Rle FMS Manual de usuario descargar pdf (Pagina 3)

SHEET: 3 OF 16

104 Racquette Drive

Fort Collins, CO 80524

(970) 484-6510 Phone

(970) 484-6650 Fax

www.rletech.com

FMS Sensor Wiring Guide

10061_FMS Rev 2.0 (8/13)

T-

T+

RH-

RH+

FMS to HEW3MSTA Integration

Figure 3.2: Temperature Setup

Figure 3.3: Humidity Setup

1. The temperature range is 50-95 degF

2. Wire the sensor as shown.

5. Verify the "Calc" Value displays the correct room temperature.

The temperature can also be viewed on the Falcon main page.

SETUP

1. Calculate the output current for temperature.

TROUBLESHOOTING

2. Measure the current flowing into the Falcon Ch- terminal with a

current meter. Verify that it is close to the calculated current

(+/-1%)

Example if Room Temp is 70F and your sensor has a range of 50-95

3. If measured current current does not match calculated current

then check wiring.

4. Compare the measured current matches the current reading in

the Falcon.

5. Check the wiring if the Falcon current reading does not match

the measured current reading.

6. If the Falcon current reading matches the measured current

and the Falcon calculated value does not match the room

temperature then the offset and gain values are wrong.

Double check the Gain and Offset values.

7. If the temperature displayed in the Falcon is 1 or 2 degrees

above or below the room temperature then adjust the offset by

1 or 2. Do not adjust the gain. Only tweak the offset once the

previous troubleshooting steps have been performed.

8. If the Falcon still does not display the correct temperature

contact RLE Technologies technical support at 970.484.6510.

9. Use similar troubleshooting procedure except use the

following formula to calculate the humidity mA output.

mA =

Room Humidity

100

x 16 + 4

VDC

TB 1

VDC

+ -

EXTERNAL

24VDC

+ +

Ch1

+ -

Ch2

+ -

Ch3

+ -

Ch4

+ -

TB 2 Inp ut 1-4

Ch5

+ -

Ch6

+ -

Ch7

+ -

TB 3 Inp ut 5-8

Ch8

+ -

EXTERNAL

GND

- -

TB 4

NC NO C

RELAY 1

NC NO C

RELAY 2

Figure 3.1: FMS Wiring with the HEW3MSTA

3. Configure the Falcon Input channel (temperature) for "Analog

4-20mA" and enter the Gain and Offset values. For the 50-95F

range use Gain 11.25, Offset 38.75.

4. Configure the Falcon Input Channel (humidity) for "Analog 4-

20mA" and enter the Gain of 25 and Offset of -25.

( (Actual temp - Sensor Low) / (Sensor High - Sensor Low)) x 16 + 4

( (70 - 50) / (95 - 50)) x 16 + 4 = 11.11

Formula for calculating the correct RAW value

50 – 95 Degree F Range

Humidity Signal . Temperature Signal .

1 2 3 4 5 6 7 8 ... 15 16

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