LS Industrial Systems MASTER-K80S, Руководство пользователя

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Chapter8 Communication Function
8-12
←
Computer request format (PC
→
MK80S Base Unit)
Format name Header Station No. Command
Command
type
Number of
blocks
Variable
length
Format
name
Devicelength Format name Tail
Frame
check
Ex. of frame ENQ H01 r SS H02 H05 %MW20 H06 %PW001 EOT BCC
ASCII value H05 H3031 H72 H5353 H3032 H3035
H254D57
3230
H3036
H25505730
3031
H04
↑
For ACK response after execution of command(PC
←
MK80S Base Unit)
Format name Header Station No. Command
Command
type
Number of
blocks
Number of
data
Data
Number of
data
Data Tail
Frame
check
Ex. of frame ACK H01 r SS H02 H02 H1234 H02 H5678 ETX BCC
ASCII value H06 H3031 H72 H5353 H3032 H3032 H31323334 H3032 H35363738 H03
→
For NAK response after execution of command(PC
←
MK80S Base Unit)
Format name Header Station No. Command Command type Error code Tail Frame check
Ex. of frame NAK H01 r SS Error code (2) ETX BCC
ASCII value H15 H3031 H72 H5353 Error code (4) H03
※
Frame check BCC is automatically calculated internally.