Connect PLC Siemens S7-1200 with TeSys T via profibus

Good day.

Excuse me for the issues, but I have aLittle problem with this connection, I already make the link between this products, what i want to know now is how read the registers from the TeSys T with the PLC Siemens, I want to know how call a register from TeSys T to the PLC to save it in a memory and then work with that memory, I´m using TeSys T LTMR100PFM v2.6 with his module LTMEV40FM v1.6 and a PLC with the cpu 1212C DC/DC/DC v3.0 and his module CM 1243-5 v1.3, I attach some image of what I have, also I´m working the TeSys with the MMC L PKW EV40, the software It´s TIA Portal 13, thank you for your attention and I will aprecciate all your help.

https://support.industry.siemens.com/cs/document/47756141/how-do-you-establish-a-modbus-rtu-communication-with-step-7-(tia-portal)-for-the-simatic-s7-1200?dti=0&lc=en-WW 

using above link example u can configure ur s7-1200 as a slave.second thing which software u r using for modbus master to read register value???? can u share a snap

Hello Amannk,

but this situation is with Profibus DP not Modbus RTU. Roberto, in my opinion you must have some documentation to device, there are infos about data organization, definition. Click on your TeSys device, probably there must be defined some I/O area representing your needed data. In case of problems, device supporter can help. For DP configuration look to TIA help in Communication section with Profibus.

Hello,

only little hint, probably need set that Q areas as needed, mean look to that f.ex. there are some bits for set up some needed requirements from Slave - Auto Mode, Run revers, ... and also if some value is needed put to Slave (f.ex. speed), analog value is needed put to right offset. Sry but don't have this device here, also time to test, so only this my hint. If you set this, probably some status must be monitored to know right feedback. Look pls again to help, there must be example in my opinion for some scenarios. Give info pls.