ASTRO VG-871 - Type 2

10
1.10.2 Type 2
This is the sequence when commands consisting of only a command and parameters (if
required) only are transmitted.
Fig. 1-10-2-1
Flow
Command
Send/receive direction
1
STX
Command*
(Parameters)
ETX
Send
2a (Successful)
ACK
Receive
2b (Failed)
STX
ESTS
Error code
ETX
Receive
Fig. 1-10-2-2
* It is assumed here that the following three codes are entered in the command portion.
VG4CMD
Command 1
Command 2