adccommunitymod (AutomationDirect) asked a question.
Created Date: December 27,2006
Created By: Aleks
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Hello. I have a stupid question. My problem consists in the following: on panel C-more I want to display the graph (trend) of change of temperature (Celsius) depending on time (hours). I.e. to display the graph (red line) of the set temperature (expected), and other line which is under construction during process (real temperature from the sensor, green line). And to display all process in some hours on the panel without scrolling. http://img216.imageshack.us/img216/8023/123pq0.jpg
Created Date: December 27,2006
Created by: Aleks
How can i do it?
Created Date: December 27,2006
Created by: Tom Jenkins
You need a trend. You can have multiple pens. I usually use a solid line for the actual value, and a dashed line for the setpoint. Create a tag for each value to trend matching the register in the PLC, and assign each tag to a pen on the trend properties box.
Created Date: December 28,2006
Created by: Aleks
I understood, that it is necessary to use a trend, but i don't understand how i can do it without scrolling. Can you help me? Can you'll make this example and send me on mail?
Created Date: December 28,2006
Created by: HMI PM
Scrolling is relevant to the sample rate that you have the trend set and the size of the screen that you will be using. If you are only sampling once per hour, and the trend is large enough to view 10 hours without scrolling, then your problem is solved.
The sample rate can be changed on the bottom of the Trend Object properties window.
Created Date: December 27,2006
Created by: Aleks
Hello. I have a stupid question. My problem consists in the following: on panel C-more I want to display the graph (trend) of change of temperature (Celsius) depending on time (hours). I.e. to display the graph (red line) of the set temperature (expected), and other line which is under construction during process (real temperature from the sensor, green line). And to display all process in some hours on the panel without scrolling.
http://img216.imageshack.us/img216/8023/123pq0.jpg