[?]: S7-226 and Modbus

SIMATIC S7-200/300/400, Step7, PCS7, CFC, SFC, PDM, PLCSIM,
SCL, Graph, SPS-VISU S5/S7, IBHsoftec, LOGO ...
chriss_russell
Posts: 21
Joined: Tue Jan 05, 2016 1:59 am

[?]: S7-226 and Modbus

Post by chriss_russell »

hey this is my first project and would love some assistance I have a S7 226 CPU at present

I want to use it to measure the level of 4 level probes over Modbus on port 1

also I want to send this information to a HMI over MPI/ PPI on the other port 0 located over 50m away through 485 repeater

I have step 7 microwin with Mobus libraries

1) is this possible ?????????????
2) would anyone recommend an easier solution using s7 200
3)can I get some programing tips being my first project
chriss_russell
Posts: 21
Joined: Tue Jan 05, 2016 1:59 am

Re: [?]: S7-226 and Modbus

Post by chriss_russell »

I'm thinking of going s7 300 to measure the 4 meters via profibus is the possible to go directly from plc to meters profibus chain