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RS‐232/485 RF Modem Product Manual – MAN0782‐02
Programming the RS-232/485 RF Modem
AT Command Examples (RadioSet Software)
PC Settings tab
Terminal tab
For information about entering and exiting AT and Binary Command Modes, refer to the
Command Mode section [p22].
Horner has provided RadioSet software for programming the modem using an extensive list of AT
Commands. The RadioSet software provides an interface that is divided into four tabs that
facilitate the following functions:
•
PC Settings tab - Setup PC serial port to interface with an RS-232/485 RF Modem
•
Range Test tab – Test RS-232/485 RF Modem's range in varying environments
•
Terminal tab – Configure and read RS-232/485 RF Modem parameters using AT
Commands
•
Modem Configuration tab – Configure and read RF Modem parameters
To install the RadioSet Software:
Double-click the 'RadioSet.exe' file that is located on the Horner CD and under the 'Downloads'
section of the following web page:
Then follow the prompts of the installation screens.
As stated in the Serial Communications section [p16]; in order to communicate data to the RF
modem through the PC, baud (serial data rate), data bit, parity and stop bit settings on the PC
serial port must match those of the RF modem. The 'PC Settings' tab provides a software user
interface that facilitates the modification of PC serial port setting.
PC Setup
1.
Set the DIP Switch to RS-232 mode. Switch 1 is ON (up) and the remaining 5 switches are
OFF (down).
2.
Connect the male DB-9 connector of the PC with the female DB-9 connector of the RF
modem using an RS-232 cable.
3.
Power the RF modem through the power connector.
4.
Go to the PC Settings tab and select parameter values from the dropdown lists that match
the current parameter values of the RF modem.
Figure 4.2. Setup for RF Modem Configurations through RadioSet Software
A terminal program has been built into the RadioSet software and is located under the 'Terminal'
tab. The Terminal tab provides an easy-to-use interface for programming the modem.
Multiple AT Commands. Multiple AT commands can be entered on one line with one carriage
return at the end of the line. Each command must be delimited by a comma (spaces in between
are optional). The "AT" prefix is only sent before the first command and should not be included
with subsequent commands in a line.
System Response. When a command is sent to the modem, the modem will parse and execute
the command. Upon successful execution of a command, the modem returns an "OK" message. If
execution of a command results in an error, the modem returns an "ERROR" message.
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