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6.3.2
Basic configuration in STEP 7
Hardware configuration
You configure the hardware of the CP as usual in STEP 7 / HW Config. You will find the
CP 343-1 ERPC in the module catalog of HW Config in the following folder:
SIMATIC 300 → CP-300 → Industrial Ethernet → CP 343-1 ERPC → 6GK7 343-1FX00-0XE0
Insert the CP in the rack in slot no. 4 or higher.
Configuring the CP properties
The functions of the CP are configured in STEP 7 / HW Config in the properties dialog of the
CP.
You will find detailed information on the general configuration of the CP in /1/.
6.3.3
Configuration of the symbol table and the ERPC symbols
Creating and configuring the symbol table
Create a simple table in the blocks folder of the CPU of the relevant station in your STEP 7
project. There, you configure the data areas / variables you require for the logical trigger or
for other purposes as symbols.
You will find information on the symbol table in the STEP 7 online help and in /8/.
Configuring the ERPC symbols
Follow the steps outlined below to configure ERPC symbols:
1. Open the S7 station in HW Config.
2. Open the properties dialog by double-clicking on the CP.
3. Open the "ERPC Symbols" tab.
CP 343-1 ERPC
Manual, 03/2010, C79000-G8976-C239-02
If you have not yet selected any symbols for ERPC, the table is empty. If you have
already selected symbols for ERPC, they will be displayed here.
ERPC functions
6.3 Configuration
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