Extended Addressing 9-7
To explicitly close the channel of A2400 #01:
Command:
{01CC
Response:
*
The response message is a confirmation that the channel has been closed.
A higher level of confirmation can be obtained with the long form:
Command:
}01CC
Response:
*01CC11
(‘11’ is the checksum)
The response confirms that channel ‘01’ has been closed.
The same level of confirmation can be used with the Open Channel
command:
Command:
{02OC
Response:
*
Command:
}02OC
Response:
*02OC1E
(‘1E’ is the checksum)
The explicit forms of the OC and CC commands are particularly useful in
systems where noise is present in the communications channel and data
accuracy is very important. The highest level of data security may be
achieved by using parity and command checksums:
Command:
}02CC65
(‘65’ is the checksum)
Response:
*02CC12
(‘12’ is the checksum)
Summary of Contents for OMEGABUS A2400
Page 19: ...Communication 3 3...
Page 54: ...Extended Addressing 9 2 Figure 7 1 Typical system overview...
Page 64: ...Transparent Mode 10 5 Example 4 A2400 interfacing several instruments with a string of modules...
Page 65: ...Transparent Mode 10 6 Figure 10 5 Adding secondary control using A2400 modules...
