The SIMATIC S7-1200 PLCs is equipped with different communication mechanisms:
Integrated PROFINET IO Controller interface
Communication module with PROFIBUS DP master interface
Communication module with PROFIBUS DP slave interface
GPRS module for connection to GSM/G mobile phone networks
LTE module for communication in mobile phone networks of the fourth LTE generation (Long Term Evolution).
Communications processor for connection to TeleControl Server Basic control center software control center software via Ethernet, and for safe communication via IP-based networks.
Communications processor for connection to control centers for telecontrol applications.
RF120C for connection to SIMATIC Ident systems.
Module SM1278 for connecting IO-Link sensors and actuators.
Point-to-point connection via communication modules.