Licensing - Siemens SIMATIC S7 Manual

5

Licensing

General
Read the
IDENT_CODE
MODBUS / TCP communication via the integrated PN interface of the CPU
2XV9450-1MB02; Manual edition 2.1
The block MODBUSPN must be licensed for each CPU individually. The
licensing takes place in two steps: reading the IDENT_CODE and declaring
the registration key REG_KEY.
To read the IDENT_CODE please proceed as follows:
1. Parameterize the block in the cyclic OB (OB1 or cyclic interrupt OB),
in OB100 and OB121 according to your requirements. Transfer the
program to the PLC and turn it to RUN mode.
2. Open the instance DB of the block MODBUSPN. „Data block" ->
„Open Online" to open the DB.
Monitoring the block via the button
Licensing
is insufficient.
5-1