EPC - sending e-mail notifications from Linux

This is an example on sending e-mail notifications from Linux machines. The example is based on the EPC function block, which requires a licence for advanced function blocks.

For basic e-mail notifications please refer to example 0202-10 on using the SMTP function block.

The execution of the external program is triggered by the EXEC input of the EPC function block. In this example the external program is a Python script located in /rex/data/email_notification.py (the cmd parameter of the EPC function block).

Timing of the project

The algorithm runs each 500 milliseconds (0.5 s). See the EXEC function block,
tick x ntick0 = 0.1 x 5 = 0.5

Prerequisites

• REXYGEN Runtime Core and AdvBlk modules must be installed and running on the target device.
• A valid licence for advanced function blocks is required.
• Configure e-mail settings in the .py file.
• Copy the .py file to /rex/data/ on the target device.

Running the example

• The *exec.mdl file is the project main file.
• Open it with REXYGEN Studio, compile and download it to the target device.
• Switch to Watch mode and observe the algorithm.
• Enable online monitoring of the EPC block (Target->Watch Selection).
• Change MP_TRIGGER:BSTATE to ON.
• Check your inbox for incoming e-mail notification.
• Run MP_TRIGGER:BSTATE again to send another e-mail.

Documentation

• Press F1 for help on the selected function block in the REXYGEN Studio.
• EPC function block documentation
• Function blocks of REXYGEN
• REXYGEN Studio User Guide
• Complete documentation of REXYGEN

Additional information

• Visit the REXYGEN webpage for more information about the example projects and developing advanced automation and control solutions using REXYGEN.