Appendix A: RS-232 Serial Overview and Commands
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Digital Drive User’s Manual
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.
C o m P o r t S e t u p
Use standard communications settings: Baud Rate: 9600, Data Bits: 7, Parity: None, Stop
Bits: 1
D D I N a n d O U T P o r t P i n C o n f i g u r a t i o n
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 = 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)
Summary of Contents for Digital Drive 1812
Page 1: ...Digital Drive U S E R S M A N U A L Featuring Software Version 2 0 Series...
Page 2: ...Caution i w w w v e l o d y n e c o m Digital Drive User s Manual...
Page 3: ...Attention ii w w w v e l o d y n e c o m Digital Drive User s Manual...
Page 4: ...Vorsicht iii w w w v e l o d y n e c o m Digital Drive User s Manual...
Page 5: ...Attenzione iv w w w v e l o d y n e c o m Digital Drive User s Manual...