Siemens SIMATIC S7 CP340 - CP341 Properties Dialog Box

4 ASCII protocol communication
CP340/CP341/CP440/CP441 Communication and Programming
Entry-ID: 88867653, V1.0, 02/2014
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Fig. 20: Configuration hardware
3. Double-click CP341 module, and click Parameter... to configure CP341
parameters.
Fig. 21: CP341 Properties dialog box
4. Select ASCII protocol from Protocol options.