Velodyne Acoustics SMS -1 Appendix a RS-232 Serial Overview and Commands, T r o d u c t i o n

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Appendix A: RS-232 Serial Overview and Commands

I n t r o d u c t i o n

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 Por t Setup

Use standard communications settings: Baud Rate: 9600, Data Bits: 7, Parity: None, Stop Bits:1

DD IN and OUT Por t Pin Configuration

DDserial 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 = Transmit

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)

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Digital Drive User’s Manual

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Contents Digital Drive SMS-1 U t i o n At t e n t i o n Vo rs i ch t At t e n z i o n e Table of Contents I o r to installation N gr a t u l a t i o n sBefore you begin Product Features and Controls Pack age ContentsRemote Contr ol Remote Contr ol Buttons Velodyne Digital Drive remote controlInstallation Overview Digital Drive Accessor y KitSMS 1 Contr ols and Por ts Digital Drive Front and Rear Panel Connections W . v e l o d y n e . c o m Installation Quick Start Installation Step By- Step SMS 1 Cable ConnectionsWor d about SMS 1 outputs Wo r d About Inter connect Cables Wor d About Connecting mor e than one SMSW . v e l o d y n e . c o m Quick Setup Using Self EQ SMS 1 Setup OverviewOn Screen Setup Special note for 230V users with video pr oblemsIntroductory Screen EQ Setup screen System Settings Screen W . v e l o d y n e . c o m Onscreen Programming and Setup Step by- Step W . v e l o d y n e . c o m W . v e l o d y n e . c o m W . v e l o d y n e . c o m Screen should now look something like this About Room Placement W . v e l o d y n e . c o m W . v e l o d y n e . c o m W . v e l o d y n e . c o m W . v e l o d y n e . c o m W . v e l o d y n e . c o m W . v e l o d y n e . c o m W . v e l o d y n e . c o m W . v e l o d y n e . c o m W . v e l o d y n e . c o m W . v e l o d y n e . c o m W . v e l o d y n e . c o m Restoring Defaults Runtime Mode Volt Trigger Mode W . v e l o d y n e . c o m Software Updates Troubleshooting and ServiceAbout Room Equalization Care of Your Digital Drive SMSCom Por t Setup Appendix a RS-232 Serial Overview and CommandsDD in and OUT Por t Pin Configuration T r o d u c t i o nW . v e l o d y n e . c o m Function Code Description Appendix B Summary of Special Remote CodesDigital Drive Signature Other velodyne ProductsVelodyne Acoustics, Inc