Siemens SIMATIC S7 CP340 - Page 64

5 MODBUS RTU Protocol communication
CP340/CP341/CP440/CP441 Communication and Programming
Entry-ID: 88867653, V1.0, 02/2014
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Fig. 116: Distribution of MODBUS Slave addresses
8. FC04 configuration output register data area also corresponds to Siemens data
area DB block.
Fig. 117: Distribution of MODBUS Slave addresses
9. Set write parameter limit values of FC05，06，15，16 :
Fig. 118: Distribution of MODBUS Slave addresses