Rle FMS Bedienungsanleitung PDF herunterladen (Seite 16)

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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)

FMS Dwyer Temperature/Humidity Falcon Integration

Temperature Setup

Humidity Setup

1. 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 Dwyer 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%)

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

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

4-20mA" and enter the gain and offset values. For the -40 -

140F range use Gain 45, Offset -85.

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

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

3. For other temperature ranges, use the Calculator function on

the webpage

Example if Room Temp is 70F and your sensor has a range of -40 - 140

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

( (70 - -40) / (140 - -40)) x 16 + 4 = 13.77

-40 - 140 Degree F Range

VDC

TB 1

VDC

+ -

EXTERNAL

24VDC

+ +

Ch1

+ -

Ch2

+ -

Ch3

+ -

Ch4

+ -

TB 2 Inp ut 1-4

Ch5

+ -

Ch6

+ -

Ch7

+ -

TB 3 Input 5-8

Ch8

+ -

EXTERNAL

GND

- -

TB 4

NC NO C

RELAY 1

NC NO C

RELAY 2

Figure 16.1: Falcon Wiring with the Dwyer

Temperature/Humidity sensor

1 2 ... 11 12 13 14 15 16

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