 46 47 48 49 50 51 52 53 54 55 56 57

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Velodyne Digital Drive 1812 Signature Edition Manual de usuario Pagina 50