4-7
4-2-2 Response Frame
H Response Frame Structure
D When Command Frame is Normal
“0” “0” “0” “0” “0” “0”
STX Node No. Subaddress End code FINS-mini response text (PDU) ETX BCC
No. of bytes 1 2 2 2 1 1
(02
Hex)
(03
Hex)
STX A code signifying the beginning of a communications frame (text). 02 Hex is
set.
Node No. The node number of a Cam Positioner. “00” is set.
Subaddress The subaddress of a Cam Positioner. “00” is set.
End code “00” is set at normal termination.
FINS-mini response text A response PDU (protocol data unit) is set.
ETX A code signifying the end of text. 03 Hex is set.
BCC
(block check character)
BCC is set as the calculation result of exclusive OR of the data from the
node number to ETX.
D When FINS-mini Command is Not Executed
“0” “0” “0” “0” “0” “F”
STX Node No. Subaddress End code FINS-mini response text (PDU) ETX BCC
No. of bytes 1 2 2 2 1 1
(02
Hex)
(03
Hex)
End code “0F” is set when the specified FINS-mini command is not executed. Details
on non-execution can be checked with FINS response code.
D When Command Frame is Abnormal
“0” “0” “0” “0”
STX Node No. Subaddress End code ETX BCC
No. of bytes 1 2 2 2 1 1
(02
Hex)
(03
Hex)
End code End code differs with the type of error.
Communications Chapter 4