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