IMO Precision Controls K7 Series User Manual page 143

Chapter8 Communication Function
(3) Response Format(ACK response)
Format name Header
Frame (Example) ACK
ASCII value H06
Item
When command is lowercase(r), only one lower byte of the value resulted by adding 1 Byte
BCC 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
Frame (Example) ENQ
ASCII value H05
Item
When command is lowercase(r), only one lower byte of the value resulted by adding 1 Byte
BCC each to ASCII values from NAK to ETX is converted into ASCII and added to BCC, and
sent.
Hex and 2 bytes(ASCII code, 4 bytes) indicate error type. For the details, see 8.1.8 Error
Error code
codes.
Station No. Command
H10 W(w)
H3130 H57(77)
Explanation
Station No. Command Command type
H10 W(w)
H3130 H57(77)
Explanation
8-20
Tail
Command type
SB ETX
H5342 H03
Error code
(Hex 2 Byte)
SB H1132
H5342 H31313332
Frame check
BCC
Frame
Tail
check
EOT BCC
H03