Yaskawa MP930 - Manual (Page 102)

3.7 Managing Symbols
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3.7.4 Automatic Register Number Allocation
Table 3.21 shows the register numbers for which automatic allocation is possible and those for
which it is not possible. For details on the automatic allocation of register numbers, refer to
the MP9jj Ladder programming manuals (SIEZ-C887-1.2) and the MP9jj Programming
Software User’s Manuals (SIEZ-C887-2.2-1, SIEZ-C887-2.2-2) .
Table 3.21 Automatic Allocation of Register Numbers
Drawing Symbol
Table
Automatic Number
Allocation
Function Symbol Table Automatic Number
Allocation
System registers S Yes System registers S Yes
Input registers I Yes Input registers I Yes
Output registers O Yes Output registers O Yes
Data registers M Yes Data registers M Yes
# registers # Yes # registers # Yes
C registers C Yes C registers C Yes
D registers D Yes D registers D Yes
− − Function input registers X No
− − Function output registers Y No
− − Internal function registers Z Yes
− − External function registersA No
Yes: Automatic number allocation possible
No: Automatic number allocation not possible
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