With TeleService, remote servicing of SIMATIC S7 automation systems or HMI devices is possible using the programming device or PC over a fixed line/wireless network or via the Internet (TS Adapter IE Advanced). With the help of TeleService, the connection to the automation components is extended over the telephone network to the programming device or PC. The functions to be performed, such as programming, are completed using the same tools and functionality as if the job was being done locally. The user has access to the familiar functions of STEP 7 and the engineering tools, comparable to a local connection.

TeleService increases the effective availability of plants and machines. Access through TeleService means that technical services (e.g. maintenance, updating, and troubleshooting) can be performed cost-effectively from a central service center.

Apart from teleservice, a remote link to a programming device or PC can be established program-controlled using a function block call. This link allows process data to be exchanged between an S7 CPU and the programming device or PC with support from PRODAVE.