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102
ICC
Figure 118: Reading Via Multiple MSG Instructions
13.3.5 SLC-5/05 Example: Reading and Writing
Often times, applications may need to both read data from and write data to the
drive. At a minimum, this will require two MSG instructions and two message control
files. Figure 119 shows an example of two MSG instructions, one for reading and
one for writing. Note that the “Read/Write” field of each of the MSG instructions is
set according to their function.
Figure 120 shows the configuration details of the “write” MSG instruction. Note that
this instruction will only be writing to one drive register: namely, the frequency
command (Target Data Table Address is N20:8, which equates to drive register
1008). The source Data Table Address in this case is N18:7.