Omron G9SP-N20S Network Connection Manual page 35

<Error response>
Variable
G9SP_Response
Data[0]
Data[1]
Data[2]
Data[3]
Data[4]
Data[5]
Data[6] to [7]
Data[8]
Data[9]
Data[10]
Data[11]
*The checksum is calculated based on ST and G9SP_ResponseData[0] to [7].
*The response length is calculated based on G9SP_ResponseData[3] to [11].
Additional Information
For details, refer to Section 7 Communications with a Standard PLC Using an Option Board
in the G9SP-series Safety Controller Operation Manual (Z922).
9.2.3. Send/Receive Messages
Data are sent in sequence from ST of the command format.
Data are received in sequence from ST of the response format.
*Send message
40 00 00
*Receive message 1 (at normal processing)
40 00 00
*Receive message 2 (at error processing)
40 00 00
Type Data
ST Start code
Response
length
End code
Data
Service code
Data
Checksum
End code
0F 4B 03 4D 00
C3 00 00 CB aa
09 00 00 CB aa
Code Remarks
#16#40 Fixed
#16#00 Fixed (Response length (HL))
#16#00 Fixed (Response length (LH))
#16#09 Fixed (Response length (LL))
#16#00 Fixed (End code (H))
#16#00 Fixed (End code (L))
#16#CB Fixed
#16#aa Reserved (Specified by user)
#16#bb Checksum (Leftmost)
#16#cc Checksum (Rightmost)
#16#2A Fixed
#16#0D Fixed
01 ..(Total of 19 bytes)
..(Total of 199 bytes)
..(Total of 13 bytes)
9. Project File
32