- ROBOTIS Dynamixel RX-28 User's Manual
DYNAMIXEL 
RX-28 
4-4. PING 
Function
  Does not command any operations. Used for requesting a status packet or to check the 
existence of a Dynamixel actuator with a specific ID. 
Length  0X02 
Instruction  0X01 
Parameter 
NONE 
Example 3  Obtaining the status packet of the Dynamixel actuator with an ID of 1
  Instruction Packet : 0XFF 0XFF 0X01 0X02 0X01 0XFB` 
   ID LENGTH INSTRUCTION CHECKSUM 
The returned Status Packet is as the following 
Status Packet : 0XFF 0XFF 0X01 0X02 0X00 0XFC 
   ID LENGTH ERROR CHECKSUM 
  Regardless of whether the Broadcasting ID is used or the Status Return Level (Address 
16) is 0, a Status Packet is always returned by the PING instruction. 
4-5. RESET 
Function
  Changes the control table values of the Dynamixel actuator to the Factory Default Value 
settings 
Length  0X02 
Instruction  0X06 
Parameter 
NONE 
Example 4  Resetting the Dynamixel actuator with an ID of 0
  Instruction Packet : 0XFF 0XFF 0X00 0X02 0X06 0XF7` 
   ID LENGTH INSTRUCTION CHECKSUM 
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