IMO Precision Controls K7 Series, User Manual

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Chapter8 Communication Function
8-23
(3) Response Format(ACK response)
Format name Header Station No. Command
Registration No. Tail Frame check
Frame (Example) ACK H10 X(x) H09 ETX BCC
ASCII value H06 H3130 H58(78) H3039 H03
Item Explanation
BCC
When command is lowercase(r), only one lower byte of the value resulted by adding 1 Byte
each to ASCII values from ACK to ETX is converted into ASCII and added to BCC, and
sent.
(4) Response Format(NAK response)
Format name Header Station No. Command
Registration
No.
Error code
(Hex 2Byte)
Tail
Frame
check
Frame (Example) ACK H10 X(x) H09 H1132 ETX BCC
ASCII value H06 H3130 H58(78) H3039 H31313332 H03
Item Explanation
BCC
When command is one of lower case(r), only one lower byte of the value resulted by adding
1 Byte each to ASCII values from NAK to ETX is converted into ASCII and added to BCC,
and sent.
Error code
Hex and 2 bytes(ASCII code, 4 bytes) indicate error type. For the details, see 8.1.8 Error
codes.