beautypg.com

Dynamixel dx-116 – Robotis DX-116 User Manual

Page 12

background image

11

English Translation by: Tribotix Pty Ltd

www.tribotix.com

DYNAMIXEL

DX-116

OXFF 0XFF ID LENGTH ERROR PARAMETER1 PARAMETER2…PARAMETER N

CHECK SUM

The meaning of each byte within the packet is as follows:-

0XFF 0XFF

Two 0XFF bytes indicate the start of a packet

ID

ID of the Dynamixel which is returning the packet.

LENGTH

The length of the Status Packet. The value is “Parameter number (N) + 2”.

ERROR

Dynamixel communication error flags. The meaning of each bit is as follows:

PARAMETER0…N

Used when additional information is required.

CHECK SUM

Calculation method of ‘Check Sum’is as follows:

Check Sum = ~( ID + Length + Instruction + Parameter1 + … Parameter N )

If the calculated value is bigger than 255, the lower byte becomes the checksum.

~ represents the Not or complement operation

Bit

Na me

De ta ils

Bit 7

0

-

Bit 6

Ins tr uc tion

Er r or

Se t to 1 if a n unde fine d ins tr uc tion is give n without
the r e g_w r ite ins tr uc tion.

Bit 5

Ove r loa d

Er r or

Se t to 1 if the s pe c ifie d tor que c a n't c ontr ol the
loa d.

Bit 4

Che c ks um

Er r or

Se t to 1 if the c he c ks um of the intr uc tion pa c ke t is
inc or r e c t

Bit 3

Ra nge Er r or

Se t to 1 if the intr uc tion is out of the us a ge r a nge

Bit 2

Ove r he a ting

Er r or

Se t a s 1 if the inte r na l te mpe r a tur e of Dyna mix e l is
out of the ope r a tive r a nge a s s e t in the c ontr ol
ta ble .

Bit 1

Angle Limit

Er r or

Se t a s 1 if the Goa l P os ition is s e t outs ide of the
r a nge be twe e n CW Angle Limit a nd CCW Angle
Limit.

Bit 0

Input Volta ge

Er r or

Se t to 1 if the volta ge is out of the ope r a tive r a nge
s e t in the c ontr ol ta ble