Ametek 5800 User Manual page 60

Figure 5-2.
Slave response
message format.
Figure 5-3.
Message format for
slave acknowledge.
Figure 5-4.
Slave failure response
format.
5-2 | 5830 Moisture Analyzer
The checksum for a slave response is the modulo 256 sum of all characters
preceding the checksum including the response code. The message format
for slave responses containing a data field is seen in Figure 5-2.
Response Code
The message format for slave acknowledge without a data field is seen in
Figure 5-3 .
Response Code
The message format for slave failure response is seen in Figure 5-4.
Command Code
Data
A
A
N
End Flag
Checksum
End Flag
End Flag
Error Code