Hi all!

So, we are monitoring pumping stations using CP 1242-7 & Telecontrol Server Basic & GPRS. Lately we changed our telephone provider.

After changing SIM cards (new card in CP 1242-7 slot), while not having changed anything in GPRS settings, we discovered that we still have a connection between pumping stations and control station-

Checked out using TeamViewer, visualisation in control station reflects changes at pumping station.

That made me look closer into GPRS parameters in PLC program (new in programming).

Fields under CP 1242-7 > Properties > Telecontrol interface (TiaPortal v14 UPD2) were empty, except Teleservice settings > 1. Teleserver port and 2. Teleserver port - both 55097.

Found and removed GPRS data (APN, IP, DNS) from two database blocks. Remaining declarations meanings seemed clear, so I was sure there is no more GPRS settings in program database.

Also removed settings from HMI panel.

-Still connected!

Any idea from where to find the working set of GPRS settings ?

Hello

Perhaps this basic FAQ helps:

https://support.industry.siemens.com/cs/ww/en/view/58638283

Wish you the best

Bye Murof