Yaskawa MP930 - Manual (Page 99)

Basic System Operation
3.7.1 Symbols in Drawings
3 -40
3.7 Managing Symbols
This section describes symbol management and upward linking, together with the automatic al-
location of register numbers.
3.7.1 Symbols in Drawings
The symbols used in drawings are all managed with a symbol table, such as the one shown in
Table 3.18. For details, refer to the MP9jj Ladder programming manual (SIEZ-C887-1.2).
Table 3.18 Drawing Symbol Table (Example)
No. Register No. Symbol Size * Remarks
0 IB00000 STARTPBL 1 The register number is expressed as a hexade-
cimal number.
1 OB00000 STARTCOM 1 The register number is expressed as a hexade-
cimal number.
2 MW00000 SPDMAS 1
3 MB000010 WORK-DB 16
4 MW00010 PIDDATA 10
5 MW00020 LAUIN 1
6 MW00021 LAUOUT 1
:
N
* If a program is written using data configurations such as arrays or indexed data, de-
fine the size to be used in the data configuration. For example, if the data is refer-
enced as PIDDATA_1 and i varies in a range of 0 to 9, define the size as 10.
3