LG GLOFA-GM Series User Manual page 20

Chapter 2 Definition of terms
ACK, EOT, ETX ] for synchronization, parity for detecting error, and BCC. The structure of frame used for serial
communication of Cnet is as follows.
[Structure of general TX / RX frame]
Required frame
Station
No.
Header
(1) Header : ASCII value indicating frame start.
(2) Tail : ASCII value indicating frame end.
(3) BCC (Block Check Character) : BCC as of check data for TX / RX frame is to inspect reliability of data
with such various methods as ADD, OR, EXR and MULTIPLY.
Parameter by command
Command
Segment
Header
Station
No.
Tail
2-6
Segment
Tail
Result
Command
treated