2008

Table Of Contents
Overview of the PLC database file
You can modify the PLC database file manually or using the PLC Database
File Editor (page 232)(recommended method). The AutoCAD Electrical PLC
database file (ace_plc.mdb) is installed in the C:\Documents and
Settings\{username}\My Documents\Acade {version}\AeData\Plc subdirectory.
By default the AutoCAD Electrical PLC database file contains the are
"PLC_Manufacturer", "PLC_MSG" and "PLC_Styles" tables in addition to several
module specification and module terminal information tables.
NOTE PLC Parametric build symbols are best to be used on ANSI D-Size and IEC
A1 page sizes.
This table lists the Manufacturer, Series, Type and Table
Name.
PLC_Manufacturer
This table is for internal use only. It is recommended that
you do not edit this table.
PLC_MSG
This table lists the box settings on a per-style basis.PLC_Styles
There are two tables for each module type. The Module Specification table
contains information such as the model number, type, description, rating,
and rectangle offset values. The Module Terminal Information table (ends
with "_Data") contains terminal information such as code value, terminal
sequence number, block name, and terminal attributes.
Module Specification table
Example: "allen-bradley_1746_analog_input"
This file lists information that appears in the module's selection line listed in
the bottom half of the PLC Module Selection dialog box.
Model numberCODE
Module typeTYPE
Number of I/O pointsPOINTS
Overview of the PLC database file | 225