Tunnel – Using API to send SMS to external PLC devices connected to COM1 at the same time that the 4G-RS232 tunnel is active
Scenario details: From the central offices we need to access periodically via 4G the PLC serial port to send instructions and collect results. To access it we’ll use MTX-Tunnel as a 4G-RS232 gateway MTX-Tunnel must always have the IP session established to be able to access the PLC device at any moment. It will use […]
Tunnel – Using API to switch a relay from a third-party or end user webpage
Scenario details: We want to program a web page and switch 1 relay, to switch a lamp on/off. For that we will use MTX-4G-JAVA-IOT-STD-RL with internal relay An end user will open the web page and will switch the external lamps on/off with the click of a mouse. MTX-Tunnel has to communicate the webpage data […]
Tunnel – Using API to send data coming from a 3rd party webpage form and output serial port MTX-Tunnel
Scenario details: We have a special display/LCD with a serial RS232 input. The data present in the RS232 port is shown in the display We need to remotely control the LCD using the MTX-Tunnel GPRS-Serial tunnel We can control the LCD in several ways. We could develop a code for the server PC and use […]
Tunnel – API used for reading MTX-Tunnel GPIOs and ADCs from 3rd party site
Scenario details: Monitor the modem’s inputs remotely and present values in a 3rd-party web page MTX-Tunnel has to be permanently connected to GPRS in server mode, waiting for HTTP GET connections coming from this web page The end customer web page will be ASP language programmed and will collect all of the values and display them Solution: MTX-Tunnel […]