Orion-system Lead Controller Manual de usuario descargar pdf (Pagina 15)

Lead/Lag Controller Technical Guide

Section 4: Conﬁ guring Analog Inputs

Sensor Reading, Scaling, and Override Duration

Sensor Reading Appendix

Select from the drop down list in the <Sensor Reading Appendix>

ﬁ eld (Figure 13) to give the sensor reading a qualiﬁ er.

●

None: No Appendix Required

● RH%: Humidity Percentage

●

%: Percentage

●

°F: Fahrenheit

●

°C: Celsius

●

PPM: Parts per Million

●

PSI: Pound per Square Inch

●

“WG: Inches of Water Gauge

●

“: Inches

●

Ft.: Feet

●

RPM: Revolutions per Minute

●

VDC: Volts D.C.

●

BTU: British Thermal Unit

●

CFM: Cubic Feet per Minute

●

Hr: Hours

●

Min: Minutes

●

GPM: Gallons per Minute

●

kPa: Kilopascals

Sensor Scaling

Figure 13: Sensor Reading Appendix Field

Figure 14: Sensor Scaling Field

All readings are user-scalable according to the number of digits

to the right of the decimal point. See Figure 14 and values and

examples below.

●

X 1 65°F

● X 10 65.5°F

● X 100 65.54°F

● X 1000 65.543°F

Number of Readings to Average

This function has the capability of averaging up to 25 sensor readings

before it displays a new value on one of the Lead/Lag Controller

Status Screens. Sensor values are read once per second.

Type the number of readings from this sensor you want to aver-

age in the <Number of Readings to Average> ﬁ eld and press

<ENTER> to save. See Figure 15. Valid entries are from 1-25.

If you want the input sensor to only show its most current reading,

enter <1>.

Figure 15: Number of Readings to Average Field

User Scaling

The User Scaling Box allows you to set a Maximum and Minimum

Reading for the speciﬁ c 4-20 mA or 0-5 vdc sensor you are using.

This means you can display values with ± 1, ± 0.1, ± 0.1± 0.01 or

higher resolutions. Just keep in mind that the maximum value that

can be sent from the controller is ±30,000, so if you have scaled your

reading to ± 0.001, then the maximum value you can send is ± 30

with the 3 additional decimal values (30.000). See Figure 16. Type

in the values and press <ENTER> to save.

Figure 16: User Scaling Box

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 55 56

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Orion-system Lead Controller Manual de usuario Pagina 15

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