Abx Fast - Response Packet Structure; Table 6-3: Abx Fast - Response Packet Structure - EMS COBALT C0405 Series Operator's Manual

6 . 2 . 3
A B x F a s t - R e s p o n s e P a c k e t S t r u c t u r e
After performing a command, the C0405 will generate a host-bound response packet.
ABx Fast responses contain a Response Header, Response Size, Command Echo,
one or more Response Values (when applicable), and a Response Terminator.
R E S P O N S E P A C K E T E L E M E N T
RESPONSE HEADER:
First two bytes of an ABx Fast response packet
RESPONSE SIZE:
This two-byte integer defines the total number of bytes
in the response packet (excluding header, size,
checksum and terminator).
COMMAND ECHO:
The single-byte parameter identifies the command for
which the response packet was generated.
RETRIEVED DATA:
This parameter is used to hold one or more bytes of
data that was requested by the command (when
applicable).
CHECKSUM:
This optional parameter holds a single-byte checksum
(only applicable when using ABx Fast with
Checksum).
RESPONSE TERMINATOR:
Single-byte response packet terminator (always 0x03)
C 0 4 0 5 - X X X - 0 1 O P E R A T O R ' S M A N U A L – R E V . 0 3
C H A P T E R 6 : C O M M A N D P R O T O C O L S

Table 6-3: ABx Fast - Response Packet Structure

C O N T E N T S I Z E
0x02, 0x02 2 bytes
0x0001 2-byte integer
0x06 1 byte
Data 1 or more bytes
(when
applicable)
Optional 1 byte
(when
applicable)
0x03 1 byte
P A G E 5 5 O F 7 5