Remote Maintenance of PLC’s The MGi196 GSM modem is designed specifically for the remote maintenance of PLC’s :
The call-back function allows you to make the call from the site of the PLC, reducing communication costs and guaranteeing security.
The RS232 and RS485 interfaces facilitate the MGi196’s use with the majority of PLC’s.
Furthermore, when used with SCHNEIDER ELECTRIC PLC’s, the «booster» option reduces the transfer time of a program threefold without affecting the security of the transmission.
   
Remote control
The MGi196 facilitates the creation of remote control systems when using PLCs:
The three call contacts allow you to simply establish communication and send programmable SMS text messages. The RS485 connection permits you to directly link the modem to the PLC.