User Manual

XBee® Wi-Fi RF Modules
© 2012 Digi International, Inc. 67
Remote AT Command Request
Frame Type: 0x07
Used to query or set module parameters on a remote device. For parameter changes on
the remote device to take effect, changes must be applied, either by setting the apply
changes options bit, or by sending an AC command to the remote.
Example
: Send a remote command to query the DL register on a remote device. In this example,
the IP address of the remote is 192.168.0.100.
Frame Fields Offset Example Description
API Packet
Start
Delimiter
0 0x7E
Length
MSB 1 0x00
Number of bytes between the length and the checksum
LSB 2 0x0D
API Frame
Specific
Data
API Frame
Identifier
3 0x07
Frame ID 4 0x01
64-Bit
Destination
Address
5 0x00
Align IP address to low 32-bits of the field. The other bytes
set to 0. IP address is in hex. The address in this example is
192.168.0.100
6 0x00
7 0x00
8 0x00
9 0xC0
10 0xA8
11 0x00
12 0x64
Command
Options
13 0x02
0x02 – Apply changes on the remote. If not set then the AC
command must be sent or the last remote command sent
must set this option.
AT
Command
MSB 14 0x44(D)
Command Name - Two ASCII characters that identify the
AT command
LSB 15 0x4C(L)
Parameter
Value
-
If present, indicates the requested parameter value to set
the given register. If no characters present, register is
queried.
Checksum
16 0x99
0xFF minus the 8 bit sum of bytes from offset 3 to this
byte.