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Siemens SIMATIC S7 CP340 - Page 39

Siemens SIMATIC S7 CP340
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5 MODBUS RTU Protocol communication
CP340/CP341/CP440/CP441 Communication and Programming
Entry-ID: 88867653, V1.0, 02/2014
39
Siemens AG 2014 All rights reserved
Fig. 65: Distribution of MODBUS Slave addresses
9. Setting limit values for writing parameters
Fig. 66: Write parameter limit values for MODBUS Slave
10. If CP341 in RS422/485 interface is selected, the interface type shall also be set
as shown in the Fig. below, and other parameters shall be in default settings.
Fig. 67: Interface parameter assignment of MODBUS Slave
11. After configuration completes, a prompt will ask you whether you load the driver
before it is saved.

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