Symbol Table - Siemens TX-I/O User Manual

Configurable
parameters of a binary
output channel
Important
Procedure
Definition, addition
Syntax
Step-by-step procedure
Siemens
Building Technologies
parameters can only be changed by reloading the Step7 project. In doing so, the
Profinet communication is aborted and must be restarted by the controller.
The configurable parameters differ according to the object. A description of all
possible parameters would exceed the scope of this documentation – for information,
please go to 4 – Parameters, page 24 pp. for a summary.
1. Rightclick the row with the required object
2. Context menu: Object Properties > Parameters tab
3. Edit the required parameter or parameters
The parameters are edited
 in a dropdown list box by selecting a value
 in a text box by manual input
 by selecting/unselecting a checkbox
4. OK button.
3.3.4

Symbol Table

Symbol = user designation of an input or output address.
Symbols are defined and remarked upon in the symbol table (address, address
type). The symbols can then be entered in the variable table which then appear in
the allocated symbol table in the variable table.
Operand Description
E Input bit
A Output bit
EB Input byte
AB Output byte
EW Input word
AW Output word
PEW Process input word
PAW Process output word
ED Input
AD Output
PED Process input
PAD Process output
1. SIMATIC Manager, left screen section: S7 Program(x) > menu: Insert >
Symbol table
Opens a symbol table; currently the corresponding symbol is visible on the
right of the screen:
2. Optional: Rename the symbol (Edit > Rename > Text box: Enter new name)
3. Open the symbol table (rightclick on symbol > context menu: Open object)
Opens the symbol editor
TX-I/O PROFINET BIM V1.0
Engineering
Format Example
BOOL E 8.6
BOOL A 30.1
BIN EB 10
HEX AB 11
DEC EW 100
DEC AW 120
DEC PEW 1000
DEC PAW 1020
ED 20
FLOATING
POINT
AD 30
FLOATING
POINT
DEC PED 1500
DEC PAD 1600
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CM110564en_02
23.09.2010