At my workplace, we use a thermoformer with a PanelView Plus 7 touchscreen and a MicroLogix 1500 controller. Our oven is divided into zones with temperature ranges from 0-1500. I am looking to program the numeric input on the touchscreen to display values as percentages. Can I set it up so that, for instance, entering 750 would show as 50%? I'm unsure if this is achievable. Thank you for your help.
At my workplace, I recently upgraded the touchscreen on our thermoformer to a PanelView Plus 7, with a Micrologix 1500 controller. The oven has different temperature zones ranging from 0 to 1500. I am interested in programming the numeric input on the screen to represent values as percentages. For instance, typing in 750 would show as 50%. Is this feasible? I believe it is. By setting a percentage setpoint on the HMI and converting it in the PLC to Engineering Units, you can adjust the values as needed for your specific application. This conversion can be done by using a simple equation like Remote SP = (HMI setpoint/100) * 750, assuming a linear correlation between percentages and degrees. Depending on your PLC, you may also utilize a scaling block or function. If using a newer Micrologix 1500, consider employing the SCP function for this purpose.
By failing to consider OP's desired scaling and instead setting them up for potential integer rounding or truncation issues, this could lead to problems. It's important to avoid these errors at all costs. It is crucial for SCP to address and mitigate any potential rounding, truncation, or overflow problems to ensure a smooth and accurate process.
drbitboy pointed out potential integer rounding and truncation issues for OP, disregarding their preferred scaling. This situation is preferable to dealing with overflow. And by the way, who mentioned integers in the first place?
Robertmee questioned, "Who mentioned anything about an Integer?" It seems no one did, but isn't anyone talking about REAL? Regardless, I have corrected the error.
drbitboy mentioned that nobody has discussed REAL yet, but they have now fixed it. Click to expand to see points (iv) and (viii) below.
Yes, you can achieve this. You need to use a scaling function either in your PanelView Plus 7 or in your MicroLogix 1500. All you need to do is scale your input range (0-1500) to your desired display range (0-100). In this case, for instance, an input of 750 would indeed display as 50%. I recommend consulting your manual for the specifics of setting up scaling in your particular system. Numerical scaling is a commonly used feature and should definitely be available in your setup.
Yes, you can definitely set that up on your PanelView Plus 7! You can use a simple formula in the Numeric Input’s configuration to convert the input value to a percentage. Just take the value entered (like 750), divide it by the maximum temperature (in your case, 1500), and then multiply by 100. You would configure the display format to show the result as a percentage. This way, whenever someone inputs a value, it automatically updates the display to reflect the corresponding percentage, making it super user-friendly for your team. If you check the documentation for the PanelView, it should have detailed steps on setting up that kind of calculation!
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Answer: - Yes, it is possible to set up the numeric input on the touchscreen to display values as percentages.
Answer: - You can achieve this by setting up a formula or calculation in the programming of the touchscreen to convert the entered temperature values to percentages.
Answer: - Yes, you can program the touchscreen to display 750 as 50% by implementing the necessary logic in the PanelView Plus 7 configuration.
Answer: - You will need the appropriate programming software for PanelView Plus 7 and knowledge of the logic or scripting required to convert temperature values to percentages for display.
Answer: - It is important to consider factors such as data conversion, scaling, and user interface design to ensure accurate and user-friendly percentage display on the touchscreen.
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