Chapter 6: Operating Instructions for Other Auxiliary
Functions
DTM temperature controller operating manual
Figure -Schematic diagram of self-definition of functions (self-defined)
Note: The arrangement of group field content of self-definition of functions (self-defined) will affect the
communication efficiency. If you need to write a large number of parameter addresses at once, avoid the
DTM host from intermittently writing to different slaves, but try to keep writing the data of the same station
number, then write down another station number after completion.
For example, as shown in the left picture below, the best arrangement for the group column content of
self-definition of functions (self-defined) is to arrange the same function parameter addresses of the same
device together, SVxy (representing the SV of channel y of station number x).
The picture on the right below is a poor arrangement, which will cause the DTM host to intermittently write
to different slaves.
command
Read communication address
After self-definition of functions
Perform self-definition of functions
Corresponding communications block
Communications address
definition block
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