Table of Contents
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Overview of the RS232 Interface
Overview
This manual contains information on how to setup and
install an RS232 Interface. It also contains information
regarding the RS232 command set and how to
interface the RTA-RS232 with equipment external to
the RadioTouch
System.
TM
The RTA-RS232 allows an external device, such as a
touch screen, to control RadioTouch
window shading loads.
The RadioTouch
RS232 Interface is capable of
TM
controlling 10 unique lighting, Sivoia
contact closure output zones in the RadioTouch
System.
NOTE: The RS232 Interface will not operate
until it has been programmed.
• After 10 minutes with no button presses, the display
will turn OFF. To restore the display, press and
release any button on the RS232 Interface or send
an RS232 command.
4
RadioTouch
Setup Guide for RTA-RS232
TM
lighting and
TM
shading or
®
TM
Left Scroll
button scrolls
the left
Display
RS232
Connector
TX LED
flutters when
RTA-RS232
is
transmitting
any RS232
data
RX LED
flutters when
RTA-RS232
is receiving
any RS232
data
Antenna for
Radio Frequency
communication
RadioTouch
TM
RTA-RS232
Radio Frequency
Interface
INTERFACE CONTROL
PELV(CLASS 2:USA)
Coopersburg, PA 18036
Display
Power
9V
RS232 Connector
AC IN
Status
Left
Right
LED
Scroll
Scroll
Mode
Enter
Address
Power
TX
RX
OR
See the RTA-RS232 Setup Guide for interface
Optional Terminal
programming and operation instructions. For
Block Connector
additional system details consult the
RadioTouch
Installers Guide, which is
TM
1 2 3
included with each RadioTouch
Controller.
TM
RadioTouch is a trademark of Lutron Electronics Co., Inc.
This product may be covered by one or more of the following
U.S. patents: 5,248,919; 5,399,940; 5,736,965; 5,798,581;
5,838,226; 5,848,054; 5,905,442, 5,982,103
P/N 500-9258 Rev A
For additional assistance call the Lutron Technical
Support Center at
(800) 523-9466.
TX
RX
Mode button
Enter button
cycles through
selects
modes of
displayed
operation
option
Display
Right Scroll
button scrolls
the right
Display
Power jack
Power LED
indicates
RTA-RS232
has power
Address
button
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