Siemens SIMATIC S7 CP340 - CP340 Properties Dialog Box; Protocol Selection

4 ASCII protocol communication
CP340/CP341/CP440/CP441 Communication and Programming
Entry-ID: 88867653, V1.0, 02/2014
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4. Double-click CP340 module, and click Parameter... to configure CP340
parameters.
Fig. 5: CP340 Properties dialog box
5. Select ASCII from Protocol options.
Fig. 6: Protocol selection