2. Configuring an I/O Master
Turn Off Delay
Setting
Description
Options:
Any number between 0 and 9.
Terminal Menu:
(1) Edit Baud Rate > Turn Off Delay
Description:
l
Specifies the time after the end of transmission of a character to the
RS485 bus that the radio stops driving the bus and releases the bus to
other devices.
l
The units are ¼ of a character with a range from 0 to 9.
l
An entry of
4
means a delay equivalent to the duration of a full
character.
l
Turn Off Delay
must be set to a value of at least
4
for RS422 and
RS485 operation.
l
The default is zero delay.
l
For data rates of 1200 bits/S or slower, avoid setting the
Turn Off Delay
parameter higher than
4
.
l
At those rates the functionality of the microprocessor changes so that
a
Turn Off Delay
of
5
has the same effect as if set to
1
, and a setting
of
6
has the same effect as
2
, and so on.
2.4.8 Turn On Delay
Turn On Delay
Setting
Description
Default Setting:
0 ms
Options:
Any number between 1 and 9 ms.
Terminal Menu:
(1) Set Baud Rate > (E) Turn On Delay
Description:
Sets the delay between when the line drivers are turned on and when the data
leaves the data port.
2.4.9 Use Break to Access Setup
Note
: This setting is typically only used in OEM scenarios.
Use Break to Access Setup
Setting
Description
Default Setting:
Disabled
Options:
l
(0) - Disabled - The break command is disabled in the radio.
Page 34 of 131
LUM0008AG Rev Sep-2015
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