Topological Addresses of PL7 Micro in the Conversion Wizard
(Original Document)
Overview
The IO Remapping tab of the conversion wizard shows the I/O objects of an analyzed legacy application in a table view.
By means of this table view you can remap I/O objects before conversion.
For detailed information on the conversion wizard, please refer to chapter Conversion Wizard.
Address Column
Topological addresses, coming from PL7 Micro are represented in the Address column of the conversion wizard with the following syntax:
The above shown syntax is an extension of Control Expert syntax to reflect the potential sub modules of PL7.
The different elements of the syntax are described below.
For detailed address description please refer to chapter Direct Addressing Data Instances.
Brackets and separators
Element
Description
[...]
square brackets
Square brackets imbed a choice.
|
choice separator
A choice separator indicates a choice (OR).
{...}
curly braces
Curly braces imbed an option.
Letters
Element
Description
M
Memory
I
input
Q
Output
K
constant
B
Byte
W
Word
D
Double Precision
F
Float
NOTE: Modicon M340 CPUs do not support %MD and %MF.
Element
Value
Description
Bus Alias
≥ 2
bus alias number for Control Expert:
  • 2 for FIPIO
  • >2 for ASI and others
Connection Point
1 => 62
or any connection point
connection point of the module on the bus
Rack
0 => 7
or any rack number
  • rack number for in-rack syntax
  • rack number for FIPIO syntax
  • 0 for ASI bus
Module
1 => 14
or any module number
  • module number for in-rack syntax
  • module number for FIPIO syntax
  • 0 for ASI bus
Channel
0 => 63
or any channel number (MOD included)
(PL7: 0..127 or MOD)
channel number (MOD excluded)
Sub Module
module dependent
for specific CPUs, analog modules, communication modules
Sub Channel
module dependent
for specific CPUs, analog modules, communication modules
Bit Selector
1 => 16
bit out of a word
MOD
module dependent
module information
ERR
module dependent
error bit
MOD.ERR
module dependent
module error bit
Syntax of I/O Objects
For the detailed syntax of I/O objects and their correspondences in Control Expert please refer to Correspondences between PL7 and Control Expert: language objects.