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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 SubContractor (SC) RS-232 protocol specification. This
protocol indicates how SC 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: 8, Parity: None,
Stop Bits: 1
S C 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
SC serial ports use a standard configuration that allows direct connection to a PC via a FEMALE
to MALE serial cable. It uses only three 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
0
1 to 3 or 4
4 or 5
.
w w w . v e l o d y n e . c o m
Byte Description
'#'
Command and
Parameter Data
'$'
Notes
Header Character
3 to 4 ASCII characters see formats below
Case sensitive - CAPS ONLY!
Termination Character (required or
command is ignored)
SC-602 Amplifier User's Manual
®
18
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