hi all,

may i ask if any1 have program for modbus master for s7-300 CP 341-1CH02 ?

cos i tired on searching for program,manual explain simatic blocks but not explain how to link them togther ?

Hi,

you need to know how To link master and slave ?? Or cp and CPU configuration  ?? Pls make it brief

Eng.KhaledMohamed

hi all,

may i ask if any1 have program for modbus master for s7-300 CP 341-1CH02 ?

cos i tired on searching for program,manual explain simatic blocks but not explain how to link them togther ?

Hi,

Here is the link for the modbus master program with CP341, CP 340 and 1Si module.

Modbus Sample Project 

i need to know how link several requests on after another

servana ur program for read registers data only not write them

u have program for write registers data ?