What is a GSM controller?
A GSM (Global System for Mobile Communications) controller is a PLC which uses a SIM card to communicate with the user.
Simple PLC example:

GSM controllers:
The simplymax range is available on EASI-Spare, they are suitable for text messages plans.
Simplymax GSM remote control relays
A relay with built-in GSM communication, enabling remote control via a mobile phone. Therefore, you can easily handle and monitor the status of devices outputs connected to the conductor’s inputs
Sending P1 text messages via controller: programmable by sending a text message with your mobile phone.

Simply max P1 | Simply maxP4 | Simply max P2 | Simply max P3 | |
Communication type | SMS | SMS | SMS and phone calls | SMS |
Programming mode | SMS | SMS | Software | SMS or software |
Controller programme | no | yes | no | no |
Number of mobile phones connected | 5 | 5 | 500 | 5 |
Applications | Remote control ON/OFF , Receiving alarm | Remote control ON/OFF , Receiving alarm | Gate opening and closing control via a phone call | Temperature control |
Number of TOR inputs | 2 | 4 | 1 | 1 |
Number of Analogue inputs | 2 | Temperature
|
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Number of outputs | 2 | 4 | 2 | 2 |
Programmable I3 IMO controllers + accessories
I3 IMO PLC feature a Human-Machine Interface. They are designed to solve substantial technological processes mangement problems. They are suitable for any type of industrial application. You can add the “GSM modem” feature to remotely control the process.
