LG MASTER-K 120S Series User Manual page 213

Chapter 8 Communication Functions
(5) Example
This example supposes that device M000 of station NO. 1 is monitor registered.
① Computer request Format (PC → MASTER-K120S main unit)
Format name Header Station No. Command
Frame (Example) ENQ
ASCII value H05
② For ACK response after execution of command(PC ← MASTER-K120S main unit)
Format name
Frame (Example)
ASCII value
③ For NAK response after execution of command (PC ← MASTER-K120S main unit)
Format name
Frame (Example)
ASCII value
Registration
No.
H01 x H01
H3031 H78 H3031
Header Station No.
ACK H01
H06 H3031
Header Station No. Command
NAK H01
H15 H3031
Registration Format
Number of
R## Device length Device name
blocks
RSS H01
H525353 H3031
Registration No.
Command
x H01
H78 H3031
Registration No.
x H01
H78 H3031
8-23
Tail
H06 %MW000 EOT
H255457
H3036 H04
303030
Tail Frame check
ETX BCC
H03
Error code Tail Frame check
Error code (2) ETX
Error code (4) H03
Frame check
BCC
BCC