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ProSense Digital Panel Meter - How To Scale Inputs

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(VID-PS-0010)

In this how to video, we will cover how to scale an analog input in a ProSense digital panel meter.

I am currently using a DPM2 model with a 4 to 20ma signal from a pressure transmitter.

AutomationDirect's new ProSense line of digital panel meters offers a simple and cost-effective solution to display analog process, temperature, load cell, and potentiometer inputs. With all models, configuration parameters can be totally or selectively locked out to prevent unauthorized or accidental changes to the meter's operation. Two-point direct or reverse acting linear scaling values can be entered manually or by introducing actual sensed process values in Teach mode. Models feature IP65-rated meter faces and are available with 1/32 and 1/8 DIN housings to take up minimal panel space.

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In this HOW TO video, we will cover how to scale an analog input in a ProSense digital panel meter. I am currently using a DPM2 model with a 4 to 20ma signal from a pressure transmitter with a range of 0 to 100 psi. The pressure transmitter is connected to an air compressor that has a maximum pressure of 60psi. First we press Enter Pro for program. Enter and we get InP for input. Press the right arrow button and select dSP for display and press Enter and SCAL should display on the meter. Press Enter and InP1 for input one which we need to set for 04.00 for our 4ma input. Press Enter and now we see dSP1 for display one and then changes to 00.00. What this is saying is our 4ma input will display 0. This is where we want our lower end of the scale. Now we press Enter and we can change the decimal place. I move the decimal to the hundredths place and press Enter. Now InP2 displays briefly, and then we want to enter 20.00 showing our 20ma input. Press Enter and we see dSP2 for display 2 briefly, then 10.00 displays on the screen. This setup will scale our 4 to 20ma input to a 0 to 10.00 psi. If I press Enter it stores the setup. It did NOT give me a chance to change the decimal place on my display 2. The decimal place is setup only in display one and will reflect the same in display 2. If I turn on the air compressor, you can see that our scaling is off by 1 decimal place. Let's correct our error. Press Enter for program, and Enter again for InP for input. Right arrow for dSP or display, Enter for SCAL and Enter for input 1. Now after we press Enter and we now see 04.00. Press Enter for display 1 and we see 00.00. Here is where we need to correct our error. Press Enter and the decimal will blink and we can now use the right arrow key to move our decimal. We need to move our decimal to the tenths place. Now press Enter to accept the change and the meter will display Input 2 which is still at 20ma. I press Enter again for display 2 and now you can see we display 100 for our upper range of 100 psi. Now if I press enter, the setup is now stored and our correct reading should be displayed. It says I have 14.8psi. If I look on my air compressor, I have right at 15psi. As I increase the pressure to 60 PSI, the display is pretty close to the analog gauge that is on our compressor. I hope you found this video useful and follow us to our other How to videos on the ProSense Digital Panel Meters. Thanks and have a great day.