4 ASCII protocol communication
CP340/CP341/CP440/CP441 Communication and Programming
Entry-ID: 88867653, V1.0, 02/2014
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4.1.4 Equipment connection
Use standard RS232C cable to connect serial ports of CP340 and computer. The
detailed cable connecting method may be seen in CP340 Manual - Chapter B:
Connecting cables.
4.2 ASCII protocol communication of CP341
4.2.1 Hardware catalog
4.2.2 Configuration
1. Open the project ptp created above, and right-click the project name, select
Insert New Object->SIMATIC 300 Station to change the station name to CP341
ASCII.
Fig. 19: Insert S7-300 station
2. Double-click Hardware to enter the hardware configuration interface and insert
RACK, CPU315-2DP and CP341.