Command descriptions for the XBee/XBee-PRO RF Module
XBee / XBee-PRO RF Modules 802.15.4 Product Manual 88
T0 - T7 ((D0-D7) Output Timeout) command
<I/O Settings {I/O Line Passing}> The T0, T1, T2, T3, T4, T5, T6 and T7 commands are used to set/read
output timeout values for the lines that correspond with the D0 - D7 parameters. When output is set
(due to I/O line passing) to a non-default level, a timer is started which when expired, will set the
output to its default level. The timer is reset when a valid I/O packet is received. The Tn parameter
defines the permissible amount of time to stay in a non-default (active) state. If Tn = 0, Output
Timeout is disabled (output levels are held indefinitely).
VL (Firmware Version - Verbose)
<Diagnostics> The VL command is used to read detailed version information about the RF module.
The information includes: application build date; MAC, PHY and bootloader versions; and build dates.
This command was removed from firmware 1xC9 and later versions.
VR (Firmware Version) command
<Diagnostics> The VR command is used to read which firmware version is stored in the module.
XBee version numbers will have four significant digits. The reported number will show three or four
numbers and is stated in hexadecimal notation. A version can be reported as “ABC” or “ABCD”. Digits
ABC are the main release number and D is the revision number from the main release. “D” is not
required and if it is not present, a zero is assumed for D. “B” is a variant designator. The following
variants exist:
• “0” = Non-Beacon Enabled 802.15.4 Code
• “1” = Beacon Enabled 802.15.4 Code
WR (Write) command
AT commands: ATT0 - ATT7
Parameter range:0 - 0xFF [x 100 msec]
Default parameter value:0xFF
Minimum firmware version required: v1.xA0
AT command: ATVL
Parameter range:0 - 0xFF
[x 100 milliseconds]
Default parameter value: 0x28 (40 decimal)
Minimum firmware version required: v1.x80 - v1.xC8
AT command: ATVR
Parameter range: 0 - 0xFFFF [read only]
AT Command: ATWR
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