The ArbID column is where you enter the Arbitration ID for a CAN Message.It is displayed in hexadecimal format.
The ArbID can use the Standard 11 bit or Extended 29 bit formats depending what Type is chosen for the message.
An 11 bit ArbID will range from $000 to $7FF. (3 characters wide)
A 29 bit ArbID will range from $00000000 to $1FFFFFFF. (8 characters wide)