12
1.10.4
Type 4
This is the sequence for sending the VG data.
Fig. 1-10-4-1
Flow
Command
Send/receive direction
1
STX
Command*1 (Parameters)
ETX
Send
2a (Successful)
ACK
Receive
2 b (Failed)
STX
ESTS
Error code
ETX
Receive
3
STX
TRDT
Data
ETX
Send
4a (Successful)
ACK
Receive
4b (Failed)
STX
ESTS
Error code
ETX
Receive
Fig. 1-10-4-2
Note1) It is assumed here that the following three codes are entered in the command
portion.
VG4CMD
Command 1 Command 2
Note2) The flow is terminated at 2b if communication failed.
Summary of Contents for VG-870
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