Automation– and Drive Technology- SCE
10.The Data Block is generated with a symbol Name. The Type, an Initial value as well as a Comment (optional) are entered.
The address is automatically generated and cannot be altered.
The data block can be saved 
and downloaded into the PLC 
. The mode switch on the PLC must be on STOP! ( Name Type Initial value Comment 
)
Symbolic name which is referenced to the absolute address.
The absolute address is created from STEP 7, when the DB is compiled or saved.
The address format is BYTE, BIT.
Over this address, the data elements can also be accessed. (e.g. over download- and compile operations or in logical operations.).
Desired data |
| Initial value , to which |
| Comment for |
type (see below) |
| the data type must be |
| documentation |
for your data |
| compatible ( optional ). |
| ( optional ). |
element. |
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Note: If the data block is assigned as a local instance DB to a FB, the declarations table of the FB declares the structure of the DB.
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Forward | Notes | Generating data blocks |
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T I A Training document | Page 13 of 18 |
| Module B4 | |
Last revision: 02/2002 |
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| Data blocks | |
