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Often, when wanting a notification about a process, it is just that, a notification. A simple email reporting a few process values at a given point in time. In a previous TechTip, we covered sending alarm emails from the Weintek HMI. We can adapt the same approach to send a reporting email too. As usual, I will step through building up a simple example project. First off, we need to set up the email details. Full details are in the alarm emails TechTip mentioned, previously: Next, we need to setup an Alarm/Event log: For this example, we’re going to trigger the event with a local bit, LB0: To add the variables we want to embed into our event, we use “WATCH”, select “1” and click “Settings”: In our example, we’re using local word LW0 as “WATCH1”: And LW 1 as “WATCH2”: For our demo application, we want to show Tank Temperatures : Tank 1: (value of LW 0 to 1 decimal place) °C Tank 1: (value of LW 1 to 2 decimal places) °C The syntax used to achieve this is as follows: Tank Temperatures : Tank 1: %(WATCH1)d.1°C Tank 2: %(WATCH2)d.2°C Next, we’re going to configure the email message: And then choose recipient group, give the email a subject and enter any opening and closing text required: A basic demo program is available to download here.
For more information on TechTip: Embedding Variables In a Weintek HMI Alarm/Event Log talk to Lamonde Automation Ltd